./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/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_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/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_fd10c2a4-5f9b-402c-9062-7822406a030b/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 4934f434020ea5812d4fa6d4f597788b669b23a9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:22:07,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:07,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:07,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:07,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:07,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:07,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:07,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:07,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:07,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:07,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:07,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:07,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:07,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:07,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:07,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:07,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:07,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:07,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:07,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:07,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:07,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:07,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:07,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:07,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:07,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:07,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:07,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:07,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:07,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:07,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:07,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:07,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:07,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:07,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:07,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:07,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:07,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:07,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:07,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:07,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:07,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:22:07,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:07,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:07,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:07,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:07,239 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:07,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:07,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:07,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:22:07,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:07,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:07,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:07,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:07,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:07,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:07,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:07,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:07,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:07,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:07,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:07,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:07,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:07,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:07,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:07,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:07,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:22:07,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:22:07,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:07,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:07,246 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_fd10c2a4-5f9b-402c-9062-7822406a030b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4934f434020ea5812d4fa6d4f597788b669b23a9 [2021-10-11 00:22:07,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:07,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:07,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:07,532 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:07,533 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:07,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-11 00:22:07,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/data/8ba112297/b29d0424165045fe90eb41305473f7b6/FLAG05c885241 [2021-10-11 00:22:08,175 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:08,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-11 00:22:08,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/data/8ba112297/b29d0424165045fe90eb41305473f7b6/FLAG05c885241 [2021-10-11 00:22:08,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/data/8ba112297/b29d0424165045fe90eb41305473f7b6 [2021-10-11 00:22:08,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:08,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:08,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:08,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:08,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:08,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:08" (1/1) ... [2021-10-11 00:22:08,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a21d080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:08, skipping insertion in model container [2021-10-11 00:22:08,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:08" (1/1) ... [2021-10-11 00:22:08,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:08,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:08,864 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_fd10c2a4-5f9b-402c-9062-7822406a030b/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[14694,14707] [2021-10-11 00:22:08,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:08,901 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:08,978 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_fd10c2a4-5f9b-402c-9062-7822406a030b/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[14694,14707] [2021-10-11 00:22:09,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:09,054 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:09,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09 WrapperNode [2021-10-11 00:22:09,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:09,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:09,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:09,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:09,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:09,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:09,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:09,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:09,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... [2021-10-11 00:22:09,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:09,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:09,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:09,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:09,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/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 00:22:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:22:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:10,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:10,802 INFO L299 CfgBuilder]: Removed 352 assume(true) statements. [2021-10-11 00:22:10,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:10 BoogieIcfgContainer [2021-10-11 00:22:10,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:10,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:10,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:10,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:10,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:08" (1/3) ... [2021-10-11 00:22:10,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191e0c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:10, skipping insertion in model container [2021-10-11 00:22:10,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:09" (2/3) ... [2021-10-11 00:22:10,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191e0c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:10, skipping insertion in model container [2021-10-11 00:22:10,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:10" (3/3) ... [2021-10-11 00:22:10,821 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2021-10-11 00:22:10,846 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:10,850 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:22:10,863 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:22:10,900 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:10,901 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:10,901 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:10,901 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:10,901 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:10,901 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:10,901 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:10,901 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2021-10-11 00:22:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:22:10,944 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:10,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:10,945 