./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD --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 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:49:50,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:49:50,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:49:50,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:49:50,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:49:50,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:49:50,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:49:50,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:49:50,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:49:51,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:49:51,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:49:51,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:49:51,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:49:51,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:49:51,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:49:51,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:49:51,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:49:51,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:49:51,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:49:51,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:49:51,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:49:51,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:49:51,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:49:51,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:49:51,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:49:51,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:49:51,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:49:51,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:49:51,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:49:51,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:49:51,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:49:51,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:49:51,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:49:51,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:49:51,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:49:51,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:49:51,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:49:51,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:49:51,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:49:51,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:49:51,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:49:51,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:49:51,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:49:51,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:49:51,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:49:51,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:49:51,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:49:51,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:49:51,150 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:49:51,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:49:51,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:49:51,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:49:51,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:49:51,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:49:51,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:49:51,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:49:51,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:49:51,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:49:51,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:49:51,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:49:51,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:49:51,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:49:51,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:49:51,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:49:51,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:49:51,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:49:51,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:49:51,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:49:51,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:49:51,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:49:51,158 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:49:51,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:49:51,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:49:51,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:49:51,162 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_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 [2021-10-28 23:49:51,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:49:51,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:49:51,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:49:51,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:49:51,552 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:49:51,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-10-28 23:49:51,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/data/b0811db5f/048779caa6e94ab8a24a5756b39cdae4/FLAGc89d5bea0 [2021-10-28 23:49:52,398 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:49:52,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-10-28 23:49:52,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/data/b0811db5f/048779caa6e94ab8a24a5756b39cdae4/FLAGc89d5bea0 [2021-10-28 23:49:52,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/data/b0811db5f/048779caa6e94ab8a24a5756b39cdae4 [2021-10-28 23:49:52,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:49:52,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:49:52,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:49:52,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:49:52,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:49:52,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:49:52" (1/1) ... [2021-10-28 23:49:52,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724a827d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:52, skipping insertion in model container [2021-10-28 23:49:52,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:49:52" (1/1) ... [2021-10-28 23:49:52,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:49:52,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:49:53,172 WARN L228 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_2a91b407-3c26-465b-bf84-0948702558bc/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c[13030,13043] [2021-10-28 23:49:53,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:49:53,233 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:49:53,301 WARN L228 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_2a91b407-3c26-465b-bf84-0948702558bc/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c[13030,13043] [2021-10-28 23:49:53,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:49:53,361 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:49:53,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53 WrapperNode [2021-10-28 23:49:53,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:49:53,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:49:53,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:49:53,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:49:53,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:49:53,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:49:53,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:49:53,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:49:53,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:49:53,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:49:53,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:49:53,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:49:53,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (1/1) ... [2021-10-28 23:49:53,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:49:53,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:53,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:49:53,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:49:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:49:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:49:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:49:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:49:54,551 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:49:54,552 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-10-28 23:49:54,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:49:54 BoogieIcfgContainer [2021-10-28 23:49:54,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:49:54,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:49:54,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:49:54,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:49:54,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:49:52" (1/3) ... [2021-10-28 23:49:54,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250d869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:49:54, skipping insertion in model container [2021-10-28 23:49:54,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:53" (2/3) ... [2021-10-28 23:49:54,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250d869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:49:54, skipping insertion in model container [2021-10-28 23:49:54,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:49:54" (3/3) ... [2021-10-28 23:49:54,567 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2021-10-28 23:49:54,574 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:49:54,574 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:49:54,634 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:49:54,642 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:49:54,643 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:49:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:49:54,669 