./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be --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 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:48:12,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:48:12,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:48:12,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:48:12,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:48:12,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:48:12,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:48:12,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:48:12,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:48:12,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:48:12,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:48:12,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:48:12,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:48:12,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:48:12,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:48:12,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:48:12,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:48:12,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:48:12,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:48:12,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:48:12,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:48:12,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:48:12,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:48:12,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:48:12,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:48:12,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:48:12,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:48:12,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:48:12,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:48:12,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:48:12,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:48:12,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:48:12,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:48:13,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:48:13,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:48:13,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:48:13,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:48:13,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:48:13,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:48:13,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:48:13,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:48:13,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:48:13,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:48:13,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:48:13,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:48:13,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:48:13,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:48:13,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:48:13,057 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:48:13,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:48:13,057 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:48:13,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:48:13,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:48:13,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:48:13,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:48:13,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:48:13,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:48:13,059 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:48:13,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:48:13,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:48:13,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:48:13,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:48:13,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:48:13,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:48:13,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:48:13,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:48:13,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:48:13,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:48:13,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:48:13,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:48:13,063 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:48:13,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:48:13,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:48:13,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:48:13,063 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_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c [2021-10-21 19:48:13,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:48:13,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:48:13,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:48:13,422 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:48:13,423 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:48:13,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2021-10-21 19:48:13,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/data/6e103f618/dde231cdac9c4faf9ecc200e7dadfbb5/FLAG100ccd0c0 [2021-10-21 19:48:14,172 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:48:14,173 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2021-10-21 19:48:14,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/data/6e103f618/dde231cdac9c4faf9ecc200e7dadfbb5/FLAG100ccd0c0 [2021-10-21 19:48:14,395 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/data/6e103f618/dde231cdac9c4faf9ecc200e7dadfbb5 [2021-10-21 19:48:14,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:48:14,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:48:14,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:48:14,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:48:14,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:48:14,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:48:14" (1/1) ... [2021-10-21 19:48:14,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d26cf3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:14, skipping insertion in model container [2021-10-21 19:48:14,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:48:14" (1/1) ... [2021-10-21 19:48:14,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:48:14,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:48:14,698 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_f2b532fb-e4f7-425c-9b12-74895897c51a/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1605,1618] [2021-10-21 19:48:14,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:48:14,899 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:48:14,913 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_f2b532fb-e4f7-425c-9b12-74895897c51a/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1605,1618] [2021-10-21 19:48:14,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:48:15,023 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:48:15,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15 WrapperNode [2021-10-21 19:48:15,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:48:15,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:48:15,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:48:15,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:48:15,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:48:15,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:48:15,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:48:15,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:48:15,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:48:15,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:48:15,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:48:15,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:48:15,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (1/1) ... [2021-10-21 19:48:15,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:48:15,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:48:15,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:48:15,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:48:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:48:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:48:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:48:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:48:16,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:48:16,515 