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:10,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:10,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1634761723, now seen corresponding path program 1 times [2021-10-11 00:22:10,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:10,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547925215] [2021-10-11 00:22:10,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:11,221 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 00:22:11,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547925215] [2021-10-11 00:22:11,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:11,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:11,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089151735] [2021-10-11 00:22:11,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:22:11,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:11,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:22:11,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:11,247 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2021-10-11 00:22:11,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:11,303 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2021-10-11 00:22:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:11,304 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:22:11,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:11,318 INFO L225 Difference]: With dead ends: 448 [2021-10-11 00:22:11,318 INFO L226 Difference]: Without dead ends: 223 [2021-10-11 00:22:11,322 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 00:22:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-10-11 00:22:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2021-10-11 00:22:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2021-10-11 00:22:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2021-10-11 00:22:11,375 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2021-10-11 00:22:11,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:11,376 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2021-10-11 00:22:11,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:22:11,376 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2021-10-11 00:22:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:22:11,377 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:11,378 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 00:22:11,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:22:11,378 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:11,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:11,379 INFO L82 PathProgramCache]: Analyzing trace with hash 588004826, now seen corresponding path program 1 times [2021-10-11 00:22:11,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:11,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17929433] [2021-10-11 00:22:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:11,470 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 00:22:11,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17929433] [2021-10-11 00:22:11,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:11,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:22:11,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39889905] [2021-10-11 00:22:11,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:11,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:11,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:11,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:11,474 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2021-10-11 00:22:11,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:11,504 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2021-10-11 00:22:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:11,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:22:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:11,512 INFO L225 Difference]: With dead ends: 223 [2021-10-11 00:22:11,512 INFO L226 Difference]: Without dead ends: 85 [2021-10-11 00:22:11,515 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 00:22:11,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-11 00:22:11,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-11 00:22:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-10-11 00:22:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2021-10-11 00:22:11,525 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2021-10-11 00:22:11,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:11,525 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2021-10-11 00:22:11,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2021-10-11 00:22:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:22:11,526 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:11,526 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 00:22:11,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:22:11,527 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:11,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:11,528 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2021-10-11 00:22:11,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:11,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592988304] [2021-10-11 00:22:11,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:11,695 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 00:22:11,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592988304] [2021-10-11 00:22:11,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:11,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:11,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464737915] [2021-10-11 00:22:11,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:22:11,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:11,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:22:11,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:22:11,703 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 6 states. [2021-10-11 00:22:11,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:11,965 INFO L93 Difference]: Finished difference Result 266 states and 394 transitions. [2021-10-11 00:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:22:11,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-10-11 00:22:11,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:11,970 INFO L225 Difference]: With dead ends: 266 [2021-10-11 00:22:11,970 INFO L226 Difference]: Without dead ends: 187 [2021-10-11 00:22:11,972 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 00:22:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-11 00:22:11,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 104. [2021-10-11 00:22:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-10-11 00:22:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2021-10-11 00:22:11,996 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 22 [2021-10-11 00:22:11,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:11,997 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2021-10-11 00:22:11,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:22:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2021-10-11 00:22:11,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:22:11,998 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:11,998 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 00:22:11,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:22:11,999 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:11,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:11,999 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2021-10-11 00:22:12,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:12,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933997718] [2021-10-11 00:22:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:12,055 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 00:22:12,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933997718] [2021-10-11 00:22:12,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:12,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:12,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030059505] [2021-10-11 00:22:12,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:12,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:12,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:12,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:12,057 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand 3 states. [2021-10-11 00:22:12,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:12,105 INFO L93 Difference]: Finished difference Result 208 states and 308 transitions. [2021-10-11 00:22:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:12,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 00:22:12,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:12,107 INFO L225 Difference]: With dead ends: 208 [2021-10-11 00:22:12,107 INFO L226 Difference]: Without dead ends: 110 [2021-10-11 00:22:12,108 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 00:22:12,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-11 00:22:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2021-10-11 00:22:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 00:22:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2021-10-11 00:22:12,119 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 25 [2021-10-11 00:22:12,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:12,119 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-10-11 00:22:12,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2021-10-11 00:22:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:22:12,120 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:12,121 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 00:22:12,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:22:12,121 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:12,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:12,122 