./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.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_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/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_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/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_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/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 d3ca886cbb93ac9ab3a93e98b7567227967813c9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:34:09,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:34:09,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:34:09,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:34:09,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:34:09,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:34:09,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:34:09,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:34:09,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:34:09,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:34:09,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:34:09,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:34:09,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:34:09,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:34:09,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:34:09,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:34:09,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:34:09,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:34:09,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:34:09,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:34:09,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:34:09,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:34:09,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:34:09,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:34:09,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:34:09,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:34:09,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:34:09,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:34:09,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:34:09,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:34:09,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:34:09,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:34:09,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:34:09,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:34:09,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:34:09,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:34:09,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:34:09,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:34:09,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:34:09,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:34:09,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:34:09,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:34:09,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:34:09,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:34:09,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:34:09,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:34:09,357 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:34:09,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:34:09,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:34:09,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:34:09,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:34:09,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:34:09,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:34:09,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:34:09,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:34:09,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:34:09,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:34:09,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:34:09,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:34:09,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:34:09,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:34:09,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:34:09,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:34:09,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:34:09,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:34:09,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:34:09,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:34:09,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:34:09,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:34:09,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:34:09,363 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_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ca886cbb93ac9ab3a93e98b7567227967813c9 [2021-10-11 00:34:09,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:34:09,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:34:09,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:34:09,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:34:09,710 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:34:09,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-10-11 00:34:09,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/data/d1e2cac19/fe65586898ac4f75b190279d9d3d01f0/FLAGdd0b5418e [2021-10-11 00:34:10,264 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:34:10,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-10-11 00:34:10,277 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/data/d1e2cac19/fe65586898ac4f75b190279d9d3d01f0/FLAGdd0b5418e [2021-10-11 00:34:10,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/data/d1e2cac19/fe65586898ac4f75b190279d9d3d01f0 [2021-10-11 00:34:10,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:34:10,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:34:10,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:34:10,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:34:10,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:34:10,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:10" (1/1) ... [2021-10-11 00:34:10,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9aac4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:10, skipping insertion in model container [2021-10-11 00:34:10,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:10" (1/1) ... [2021-10-11 00:34:10,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:34:10,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:34:10,905 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_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[2917,2930] [2021-10-11 00:34:11,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:34:11,013 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:34:11,040 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_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[2917,2930] [2021-10-11 00:34:11,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:34:11,156 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:34:11,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11 WrapperNode [2021-10-11 00:34:11,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:34:11,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:34:11,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:34:11,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:34:11,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:34:11,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:34:11,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:34:11,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:34:11,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... [2021-10-11 00:34:11,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:34:11,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:34:11,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:34:11,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:34:11,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/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 00:34:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:34:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:34:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:34:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:34:12,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:34:12,651 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2021-10-11 00:34:12,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:12 BoogieIcfgContainer [2021-10-11 00:34:12,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:34:12,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:34:12,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:34:12,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:34:12,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:10" (1/3) ... [2021-10-11 00:34:12,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9f0b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:12, skipping insertion in model container [2021-10-11 