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-21 19:48:16,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:48:16 BoogieIcfgContainer [2021-10-21 19:48:16,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:48:16,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:48:16,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:48:16,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:48:16,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:48:14" (1/3) ... [2021-10-21 19:48:16,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2dd9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:48:16, skipping insertion in model container [2021-10-21 19:48:16,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:48:15" (2/3) ... [2021-10-21 19:48:16,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2dd9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:48:16, skipping insertion in model container [2021-10-21 19:48:16,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:48:16" (3/3) ... [2021-10-21 19:48:16,530 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2021-10-21 19:48:16,543 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:48:16,544 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:48:16,601 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:48:16,608 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 [2021-10-21 19:48:16,613 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:48:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-10-21 19:48:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:48:16,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:16,644 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:16,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:16,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:16,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2021-10-21 19:48:16,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:16,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203879480] [2021-10-21 19:48:16,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:16,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:16,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:16,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203879480] [2021-10-21 19:48:16,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203879480] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:16,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:16,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:48:16,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416476957] [2021-10-21 19:48:16,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:48:16,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:16,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:48:16,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:48:16,979 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-10-21 19:48:17,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:17,040 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-21 19:48:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:48:17,042 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 [2021-10-21 19:48:17,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:17,061 INFO L225 Difference]: With dead ends: 264 [2021-10-21 19:48:17,061 INFO L226 Difference]: Without dead ends: 131 [2021-10-21 19:48:17,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:48:17,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-21 19:48:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-21 19:48:17,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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) [2021-10-21 19:48:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-21 19:48:17,168 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-10-21 19:48:17,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:17,170 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-21 19:48:17,170 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) [2021-10-21 19:48:17,171 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-21 19:48:17,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:48:17,173 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:17,173 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:17,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:48:17,174 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:17,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:17,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2021-10-21 19:48:17,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:17,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782540855] [2021-10-21 19:48:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:17,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:17,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:17,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782540855] [2021-10-21 19:48:17,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782540855] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:17,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:17,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:48:17,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451036401] [2021-10-21 19:48:17,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:48:17,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:48:17,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:48:17,383 INFO L87 Difference]: Start difference. First operand 131 states and 189 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) [2021-10-21 19:48:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:17,398 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-21 19:48:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:48:17,399 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 [2021-10-21 19:48:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:17,400 INFO L225 Difference]: With dead ends: 131 [2021-10-21 19:48:17,400 INFO L226 Difference]: Without dead ends: 53 [2021-10-21 19:48:17,402 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:48:17,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-21 19:48:17,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-21 19:48:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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) [2021-10-21 19:48:17,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-21 19:48:17,409 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-21 19:48:17,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:17,409 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-21 19:48:17,410 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) [2021-10-21 19:48:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-21 19:48:17,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:48:17,411 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:17,412 INFO L512 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] [2021-10-21 19:48:17,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:48:17,412 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:17,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:17,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2021-10-21 19:48:17,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:17,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46291396] [2021-10-21 19:48:17,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:17,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:17,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:17,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46291396] [2021-10-21 19:48:17,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46291396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:17,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:17,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:48:17,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135270273] [2021-10-21 19:48:17,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:48:17,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:17,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:48:17,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:48:17,511 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-10-21 