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2021-10-11 00:22:12,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:12,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739496017] [2021-10-11 00:22:12,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:12,232 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 00:22:12,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739496017] [2021-10-11 00:22:12,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:12,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:22:12,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796449151] [2021-10-11 00:22:12,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:22:12,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:12,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:22:12,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:22:12,238 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 8 states. [2021-10-11 00:22:12,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:12,730 INFO L93 Difference]: Finished difference Result 706 states and 1021 transitions. [2021-10-11 00:22:12,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:22:12,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2021-10-11 00:22:12,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:12,735 INFO L225 Difference]: With dead ends: 706 [2021-10-11 00:22:12,735 INFO L226 Difference]: Without dead ends: 604 [2021-10-11 00:22:12,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:22:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-10-11 00:22:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 262. [2021-10-11 00:22:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-10-11 00:22:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions. [2021-10-11 00:22:12,800 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 25 [2021-10-11 00:22:12,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:12,801 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 365 transitions. [2021-10-11 00:22:12,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:22:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2021-10-11 00:22:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-11 00:22:12,804 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:12,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:12,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:22:12,805 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:12,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2068693080, now seen corresponding path program 1 times [2021-10-11 00:22:12,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:12,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339435281] [2021-10-11 00:22:12,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:12,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339435281] [2021-10-11 00:22:12,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265608430] [2021-10-11 00:22:12,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/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 00:22:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:13,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:22:13,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:13,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:22:13,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:22:13,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923762014] [2021-10-11 00:22:13,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:22:13,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:13,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:22:13,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:13,148 INFO L87 Difference]: Start difference. First operand 262 states and 365 transitions. Second operand 4 states. [2021-10-11 00:22:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:13,320 INFO L93 Difference]: Finished difference Result 587 states and 831 transitions. [2021-10-11 00:22:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:22:13,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2021-10-11 00:22:13,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:13,324 INFO L225 Difference]: With dead ends: 587 [2021-10-11 00:22:13,324 INFO L226 Difference]: Without dead ends: 394 [2021-10-11 00:22:13,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 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 00:22:13,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-10-11 00:22:13,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 381. [2021-10-11 00:22:13,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2021-10-11 00:22:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 536 transitions. [2021-10-11 00:22:13,373 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 536 transitions. Word has length 40 [2021-10-11 00:22:13,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:13,373 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 536 transitions. [2021-10-11 00:22:13,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:22:13,373 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 536 transitions. [2021-10-11 00:22:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 00:22:13,381 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:13,387 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] [2021-10-11 00:22:13,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:22:13,602 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:13,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:13,603 INFO L82 PathProgramCache]: Analyzing trace with hash 209509055, now seen corresponding path program 1 times [2021-10-11 00:22:13,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:13,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467609394] [2021-10-11 00:22:13,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:13,708 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 00:22:13,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467609394] [2021-10-11 00:22:13,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:13,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:13,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149586882] [2021-10-11 00:22:13,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:13,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:13,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:13,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:13,714 INFO L87 Difference]: Start difference. First operand 381 states and 536 transitions. Second operand 5 states. [2021-10-11 00:22:13,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:13,860 INFO L93 Difference]: Finished difference Result 1148 states and 1602 transitions. [2021-10-11 00:22:13,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:22:13,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-10-11 00:22:13,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:13,868 INFO L225 Difference]: With dead ends: 1148 [2021-10-11 00:22:13,868 INFO L226 Difference]: Without dead ends: 773 [2021-10-11 00:22:13,870 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 00:22:13,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2021-10-11 00:22:13,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 411. [2021-10-11 00:22:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2021-10-11 00:22:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 566 transitions. [2021-10-11 00:22:13,912 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 566 transitions. Word has length 52 [2021-10-11 00:22:13,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:13,913 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 566 transitions. [2021-10-11 00:22:13,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 566 transitions. [2021-10-11 00:22:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 00:22:13,914 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:13,914 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] [2021-10-11 00:22:13,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:22:13,915 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:13,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:13,915 INFO L82 PathProgramCache]: Analyzing trace with hash 911108929, now seen corresponding path program 1 times [2021-10-11 00:22:13,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:13,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901979746] [2021-10-11 00:22:13,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:14,026 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 00:22:14,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901979746] [2021-10-11 00:22:14,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:14,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:22:14,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084080585] [2021-10-11 00:22:14,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:22:14,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:14,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:22:14,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:22:14,030 INFO L87 Difference]: Start difference. First operand 411 states and 566 transitions. Second operand 4 states. [2021-10-11 00:22:14,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:14,137 INFO L93 Difference]: Finished difference Result 930 states and 1285 transitions. [2021-10-11 00:22:14,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:22:14,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2021-10-11 00:22:14,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:14,141 INFO L225 Difference]: With dead ends: 930 [2021-10-11 00:22:14,142 INFO L226 Difference]: Without dead ends: 525 [2021-10-11 00:22:14,143 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 00:22:14,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2021-10-11 