00:34:12,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11" (2/3) ... [2021-10-11 00:34:12,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9f0b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:12, skipping insertion in model container [2021-10-11 00:34:12,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:12" (3/3) ... [2021-10-11 00:34:12,661 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2021-10-11 00:34:12,675 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:34:12,679 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:34:12,690 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:34:12,715 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:34:12,716 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:34:12,716 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:34:12,716 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:34:12,716 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:34:12,716 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:34:12,717 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:34:12,717 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:34:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2021-10-11 00:34:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:34:12,740 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:12,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:12,741 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:12,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:12,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2021-10-11 00:34:12,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:12,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989951667] [2021-10-11 00:34:12,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:12,979 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 00:34:12,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989951667] [2021-10-11 00:34:12,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:12,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:12,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530039381] [2021-10-11 00:34:12,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:34:12,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:12,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:34:12,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:34:13,001 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2021-10-11 00:34:13,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:13,035 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2021-10-11 00:34:13,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:34:13,036 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:34:13,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:13,048 INFO L225 Difference]: With dead ends: 275 [2021-10-11 00:34:13,048 INFO L226 Difference]: Without dead ends: 137 [2021-10-11 00:34:13,052 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 00:34:13,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-11 00:34:13,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-11 00:34:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2021-10-11 00:34:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2021-10-11 00:34:13,099 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2021-10-11 00:34:13,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:13,100 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2021-10-11 00:34:13,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:34:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2021-10-11 00:34:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:34:13,101 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:13,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:13,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:34:13,102 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:13,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:13,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2021-10-11 00:34:13,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:13,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577533589] [2021-10-11 00:34:13,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:13,253 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 00:34:13,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577533589] [2021-10-11 00:34:13,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:13,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:13,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558355771] [2021-10-11 00:34:13,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:13,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:13,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:13,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:13,278 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2021-10-11 00:34:13,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:13,304 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2021-10-11 00:34:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:13,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:34:13,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:13,311 INFO L225 Difference]: With dead ends: 137 [2021-10-11 00:34:13,311 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 00:34:13,313 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 00:34:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 00:34:13,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 00:34:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 00:34:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2021-10-11 00:34:13,326 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2021-10-11 00:34:13,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:13,327 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2021-10-11 00:34:13,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-10-11 00:34:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:34:13,328 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:13,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:13,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:34:13,328 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:13,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:13,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2021-10-11 00:34:13,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:13,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44858771] [2021-10-11 00:34:13,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:13,454 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 00:34:13,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44858771] [2021-10-11 00:34:13,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:13,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:13,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519477853] [2021-10-11 00:34:13,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:13,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:13,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:13,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:13,457 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2021-10-11 00:34:13,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:13,510 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2021-10-11 00:34:13,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:13,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:34:13,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:13,518 INFO L225 Difference]: With dead ends: 157 [2021-10-11 00:34:13,518 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 00:34:13,519 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 00:34:13,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 00:34:13,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2021-10-11 00:34:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 00:34:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2021-10-11 00:34:13,531 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2021-10-11 00:34:13,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:13,532 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2021-10-11 00:34:13,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2021-10-11 00:34:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:34:13,533 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:13,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:13,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:34:13,534 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:13,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:13,535 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2021-10-11 00:34:13,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:13,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050350183] [2021-10-11 00:34:13,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:13,598 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 00:34:13,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050350183] [2021-10-11 