19:48:17,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:17,544 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-21 19:48:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:48:17,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 [2021-10-21 19:48:17,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:17,546 INFO L225 Difference]: With dead ends: 100 [2021-10-21 19:48:17,546 INFO L226 Difference]: Without dead ends: 53 [2021-10-21 19:48:17,547 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:48:17,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-21 19:48:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-21 19:48:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 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) [2021-10-21 19:48:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-21 19:48:17,552 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-10-21 19:48:17,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:17,553 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-21 19:48:17,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-10-21 19:48:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-21 19:48:17,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:48:17,554 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:17,554 INFO L512 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] [2021-10-21 19:48:17,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:48:17,555 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:17,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:17,556 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2021-10-21 19:48:17,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:17,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437217182] [2021-10-21 19:48:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:17,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:17,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:17,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437217182] [2021-10-21 19:48:17,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437217182] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:17,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:17,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:48:17,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133454072] [2021-10-21 19:48:17,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:48:17,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:17,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:48:17,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:48:17,621 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2021-10-21 19:48:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:17,665 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-10-21 19:48:17,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:48:17,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 24 [2021-10-21 19:48:17,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:17,667 INFO L225 Difference]: With dead ends: 121 [2021-10-21 19:48:17,667 INFO L226 Difference]: Without dead ends: 74 [2021-10-21 19:48:17,668 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:48:17,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-21 19:48:17,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-10-21 19:48:17,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 71 states have internal predecessors, (101), 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) [2021-10-21 19:48:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-10-21 19:48:17,678 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-10-21 19:48:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:17,679 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-10-21 19:48:17,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2021-10-21 19:48:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-10-21 19:48:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-21 19:48:17,681 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:17,681 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:17,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:48:17,682 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:17,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:17,686 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2021-10-21 19:48:17,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:17,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434189805] [2021-10-21 19:48:17,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:17,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:17,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:17,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434189805] [2021-10-21 19:48:17,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434189805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:17,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:17,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:48:17,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428246791] [2021-10-21 19:48:17,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:48:17,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:17,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:48:17,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:48:17,838 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-10-21 19:48:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:17,985 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2021-10-21 19:48:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:48:17,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2021-10-21 19:48:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:17,991 INFO L225 Difference]: With dead ends: 372 [2021-10-21 19:48:17,991 INFO L226 Difference]: Without dead ends: 306 [2021-10-21 19:48:17,993 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 37.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:48:17,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-21 19:48:18,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2021-10-21 19:48:18,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4122137404580153) internal successors, (185), 131 states have internal predecessors, (185), 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) [2021-10-21 19:48:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2021-10-21 19:48:18,058 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2021-10-21 19:48:18,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:18,059 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2021-10-21 19:48:18,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-10-21 19:48:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2021-10-21 19:48:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-21 19:48:18,064 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:18,064 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:18,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:48:18,065 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:18,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:18,066 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2021-10-21 19:48:18,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:18,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577443582] [2021-10-21 19:48:18,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:18,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:18,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:18,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:18,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577443582] [2021-10-21 19:48:18,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577443582] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:18,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:18,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:48:18,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141941378] [2021-10-21 19:48:18,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:48:18,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:18,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:48:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:48:18,193 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-10-21 19:48:18,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:18,321 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2021-10-21 19:48:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:48:18,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2021-10-21 19:48:18,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:18,325 INFO L225 Difference]: With dead ends: 378 [2021-10-21 19:48:18,325 INFO L226 Difference]: Without dead ends: 376 [2021-10-21 19:48:18,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 37.