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:54,670 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:54,671 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:54,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-10-28 23:49:54,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:54,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704280518] [2021-10-28 23:49:54,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:54,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:55,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:55,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704280518] [2021-10-28 23:49:55,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704280518] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:55,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:55,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:49:55,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362748408] [2021-10-28 23:49:55,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:49:55,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:55,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:49:55,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:49:55,072 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:55,100 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-28 23:49:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:49:55,102 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-28 23:49:55,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:55,112 INFO L225 Difference]: With dead ends: 108 [2021-10-28 23:49:55,113 INFO L226 Difference]: Without dead ends: 53 [2021-10-28 23:49:55,116 INFO L786 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 [2021-10-28 23:49:55,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-28 23:49:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-28 23:49:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-28 23:49:55,159 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-28 23:49:55,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:55,160 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-28 23:49:55,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-28 23:49:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:49:55,162 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:55,163 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:55,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:49:55,163 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:55,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:55,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-10-28 23:49:55,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:55,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390205429] [2021-10-28 23:49:55,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:55,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:55,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:55,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390205429] [2021-10-28 23:49:55,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390205429] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:55,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:55,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:55,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157807063] [2021-10-28 23:49:55,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:55,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:55,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:55,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:55,309 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:55,330 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-28 23:49:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:55,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 23:49:55,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:55,332 INFO L225 Difference]: With dead ends: 53 [2021-10-28 23:49:55,332 INFO L226 Difference]: Without dead ends: 27 [2021-10-28 23:49:55,333 INFO L786 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 [2021-10-28 23:49:55,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-28 23:49:55,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-28 23:49:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-28 23:49:55,369 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-28 23:49:55,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:55,370 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-28 23:49:55,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-28 23:49:55,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:49:55,371 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:55,371 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:55,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:49:55,372 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:55,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:55,373 INFO L85 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-10-28 23:49:55,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:55,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102640764] [2021-10-28 23:49:55,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:55,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:55,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:55,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102640764] [2021-10-28 23:49:55,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102640764] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:55,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:55,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:49:55,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469171250] [2021-10-28 23:49:55,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:49:55,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:55,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:49:55,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:55,521 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:55,630 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-10-28 23:49:55,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:49:55,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-28 23:49:55,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:55,633 INFO L225 Difference]: With dead ends: 109 [2021-10-28 23:49:55,634 INFO L226 Difference]: Without dead ends: 88 [2021-10-28 23:49:55,637 INFO L786 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 [2021-10-28 23:49:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-28 23:49:55,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-10-28 23:49:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-10-28 23:49:55,657 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-10-28 23:49:55,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:55,658 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-10-28 23:49:55,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-10-28 23:49:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 23:49:55,660 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:55,660 INFO L513 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] [2021-10-28 23:49:55,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:49:55,661 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:55,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2021-10-28 23:49:55,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:55,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192484637] [2021-10-28 23:49:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:55,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:55,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:55,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192484637] [2021-10-28 23:49:55,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192484637] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:55,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:55,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:49:55,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160149483] [2021-10-28 23:49:55,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:49:55,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:55,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:49:55,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:55,777 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:55,853 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-10-28 23:49:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:49:55,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-28 23:49:55,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:55,856 INFO L225 Difference]: With dead ends: 130 [2021-10-28 23:49:55,856 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:49:55,859 INFO L786 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 [2021-10-28 23:49:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:49:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:49:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:49:55,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-28 23:49:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:55,861 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:49:55,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:49:55,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:49:55,864 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:49:55,865 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:49:55,866 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:49:55,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:49:55,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:49:55,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:55,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:56,083 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-10-28 23:49:56,083 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:49:56,084 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-10-28 23:49:56,084 