00:34:13,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:13,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:13,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895492918] [2021-10-11 00:34:13,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:13,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:13,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:13,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:13,605 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2021-10-11 00:34:13,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:13,670 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2021-10-11 00:34:13,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:13,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:34:13,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:13,672 INFO L225 Difference]: With dead ends: 242 [2021-10-11 00:34:13,673 INFO L226 Difference]: Without dead ends: 146 [2021-10-11 00:34:13,673 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 00:34:13,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-11 00:34:13,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2021-10-11 00:34:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-10-11 00:34:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2021-10-11 00:34:13,697 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2021-10-11 00:34:13,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:13,697 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2021-10-11 00:34:13,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2021-10-11 00:34:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:34:13,703 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:13,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:13,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:34:13,704 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:13,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:13,705 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2021-10-11 00:34:13,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:13,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803785540] [2021-10-11 00:34:13,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:13,847 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 00:34:13,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803785540] [2021-10-11 00:34:13,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:13,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:34:13,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263881686] [2021-10-11 00:34:13,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:13,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:13,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:13,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:13,849 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2021-10-11 00:34:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:13,988 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2021-10-11 00:34:13,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:34:13,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 00:34:13,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:13,993 INFO L225 Difference]: With dead ends: 756 [2021-10-11 00:34:13,993 INFO L226 Difference]: Without dead ends: 619 [2021-10-11 00:34:13,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:34:13,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-10-11 00:34:14,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2021-10-11 00:34:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2021-10-11 00:34:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2021-10-11 00:34:14,048 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2021-10-11 00:34:14,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:14,049 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2021-10-11 00:34:14,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2021-10-11 00:34:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 00:34:14,057 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:14,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:14,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:34:14,058 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:14,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:14,059 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2021-10-11 00:34:14,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:14,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783439510] [2021-10-11 00:34:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:14,145 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 00:34:14,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783439510] [2021-10-11 00:34:14,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:14,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:34:14,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562993293] [2021-10-11 00:34:14,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:14,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:14,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:14,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:14,148 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2021-10-11 00:34:14,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:14,313 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2021-10-11 00:34:14,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:34:14,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 00:34:14,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:14,320 INFO L225 Difference]: With dead ends: 1029 [2021-10-11 00:34:14,320 INFO L226 Difference]: Without dead ends: 769 [2021-10-11 00:34:14,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:34:14,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2021-10-11 00:34:14,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2021-10-11 00:34:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2021-10-11 00:34:14,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2021-10-11 00:34:14,359 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2021-10-11 00:34:14,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:14,363 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2021-10-11 00:34:14,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2021-10-11 00:34:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:34:14,369 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:14,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:14,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:34:14,370 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:14,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:14,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2021-10-11 00:34:14,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:14,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385766125] [2021-10-11 00:34:14,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:14,449 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 00:34:14,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385766125] [2021-10-11 00:34:14,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:14,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:34:14,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576201673] [2021-10-11 00:34:14,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:14,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:14,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:14,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:14,452 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 5 states. [2021-10-11 00:34:14,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:14,629 INFO L93 Difference]: Finished difference Result 1031 states and 1462 transitions. [2021-10-11 00:34:14,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:34:14,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 00:34:14,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:14,638 INFO L225 Difference]: With dead ends: 1031 [2021-10-11 00:34:14,638 INFO L226 Difference]: Without dead ends: 773 [2021-10-11 00:34:14,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 00:34:14,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2021-10-11 00:34:14,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 281. [2021-10-11 00:34:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2021-10-11 00:34:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2021-10-11 00:34:14,675 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2021-10-11 00:34:14,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:14,675 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2021-10-11 00:34:14,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2021-10-11 00:34:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:34:14,677 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:14,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:14,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:34:14,677 