./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.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_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/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_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/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_0471eef7-28fb-40cf-b9e9-96ad86f706ae/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 a022389f82d082e59911b8894f15e7c26d2fb42a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:27:41,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:41,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:41,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:41,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:41,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:41,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:41,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:41,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:41,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:41,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:41,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:41,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:41,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:41,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:41,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:41,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:41,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:41,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:41,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:41,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:41,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:41,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:41,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:41,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:41,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:41,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:41,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:41,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:41,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:41,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:41,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:41,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:41,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:41,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:41,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:41,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:41,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:41,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:41,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:41,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:41,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:27:41,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:41,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:41,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:41,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:41,283 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:41,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:41,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:41,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:41,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:41,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:41,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:41,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:41,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:41,286 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:41,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:41,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:41,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:41,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:41,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:41,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:41,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:41,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:41,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:41,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:41,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:41,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:27:41,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:41,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:41,289 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_0471eef7-28fb-40cf-b9e9-96ad86f706ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a022389f82d082e59911b8894f15e7c26d2fb42a [2021-10-11 00:27:41,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:41,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:41,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:41,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:41,594 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:41,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-10-11 00:27:41,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/data/ec4b68ed0/e0b1c6851d17441aa33b72a5e2657665/FLAG7ed783170 [2021-10-11 00:27:42,155 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:42,155 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-10-11 00:27:42,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/data/ec4b68ed0/e0b1c6851d17441aa33b72a5e2657665/FLAG7ed783170 [2021-10-11 00:27:42,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/data/ec4b68ed0/e0b1c6851d17441aa33b72a5e2657665 [2021-10-11 00:27:42,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:42,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:42,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:42,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:42,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:42,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:42,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13943b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42, skipping insertion in model container [2021-10-11 00:27:42,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:42,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:42,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:42,710 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_0471eef7-28fb-40cf-b9e9-96ad86f706ae/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1281,1294] [2021-10-11 00:27:42,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:42,860 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:42,873 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_0471eef7-28fb-40cf-b9e9-96ad86f706ae/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1281,1294] [2021-10-11 00:27:42,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:42,967 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:42,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42 WrapperNode [2021-10-11 00:27:42,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:42,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:42,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:42,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:42,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:43,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:43,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:43,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:43,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... [2021-10-11 00:27:43,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:43,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:43,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:43,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:43,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:44,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:44,066 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-11 00:27:44,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:44 BoogieIcfgContainer [2021-10-11 00:27:44,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:44,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:44,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:44,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:44,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:42" (1/3) ... [2021-10-11 00:27:44,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cabe6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:44, skipping insertion in model container [2021-10-11 00:27:44,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:42" (2/3) ... [2021-10-11 00:27:44,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cabe6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:44, skipping insertion in model container [2021-10-11 00:27:44,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:44" (3/3) ... [2021-10-11 00:27:44,077 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2021-10-11 00:27:44,091 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:44,095 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:27:44,107 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:27:44,131 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:44,132 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:44,132 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:44,132 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:44,132 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:44,132 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:44,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:44,133 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2021-10-11 00:27:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:27:44,152 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:44,152 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 