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:48:18,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-10-21 19:48:18,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-10-21 19:48:18,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4045801526717556) internal successors, (184), 131 states have internal predecessors, (184), 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) [2021-10-21 19:48:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2021-10-21 19:48:18,341 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2021-10-21 19:48:18,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:18,341 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2021-10-21 19:48:18,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-10-21 19:48:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-10-21 19:48:18,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:48:18,343 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:18,343 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:18,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:48:18,343 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:18,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:18,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2021-10-21 19:48:18,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:18,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929178098] [2021-10-21 19:48:18,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:18,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:18,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:18,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929178098] [2021-10-21 19:48:18,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929178098] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:18,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:18,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:48:18,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613392311] [2021-10-21 19:48:18,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:48:18,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:18,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:48:18,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:48:18,439 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-21 19:48:18,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:18,550 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2021-10-21 19:48:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:48:18,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-21 19:48:18,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:18,555 INFO L225 Difference]: With dead ends: 344 [2021-10-21 19:48:18,555 INFO L226 Difference]: Without dead ends: 218 [2021-10-21 19:48:18,559 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:48:18,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-21 19:48:18,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2021-10-21 19:48:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.3706293706293706) internal successors, (196), 143 states have internal predecessors, (196), 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) [2021-10-21 19:48:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2021-10-21 19:48:18,579 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2021-10-21 19:48:18,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:18,580 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2021-10-21 19:48:18,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-21 19:48:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2021-10-21 19:48:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:48:18,585 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:18,585 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:18,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:48:18,585 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:18,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2021-10-21 19:48:18,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:18,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329866969] [2021-10-21 19:48:18,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:18,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:18,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:18,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329866969] [2021-10-21 19:48:18,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329866969] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:18,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:18,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:48:18,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242764809] [2021-10-21 19:48:18,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:48:18,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:18,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:48:18,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:48:18,690 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-21 19:48:18,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:18,743 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2021-10-21 19:48:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:48:18,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-10-21 19:48:18,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:18,745 INFO L225 Difference]: With dead ends: 340 [2021-10-21 19:48:18,746 INFO L226 Difference]: Without dead ends: 202 [2021-10-21 19:48:18,747 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:48:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-10-21 19:48:18,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2021-10-21 19:48:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 151 states have internal predecessors, (204), 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) [2021-10-21 19:48:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2021-10-21 19:48:18,764 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2021-10-21 19:48:18,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:18,766 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2021-10-21 19:48:18,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-21 19:48:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2021-10-21 19:48:18,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:48:18,769 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:18,769 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:18,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:48:18,770 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:18,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:18,771 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2021-10-21 19:48:18,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:18,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853336475] [2021-10-21 19:48:18,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:18,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:18,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:18,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853336475] [2021-10-21 19:48:18,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853336475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:18,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:18,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:48:18,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908046664] [2021-10-21 19:48:18,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:48:18,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:18,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:48:18,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:48:18,848 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-10-21 19:48:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:18,900 INFO L93 Difference]: Finished difference Result 404 states and 548 transitions. [2021-10-21 