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:14,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:14,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2021-10-11 00:34:14,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:14,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074745502] [2021-10-11 00:34:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:14,746 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 00:34:14,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074745502] [2021-10-11 00:34:14,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:14,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:34:14,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623274951] [2021-10-11 00:34:14,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:14,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:14,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:14,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:14,749 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2021-10-11 00:34:14,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:14,846 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2021-10-11 00:34:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:34:14,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 00:34:14,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:14,850 INFO L225 Difference]: With dead ends: 735 [2021-10-11 00:34:14,850 INFO L226 Difference]: Without dead ends: 461 [2021-10-11 00:34:14,851 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 00:34:14,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-10-11 00:34:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2021-10-11 00:34:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2021-10-11 00:34:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2021-10-11 00:34:14,883 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2021-10-11 00:34:14,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:14,883 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2021-10-11 00:34:14,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2021-10-11 00:34:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:34:14,884 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:14,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:14,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:34:14,885 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:14,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:14,887 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2021-10-11 00:34:14,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:14,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778487753] [2021-10-11 00:34:14,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:14,957 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 00:34:14,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778487753] [2021-10-11 00:34:14,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:14,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:14,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333737516] [2021-10-11 00:34:14,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:14,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:14,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:14,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:14,964 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2021-10-11 00:34:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:15,012 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2021-10-11 00:34:15,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:15,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 00:34:15,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:15,017 INFO L225 Difference]: With dead ends: 707 [2021-10-11 00:34:15,017 INFO L226 Difference]: Without dead ends: 409 [2021-10-11 00:34:15,018 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 00:34:15,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-10-11 00:34:15,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2021-10-11 00:34:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2021-10-11 00:34:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2021-10-11 00:34:15,053 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2021-10-11 00:34:15,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:15,055 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2021-10-11 00:34:15,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2021-10-11 00:34:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:34:15,057 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:15,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:15,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:34:15,058 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:15,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:15,059 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2021-10-11 00:34:15,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:15,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310406922] [2021-10-11 00:34:15,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:15,139 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 00:34:15,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310406922] [2021-10-11 00:34:15,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:15,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:34:15,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105530392] [2021-10-11 00:34:15,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:34:15,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:15,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:34:15,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:34:15,143 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2021-10-11 00:34:15,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:15,444 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2021-10-11 00:34:15,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 00:34:15,445 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 00:34:15,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:15,450 INFO L225 Difference]: With dead ends: 1257 [2021-10-11 00:34:15,450 INFO L226 Difference]: Without dead ends: 855 [2021-10-11 00:34:15,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:34:15,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-10-11 00:34:15,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2021-10-11 00:34:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2021-10-11 00:34:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2021-10-11 00:34:15,504 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2021-10-11 00:34:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:15,505 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2021-10-11 00:34:15,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:34:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2021-10-11 00:34:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 00:34:15,507 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:15,507 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-10-11 00:34:15,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:34:15,507 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:15,508 INFO L82 PathProgramCache]: Analyzing trace with hash 654995562, now seen corresponding path program 1 times [2021-10-11 00:34:15,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:15,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666582331] [2021-10-11 00:34:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:15,570 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 00:34:15,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666582331] [2021-10-11 00:34:15,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:15,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:15,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573161306] [2021-10-11 00:34:15,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:15,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:15,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:15,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:15,574 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2021-10-11 00:34:15,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:15,664 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2021-10-11 00:34:15,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:15,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-10-11 00:34:15,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:15,666 INFO L225 Difference]: With dead ends: 692 [2021-10-11 00:34:15,666 INFO L226 Difference]: Without dead ends: 290 [2021-10-11 00:34:15,667 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 00:34:15,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-11 00:34:15,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2021-10-11 00:34:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-10-11 00:34:15,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2021-10-11 00:34:15,697 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2021-10-11 