00:27:44,153 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:44,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:44,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1461582393, now seen corresponding path program 1 times [2021-10-11 00:27:44,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:44,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114958281] [2021-10-11 00:27:44,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:44,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114958281] [2021-10-11 00:27:44,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:44,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:44,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618102949] [2021-10-11 00:27:44,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:27:44,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:44,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:27:44,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:44,423 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2021-10-11 00:27:44,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:44,446 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2021-10-11 00:27:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:27:44,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:27:44,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:44,457 INFO L225 Difference]: With dead ends: 115 [2021-10-11 00:27:44,457 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 00:27:44,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:44,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 00:27:44,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 00:27:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 00:27:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2021-10-11 00:27:44,497 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2021-10-11 00:27:44,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:44,497 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2021-10-11 00:27:44,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:27:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2021-10-11 00:27:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:27:44,499 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:44,499 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 00:27:44,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:27:44,499 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:44,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:44,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1680418362, now seen corresponding path program 1 times [2021-10-11 00:27:44,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:44,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329444031] [2021-10-11 00:27:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:44,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329444031] [2021-10-11 00:27:44,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:44,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:44,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944975212] [2021-10-11 00:27:44,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:44,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:44,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:44,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:44,680 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2021-10-11 00:27:44,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:44,692 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2021-10-11 00:27:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:44,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:27:44,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:44,695 INFO L225 Difference]: With dead ends: 57 [2021-10-11 00:27:44,695 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 00:27:44,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 00:27:44,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 00:27:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 00:27:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 00:27:44,710 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2021-10-11 00:27:44,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:44,710 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 00:27:44,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:44,711 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 00:27:44,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:27:44,712 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:44,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:44,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:27:44,714 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:44,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:44,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1355159705, now seen corresponding path program 1 times [2021-10-11 00:27:44,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:44,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579913976] [2021-10-11 00:27:44,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:44,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579913976] [2021-10-11 00:27:44,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:44,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:44,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855792333] [2021-10-11 00:27:44,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:44,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:44,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:44,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:44,895 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2021-10-11 00:27:45,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:45,033 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2021-10-11 00:27:45,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:27:45,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:27:45,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:45,035 INFO L225 Difference]: With dead ends: 112 [2021-10-11 00:27:45,035 INFO L226 Difference]: Without dead ends: 90 [2021-10-11 00:27:45,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:27:45,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-10-11 00:27:45,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2021-10-11 00:27:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-10-11 00:27:45,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2021-10-11 00:27:45,054 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2021-10-11 00:27:45,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:45,058 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2021-10-11 00:27:45,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2021-10-11 00:27:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:27:45,059 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:45,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:45,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:27:45,060 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:45,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:45,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1689469663, now seen corresponding path program 1 times [2021-10-11 00:27:45,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:45,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278912443] [2021-10-11 00:27:45,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:45,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278912443] [2021-10-11 00:27:45,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:45,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:45,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233368195] [2021-10-11 00:27:45,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:45,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:45,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:45,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:45,141 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2021-10-11 00:27:45,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:45,219 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2021-10-11 00:27:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:45,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:27:45,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:45,223 INFO L225 Difference]: With dead ends: 132 [2021-10-11 00:27:45,223 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:27:45,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 00:27:45,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:27:45,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:27:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:27:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:27:45,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 00:27:45,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:45,227 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:27:45,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:27:45,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:27:45,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:27:45,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:27:45,405 INFO L258 CegarLoopResult]: At program point L861(lines 1 872) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:27:45,405 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:27:45,405 INFO L262 CegarLoopResult]: For program point L432(lines 431 476) no Hoare annotation was computed. [2021-10-11 00:27:45,405 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:27:45,406 INFO L262 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-11 00:27:45,406 INFO L262 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-11 