00:22:14,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 353. [2021-10-11 00:22:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2021-10-11 00:22:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 480 transitions. [2021-10-11 00:22:14,179 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 480 transitions. Word has length 52 [2021-10-11 00:22:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:14,180 INFO L481 AbstractCegarLoop]: Abstraction has 353 states and 480 transitions. [2021-10-11 00:22:14,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:22:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 480 transitions. [2021-10-11 00:22:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 00:22:14,182 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:14,182 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] [2021-10-11 00:22:14,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:22:14,183 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:14,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1784686399, now seen corresponding path program 1 times [2021-10-11 00:22:14,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:14,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645190593] [2021-10-11 00:22:14,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:22:14,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645190593] [2021-10-11 00:22:14,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:14,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:14,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396374409] [2021-10-11 00:22:14,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:22:14,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:14,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:22:14,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:22:14,293 INFO L87 Difference]: Start difference. First operand 353 states and 480 transitions. Second operand 6 states. [2021-10-11 00:22:14,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:14,630 INFO L93 Difference]: Finished difference Result 1951 states and 2700 transitions. [2021-10-11 00:22:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:22:14,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2021-10-11 00:22:14,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:14,642 INFO L225 Difference]: With dead ends: 1951 [2021-10-11 00:22:14,643 INFO L226 Difference]: Without dead ends: 1604 [2021-10-11 00:22:14,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:22:14,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2021-10-11 00:22:14,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 698. [2021-10-11 00:22:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2021-10-11 00:22:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 937 transitions. [2021-10-11 00:22:14,734 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 937 transitions. Word has length 53 [2021-10-11 00:22:14,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:14,734 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 937 transitions. [2021-10-11 00:22:14,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:22:14,735 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 937 transitions. [2021-10-11 00:22:14,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:22:14,738 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:14,739 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:14,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:22:14,741 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:14,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:14,742 INFO L82 PathProgramCache]: Analyzing trace with hash -836550009, now seen corresponding path program 1 times [2021-10-11 00:22:14,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:14,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500902295] [2021-10-11 00:22:14,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:22:14,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500902295] [2021-10-11 00:22:14,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:14,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:14,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956611368] [2021-10-11 00:22:14,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:14,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:14,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:14,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:14,830 INFO L87 Difference]: Start difference. First operand 698 states and 937 transitions. Second operand 5 states. [2021-10-11 00:22:15,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:15,163 INFO L93 Difference]: Finished difference Result 1896 states and 2544 transitions. [2021-10-11 00:22:15,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:22:15,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 00:22:15,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:15,176 INFO L225 Difference]: With dead ends: 1896 [2021-10-11 00:22:15,176 INFO L226 Difference]: Without dead ends: 1894 [2021-10-11 00:22:15,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 00:22:15,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2021-10-11 00:22:15,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 698. [2021-10-11 00:22:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2021-10-11 00:22:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 927 transitions. [2021-10-11 00:22:15,266 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 927 transitions. Word has length 54 [2021-10-11 00:22:15,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:15,266 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 927 transitions. [2021-10-11 00:22:15,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 927 transitions. [2021-10-11 00:22:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-11 00:22:15,268 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:15,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:15,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:22:15,268 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:15,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:15,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1139010814, now seen corresponding path program 1 times [2021-10-11 00:22:15,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:15,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765381746] [2021-10-11 00:22:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:15,394 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 00:22:15,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765381746] [2021-10-11 00:22:15,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961752064] [2021-10-11 00:22:15,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:22:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:15,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:22:15,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:15,678 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 00:22:15,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:22:15,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-11 00:22:15,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462630676] [2021-10-11 00:22:15,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:22:15,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:15,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:22:15,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:22:15,681 INFO L87 Difference]: Start difference. First operand 698 states and 927 transitions. Second operand 6 states. [2021-10-11 00:22:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:16,004 INFO L93 Difference]: Finished difference Result 1610 states and 2133 transitions. [2021-10-11 00:22:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:22:16,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2021-10-11 00:22:16,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:16,010 INFO L225 Difference]: With dead ends: 1610 [2021-10-11 00:22:16,010 INFO L226 Difference]: Without dead ends: 1004 [2021-10-11 00:22:16,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 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 00:22:16,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-10-11 00:22:16,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 622. [2021-10-11 00:22:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2021-10-11 00:22:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 814 transitions. [2021-10-11 00:22:16,079 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 814 transitions. Word has length 60 [2021-10-11 00:22:16,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:16,079 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 814 transitions. [2021-10-11 00:22:16,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:22:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 814 transitions. [2021-10-11 00:22:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-11 00:22:16,081 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:16,081 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, 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] [2021-10-11 00:22:16,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:22:16,294 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:16,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:16,295 INFO L82 PathProgramCache]: Analyzing trace with hash 444677923, now seen corresponding path program 2 times [2021-10-11 00:22:16,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:16,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109046456] [2021-10-11 00:22:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:16,428 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:22:16,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109046456] [2021-10-11 