00:34:15,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:15,697 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2021-10-11 00:34:15,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2021-10-11 00:34:15,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:34:15,699 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:15,699 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, 1, 1, 1, 1] [2021-10-11 00:34:15,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:34:15,699 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:15,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:15,700 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2021-10-11 00:34:15,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:15,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555249592] [2021-10-11 00:34:15,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:15,763 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 00:34:15,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555249592] [2021-10-11 00:34:15,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:15,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:15,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47353937] [2021-10-11 00:34:15,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:15,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:15,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:15,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:15,770 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2021-10-11 00:34:15,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:15,825 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2021-10-11 00:34:15,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:15,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 00:34:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:15,829 INFO L225 Difference]: With dead ends: 413 [2021-10-11 00:34:15,830 INFO L226 Difference]: Without dead ends: 411 [2021-10-11 00:34:15,830 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 00:34:15,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-10-11 00:34:15,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2021-10-11 00:34:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2021-10-11 00:34:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2021-10-11 00:34:15,864 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2021-10-11 00:34:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:15,865 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2021-10-11 00:34:15,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2021-10-11 00:34:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 00:34:15,866 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:15,867 INFO L422 BasicCegarLoop]: trace histogram [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 00:34:15,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:34:15,867 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:15,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:15,868 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2021-10-11 00:34:15,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:15,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907441095] [2021-10-11 00:34:15,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:16,028 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:34:16,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907441095] [2021-10-11 00:34:16,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:16,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:34:16,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161243332] [2021-10-11 00:34:16,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:16,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:16,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:16,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:16,030 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2021-10-11 00:34:16,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:16,290 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2021-10-11 00:34:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:34:16,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-10-11 00:34:16,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:16,294 INFO L225 Difference]: With dead ends: 845 [2021-10-11 00:34:16,294 INFO L226 Difference]: Without dead ends: 632 [2021-10-11 00:34:16,300 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 00:34:16,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-10-11 00:34:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2021-10-11 00:34:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-10-11 00:34:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2021-10-11 00:34:16,347 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2021-10-11 00:34:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:16,348 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2021-10-11 00:34:16,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2021-10-11 00:34:16,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 00:34:16,349 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:16,349 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2021-10-11 00:34:16,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:34:16,350 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:16,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:16,350 INFO L82 PathProgramCache]: Analyzing trace with hash -270237087, now seen corresponding path program 1 times [2021-10-11 00:34:16,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:16,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464883296] [2021-10-11 00:34:16,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:16,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464883296] [2021-10-11 00:34:16,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008412755] [2021-10-11 00:34:16,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/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 00:34:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:16,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:34:16,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:16,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:34:16,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-11 00:34:16,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007278948] [2021-10-11 00:34:16,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:34:16,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:16,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:34:16,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:34:16,757 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2021-10-11 00:34:16,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:16,969 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2021-10-11 00:34:16,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:34:16,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2021-10-11 00:34:16,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:16,975 INFO L225 Difference]: With dead ends: 1262 [2021-10-11 00:34:16,975 INFO L226 Difference]: Without dead ends: 867 [2021-10-11 00:34:16,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:34:16,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-10-11 00:34:17,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2021-10-11 00:34:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2021-10-11 00:34:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2021-10-11 00:34:17,097 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2021-10-11 00:34:17,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:17,098 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2021-10-11 00:34:17,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:34:17,098 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2021-10-11 00:34:17,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 00:34:17,105 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:17,105 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2021-10-11 00:34:17,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-11 00:34:17,334 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:17,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:17,335 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2021-10-11 00:34:17,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:17,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482373567] [2021-10-11 00:34:17,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-11 00:34:17,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482373567] [2021-10-11 00:34:17,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718309785] [2021-10-11 00:34:17,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/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 00:34:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:17,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:34:17,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-11 