./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.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_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/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_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/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_4effbf5f-7565-4432-b915-b3aeae78f0af/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 7c9c699b8f4baa8342fdac40487e4f330549e95c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:32:17,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:17,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:17,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:17,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:17,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:17,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:17,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:17,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:17,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:17,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:17,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:17,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:17,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:17,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:17,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:17,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:17,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:17,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:17,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:17,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:17,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:17,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:17,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:17,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:17,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:17,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:17,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:17,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:17,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:17,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:17,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:17,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:17,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:17,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:17,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:17,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:17,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:17,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:17,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:17,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:17,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:32:17,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:17,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:17,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:17,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:17,206 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:17,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:17,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:17,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:17,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:17,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:17,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:32:17,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:32:17,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:32:17,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:17,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:17,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:17,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:32:17,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:17,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:17,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:32:17,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:17,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:17,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:32:17,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:32:17,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:17,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:32:17,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:32:17,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:17,213 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_4effbf5f-7565-4432-b915-b3aeae78f0af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c9c699b8f4baa8342fdac40487e4f330549e95c [2021-10-11 00:32:17,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:17,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:17,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:17,536 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:17,537 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:17,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-10-11 00:32:17,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/data/35171e32f/7f96889a0ada453fa215b5503a6fd5cb/FLAGe207abf38 [2021-10-11 00:32:18,187 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:18,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-10-11 00:32:18,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/data/35171e32f/7f96889a0ada453fa215b5503a6fd5cb/FLAGe207abf38 [2021-10-11 00:32:18,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/data/35171e32f/7f96889a0ada453fa215b5503a6fd5cb [2021-10-11 00:32:18,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:18,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:18,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:18,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:18,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:18,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:18" (1/1) ... [2021-10-11 00:32:18,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ee26b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:18, skipping insertion in model container [2021-10-11 00:32:18,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:18" (1/1) ... [2021-10-11 00:32:18,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:18,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:18,883 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_4effbf5f-7565-4432-b915-b3aeae78f0af/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13664,13677] [2021-10-11 00:32:18,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:18,936 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:19,022 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_4effbf5f-7565-4432-b915-b3aeae78f0af/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13664,13677] [2021-10-11 00:32:19,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:19,075 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:19,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19 WrapperNode [2021-10-11 00:32:19,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:19,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:19,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:19,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:19,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:19,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:19,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:19,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:19,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... [2021-10-11 00:32:19,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:19,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:19,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:19,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:19,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/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 00:32:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:20,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:20,455 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 00:32:20,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:20 BoogieIcfgContainer [2021-10-11 00:32:20,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:20,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:20,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:20,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:20,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:18" (1/3) ... [2021-10-11 00:32:20,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e71ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:20, skipping insertion in model container [2021-10-11 00:32:20,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:19" (2/3) ... [2021-10-11 00:32:20,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e71ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:20, skipping insertion in model container [2021-10-11 00:32:20,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:20" (3/3) ... [2021-10-11 00:32:20,469 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2021-10-11 00:32:20,487 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:20,490 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:32:20,502 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:32:20,546 