00:27:45,406 INFO L262 CegarLoopResult]: For program point L467-2(lines 501 507) no Hoare annotation was computed. [2021-10-11 00:27:45,406 INFO L262 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2021-10-11 00:27:45,406 INFO L258 CegarLoopResult]: At program point L451-1(lines 451 457) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:27:45,407 INFO L262 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2021-10-11 00:27:45,407 INFO L262 CegarLoopResult]: For program point L765-3(lines 765 769) no Hoare annotation was computed. [2021-10-11 00:27:45,407 INFO L262 CegarLoopResult]: For program point L765-6(lines 765 769) no Hoare annotation was computed. [2021-10-11 00:27:45,407 INFO L258 CegarLoopResult]: At program point L501(lines 500 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:27:45,407 INFO L262 CegarLoopResult]: For program point L501-1(lines 501 507) no Hoare annotation was computed. [2021-10-11 00:27:45,407 INFO L258 CegarLoopResult]: At program point L501-2(lines 500 519) the Hoare annotation is: false [2021-10-11 00:27:45,408 INFO L258 CegarLoopResult]: At program point L501-3(lines 500 519) the Hoare annotation is: false [2021-10-11 00:27:45,408 INFO L258 CegarLoopResult]: At program point L717(lines 713 719) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:27:45,408 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:27:45,408 INFO L262 CegarLoopResult]: For program point L636(lines 636 653) no Hoare annotation was computed. [2021-10-11 00:27:45,408 INFO L258 CegarLoopResult]: At program point L636-1(lines 1 872) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:27:45,409 INFO L258 CegarLoopResult]: At program point L669-2(lines 669 683) the Hoare annotation is: false [2021-10-11 00:27:45,409 INFO L262 CegarLoopResult]: For program point L636-2(lines 636 653) no Hoare annotation was computed. [2021-10-11 00:27:45,409 INFO L258 CegarLoopResult]: At program point L636-3(lines 1 872) the Hoare annotation is: false [2021-10-11 00:27:45,409 INFO L262 CegarLoopResult]: For program point L636-4(lines 636 653) no Hoare annotation was computed. [2021-10-11 00:27:45,409 INFO L258 CegarLoopResult]: At program point L636-5(lines 1 872) the Hoare annotation is: false [2021-10-11 00:27:45,409 INFO L258 CegarLoopResult]: At program point L802(lines 797 805) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:27:45,410 INFO L258 CegarLoopResult]: At program point L802-1(lines 797 805) the Hoare annotation is: false [2021-10-11 00:27:45,410 INFO L258 CegarLoopResult]: At program point L802-2(lines 797 805) the Hoare annotation is: false [2021-10-11 00:27:45,410 INFO L262 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2021-10-11 00:27:45,410 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:27:45,410 INFO L265 CegarLoopResult]: At program point L753(lines 734 756) the Hoare annotation is: true [2021-10-11 00:27:45,411 INFO L258 CegarLoopResult]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:27:45,411 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:27:45,411 INFO L262 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2021-10-11 00:27:45,411 INFO L258 CegarLoopResult]: At program point L441-1(lines 441 447) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:27:45,411 INFO L262 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2021-10-11 00:27:45,411 INFO L262 CegarLoopResult]: For program point L640(lines 640 650) no Hoare annotation was computed. [2021-10-11 00:27:45,412 INFO L262 CegarLoopResult]: For program point L673-1(lines 501 507) no Hoare annotation was computed. [2021-10-11 00:27:45,412 INFO L262 CegarLoopResult]: For program point L640-2(lines 640 650) no Hoare annotation was computed. [2021-10-11 00:27:45,412 INFO L258 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:27:45,412 INFO L262 CegarLoopResult]: For program point L640-4(lines 640 650) no Hoare annotation was computed. [2021-10-11 00:27:45,412 INFO L258 CegarLoopResult]: At program point L508-1(lines 508 514) the Hoare annotation is: false [2021-10-11 00:27:45,413 INFO L258 CegarLoopResult]: At program point L508-2(lines 508 514) the Hoare annotation is: false [2021-10-11 00:27:45,413 INFO L262 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2021-10-11 00:27:45,413 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:27:45,413 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:27:45,413 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:27:45,413 INFO L262 CegarLoopResult]: For program point L641(lines 641 647) no Hoare annotation was computed. [2021-10-11 00:27:45,414 INFO L262 CegarLoopResult]: For program point L641-2(lines 641 647) no Hoare annotation was computed. [2021-10-11 00:27:45,414 INFO L262 CegarLoopResult]: For program point L641-4(lines 641 647) no Hoare annotation was computed. [2021-10-11 00:27:45,414 INFO L258 CegarLoopResult]: At program point L625(lines 620 627) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:27:45,414 INFO L258 CegarLoopResult]: At program point L477(lines 430 478) the Hoare annotation is: false [2021-10-11 00:27:45,414 INFO L262 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2021-10-11 00:27:45,414 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:27:45,415 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:27:45,415 INFO L258 CegarLoopResult]: At program point L578(lines 573 581) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:27:45,415 INFO L258 CegarLoopResult]: At program point L578-1(lines 573 581) the Hoare annotation is: false [2021-10-11 00:27:45,415 INFO L258 CegarLoopResult]: At program point L578-2(lines 573 581) the Hoare annotation is: false [2021-10-11 00:27:45,415 INFO L262 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2021-10-11 00:27:45,416 INFO L262 CegarLoopResult]: For program point L744(lines 744 751) no Hoare annotation was computed. [2021-10-11 00:27:45,416 INFO L265 CegarLoopResult]: At program point L744-1(lines 744 751) the Hoare annotation is: true [2021-10-11 00:27:45,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:45 BoogieIcfgContainer [2021-10-11 00:27:45,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:27:45,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:27:45,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:27:45,445 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:27:45,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:44" (3/4) ... [2021-10-11 00:27:45,450 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:27:45,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:27:45,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:27:45,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:27:45,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:27:45,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:27:45,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:45,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:45,509 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:27:45,567 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0471eef7-28fb-40cf-b9e9-96ad86f706ae/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:27:45,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:27:45,571 INFO L168 Benchmark]: Toolchain (without parser) took 3080.95 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 53.1 MB in the beginning and 66.5 MB in the end (delta: -13.3 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:45,571 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:45,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.89 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 53.0 MB in the beginning and 77.1 MB in the end (delta: -24.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:45,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.35 ms. Allocated memory is still 111.1 MB. Free memory was 77.1 MB in the beginning and 74.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:45,581 INFO L168 Benchmark]: Boogie Preprocessor took 85.29 ms. Allocated memory is still 111.1 MB. Free memory was 74.3 MB in the beginning and 72.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:45,581 INFO L168 Benchmark]: RCFGBuilder took 903.26 ms. Allocated memory is still 111.1 MB. Free memory was 72.5 MB in the beginning and 65.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:45,581 INFO L168 Benchmark]: TraceAbstraction took 1374.78 ms. Allocated memory is still 111.1 MB. Free memory was 64.4 MB in the beginning and 71.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:45,582 INFO L168 Benchmark]: Witness Printer took 123.82 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 66.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:45,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 471.89 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 53.0 MB in the beginning and 77.1 MB in the end (delta: -24.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.35 ms. Allocated memory is still 111.1 MB. Free memory was 77.1 MB in the beginning and 74.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.29 ms. Allocated memory is still 111.1 MB. Free memory was 74.3 MB in the beginning and 72.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 903.26 ms. Allocated memory is still 111.1 MB. Free memory was 72.5 MB in the beginning and 65.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1374.78 ms. Allocated memory is still 111.1 MB. Free memory was 64.4 MB in the beginning and 71.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. * Witness Printer took 123.82 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 66.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 60 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...