00:34:17,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:34:17,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-10-11 00:34:17,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100305646] [2021-10-11 00:34:17,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:17,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:17,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:17,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:34:17,754 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2021-10-11 00:34:17,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:17,922 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2021-10-11 00:34:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:34:17,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-10-11 00:34:17,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:17,927 INFO L225 Difference]: With dead ends: 1598 [2021-10-11 00:34:17,927 INFO L226 Difference]: Without dead ends: 748 [2021-10-11 00:34:17,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:34:17,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2021-10-11 00:34:17,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2021-10-11 00:34:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2021-10-11 00:34:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2021-10-11 00:34:17,989 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2021-10-11 00:34:17,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:17,989 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2021-10-11 00:34:17,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2021-10-11 00:34:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-11 00:34:17,991 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:17,991 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2021-10-11 00:34:18,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-11 00:34:18,210 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:18,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:18,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1612420545, now seen corresponding path program 2 times [2021-10-11 00:34:18,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:18,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417421103] [2021-10-11 00:34:18,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-11 00:34:18,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417421103] [2021-10-11 00:34:18,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:18,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:34:18,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482409936] [2021-10-11 00:34:18,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:34:18,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:18,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:34:18,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:34:18,323 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2021-10-11 00:34:18,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:18,736 INFO L93 Difference]: Finished difference Result 932 states and 1177 transitions. [2021-10-11 00:34:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:34:18,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-10-11 00:34:18,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:18,737 INFO L225 Difference]: With dead ends: 932 [2021-10-11 00:34:18,737 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:34:18,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:34:18,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:34:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:34:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:34:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:34:18,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-11 00:34:18,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:18,740 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:34:18,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:34:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:34:18,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:34:18,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-11 00:34:18,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:34:19,429 WARN L197 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 204 [2021-10-11 00:34:19,836 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 200 [2021-10-11 00:34:20,028 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 119 [2021-10-11 00:34:20,444 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 175 [2021-10-11 00:34:20,690 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 163 [2021-10-11 00:34:20,916 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 157 [2021-10-11 00:34:21,232 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 154 [2021-10-11 00:34:21,517 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2021-10-11 00:34:21,779 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 173 [2021-10-11 00:34:22,938 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2021-10-11 00:34:23,940 WARN L197 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2021-10-11 00:34:24,319 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2021-10-11 00:34:24,617 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 25 [2021-10-11 00:34:25,302 WARN L197 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 38 [2021-10-11 00:34:25,993 WARN L197 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 33 [2021-10-11 00:34:26,689 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2021-10-11 00:34:26,810 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2021-10-11 00:34:27,002 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2021-10-11 00:34:27,549 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 38 [2021-10-11 00:34:27,829 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2021-10-11 00:34:28,321 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2021-10-11 00:34:29,070 WARN L197 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2021-10-11 00:34:29,091 INFO L262 CegarLoopResult]: For program point L960(lines 960 966) no Hoare annotation was computed. [2021-10-11 00:34:29,091 INFO L258 CegarLoopResult]: At program point L960-1(lines 960 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2021-10-11 00:34:29,091 INFO L262 CegarLoopResult]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point L927-2(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point L927-3(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point L927-5(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point L927-6(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point L927-8(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point L927-9(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point L927-11(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,092 INFO L262 CegarLoopResult]: For program point L927-12(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,093 INFO L262 CegarLoopResult]: For program point L927-14(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,093 INFO L262 CegarLoopResult]: For program point L927-15(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,093 INFO L262 CegarLoopResult]: For program point L927-17(lines 927 931) no Hoare annotation was computed. [2021-10-11 00:34:29,093 INFO L262 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2021-10-11 00:34:29,093 INFO L258 CegarLoopResult]: At program point L333-1(lines 333 339) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3))) [2021-10-11 00:34:29,093 INFO L258 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-10-11 00:34:29,094 INFO L258 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse7 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4 .cse5))) [2021-10-11 00:34:29,094 INFO L258 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-10-11 00:34:29,094 INFO L258 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-10-11 00:34:29,094 INFO L258 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-10-11 00:34:29,094 INFO L262 CegarLoopResult]: For program point L997(lines 997 1014) no Hoare annotation was computed. [2021-10-11 00:34:29,094 INFO L258 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-10-11 00:34:29,095 INFO L258 CegarLoopResult]: At program point L997-1(lines 1 1017) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2021-10-11 00:34:29,095 INFO L262 CegarLoopResult]: For program point L997-2(lines 997 1014) no Hoare annotation was computed. [2021-10-11 00:34:29,095 INFO L258 CegarLoopResult]: At program point L997-3(lines 1 1017) the Hoare annotation is: false [2021-10-11 00:34:29,095 INFO L262 CegarLoopResult]: For program point L997-4(lines 997 1014) no Hoare annotation was computed. [2021-10-11 00:34:29,095 INFO L258 CegarLoopResult]: At program point L997-5(lines 1 1017) the Hoare annotation is: false [2021-10-11 00:34:29,095 INFO L258 CegarLoopResult]: At program point L933(lines 918 936) the Hoare annotation is: false [2021-10-11 00:34:29,096 INFO L258 CegarLoopResult]: At program point L933-1(lines 918 936) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse3 .cse4 .cse8) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2021-10-11 00:34:29,096 INFO L258 CegarLoopResult]: At program point L933-2(lines 918 936) the Hoare annotation is: false [2021-10-11 00:34:29,096 INFO L258 CegarLoopResult]: At program point L933-3(lines 918 936) the Hoare annotation is: false [2021-10-11 00:34:29,096 INFO L258 CegarLoopResult]: At program point L933-4(lines 918 936) the Hoare annotation is: false [2021-10-11 00:34:29,096 INFO L258 CegarLoopResult]: At program point L933-5(lines 918 936) the Hoare annotation is: false [2021-10-11 00:34:29,096 INFO L258 CegarLoopResult]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2021-10-11 00:34:29,096 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-11 00:34:29,097 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-11 00:34:29,097 INFO L262 CegarLoopResult]: For program point L1001(lines 1001 1011) no Hoare annotation was computed. [2021-10-11 00:34:29,097 INFO L262 CegarLoopResult]: For program point L1001-2(lines 1001 1011) no Hoare annotation was computed. [2021-10-11 00:34:29,097 INFO L258 CegarLoopResult]: At program point L869(lines 862 872) the Hoare annotation is: false [2021-10-11 00:34:29,097 INFO L262 CegarLoopResult]: For program point L1001-4(lines 1001 1011) no Hoare annotation was computed. [2021-10-11 00:34:29,097 INFO L258 CegarLoopResult]: At program point L869-1(lines 862 872) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2021-10-11 00:34:29,098 INFO L258 CegarLoopResult]: At program point L869-2(lines 862 872) the Hoare annotation is: false [2021-10-11 00:34:29,098 INFO L258 CegarLoopResult]: At program point L869-3(lines 862 872) the Hoare annotation is: false [2021-10-11 00:34:29,098 INFO L258 CegarLoopResult]: At program point L869-4(lines 862 872) the Hoare annotation is: false [2021-10-11 00:34:29,098 INFO L258 CegarLoopResult]: At program point L869-5(lines 862 872) the Hoare annotation is: false [2021-10-11 00:34:29,098 INFO L262 CegarLoopResult]: For program point L1002(lines 1002 1008) no Hoare annotation was computed. [2021-10-11 00:34:29,098 INFO L262 CegarLoopResult]: For program point L1002-2(lines 1002 1008) no Hoare annotation was computed. [2021-10-11 00:34:29,098 INFO L262 CegarLoopResult]: For program point L1002-4(lines 1002 1008) no Hoare annotation was computed. [2021-10-11 00:34:29,098 INFO L262 CegarLoopResult]: For program point L343(lines 343 358) no Hoare annotation was computed. [2021-10-11 00:34:29,099 INFO L262 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2021-10-11 00:34:29,099 INFO L262 CegarLoopResult]: For program point L178-1(lines 749 755) no Hoare annotation was computed. [2021-10-11 00:34:29,099 INFO L262 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-11 00:34:29,099 INFO L262 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2021-10-11 00:34:29,099 INFO L262 CegarLoopResult]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2021-10-11 00:34:29,099 INFO L262 CegarLoopResult]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2021-10-11 00:34:29,099 INFO L258 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)))) [2021-10-11 00:34:29,100 INFO L258 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-10-11 00:34:29,100 INFO L258 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-10-11 00:34:29,100 INFO L262 CegarLoopResult]: For program point L314(lines 313 362) no Hoare annotation was computed. [2021-10-11 00:34:29,100 INFO L262 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-10-11 00:34:29,100 INFO L262 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-10-11 00:34:29,100 INFO L262 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2021-10-11 00:34:29,100 INFO L262 CegarLoopResult]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2021-10-11 00:34:29,100 INFO L262 CegarLoopResult]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2021-10-11 00:34:29,101 INFO L262 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2021-10-11 00:34:29,101 INFO L262 CegarLoopResult]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2021-10-11 00:34:29,101 INFO L262 CegarLoopResult]: For program point L844-6(lines 844 850) no Hoare annotation was computed. [2021-10-11 00:34:29,101 INFO L262 CegarLoopResult]: For program point L844-8(lines 844 850) no Hoare annotation was computed. [2021-10-11 00:34:29,101 INFO L262 CegarLoopResult]: For program point L844-10(lines 844 850) no Hoare annotation was computed. [2021-10-11 00:34:29,101 INFO L258 CegarLoopResult]: At program point L878(lines 873 881) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 .cse5))) [2021-10-11 00:34:29,101 INFO L258 CegarLoopResult]: At program point L878-1(lines 873 881) the Hoare annotation is: false [2021-10-11 00:34:29,102 INFO L258 CegarLoopResult]: At program point L878-2(lines 873 881) the Hoare annotation is: false [2021-10-11 00:34:29,102 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:34:29,102 INFO L262 CegarLoopResult]: For program point L351(lines 351 357) no Hoare annotation was computed. [2021-10-11 00:34:29,102 INFO L258 CegarLoopResult]: At program point L351-1(lines 749 755) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse3 .cse8))) [2021-10-11 00:34:29,102 INFO L262 CegarLoopResult]: For program point L252(lines 252 259) no Hoare annotation was computed. [2021-10-11 00:34:29,102 INFO L265 CegarLoopResult]: At program point L252-1(lines 252 259) the Hoare annotation is: true [2021-10-11 00:34:29,103 INFO L262 CegarLoopResult]: For program point L946(lines 946 950) no Hoare annotation was computed. [2021-10-11 00:34:29,103 INFO L262 CegarLoopResult]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2021-10-11 00:34:29,103 INFO L262 CegarLoopResult]: For program point L946-3(lines 946 950) no Hoare annotation was computed. [2021-10-11 00:34:29,103 INFO L262 CegarLoopResult]: For program point L781(lines 781 798) no Hoare annotation was computed. [2021-10-11 00:34:29,103 INFO L262 CegarLoopResult]: For program point L946-5(lines 946 950) no Hoare annotation was computed. [2021-10-11 00:34:29,103 INFO L262 CegarLoopResult]: For program point L781-1(lines 781 798) no Hoare annotation was computed. [2021-10-11 00:34:29,103 INFO L262 CegarLoopResult]: For program point L946-6(lines 946 950) no Hoare annotation was computed. [2021-10-11 00:34:29,103 INFO L262 CegarLoopResult]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2021-10-11 00:34:29,104 INFO L262 CegarLoopResult]: For program point L781-3(lines 781 798) no Hoare annotation was computed. [2021-10-11 00:34:29,104 INFO L262 CegarLoopResult]: For program point L946-8(lines 946 950) no Hoare annotation was computed. [2021-10-11 00:34:29,104 INFO L262 CegarLoopResult]: For program point L781-4(lines 781 798) no Hoare annotation was computed. [2021-10-11 00:34:29,104 INFO L262 CegarLoopResult]: For program point L781-5(lines 781 798) no Hoare annotation was computed. [2021-10-11 00:34:29,104 INFO L258 CegarLoopResult]: At program point L749(lines 748 767) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse5 .cse6 .cse3 .cse2) (and .cse4 .cse1 .cse6 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2))) [2021-10-11 00:34:29,104 INFO L262 CegarLoopResult]: For program point L749-1(lines 749 755) no Hoare annotation was computed. [2021-10-11 00:34:29,105 INFO L258 CegarLoopResult]: At program point L749-2(lines 748 767) the Hoare annotation is: false [2021-10-11 00:34:29,105 INFO L258 CegarLoopResult]: At program point L749-3(lines 748 767) the Hoare annotation is: false [2021-10-11 00:34:29,105 INFO L262 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-10-11 00:34:29,105 INFO L262 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-10-11 00:34:29,105 INFO L262 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-10-11 00:34:29,105 INFO L258 CegarLoopResult]: At program point L288(lines 1 1017) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:34:29,105 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:34:29,106 INFO L258 CegarLoopResult]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:34:29,106 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-11 00:34:29,106 INFO L262 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2021-10-11 00:34:29,106 INFO L262 CegarLoopResult]: For program point L157-2(line 157) no Hoare annotation was computed. [2021-10-11 00:34:29,106 INFO L262 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2021-10-11 00:34:29,106 INFO L262 CegarLoopResult]: For program point L785-1(lines 785 793) no Hoare annotation was computed. [2021-10-11 00:34:29,106 INFO L262 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2021-10-11 00:34:29,106 INFO L262 CegarLoopResult]: For program point L785-3(lines 785 793) no Hoare annotation was computed. [2021-10-11 00:34:29,106 INFO L262 CegarLoopResult]: For program point L785-4(lines 785 793) no Hoare annotation was computed. [2021-10-11 