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:20,548 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:20,548 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:20,548 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:20,548 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:20,549 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:20,549 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:20,549 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2021-10-11 00:32:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:20,587 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:20,588 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 00:32:20,589 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:20,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1284074395, now seen corresponding path program 1 times [2021-10-11 00:32:20,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:20,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436986667] [2021-10-11 00:32:20,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:20,940 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 00:32:20,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436986667] [2021-10-11 00:32:20,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:20,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:20,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982585774] [2021-10-11 00:32:20,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:32:20,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:20,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:32:20,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:32:20,965 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2021-10-11 00:32:20,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:20,995 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-10-11 00:32:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:32:20,996 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:32:20,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:21,008 INFO L225 Difference]: With dead ends: 162 [2021-10-11 00:32:21,008 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 00:32:21,012 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 00:32:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 00:32:21,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-11 00:32:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 00:32:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2021-10-11 00:32:21,081 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2021-10-11 00:32:21,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:21,082 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2021-10-11 00:32:21,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:32:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-10-11 00:32:21,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:32:21,083 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:21,084 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 00:32:21,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:21,084 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:21,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,085 INFO L82 PathProgramCache]: Analyzing trace with hash 373043642, now seen corresponding path program 1 times [2021-10-11 00:32:21,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:21,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882436695] [2021-10-11 00:32:21,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:21,219 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 00:32:21,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882436695] [2021-10-11 00:32:21,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:21,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:21,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315679326] [2021-10-11 00:32:21,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:21,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:21,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:21,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:21,223 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 3 states. [2021-10-11 00:32:21,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:21,234 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2021-10-11 00:32:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:21,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:32:21,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:21,236 INFO L225 Difference]: With dead ends: 80 [2021-10-11 00:32:21,236 INFO L226 Difference]: Without dead ends: 36 [2021-10-11 00:32:21,237 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 00:32:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-11 00:32:21,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-11 00:32:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-10-11 00:32:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-10-11 00:32:21,243 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2021-10-11 00:32:21,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:21,244 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-10-11 00:32:21,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-11 00:32:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:32:21,245 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:21,245 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 00:32:21,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:21,246 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:21,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,247 INFO L82 PathProgramCache]: Analyzing trace with hash -196588044, now seen corresponding path program 1 times [2021-10-11 00:32:21,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:21,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265367805] [2021-10-11 00:32:21,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:21,354 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 00:32:21,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265367805] [2021-10-11 00:32:21,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:21,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:21,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420769909] [2021-10-11 00:32:21,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:21,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:21,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:21,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:21,357 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 3 states. [2021-10-11 00:32:21,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:21,379 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2021-10-11 00:32:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:21,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:32:21,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:21,381 INFO L225 Difference]: With dead ends: 66 [2021-10-11 00:32:21,381 INFO L226 Difference]: Without dead ends: 36 [2021-10-11 00:32:21,382 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 00:32:21,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-11 00:32:21,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-11 00:32:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-10-11 00:32:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-10-11 00:32:21,388 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2021-10-11 00:32:21,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:21,388 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-10-11 00:32:21,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-10-11 00:32:21,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:32:21,389 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:21,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:21,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:21,390 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:21,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,391 INFO L82 PathProgramCache]: Analyzing trace with hash 961211503, now seen corresponding path program 1 times [2021-10-11 00:32:21,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:21,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989146133] [2021-10-11 00:32:21,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:21,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:21,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989146133] [2021-10-11 00:32:21,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:21,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:21,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917429283] [2021-10-11 00:32:21,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:21,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:21,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:21,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:21,456 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2021-10-11 00:32:21,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:21,479 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-10-11 00:32:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:21,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 