19:48:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:48:18,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-10-21 19:48:18,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:18,902 INFO L225 Difference]: With dead ends: 404 [2021-10-21 19:48:18,903 INFO L226 Difference]: Without dead ends: 258 [2021-10-21 19:48:18,907 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:48:18,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-10-21 19:48:18,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 256. [2021-10-21 19:48:18,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.3372549019607842) internal successors, (341), 255 states have internal predecessors, (341), 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) [2021-10-21 19:48:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 341 transitions. [2021-10-21 19:48:18,944 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 341 transitions. Word has length 34 [2021-10-21 19:48:18,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:18,945 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 341 transitions. [2021-10-21 19:48:18,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-10-21 19:48:18,946 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 341 transitions. [2021-10-21 19:48:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-21 19:48:18,947 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:18,948 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:18,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:48:18,949 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:18,950 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2021-10-21 19:48:18,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:18,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389329172] [2021-10-21 19:48:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:18,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:19,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:19,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389329172] [2021-10-21 19:48:19,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389329172] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:19,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:19,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 19:48:19,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092609605] [2021-10-21 19:48:19,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:48:19,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:19,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:48:19,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:48:19,071 INFO L87 Difference]: Start difference. First operand 256 states and 341 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2021-10-21 19:48:19,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:19,805 INFO L93 Difference]: Finished difference Result 1342 states and 1751 transitions. [2021-10-21 19:48:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-21 19:48:19,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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 35 [2021-10-21 19:48:19,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:19,813 INFO L225 Difference]: With dead ends: 1342 [2021-10-21 19:48:19,813 INFO L226 Difference]: Without dead ends: 1092 [2021-10-21 19:48:19,815 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 214.8ms TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-10-21 19:48:19,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2021-10-21 19:48:19,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 256. [2021-10-21 19:48:19,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.3137254901960784) internal successors, (335), 255 states have internal predecessors, (335), 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) [2021-10-21 19:48:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2021-10-21 19:48:19,856 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 35 [2021-10-21 19:48:19,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:19,856 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2021-10-21 19:48:19,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2021-10-21 19:48:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2021-10-21 19:48:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-21 19:48:19,858 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:19,858 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:19,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:48:19,858 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:19,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:19,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1267099237, now seen corresponding path program 1 times [2021-10-21 19:48:19,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:19,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318071473] [2021-10-21 19:48:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:19,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:48:20,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:20,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318071473] [2021-10-21 19:48:20,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318071473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:20,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:48:20,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:48:20,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798523757] [2021-10-21 19:48:20,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:48:20,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:20,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:48:20,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:48:20,024 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2021-10-21 19:48:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:20,376 INFO L93 Difference]: Finished difference Result 1330 states and 1740 transitions. [2021-10-21 19:48:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:48:20,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 56 [2021-10-21 19:48:20,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:20,386 INFO L225 Difference]: With dead ends: 1330 [2021-10-21 19:48:20,386 INFO L226 Difference]: Without dead ends: 1080 [2021-10-21 19:48:20,387 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 54.0ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:48:20,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2021-10-21 19:48:20,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 472. [2021-10-21 19:48:20,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 1.3014861995753715) internal successors, (613), 471 states have internal predecessors, (613), 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) [2021-10-21 19:48:20,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 613 transitions. [2021-10-21 19:48:20,467 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 613 transitions. Word has length 56 [2021-10-21 19:48:20,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:20,468 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 613 transitions. [2021-10-21 19:48:20,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2021-10-21 19:48:20,468 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 613 transitions. [2021-10-21 19:48:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-21 19:48:20,470 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:48:20,470 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:48:20,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:48:20,471 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:48:20,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:48:20,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1968163815, now seen corresponding path program 1 times [2021-10-21 19:48:20,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:48:20,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368423714] [2021-10-21 19:48:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:20,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:48:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-21 19:48:20,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:48:20,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368423714] [2021-10-21 