00:34:29,107 INFO L262 CegarLoopResult]: For program point L785-5(lines 785 793) no Hoare annotation was computed. [2021-10-11 00:34:29,107 INFO L262 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2021-10-11 00:34:29,107 INFO L258 CegarLoopResult]: At program point L323-1(lines 323 329) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2021-10-11 00:34:29,107 INFO L258 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-10-11 00:34:29,107 INFO L258 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2021-10-11 00:34:29,108 INFO L258 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse1 .cse0 .cse2 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse3 .cse5) (and .cse7 .cse8 .cse6 .cse4 .cse5 .cse3) (and .cse7 .cse8 .cse1 .cse4 .cse3 .cse5))) [2021-10-11 00:34:29,108 INFO L258 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-10-11 00:34:29,108 INFO L258 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-10-11 00:34:29,108 INFO L258 CegarLoopResult]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse3 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse4))) [2021-10-11 00:34:29,108 INFO L258 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-10-11 00:34:29,108 INFO L258 CegarLoopResult]: At program point L952-1(lines 937 955) the Hoare annotation is: false [2021-10-11 00:34:29,108 INFO L258 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2021-10-11 00:34:29,109 INFO L258 CegarLoopResult]: At program point L952-2(lines 937 955) the Hoare annotation is: false [2021-10-11 00:34:29,109 INFO L258 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2021-10-11 00:34:29,109 INFO L258 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2021-10-11 00:34:29,109 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:34:29,109 INFO L258 CegarLoopResult]: At program point L986(lines 981 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:34:29,109 INFO L258 CegarLoopResult]: At program point L756(lines 756 762) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:34:29,109 INFO L258 CegarLoopResult]: At program point L756-1(lines 756 762) the Hoare annotation is: false [2021-10-11 00:34:29,109 INFO L258 CegarLoopResult]: At program point L756-2(lines 756 762) the Hoare annotation is: false [2021-10-11 00:34:29,109 INFO L265 CegarLoopResult]: At program point L261(lines 242 264) the Hoare annotation is: true [2021-10-11 00:34:29,109 INFO L258 CegarLoopResult]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:34:29,109 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:34:29,110 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-11 00:34:29,110 INFO L258 CegarLoopResult]: At program point L363(lines 312 364) the Hoare annotation is: false [2021-10-11 00:34:29,110 INFO L262 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-10-11 00:34:29,110 INFO L262 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-10-11 00:34:29,110 INFO L262 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-10-11 00:34:29,110 INFO L262 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-10-11 00:34:29,110 INFO L262 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-10-11 00:34:29,110 INFO L262 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-10-11 00:34:29,110 INFO L262 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-11 00:34:29,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:34:29 BoogieIcfgContainer [2021-10-11 00:34:29,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:34:29,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:34:29,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:34:29,144 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:34:29,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:12" (3/4) ... [2021-10-11 00:34:29,147 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:34:29,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:34:29,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:34:29,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:34:29,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:34:29,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:34:29,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:34:29,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:34:29,199 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2021-10-11 00:34:29,200 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2021-10-11 00:34:29,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:34:29,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2021-10-11 00:34:29,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:34:29,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:34:29,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2021-10-11 00:34:29,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:34:29,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:34:29,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:34:29,282 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd811ae-6f8d-43ed-a8cf-a196ba7977c1/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:34:29,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:34:29,283 INFO L168 Benchmark]: Toolchain (without parser) took 18660.94 ms. Allocated memory was 94.4 MB in the beginning and 343.9 MB in the end (delta: 249.6 MB). Free memory was 53.4 MB in the beginning and 308.7 MB in the end (delta: -255.4 MB). Peak memory consumption was 191.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:29,284 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 94.4 MB. Free memory is still 70.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:34:29,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.20 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 53.2 MB in the beginning and 95.3 MB in the end (delta: -42.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:29,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.34 ms. Allocated memory is still 134.2 MB. Free memory was 95.3 MB in the beginning and 91.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:29,285 INFO L168 Benchmark]: Boogie Preprocessor took 97.90 ms. Allocated memory is still 134.2 MB. Free memory was 91.1 MB in the beginning and 88.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:29,285 INFO L168 Benchmark]: RCFGBuilder took 1318.25 ms. Allocated memory is still 134.2 MB. Free memory was 88.2 MB in the beginning and 78.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 46.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:29,285 INFO L168 Benchmark]: TraceAbstraction took 16488.76 ms. Allocated memory was 134.2 MB in the beginning and 343.9 MB in the end (delta: 209.7 MB). Free memory was 78.9 MB in the beginning and 120.7 MB in the end (delta: -41.8 MB). Peak memory consumption was 182.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:29,286 INFO L168 Benchmark]: Witness Printer took 138.78 ms. Allocated memory is still 343.9 MB. Free memory was 120.7 MB in the beginning and 308.7 MB in the end (delta: -188.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:29,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 94.4 MB. Free memory is still 70.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 531.20 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 53.2 MB in the beginning and 95.3 MB in the end (delta: -42.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.34 ms. Allocated memory is still 134.2 MB. Free memory was 95.3 MB in the beginning and 91.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.90 ms. Allocated memory is still 134.2 MB. Free memory was 91.1 MB in the beginning and 88.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1318.25 ms. Allocated memory is still 134.2 MB. Free memory was 88.2 MB in the beginning and 78.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 46.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16488.76 ms. Allocated memory was 134.2 MB in the beginning and 343.9 MB in the end (delta: 209.7 MB). Free memory was 78.9 MB in the beginning and 120.7 MB in the end (delta: -41.8 MB). Peak memory consumption was 182.6 MB. Max. memory is 16.1 GB. * Witness Printer took 138.78 ms. Allocated memory is still 343.9 MB. Free memory was 120.7 MB in the beginning and 308.7 MB in the end (delta: -188.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: 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: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1900 SDtfs, 2603 SDslu, 3051 SDs, 0 SdLazy, 382 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, 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, 16 MinimizatonAttempts, 2654 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 275 NumberOfFragments, 1169 HoareAnnotationTreeSize, 57 FomulaSimplifications, 8489006 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 847955 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 875 ConstructedInterpolants, 0 QuantifiedInterpolants, 89240 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 313/341 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...