00:32:21,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:21,483 INFO L225 Difference]: With dead ends: 89 [2021-10-11 00:32:21,484 INFO L226 Difference]: Without dead ends: 59 [2021-10-11 00:32:21,484 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 00:32:21,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-11 00:32:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2021-10-11 00:32:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 00:32:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-11 00:32:21,492 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2021-10-11 00:32:21,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:21,493 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-11 00:32:21,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-11 00:32:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:32:21,498 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:21,498 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] [2021-10-11 00:32:21,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:21,498 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:21,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1128412896, now seen corresponding path program 1 times [2021-10-11 00:32:21,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:21,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234055439] [2021-10-11 00:32:21,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:21,583 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 00:32:21,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234055439] [2021-10-11 00:32:21,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:21,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:21,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199220078] [2021-10-11 00:32:21,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:21,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:21,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:21,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:21,586 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2021-10-11 00:32:21,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:21,637 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2021-10-11 00:32:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:21,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 00:32:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:21,640 INFO L225 Difference]: With dead ends: 149 [2021-10-11 00:32:21,640 INFO L226 Difference]: Without dead ends: 98 [2021-10-11 00:32:21,641 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 00:32:21,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-11 00:32:21,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2021-10-11 00:32:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:32:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-11 00:32:21,650 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2021-10-11 00:32:21,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:21,650 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-11 00:32:21,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:21,650 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-11 00:32:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:32:21,652 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:21,652 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] [2021-10-11 00:32:21,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:32:21,652 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:21,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1016803, now seen corresponding path program 1 times [2021-10-11 00:32:21,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:21,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898329685] [2021-10-11 00:32:21,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:21,717 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 00:32:21,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898329685] [2021-10-11 00:32:21,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:21,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:21,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442423617] [2021-10-11 00:32:21,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:21,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:21,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:21,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:21,720 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2021-10-11 00:32:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:21,863 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2021-10-11 00:32:21,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:32:21,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 00:32:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:21,870 INFO L225 Difference]: With dead ends: 314 [2021-10-11 00:32:21,870 INFO L226 Difference]: Without dead ends: 260 [2021-10-11 00:32:21,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:32:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-10-11 00:32:21,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-10-11 00:32:21,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-10-11 00:32:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2021-10-11 00:32:21,906 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2021-10-11 00:32:21,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:21,909 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2021-10-11 00:32:21,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2021-10-11 00:32:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:32:21,914 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:21,914 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] [2021-10-11 00:32:21,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:32:21,915 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:21,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,916 INFO L82 PathProgramCache]: Analyzing trace with hash -2111743067, now seen corresponding path program 1 times [2021-10-11 00:32:21,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:21,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788847296] [2021-10-11 00:32:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:22,009 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 00:32:22,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788847296] [2021-10-11 00:32:22,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:22,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:22,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569586747] [2021-10-11 00:32:22,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:22,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:22,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:22,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:22,013 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand 4 states. [2021-10-11 00:32:22,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:22,101 INFO L93 Difference]: Finished difference Result 212 states and 295 transitions. [2021-10-11 00:32:22,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:22,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 00:32:22,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:22,104 INFO L225 Difference]: With dead ends: 212 [2021-10-11 00:32:22,105 INFO L226 Difference]: Without dead ends: 158 [2021-10-11 00:32:22,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-11 00:32:22,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-10-11 00:32:22,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-10-11 00:32:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2021-10-11 00:32:22,148 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 32 [2021-10-11 00:32:22,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:22,149 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2021-10-11 00:32:22,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2021-10-11 00:32:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:32:22,151 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:22,151 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] [2021-10-11 00:32:22,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:32:22,151 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:22,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:22,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1172106979, now seen corresponding path program 1 times [2021-10-11 00:32:22,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:22,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289256508] [2021-10-11 00:32:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:22,236 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 00:32:22,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289256508] [2021-10-11 00:32:22,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:22,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:22,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457914740] [2021-10-11 00:32:22,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:22,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:22,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:22,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:22,241 