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 659 665) no Hoare annotation was computed. [2021-10-28 23:49:56,084 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-28 23:49:56,085 INFO L857 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2021-10-28 23:49:56,085 INFO L857 garLoopResultBuilder]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2021-10-28 23:49:56,085 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-10-28 23:49:56,087 INFO L853 garLoopResultBuilder]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:49:56,088 INFO L853 garLoopResultBuilder]: At program point L666(lines 666 672) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:49:56,088 INFO L853 garLoopResultBuilder]: At program point L666-1(lines 666 672) the Hoare annotation is: false [2021-10-28 23:49:56,089 INFO L853 garLoopResultBuilder]: At program point L666-2(lines 666 672) the Hoare annotation is: false [2021-10-28 23:49:56,089 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 641) no Hoare annotation was computed. [2021-10-28 23:49:56,089 INFO L860 garLoopResultBuilder]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2021-10-28 23:49:56,090 INFO L853 garLoopResultBuilder]: At program point L833(lines 786 834) the Hoare annotation is: false [2021-10-28 23:49:56,090 INFO L853 garLoopResultBuilder]: At program point L503(lines 498 506) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:49:56,091 INFO L853 garLoopResultBuilder]: At program point L503-1(lines 498 506) the Hoare annotation is: false [2021-10-28 23:49:56,091 INFO L853 garLoopResultBuilder]: At program point L503-2(lines 498 506) the Hoare annotation is: false [2021-10-28 23:49:56,091 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 863) no Hoare annotation was computed. [2021-10-28 23:49:56,091 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 828) no Hoare annotation was computed. [2021-10-28 23:49:56,092 INFO L853 garLoopResultBuilder]: At program point L850-1(lines 1 866) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:49:56,092 INFO L857 garLoopResultBuilder]: For program point L850-2(lines 850 863) no Hoare annotation was computed. [2021-10-28 23:49:56,092 INFO L853 garLoopResultBuilder]: At program point L850-3(lines 1 866) the Hoare annotation is: false [2021-10-28 23:49:56,092 INFO L857 garLoopResultBuilder]: For program point L850-4(lines 850 863) no Hoare annotation was computed. [2021-10-28 23:49:56,093 INFO L853 garLoopResultBuilder]: At program point L850-5(lines 1 866) the Hoare annotation is: false [2021-10-28 23:49:56,093 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:49:56,093 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 866) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 23:49:56,093 INFO L853 garLoopResultBuilder]: At program point L736(lines 731 739) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 23:49:56,094 INFO L853 garLoopResultBuilder]: At program point L736-1(lines 731 739) the Hoare annotation is: false [2021-10-28 23:49:56,095 INFO L853 garLoopResultBuilder]: At program point L736-2(lines 731 739) the Hoare annotation is: false [2021-10-28 23:49:56,099 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-10-28 23:49:56,100 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-10-28 23:49:56,100 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:49:56,101 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 860) no Hoare annotation was computed. [2021-10-28 23:49:56,103 INFO L857 garLoopResultBuilder]: For program point L788(lines 787 832) no Hoare annotation was computed. [2021-10-28 23:49:56,107 INFO L857 garLoopResultBuilder]: For program point L854-2(lines 854 860) no Hoare annotation was computed. [2021-10-28 23:49:56,107 INFO L857 garLoopResultBuilder]: For program point L854-4(lines 854 860) no Hoare annotation was computed. [2021-10-28 23:49:56,108 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2021-10-28 23:49:56,108 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-10-28 23:49:56,109 INFO L857 garLoopResultBuilder]: For program point L823-2(lines 659 665) no Hoare annotation was computed. [2021-10-28 23:49:56,110 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-10-28 23:49:56,110 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 807 813) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:49:56,110 INFO L853 garLoopResultBuilder]: At program point L659(lines 658 677) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:49:56,111 INFO L857 garLoopResultBuilder]: For program point L659-1(lines 659 665) no Hoare annotation was computed. [2021-10-28 23:49:56,111 INFO L853 garLoopResultBuilder]: At program point L659-2(lines 658 677) the Hoare annotation is: false [2021-10-28 23:49:56,112 INFO L853 garLoopResultBuilder]: At program point L659-3(lines 658 677) the Hoare annotation is: false [2021-10-28 23:49:56,112 INFO L860 garLoopResultBuilder]: At program point L643(lines 624 646) the Hoare annotation is: true [2021-10-28 23:49:56,112 INFO L853 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 23:49:56,112 INFO L857 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2021-10-28 23:49:56,113 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:49:56,113 INFO L857 garLoopResultBuilder]: For program point L544-1(line 544) no Hoare annotation was computed. [2021-10-28 23:49:56,113 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 482) no Hoare annotation was computed. [2021-10-28 23:49:56,113 INFO L857 garLoopResultBuilder]: For program point L544-2(line 544) no Hoare annotation was computed. [2021-10-28 23:49:56,114 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-10-28 23:49:56,114 INFO L853 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: false [2021-10-28 23:49:56,114 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 23:49:56,114 INFO L857 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-10-28 23:49:56,118 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 23:49:56,120 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:49:56,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:49:56 BoogieIcfgContainer [2021-10-28 23:49:56,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:49:56,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:49:56,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:49:56,144 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:49:56,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:49:54" (3/4) ... [2021-10-28 23:49:56,148 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:49:56,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:49:56,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:49:56,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:49:56,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:49:56,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:49:56,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:49:56,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:49:56,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 23:49:56,246 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:49:56,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:49:56,248 INFO L168 Benchmark]: Toolchain (without parser) took 3588.87 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 85.9 MB in the beginning and 69.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:56,248 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 117.4 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:49:56,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.34 ms. Allocated memory is still 117.4 MB. Free memory was 85.6 MB in the beginning and 83.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:56,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.28 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 80.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:56,250 INFO L168 Benchmark]: Boogie Preprocessor took 82.82 ms. Allocated memory is still 117.4 MB. Free memory was 80.6 MB in the beginning and 78.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:56,251 INFO L168 Benchmark]: RCFGBuilder took 1003.53 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 78.6 MB in the beginning and 101.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:56,251 INFO L168 Benchmark]: TraceAbstraction took 1584.80 ms. Allocated memory is still 142.6 MB. Free memory was 100.8 MB in the beginning and 74.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:56,252 INFO L168 Benchmark]: Witness Printer took 102.70 ms. Allocated memory is still 142.6 MB. Free memory was 74.6 MB in the beginning and 69.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:56,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 117.4 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 700.34 ms. Allocated memory is still 117.4 MB. Free memory was 85.6 MB in the beginning and 83.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.28 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 80.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.82 ms. Allocated memory is still 117.4 MB. Free memory was 80.6 MB in the beginning and 78.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1003.53 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 78.6 MB in the beginning and 101.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1584.80 ms. Allocated memory is still 142.6 MB. Free memory was 100.8 MB in the beginning and 74.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * Witness Printer took 102.70 ms. Allocated memory is still 142.6 MB. Free memory was 74.6 MB in the beginning and 69.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 544]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 544]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 544]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:49:56,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91b407-3c26-465b-bf84-0948702558bc/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...