00:22:16,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:16,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:16,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120172943] [2021-10-11 00:22:16,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:16,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:16,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:16,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:16,430 INFO L87 Difference]: Start difference. First operand 622 states and 814 transitions. Second operand 5 states. [2021-10-11 00:22:16,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:16,800 INFO L93 Difference]: Finished difference Result 1880 states and 2484 transitions. [2021-10-11 00:22:16,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:22:16,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2021-10-11 00:22:16,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:16,808 INFO L225 Difference]: With dead ends: 1880 [2021-10-11 00:22:16,808 INFO L226 Difference]: Without dead ends: 1348 [2021-10-11 00:22:16,810 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 00:22:16,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2021-10-11 00:22:16,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 854. [2021-10-11 00:22:16,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2021-10-11 00:22:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1113 transitions. [2021-10-11 00:22:16,920 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1113 transitions. Word has length 85 [2021-10-11 00:22:16,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:16,921 INFO L481 AbstractCegarLoop]: Abstraction has 854 states and 1113 transitions. [2021-10-11 00:22:16,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1113 transitions. [2021-10-11 00:22:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-11 00:22:16,923 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:16,923 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:16,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:22:16,923 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:16,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:16,924 INFO L82 PathProgramCache]: Analyzing trace with hash 50311137, now seen corresponding path program 1 times [2021-10-11 00:22:16,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:16,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922417199] [2021-10-11 00:22:16,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 00:22:17,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922417199] [2021-10-11 00:22:17,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:17,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:22:17,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929057092] [2021-10-11 00:22:17,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:22:17,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:17,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:22:17,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:22:17,009 INFO L87 Difference]: Start difference. First operand 854 states and 1113 transitions. Second operand 7 states. [2021-10-11 00:22:17,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:17,255 INFO L93 Difference]: Finished difference Result 1780 states and 2314 transitions. [2021-10-11 00:22:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:22:17,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2021-10-11 00:22:17,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:17,257 INFO L225 Difference]: With dead ends: 1780 [2021-10-11 00:22:17,257 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:22:17,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:22:17,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:22:17,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:22:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:22:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:22:17,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-10-11 00:22:17,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:17,263 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:17,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:22:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:22:17,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:22:17,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:22:17,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:22:17,735 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 152 [2021-10-11 00:22:17,995 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 136 [2021-10-11 00:22:19,055 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 395 DAG size of output: 293 [2021-10-11 00:22:19,716 WARN L197 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 271 [2021-10-11 00:22:19,886 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 169 [2021-10-11 00:22:20,477 WARN L197 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 270 [2021-10-11 00:22:20,746 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 200 [2021-10-11 00:22:20,879 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 132 [2021-10-11 00:22:21,457 WARN L197 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 275 [2021-10-11 00:22:21,827 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 255 [2021-10-11 00:22:22,261 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 271 [2021-10-11 00:22:22,531 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 21 [2021-10-11 00:22:22,775 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 20 [2021-10-11 00:22:23,441 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2021-10-11 00:22:23,729 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2021-10-11 00:22:23,889 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 16 [2021-10-11 00:22:24,479 WARN L197 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 27 [2021-10-11 00:22:26,014 WARN L197 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 277 DAG size of output: 34 [2021-10-11 00:22:27,117 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 262 DAG size of output: 27 [2021-10-11 00:22:27,751 WARN L197 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 32 [2021-10-11 00:22:28,929 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 260 DAG size of output: 28 [2021-10-11 00:22:29,560 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 24 [2021-10-11 00:22:29,986 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 33 [2021-10-11 00:22:31,346 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 267 DAG size of output: 27 [2021-10-11 00:22:31,484 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 21 [2021-10-11 00:22:31,608 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2021-10-11 00:22:32,626 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 248 DAG size of output: 36 [2021-10-11 00:22:32,759 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 20 [2021-10-11 00:22:34,011 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 260 DAG size of output: 36 [2021-10-11 00:22:34,135 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 21 [2021-10-11 00:22:34,245 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 16 [2021-10-11 00:22:34,252 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 688) no Hoare annotation was computed. [2021-10-11 00:22:34,252 INFO L262 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2021-10-11 00:22:34,252 INFO L265 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2021-10-11 00:22:34,252 INFO L262 CegarLoopResult]: For program point L962(lines 961 1008) no Hoare annotation was computed. [2021-10-11 00:22:34,252 INFO L262 CegarLoopResult]: For program point L963(lines 963 967) no Hoare annotation was computed. [2021-10-11 00:22:34,252 INFO L262 CegarLoopResult]: For program point L765(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:22:34,252 INFO L262 CegarLoopResult]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:22:34,252 INFO L262 CegarLoopResult]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:22:34,252 INFO L262 CegarLoopResult]: For program point L765-3(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:22:34,253 INFO L262 CegarLoopResult]: For program point L765-4(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:22:34,253 INFO L262 CegarLoopResult]: For program point L765-5(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:22:34,253 INFO L258 CegarLoopResult]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~3 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse2) (and .cse3 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-10-11 00:22:34,253 INFO L262 CegarLoopResult]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2021-10-11 00:22:34,253 INFO L258 CegarLoopResult]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2021-10-11 00:22:34,253 INFO L258 CegarLoopResult]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2021-10-11 00:22:34,253 INFO L265 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2021-10-11 00:22:34,254 INFO L262 CegarLoopResult]: For program point L971(lines 971 977) no Hoare annotation was computed. [2021-10-11 00:22:34,254 INFO L258 CegarLoopResult]: At program point L971-1(lines 971 977) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse7 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse7 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse4) (and .cse5 (= ~methaneLevelCritical~0 0) .