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand 4 states. [2021-10-11 00:32:22,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:22,297 INFO L93 Difference]: Finished difference Result 350 states and 487 transitions. [2021-10-11 00:32:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:22,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 00:32:22,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:22,300 INFO L225 Difference]: With dead ends: 350 [2021-10-11 00:32:22,300 INFO L226 Difference]: Without dead ends: 246 [2021-10-11 00:32:22,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:22,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-10-11 00:32:22,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2021-10-11 00:32:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2021-10-11 00:32:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2021-10-11 00:32:22,351 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2021-10-11 00:32:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:22,352 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2021-10-11 00:32:22,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:22,352 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-10-11 00:32:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:32:22,353 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:22,354 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] [2021-10-11 00:32:22,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:32:22,354 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:22,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:22,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1737298786, now seen corresponding path program 1 times [2021-10-11 00:32:22,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:22,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506393519] [2021-10-11 00:32:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:22,467 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 00:32:22,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506393519] [2021-10-11 00:32:22,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:22,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:22,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093839888] [2021-10-11 00:32:22,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:22,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:22,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:22,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:22,470 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand 5 states. [2021-10-11 00:32:22,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:22,640 INFO L93 Difference]: Finished difference Result 325 states and 456 transitions. [2021-10-11 00:32:22,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:22,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 00:32:22,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:22,641 INFO L225 Difference]: With dead ends: 325 [2021-10-11 00:32:22,642 INFO L226 Difference]: Without dead ends: 63 [2021-10-11 00:32:22,642 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 00:32:22,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-11 00:32:22,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2021-10-11 00:32:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:32:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2021-10-11 00:32:22,649 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 32 [2021-10-11 00:32:22,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:22,650 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2021-10-11 00:32:22,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-10-11 00:32:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:32:22,651 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:22,651 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] [2021-10-11 00:32:22,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:32:22,652 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:22,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:22,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1430272417, now seen corresponding path program 1 times [2021-10-11 00:32:22,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:22,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995065517] [2021-10-11 00:32:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:22,754 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 00:32:22,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995065517] [2021-10-11 00:32:22,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:22,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:22,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350486420] [2021-10-11 00:32:22,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:22,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:22,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:22,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:22,757 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand 6 states. [2021-10-11 00:32:22,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:22,803 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2021-10-11 00:32:22,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:22,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-10-11 00:32:22,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:22,804 INFO L225 Difference]: With dead ends: 103 [2021-10-11 00:32:22,804 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:32:22,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:32:22,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:32:22,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:32:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:32:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:32:22,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-10-11 00:32:22,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:22,806 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:22,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:32:22,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:32:22,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:32:22,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:32:23,380 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-10-11 00:32:23,380 INFO L258 CegarLoopResult]: At program point L696(lines 695 714) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:32:23,380 INFO L262 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:32:23,380 INFO L258 CegarLoopResult]: At program point L696-2(lines 695 714) the Hoare annotation is: false [2021-10-11 00:32:23,381 INFO L258 CegarLoopResult]: At program point L696-3(lines 695 714) the Hoare annotation is: false [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L631(lines 630 675) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L615-2(line 615) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L830-3(lines 830 834) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L830-5(lines 830 834) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L830-6(lines 830 834) no Hoare annotation was computed. [2021-10-11 00:32:23,381 INFO L262 CegarLoopResult]: For program point L830-8(lines 830 834) no Hoare annotation was computed. [2021-10-11 00:32:23,382 INFO L258 CegarLoopResult]: At program point L781(lines 776 784) the Hoare annotation is: (and (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1)) [2021-10-11 00:32:23,382 INFO L258 CegarLoopResult]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2021-10-11 00:32:23,382 INFO L258 CegarLoopResult]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2021-10-11 00:32:23,382 INFO L258 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:32:23,382 INFO L258 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2021-10-11 00:32:23,382 INFO L258 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2021-10-11 00:32:23,382 INFO L258 CegarLoopResult]: At program point L897(lines 1 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:23,382 INFO L262 CegarLoopResult]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-10-11 00:32:23,382 INFO L262 CegarLoopResult]: For program point L732-1(lines 732 740) no Hoare annotation was computed. [2021-10-11 00:32:23,383 INFO L262 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2021-10-11 00:32:23,383 INFO L262 CegarLoopResult]: For program point L732-2(lines 732 740) no Hoare annotation was computed. [2021-10-11 00:32:23,383 INFO L262 CegarLoopResult]: For program point L666-2(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:32:23,383 INFO L262 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:32:23,383 INFO L262 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:32:23,383 INFO L262 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:32:23,383 INFO L258 CegarLoopResult]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:23,383 INFO L262 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2021-10-11 00:32:23,383 INFO L258 CegarLoopResult]: At program point L650-1(lines 650 656) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:32:23,383 INFO L258 CegarLoopResult]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2021-10-11 00:32:23,383 INFO L262 