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4))) [2021-10-11 00:22:34,254 INFO L262 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,254 INFO L262 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,254 INFO L262 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,254 INFO L262 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,255 INFO L262 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,255 INFO L262 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,255 INFO L262 CegarLoopResult]: For program point L906-9(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,255 INFO L262 CegarLoopResult]: For program point L906-11(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,255 INFO L262 CegarLoopResult]: For program point L906-12(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,255 INFO L262 CegarLoopResult]: For program point L906-14(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,255 INFO L262 CegarLoopResult]: For program point L906-15(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,256 INFO L262 CegarLoopResult]: For program point L906-17(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,256 INFO L262 CegarLoopResult]: For program point L906-18(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,256 INFO L262 CegarLoopResult]: For program point L906-20(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,256 INFO L262 CegarLoopResult]: For program point L906-21(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,256 INFO L262 CegarLoopResult]: For program point L906-23(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,256 INFO L262 CegarLoopResult]: For program point L906-24(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,256 INFO L262 CegarLoopResult]: For program point L906-26(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,256 INFO L262 CegarLoopResult]: For program point L906-27(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,257 INFO L262 CegarLoopResult]: For program point L906-29(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,257 INFO L262 CegarLoopResult]: For program point L906-30(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,257 INFO L262 CegarLoopResult]: For program point L906-32(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,257 INFO L262 CegarLoopResult]: For program point L906-33(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,257 INFO L262 CegarLoopResult]: For program point L906-35(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:22:34,257 INFO L258 CegarLoopResult]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse4 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2021-10-11 00:22:34,258 INFO L258 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2021-10-11 00:22:34,258 INFO L258 CegarLoopResult]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2021-10-11 00:22:34,258 INFO L258 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,258 INFO L258 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 1) .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse5))) [2021-10-11 00:22:34,258 INFO L258 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,258 INFO L258 CegarLoopResult]: At program point L912-3(lines 897 915) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 1) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4))) [2021-10-11 00:22:34,259 INFO L258 CegarLoopResult]: At program point L912-4(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,259 INFO L258 CegarLoopResult]: At program point L912-5(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,259 INFO L258 CegarLoopResult]: At program point L912-6(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,259 INFO L258 CegarLoopResult]: At program point L912-7(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,259 INFO L258 CegarLoopResult]: At program point L912-8(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,259 INFO L258 CegarLoopResult]: At program point L912-9(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,259 INFO L258 CegarLoopResult]: At program point L912-10(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,260 INFO L258 CegarLoopResult]: At program point L912-11(lines 897 915) the Hoare annotation is: false [2021-10-11 00:22:34,260 INFO L258 CegarLoopResult]: At program point L848(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,260 INFO L258 CegarLoopResult]: At program point L848-1(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,260 INFO L258 CegarLoopResult]: At program point L848-2(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment_~tmp~7 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,260 INFO L258 CegarLoopResult]: At program point L848-3(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,260 INFO L258 CegarLoopResult]: At program point L848-4(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,261 INFO L258 CegarLoopResult]: At program point L848-5(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,261 INFO L258 CegarLoopResult]: At program point L848-6(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,261 INFO L258 CegarLoopResult]: At program point L848-7(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,261 INFO L258 CegarLoopResult]: At program point L848-8(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,261 INFO L258 CegarLoopResult]: At program point L848-9(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,261 INFO L258 CegarLoopResult]: At program point L848-10(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,261 INFO L258 CegarLoopResult]: At program point L848-11(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,262 INFO L258 CegarLoopResult]: At program point L848-12(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,262 INFO L258 CegarLoopResult]: At program point L848-13(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,262 INFO L258 CegarLoopResult]: At program point L848-14(lines 841 851) the Hoare annotation is: false [2021-10-11 00:22:34,262 INFO L262 CegarLoopResult]: For program point L981(lines 981 987) no Hoare annotation was computed. [2021-10-11 00:22:34,262 INFO L258 CegarLoopResult]: At program point L981-1(lines 981 987) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse7 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse5 .cse6 .cse3 .cse7 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4))) [2021-10-11 00:22:34,262 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:22:34,263 INFO L262 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2021-10-11 00:22:34,263 INFO L262 CegarLoopResult]: For program point L587-3(lines 587 591) no Hoare annotation was computed. [2021-10-11 00:22:34,263 INFO L262 CegarLoopResult]: For program point L587-6(lines 587 591) no Hoare annotation was computed. [2021-10-11 00:22:34,263 INFO L262 CegarLoopResult]: For program point L787(lines 787 804) no Hoare annotation was computed. [2021-10-11 00:22:34,263 INFO L262 CegarLoopResult]: For program point L787-1(lines 787 804) no Hoare annotation was computed. [2021-10-11 00:22:34,263 INFO L262 CegarLoopResult]: For program point L787-2(lines 787 804) no Hoare annotation was computed. [2021-10-11 00:22:34,263 INFO L258 CegarLoopResult]: At program point L656(lines 651 659) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2021-10-11 00:22:34,264 INFO L258 CegarLoopResult]: At program point L656-1(lines 651 659) the Hoare annotation is: false [2021-10-11 00:22:34,264 INFO L258 CegarLoopResult]: At program point L656-2(lines 651 659) the Hoare annotation is: false [2021-10-11 00:22:34,264 INFO L258 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: false [2021-10-11 00:22:34,264 INFO L258 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2021-10-11 00:22:34,264 INFO L262 CegarLoopResult]: For program point L791(lines 791 799) no Hoare annotation was computed. [2021-10-11 00:22:34,264 INFO L258 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2021-10-11 00:22:34,264 INFO L262 CegarLoopResult]: For program point L791-1(lines 791 799) no Hoare annotation was computed. [2021-10-11 00:22:34,265 INFO L262 CegarLoopResult]: For program point L791-2(lines 791 799) no Hoare annotation was computed. [2021-10-11 00:22:34,265 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:22:34,265 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 688) no Hoare annotation was computed. [2021-10-11 00:22:34,265 INFO L262 CegarLoopResult]: For program point L991(lines 991 1004) no Hoare annotation was computed. [2021-10-11 00:22:34,265 INFO L262 CegarLoopResult]: For program point L925(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,265 INFO L262 CegarLoopResult]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,265 INFO L262 CegarLoopResult]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,265 INFO L262 CegarLoopResult]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,266 INFO L262 CegarLoopResult]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,266 INFO L262 CegarLoopResult]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,266 INFO L262 CegarLoopResult]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,266 INFO L262 CegarLoopResult]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,266 INFO L262 CegarLoopResult]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,266 INFO L262 CegarLoopResult]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,266 INFO L262 CegarLoopResult]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,267 INFO L262 CegarLoopResult]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2021-10-11 00:22:34,267 INFO L262 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,267 INFO L262 CegarLoopResult]: For program point L664-1(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,267 INFO L262 CegarLoopResult]: For program point L664-2(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,267 INFO L262 CegarLoopResult]: For program point L664-3(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,267 INFO L262 CegarLoopResult]: For program point L664-4(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,267 INFO L262 CegarLoopResult]: For program point L664-5(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,267 INFO L262 CegarLoopResult]: For program point L664-6(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,268 INFO L262 CegarLoopResult]: For program point L664-7(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,268 INFO L262 