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2021-10-11 00:32:23,384 INFO L262 CegarLoopResult]: For program point L850(lines 850 870) no Hoare annotation was computed. [2021-10-11 00:32:23,384 INFO L262 CegarLoopResult]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2021-10-11 00:32:23,384 INFO L262 CegarLoopResult]: For program point L850-4(lines 850 870) no Hoare annotation was computed. [2021-10-11 00:32:23,384 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:32:23,384 INFO L258 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment_~tmp~5 0)))) [2021-10-11 00:32:23,384 INFO L258 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2021-10-11 00:32:23,384 INFO L258 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2021-10-11 00:32:23,384 INFO L265 CegarLoopResult]: At program point L240(lines 221 243) the Hoare annotation is: true [2021-10-11 00:32:23,384 INFO L258 CegarLoopResult]: At program point L703(lines 703 709) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1))) [2021-10-11 00:32:23,385 INFO L258 CegarLoopResult]: At program point L703-1(lines 703 709) the Hoare annotation is: false [2021-10-11 00:32:23,385 INFO L258 CegarLoopResult]: At program point L703-2(lines 703 709) the Hoare annotation is: false [2021-10-11 00:32:23,385 INFO L258 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 0)))) [2021-10-11 00:32:23,385 INFO L258 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-10-11 00:32:23,385 INFO L258 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-10-11 00:32:23,385 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-10-11 00:32:23,385 INFO L258 CegarLoopResult]: At program point L836(lines 821 839) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not .cse5)) (and .cse1 (let ((.cse6 (= ~waterLevel~0 1))) (or (and .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse5 .cse0 .cse3 .cse4)))))) [2021-10-11 00:32:23,385 INFO L258 CegarLoopResult]: At program point L836-1(lines 821 839) the Hoare annotation is: false [2021-10-11 00:32:23,386 INFO L258 CegarLoopResult]: At program point L836-2(lines 821 839) the Hoare annotation is: false [2021-10-11 00:32:23,386 INFO L262 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-10-11 00:32:23,386 INFO L262 CegarLoopResult]: For program point L159-1(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:32:23,386 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:32:23,386 INFO L262 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-10-11 00:32:23,386 INFO L258 CegarLoopResult]: At program point L640-1(lines 640 646) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:32:23,386 INFO L262 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-10-11 00:32:23,386 INFO L258 CegarLoopResult]: At program point L905(lines 900 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:23,386 INFO L262 CegarLoopResult]: For program point L856(lines 856 869) no Hoare annotation was computed. [2021-10-11 00:32:23,387 INFO L258 CegarLoopResult]: At program point L856-1(lines 1 908) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-10-11 00:32:23,387 INFO L262 CegarLoopResult]: For program point L856-2(lines 856 869) no Hoare annotation was computed. [2021-10-11 00:32:23,387 INFO L258 CegarLoopResult]: At program point L856-3(lines 1 908) the Hoare annotation is: false [2021-10-11 00:32:23,387 INFO L262 CegarLoopResult]: For program point L856-4(lines 856 869) no Hoare annotation was computed. [2021-10-11 00:32:23,387 INFO L258 CegarLoopResult]: At program point L856-5(lines 1 908) the Hoare annotation is: false [2021-10-11 00:32:23,387 INFO L258 CegarLoopResult]: At program point L676(lines 629 677) the Hoare annotation is: false [2021-10-11 00:32:23,387 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:32:23,387 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-10-11 00:32:23,387 INFO L262 CegarLoopResult]: For program point L660(lines 660 671) no Hoare annotation was computed. [2021-10-11 00:32:23,387 INFO L262 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2021-10-11 00:32:23,387 INFO L265 CegarLoopResult]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L860-2(lines 860 866) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L860-4(lines 860 866) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L728-1(lines 728 745) no Hoare annotation was computed. [2021-10-11 00:32:23,388 INFO L262 CegarLoopResult]: For program point L728-2(lines 728 745) no Hoare annotation was computed. [2021-10-11 00:32:23,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:23 BoogieIcfgContainer [2021-10-11 00:32:23,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:23,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:23,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:23,419 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:23,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:20" (3/4) ... [2021-10-11 00:32:23,423 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:32:23,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:32:23,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:32:23,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:32:23,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:32:23,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:32:23,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:23,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:23,485 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:32:23,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) [2021-10-11 00:32:23,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (1 == systemActive && ((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0))) [2021-10-11 00:32:23,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:32:23,569 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4effbf5f-7565-4432-b915-b3aeae78f0af/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:23,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:23,571 INFO L168 Benchmark]: Toolchain (without parser) took 5059.62 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 67.0 MB in the beginning and 69.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:23,574 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:23,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.69 ms. Allocated memory is still 100.7 MB. Free memory was 66.8 MB in the beginning and 67.4 MB in the end (delta: -663.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:23,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.70 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 64.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:23,576 INFO L168 Benchmark]: Boogie Preprocessor took 74.97 ms. Allocated memory is still 100.7 MB. Free memory was 64.1 MB in the beginning and 62.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:23,576 INFO L168 Benchmark]: RCFGBuilder took 1169.09 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 62.0 MB in the beginning and 69.0 MB in the end (delta: -7.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:23,577 INFO L168 Benchmark]: TraceAbstraction took 2957.21 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 68.4 MB in the beginning and 76.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:23,577 INFO L168 Benchmark]: Witness Printer took 150.66 ms. Allocated memory is still 151.0 MB. Free memory was 76.6 MB in the beginning and 69.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:23,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 558.69 ms. Allocated memory is still 100.7 MB. Free memory was 66.8 MB in the beginning and 67.4 MB in the end (delta: -663.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.70 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 64.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.97 ms. Allocated memory is still 100.7 MB. Free memory was 64.1 MB in the beginning and 62.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1169.09 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 62.0 MB in the beginning and 69.0 MB in the end (delta: -7.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2957.21 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 68.4 MB in the beginning and 76.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * Witness Printer took 150.66 ms. Allocated memory is still 151.0 MB. Free memory was 76.6 MB in the beginning and 69.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 615]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 615]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 615]: 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: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0) - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (1 == systemActive && ((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0))) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 742 SDtfs, 666 SDslu, 950 SDs, 0 SdLazy, 147 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 294 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 88 NumberOfFragments, 398 HoareAnnotationTreeSize, 33 FomulaSimplifications, 5506 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 13637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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...