CegarLoopResult]: For program point L664-8(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,268 INFO L262 CegarLoopResult]: For program point L664-9(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,268 INFO L262 CegarLoopResult]: For program point L664-10(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,268 INFO L262 CegarLoopResult]: For program point L664-11(lines 664 670) no Hoare annotation was computed. [2021-10-11 00:22:34,268 INFO L262 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2021-10-11 00:22:34,268 INFO L258 CegarLoopResult]: At program point L534(lines 1 1016) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:22:34,269 INFO L262 CegarLoopResult]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2021-10-11 00:22:34,269 INFO L258 CegarLoopResult]: At program point L997-1(lines 703 709) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse4 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2021-10-11 00:22:34,269 INFO L258 CegarLoopResult]: At program point L931(lines 916 934) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 0) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_processEnvironment_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,269 INFO L258 CegarLoopResult]: At program point L931-1(lines 916 934) the Hoare annotation is: false [2021-10-11 00:22:34,269 INFO L258 CegarLoopResult]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2021-10-11 00:22:34,269 INFO L258 CegarLoopResult]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2021-10-11 00:22:34,270 INFO L258 CegarLoopResult]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2021-10-11 00:22:34,270 INFO L258 CegarLoopResult]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2021-10-11 00:22:34,270 INFO L262 CegarLoopResult]: For program point L735(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,270 INFO L262 CegarLoopResult]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,270 INFO L258 CegarLoopResult]: At program point L669(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,270 INFO L262 CegarLoopResult]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,270 INFO L258 CegarLoopResult]: At program point L669-1(lines 660 673) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse5))) [2021-10-11 00:22:34,271 INFO L262 CegarLoopResult]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,271 INFO L258 CegarLoopResult]: At program point L669-2(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,271 INFO L262 CegarLoopResult]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,271 INFO L258 CegarLoopResult]: At program point L669-3(lines 660 673) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4))) [2021-10-11 00:22:34,271 INFO L262 CegarLoopResult]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,271 INFO L258 CegarLoopResult]: At program point L669-4(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,271 INFO L262 CegarLoopResult]: For program point L735-6(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,272 INFO L258 CegarLoopResult]: At program point L669-5(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,272 INFO L262 CegarLoopResult]: For program point L735-7(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,272 INFO L258 CegarLoopResult]: At program point L471(lines 467 473) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,272 INFO L258 CegarLoopResult]: At program point L669-6(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,272 INFO L262 CegarLoopResult]: For program point L735-8(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,272 INFO L258 CegarLoopResult]: At program point L669-7(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,272 INFO L262 CegarLoopResult]: For program point L735-9(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,273 INFO L258 CegarLoopResult]: At program point L669-8(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,273 INFO L262 CegarLoopResult]: For program point L735-10(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,273 INFO L258 CegarLoopResult]: At program point L669-9(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,273 INFO L262 CegarLoopResult]: For program point L735-11(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:22:34,273 INFO L258 CegarLoopResult]: At program point L669-10(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,273 INFO L258 CegarLoopResult]: At program point L669-11(lines 660 673) the Hoare annotation is: false [2021-10-11 00:22:34,273 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 688) no Hoare annotation was computed. [2021-10-11 00:22:34,274 INFO L262 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,274 INFO L262 CegarLoopResult]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,274 INFO L262 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,274 INFO L262 CegarLoopResult]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,274 INFO L262 CegarLoopResult]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,274 INFO L262 CegarLoopResult]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,274 INFO L262 CegarLoopResult]: For program point L739-6(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,274 INFO L262 CegarLoopResult]: For program point L739-7(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,275 INFO L262 CegarLoopResult]: For program point L739-8(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,275 INFO L262 CegarLoopResult]: For program point L739-9(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,275 INFO L262 CegarLoopResult]: For program point L739-10(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,275 INFO L262 CegarLoopResult]: For program point L739-11(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:22:34,275 INFO L258 CegarLoopResult]: At program point L542(lines 537 545) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,275 INFO L262 CegarLoopResult]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-10-11 00:22:34,276 INFO L258 CegarLoopResult]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse2) (and (= ULTIMATE.start_main_~tmp~3 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-10-11 00:22:34,276 INFO L262 CegarLoopResult]: For program point L611(lines 611 615) no Hoare annotation was computed. [2021-10-11 00:22:34,276 INFO L258 CegarLoopResult]: At program point L1009(lines 960 1010) the Hoare annotation is: false [2021-10-11 00:22:34,276 INFO L258 CegarLoopResult]: At program point L679(lines 674 682) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_processEnvironment_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,276 INFO L258 CegarLoopResult]: At program point L679-1(lines 674 682) the Hoare annotation is: false [2021-10-11 00:22:34,276 INFO L258 CegarLoopResult]: At program point L679-2(lines 674 682) the Hoare annotation is: false [2021-10-11 00:22:34,276 INFO L258 CegarLoopResult]: At program point L679-3(lines 674 682) the Hoare annotation is: false [2021-10-11 00:22:34,277 INFO L258 CegarLoopResult]: At program point L679-4(lines 674 682) the Hoare annotation is: false [2021-10-11 00:22:34,277 INFO L258 CegarLoopResult]: At program point L679-5(lines 674 682) the Hoare annotation is: false [2021-10-11 00:22:34,277 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:22:34,277 INFO L258 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2021-10-11 00:22:34,277 INFO L262 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2021-10-11 00:22:34,277 INFO L262 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2021-10-11 00:22:34,277 INFO L262 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2021-10-11 00:22:34,278 INFO L262 CegarLoopResult]: For program point L688-2(line 688) no Hoare annotation was computed. [2021-10-11 00:22:34,278 INFO L262 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-11 00:22:34,278 INFO L262 CegarLoopResult]: For program point L424-1(lines 703 709) no Hoare annotation was computed. [2021-10-11 00:22:34,278 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:22:34,278 INFO L258 CegarLoopResult]: At program point L624(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,278 INFO L258 CegarLoopResult]: At program point L624-1(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,278 INFO L258 CegarLoopResult]: At program point L624-2(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment_~tmp~7 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,279 INFO L262 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:22:34,279 INFO L258 CegarLoopResult]: At program point L624-3(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,279 INFO L258 CegarLoopResult]: At program point L558-1(lines 1 1016) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) (.cse7 (= ULTIMATE.start_main_~tmp~3 1)) (.cse9 (not (= 0 ~systemActive~0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse0 (= ~methaneLevelCritical~0 0) .cse9 .cse1 .cse2 .cse3 .cse6) (and .cse7 .cse9 .cse8 .cse2 .cse4 .cse5 .cse6))) [2021-10-11 00:22:34,279 INFO L258 CegarLoopResult]: At program point L624-4(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:34,279 INFO L262 CegarLoopResult]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:22:34,279 INFO L258 CegarLoopResult]: At program point L624-5(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,280 INFO L258 CegarLoopResult]: At program point L558-3(lines 1 1016) the Hoare annotation is: false [2021-10-11 00:22:34,280 INFO L258 CegarLoopResult]: At program point L624-6(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,280 INFO L262 CegarLoopResult]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:22:34,280 INFO L258 CegarLoopResult]: At program point L624-7(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,280 INFO L258 CegarLoopResult]: At program point L558-5(lines 1 1016) the Hoare annotation is: false [2021-10-11 00:22:34,280 INFO L258 CegarLoopResult]: At program point L624-8(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,280 INFO L258 CegarLoopResult]: At program point L624-9(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,281 INFO L258 CegarLoopResult]: At program point L624-10(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,281 INFO L258 CegarLoopResult]: At program point L624-11(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,281 INFO L258 CegarLoopResult]: At program point L624-12(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,281 INFO L258 CegarLoopResult]: At program point L624-13(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,281 INFO L258 CegarLoopResult]: At program point L624-14(lines 619 627) the Hoare annotation is: false [2021-10-11 00:22:34,281 INFO L262 CegarLoopResult]: For program point L823(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,281 INFO L262 CegarLoopResult]: For program point L823-2(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,282 INFO L262 CegarLoopResult]: For program point L823-4(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,282 INFO L262 CegarLoopResult]: For program point L823-6(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,282 INFO L262 CegarLoopResult]: For program point L823-8(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,282 INFO L262 CegarLoopResult]: For program point L823-10(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,282 INFO L262 CegarLoopResult]: For program point L823-12(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,282 INFO L262 CegarLoopResult]: For program point L823-14(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,282 INFO L262 CegarLoopResult]: For program point L823-16(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,282 INFO L262 CegarLoopResult]: For program point L823-18(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,283 INFO L262 CegarLoopResult]: For program point L823-20(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,283 INFO L262 CegarLoopResult]: For program point L823-22(lines 823 829) no Hoare annotation was computed. [2021-10-11 00:22:34,283 INFO L262 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:22:34,283 INFO L262 CegarLoopResult]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:22:34,283 INFO L262 CegarLoopResult]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:22:34,283 INFO L262 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:22:34,283 INFO L262 CegarLoopResult]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:22:34,283 INFO L262 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:22:34,284 INFO L262 CegarLoopResult]: For program point L761-3(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:22:34,284 INFO L262 CegarLoopResult]: For program point L761-4(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:22:34,284 INFO L262 CegarLoopResult]: For program point L761-5(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:22:34,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:22:34 BoogieIcfgContainer [2021-10-11 00:22:34,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:22:34,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:22:34,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:22:34,318 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:22:34,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:10" (3/4) ... [2021-10-11 00:22:34,322 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:22:34,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:22:34,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:22:34,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:22:34,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:22:34,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:22:34,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:34,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:34,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2021-10-11 00:22:34,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel) && \result == 1 [2021-10-11 00:22:34,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) && \result == 1) [2021-10-11 00:22:34,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:22:34,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:22:34,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:22:34,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:22:34,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:22:34,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:22:34,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) [2021-10-11 00:22:34,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:34,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:34,399 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2021-10-11 00:22:34,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2021-10-11 00:22:34,402 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:22:34,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2021-10-11 00:22:34,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(tmp___0 == 0)) && tmp == 0) && !(\result == 0)) && !(0 == systemActive)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:22:34,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:34,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((tmp == 1 && tmp___0 == 0) && \result == 0) && tmp == 1) && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2021-10-11 00:22:34,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:34,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:34,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:34,545 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd10c2a4-5f9b-402c-9062-7822406a030b/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:22:34,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:22:34,547 INFO L168 Benchmark]: Toolchain (without parser) took 26076.12 ms. Allocated memory was 102.8 MB in the beginning and 484.4 MB in the end (delta: 381.7 MB). Free memory was 73.6 MB in the beginning and 296.8 MB in the end (delta: -223.2 MB). Peak memory consumption was 157.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:34,547 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:34,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.20 ms. Allocated memory is still 102.8 MB. Free memory was 73.4 MB in the beginning and 67.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:34,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.64 ms. Allocated memory is still 102.8 MB. Free memory was 67.7 MB in the beginning and 61.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:34,548 INFO L168 Benchmark]: Boogie Preprocessor took 99.95 ms. Allocated memory is still 102.8 MB. Free memory was 61.7 MB in the beginning and 57.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:34,549 INFO L168 Benchmark]: RCFGBuilder took 1538.57 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 57.6 MB in the beginning and 90.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:34,549 INFO L168 Benchmark]: TraceAbstraction took 23509.70 ms. Allocated memory was 123.7 MB in the beginning and 484.4 MB in the end (delta: 360.7 MB). Free memory was 89.3 MB in the beginning and 318.6 MB in the end (delta: -229.4 MB). Peak memory consumption was 292.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:34,550 INFO L168 Benchmark]: Witness Printer took 227.89 ms. Allocated memory is still 484.4 MB. Free memory was 318.6 MB in the beginning and 296.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:34,552 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 102.8 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 581.20 ms. Allocated memory is still 102.8 MB. Free memory was 73.4 MB in the beginning and 67.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.64 ms. Allocated memory is still 102.8 MB. Free memory was 67.7 MB in the beginning and 61.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.95 ms. Allocated memory is still 102.8 MB. Free memory was 61.7 MB in the beginning and 57.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1538.57 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 57.6 MB in the beginning and 90.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23509.70 ms. Allocated memory was 123.7 MB in the beginning and 484.4 MB in the end (delta: 360.7 MB). Free memory was 89.3 MB in the beginning and 318.6 MB in the end (delta: -229.4 MB). Peak memory consumption was 292.6 MB. Max. memory is 16.1 GB. * Witness Printer took 227.89 ms. Allocated memory is still 484.4 MB. Free memory was 318.6 MB in the beginning and 296.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 688]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 688]: 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: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((tmp == 1 && tmp___0 == 0) && \result == 0) && tmp == 1) && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(tmp___0 == 0)) && tmp == 0) && !(\result == 0)) && !(0 == systemActive)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) && \result == 1) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2152 SDtfs, 3639 SDslu, 4105 SDs, 0 SdLazy, 555 SolverSat, 121 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=854occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 3952 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 468 NumberOfFragments, 969 HoareAnnotationTreeSize, 92 FomulaSimplifications, 3270105 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 92 FomulaSimplificationsInter, 1983678 FormulaSimplificationTreeSizeReductionInter, 11.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 686 NumberOfCodeBlocks, 686 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 671 ConstructedInterpolants, 0 QuantifiedInterpolants, 63598 SizeOfPredicates, 3 NumberOfNonLiveVariables, 838 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/218 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...