19:48:20,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368423714] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:48:20,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999875171] [2021-10-21 19:48:20,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:48:20,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:48:20,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:48:20,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:48:20,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:48:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:48:20,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:48:20,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:48:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:48:21,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999875171] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:48:21,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:48:21,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-10-21 19:48:21,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300158597] [2021-10-21 19:48:21,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:48:21,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:48:21,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:48:21,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:48:21,088 INFO L87 Difference]: Start difference. First operand 472 states and 613 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2021-10-21 19:48:21,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:48:21,212 INFO L93 Difference]: Finished difference Result 816 states and 1046 transitions. [2021-10-21 19:48:21,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:48:21,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 56 [2021-10-21 19:48:21,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:48:21,213 INFO L225 Difference]: With dead ends: 816 [2021-10-21 19:48:21,214 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:48:21,215 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 76.9ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:48:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:48:21,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:48:21,216 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) [2021-10-21 19:48:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:48:21,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-21 19:48:21,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:48:21,216 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:48:21,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2021-10-21 19:48:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:48:21,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:48:21,220 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:48:21,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:48:21,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:48:21,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:48:21,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-21 19:48:21,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:48:21,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:21,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:21,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:21,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:21,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:21,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:21,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:21,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:22,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:23,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:23,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:23,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:23,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:23,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:23,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:23,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:29,436 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:48:29,437 INFO L860 garLoopResultBuilder]: At program point L267(lines 248 270) the Hoare annotation is: true [2021-10-21 19:48:29,437 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2021-10-21 19:48:29,437 INFO L853 garLoopResultBuilder]: At program point L468(lines 453 471) the Hoare annotation is: false [2021-10-21 19:48:29,438 INFO L853 garLoopResultBuilder]: At program point L468-1(lines 453 471) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse6) (and .cse0 .cse1 .cse8 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse5))) [2021-10-21 19:48:29,438 INFO L853 garLoopResultBuilder]: At program point L468-2(lines 453 471) the Hoare annotation is: false [2021-10-21 19:48:29,438 INFO L853 garLoopResultBuilder]: At program point L468-3(lines 453 471) the Hoare annotation is: false [2021-10-21 19:48:29,438 INFO L853 garLoopResultBuilder]: At program point L468-4(lines 453 471) the Hoare annotation is: false [2021-10-21 19:48:29,439 INFO L853 garLoopResultBuilder]: At program point L468-5(lines 453 471) the Hoare annotation is: false [2021-10-21 19:48:29,439 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2021-10-21 19:48:29,439 INFO L857 garLoopResultBuilder]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2021-10-21 19:48:29,439 INFO L857 garLoopResultBuilder]: For program point L73-6(lines 73 77) no Hoare annotation was computed. [2021-10-21 19:48:29,439 INFO L853 garLoopResultBuilder]: At program point L404(lines 397 407) the Hoare annotation is: false [2021-10-21 19:48:29,440 INFO L853 garLoopResultBuilder]: At program point L404-1(lines 397 407) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 (not .cse3) .cse4 (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse2 .cse4))) [2021-10-21 19:48:29,440 INFO L853 garLoopResultBuilder]: At program point L404-2(lines 397 407) the Hoare annotation is: false [2021-10-21 19:48:29,440 INFO L853 garLoopResultBuilder]: At program point L404-3(lines 397 407) the Hoare annotation is: false [2021-10-21 19:48:29,440 INFO L853 garLoopResultBuilder]: At program point L404-4(lines 397 407) the Hoare annotation is: false [2021-10-21 19:48:29,441 INFO L853 garLoopResultBuilder]: At program point L404-5(lines 397 407) the Hoare annotation is: false [2021-10-21 19:48:29,441 INFO L857 garLoopResultBuilder]: For program point L537(lines 536 583) no Hoare annotation was computed. [2021-10-21 19:48:29,441 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2021-10-21 19:48:29,441 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:48:29,441 INFO L853 garLoopResultBuilder]: At program point L110(lines 105 113) the Hoare annotation is: false [2021-10-21 19:48:29,442 INFO L853 garLoopResultBuilder]: At program point L110-1(lines 105 113) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse2 .cse4))) [2021-10-21 19:48:29,442 INFO L853 garLoopResultBuilder]: At program point L110-2(lines 105 113) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3))) [2021-10-21 19:48:29,442 INFO L853 garLoopResultBuilder]: At program point L110-3(lines 105 113) the Hoare annotation is: false [2021-10-21 19:48:29,442 INFO L853 garLoopResultBuilder]: At program point L110-4(lines 105 113) the Hoare annotation is: false [2021-10-21 19:48:29,442 INFO L853 garLoopResultBuilder]: At program point L110-5(lines 105 113) the Hoare annotation is: false [2021-10-21 19:48:29,443 INFO L853 garLoopResultBuilder]: At program point L110-6(lines 105 113) the Hoare annotation is: false [2021-10-21 19:48:29,443 INFO L853 garLoopResultBuilder]: At program point L110-7(lines 105 113) the Hoare annotation is: false [2021-10-21 19:48:29,443 INFO L853 garLoopResultBuilder]: At program point L110-8(lines 105 113) the Hoare annotation is: false [2021-10-21 19:48:29,443 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 359) no Hoare annotation was computed. [2021-10-21 19:48:29,443 INFO L857 garLoopResultBuilder]: For program point L342-1(lines 342 359) no Hoare annotation was computed. [2021-10-21 19:48:29,444 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 359) no Hoare annotation was computed. [2021-10-21 19:48:29,444 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2021-10-21 19:48:29,444 INFO L853 garLoopResultBuilder]: At program point L574-2(lines 284 290) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6) (and .cse0 .cse1 .cse3 .cse6 .cse4) (and .cse0 .cse2 .cse5 .cse3))) [2021-10-21 19:48:29,444 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-21 19:48:29,445 INFO L853 garLoopResultBuilder]: At program point L508-1(lines 1 992) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)))) [2021-10-21 19:48:29,445 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-21 19:48:29,445 INFO L853 garLoopResultBuilder]: At program point L508-3(lines 1 992) the Hoare annotation is: false [2021-10-21 19:48:29,445 INFO L857 garLoopResultBuilder]: For program point L508-4(lines 508 521) no Hoare annotation was computed. [2021-10-21 19:48:29,445 INFO L853 garLoopResultBuilder]: At program point L508-5(lines 1 992) the Hoare annotation is: false [2021-10-21 19:48:29,446 INFO L857 garLoopResultBuilder]: For program point L379(lines 379 385) no Hoare annotation was computed. [2021-10-21 19:48:29,446 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 354) no Hoare annotation was computed. [2021-10-21 19:48:29,446 INFO L857 garLoopResultBuilder]: For program point L379-2(lines 379 385) no Hoare annotation was computed. [2021-10-21 19:48:29,446 INFO L857 garLoopResultBuilder]: For program point L346-1(lines 346 354) no Hoare annotation was computed. [2021-10-21 19:48:29,446 INFO L857 garLoopResultBuilder]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2021-10-21 19:48:29,447 INFO L857 garLoopResultBuilder]: For program point L379-4(lines 379 385) no Hoare annotation was computed. [2021-10-21 19:48:29,447 INFO L857 garLoopResultBuilder]: For program point L379-6(lines 379 385) no Hoare annotation was computed. [2021-10-21 19:48:29,447 INFO L857 garLoopResultBuilder]: For program point L379-8(lines 379 385) no Hoare annotation was computed. [2021-10-21 19:48:29,447 INFO L857 garLoopResultBuilder]: For program point L379-10(lines 379 385) no Hoare annotation was computed. [2021-10-21 19:48:29,447 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2021-10-21 19:48:29,448 INFO L857 garLoopResultBuilder]: For program point L512-2(lines 512 518) no Hoare annotation was computed. [2021-10-21 19:48:29,448 INFO L853 garLoopResultBuilder]: At program point L413(lines 408 416) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 1) (<= 1 ~waterLevel~0)) [2021-10-21 19:48:29,448 INFO L853 garLoopResultBuilder]: At program point L413-1(lines 408 416) the Hoare annotation is: false [2021-10-21 19:48:29,448 INFO L857 garLoopResultBuilder]: For program point L512-4(lines 512 518) no Hoare annotation was computed. [2021-10-21 19:48:29,448 INFO L853 garLoopResultBuilder]: At program point L413-2(lines 408 416) the Hoare annotation is: false [2021-10-21 19:48:29,449 INFO L853 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: false [2021-10-21 19:48:29,449 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2021-10-21 19:48:29,449 INFO L853 garLoopResultBuilder]: At program point L546-1(lines 546 552) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)))) [2021-10-21 19:48:29,449 INFO L857 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-10-21 19:48:29,449 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2021-10-21 19:48:29,450 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 150 156) no Hoare annotation was computed. [2021-10-21 19:48:29,450 INFO L857 garLoopResultBuilder]: For program point L150-2(lines 150 156) no Hoare annotation was computed. [2021-10-21 19:48:29,450 INFO L857 garLoopResultBuilder]: For program point L150-3(lines 150 156) no Hoare annotation was computed. [2021-10-21 19:48:29,450 INFO L857 garLoopResultBuilder]: For program point L150-4(lines 150 156) no Hoare annotation was computed. [2021-10-21 19:48:29,450 INFO L857 garLoopResultBuilder]: For program point L150-5(lines 150 156) no Hoare annotation was computed. [2021-10-21 19:48:29,451 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2021-10-21 19:48:29,451 INFO L857 garLoopResultBuilder]: For program point L481-2(lines 481 485) no Hoare annotation was computed. [2021-10-21 19:48:29,451 INFO L857 garLoopResultBuilder]: For program point L481-3(lines 481 485) no Hoare annotation was computed. [2021-10-21 19:48:29,451 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 333) no Hoare annotation was computed. [2021-10-21 19:48:29,451 INFO L857 garLoopResultBuilder]: For program point L481-5(lines 481 485) no Hoare annotation was computed. [2021-10-21 19:48:29,452 INFO L857 garLoopResultBuilder]: For program point L316-1(lines 316 333) no Hoare annotation was computed. [2021-10-21 19:48:29,452 INFO L857 garLoopResultBuilder]: For program point L481-6(lines 481 485) no Hoare annotation was computed. [2021-10-21 19:48:29,452 INFO L857 garLoopResultBuilder]: For program point L316-2(lines 316 333) no Hoare annotation was computed. [2021-10-21 19:48:29,452 INFO L857 garLoopResultBuilder]: For program point L316-3(lines 316 333) no Hoare annotation was computed. [2021-10-21 19:48:29,452 INFO L857 garLoopResultBuilder]: For program point L481-8(lines 481 485) no Hoare annotation was computed. [2021-10-21 19:48:29,453 INFO L857 garLoopResultBuilder]: For program point L316-4(lines 316 333) no Hoare annotation was computed. [2021-10-21 19:48:29,453 INFO L857 garLoopResultBuilder]: For program point L316-5(lines 316 333) no Hoare annotation was computed. [2021-10-21 19:48:29,453 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 89) no Hoare annotation was computed. [2021-10-21 19:48:29,453 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:48:29,453 INFO L853 garLoopResultBuilder]: At program point L284(lines 283 302) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2))) [2021-10-21 19:48:29,454 INFO L857 garLoopResultBuilder]: For program point L284-1(lines 284 290) no Hoare annotation was computed. [2021-10-21 19:48:29,454 INFO L853 garLoopResultBuilder]: At program point L284-2(lines 283 302) the Hoare annotation is: false [2021-10-21 19:48:29,454 INFO L853 garLoopResultBuilder]: At program point L284-3(lines 283 302) the Hoare annotation is: false [2021-10-21 19:48:29,454 INFO L853 garLoopResultBuilder]: At program point L615(lines 1 992) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:48:29,454 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-10-21 19:48:29,455 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 284 290) no Hoare annotation was computed. [2021-10-21 19:48:29,455 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-21 19:48:29,455 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-21 19:48:29,455 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-21 19:48:29,455 INFO L853 garLoopResultBuilder]: At program point L584(lines 535 585) the Hoare annotation is: false [2021-10-21 19:48:29,456 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 328) no Hoare annotation was computed. [2021-10-21 19:48:29,456 INFO L857 garLoopResultBuilder]: For program point L320-1(lines 320 328) no Hoare annotation was computed. [2021-10-21 19:48:29,456 INFO L857 garLoopResultBuilder]: For program point L320-2(lines 320 328) no Hoare annotation was computed. [2021-10-21 19:48:29,456 INFO L857 garLoopResultBuilder]: For program point L320-3(lines 320 328) no Hoare annotation was computed. [2021-10-21 19:48:29,456 INFO L857 garLoopResultBuilder]: For program point L320-4(lines 320 328) no Hoare annotation was computed. [2021-10-21 19:48:29,457 INFO L853 garLoopResultBuilder]: At program point L155(lines 146 159) the Hoare annotation is: false [2021-10-21 19:48:29,457 INFO L857 garLoopResultBuilder]: For program point L320-5(lines 320 328) no Hoare annotation was computed. [2021-10-21 19:48:29,457 INFO L853 garLoopResultBuilder]: At program point L155-1(lines 146 159) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse0 .cse1 .cse7 .cse5 .cse3 .cse6))) [2021-10-21 19:48:29,457 INFO L853 garLoopResultBuilder]: At program point L155-2(lines 146 159) the Hoare annotation is: false [2021-10-21 19:48:29,458 INFO L853 garLoopResultBuilder]: At program point L155-3(lines 146 159) the Hoare annotation is: false [2021-10-21 19:48:29,458 INFO L853 garLoopResultBuilder]: At program point L155-4(lines 146 159) the Hoare annotation is: false [2021-10-21 19:48:29,458 INFO L853 garLoopResultBuilder]: At program point L155-5(lines 146 159) the Hoare annotation is: false [2021-10-21 19:48:29,458 INFO L853 garLoopResultBuilder]: At program point L487(lines 472 490) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse4 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6))) [2021-10-21 19:48:29,458 INFO L853 garLoopResultBuilder]: At program point L487-1(lines 472 490) the Hoare annotation is: false [2021-10-21 19:48:29,459 INFO L853 garLoopResultBuilder]: At program point L487-2(lines 472 490) the Hoare annotation is: false [2021-10-21 19:48:29,459 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:48:29,459 INFO L853 garLoopResultBuilder]: At program point L291(lines 291 297) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-10-21 19:48:29,459 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 265) no Hoare annotation was computed. [2021-10-21 19:48:29,460 INFO L853 garLoopResultBuilder]: At program point L291-1(lines 291 297) the Hoare annotation is: false [2021-10-21 19:48:29,460 INFO L853 garLoopResultBuilder]: At program point L291-2(lines 291 297) the Hoare annotation is: false [2021-10-21 19:48:29,460 INFO L860 garLoopResultBuilder]: At program point L258-1(lines 258 265) the Hoare annotation is: true [2021-10-21 19:48:29,460 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 562) no Hoare annotation was computed. [2021-10-21 19:48:29,460 INFO L853 garLoopResultBuilder]: At program point L556-1(lines 556 562) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6) (and .cse0 .cse1 .cse3 .cse6 .cse4) (and .cse0 .cse2 .cse5 .cse3))) [2021-10-21 19:48:29,461 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:48:29,461 INFO L853 garLoopResultBuilder]: At program point L623(lines 618 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:48:29,461 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2021-10-21 19:48:29,461 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:48:29,461 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:48:29,462 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,462 INFO L857 garLoopResultBuilder]: For program point L462-2(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,462 INFO L857 garLoopResultBuilder]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,462 INFO L857 garLoopResultBuilder]: For program point L462-5(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,462 INFO L857 garLoopResultBuilder]: For program point L462-6(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,463 INFO L853 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:48:29,463 INFO L857 garLoopResultBuilder]: For program point L462-8(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,463 INFO L853 garLoopResultBuilder]: At program point L165(lines 160 168) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3))) [2021-10-21 19:48:29,463 INFO L857 garLoopResultBuilder]: For program point L462-9(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,463 INFO L853 garLoopResultBuilder]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2021-10-21 19:48:29,464 INFO L857 garLoopResultBuilder]: For program point L462-11(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,464 INFO L853 garLoopResultBuilder]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2021-10-21 19:48:29,464 INFO L857 garLoopResultBuilder]: For program point L462-12(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,464 INFO L857 garLoopResultBuilder]: For program point L462-14(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,464 INFO L857 garLoopResultBuilder]: For program point L462-15(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,464 INFO L857 garLoopResultBuilder]: For program point L462-17(lines 462 466) no Hoare annotation was computed. [2021-10-21 19:48:29,469 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:48:29,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:48:29 BoogieIcfgContainer [2021-10-21 19:48:29,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:48:29,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:48:29,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:48:29,504 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:48:29,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:48:16" (3/4) ... [2021-10-21 19:48:29,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:48:29,534 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:48:29,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:48:29,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:48:29,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:48:29,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:48:29,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:48:29,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:48:29,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) [2021-10-21 19:48:29,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) [2021-10-21 19:48:29,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:48:29,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) [2021-10-21 19:48:29,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) [2021-10-21 19:48:29,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel [2021-10-21 19:48:29,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel) && tmp == 0) || (((((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= tmp___0) && 1 <= \result) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == 0) [2021-10-21 19:48:29,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:48:29,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:48:29,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:48:29,654 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:48:29,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:48:29,656 INFO L168 Benchmark]: Toolchain (without parser) took 15254.50 ms. Allocated memory was 96.5 MB in the beginning and 218.1 MB in the end (delta: 121.6 MB). Free memory was 60.1 MB in the beginning and 75.4 MB in the end (delta: -15.3 MB). Peak memory consumption was 104.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:29,656 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 77.6 MB in the beginning and 77.5 MB in the end (delta: 73.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:48:29,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.68 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 64.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:29,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.37 ms. Allocated memory is still 96.5 MB. Free memory was 64.1 MB in the beginning and 59.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:29,657 INFO L168 Benchmark]: Boogie Preprocessor took 108.88 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 57.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:29,658 INFO L168 Benchmark]: RCFGBuilder took 1260.87 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.0 MB in the beginning and 64.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:29,658 INFO L168 Benchmark]: TraceAbstraction took 12982.15 ms. Allocated memory was 117.4 MB in the beginning and 218.1 MB in the end (delta: 100.7 MB). Free memory was 63.6 MB in the beginning and 86.9 MB in the end (delta: -23.3 MB). Peak memory consumption was 100.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:29,659 INFO L168 Benchmark]: Witness Printer took 150.28 ms. Allocated memory is still 218.1 MB. Free memory was 86.9 MB in the beginning and 75.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:29,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 77.6 MB in the beginning and 77.5 MB in the end (delta: 73.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.68 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 64.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.37 ms. Allocated memory is still 96.5 MB. Free memory was 64.1 MB in the beginning and 59.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.88 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 57.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1260.87 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.0 MB in the beginning and 64.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12982.15 ms. Allocated memory was 117.4 MB in the beginning and 218.1 MB in the end (delta: 100.7 MB). Free memory was 63.6 MB in the beginning and 86.9 MB in the end (delta: -23.3 MB). Peak memory consumption was 100.7 MB. Max. memory is 16.1 GB. * Witness Printer took 150.28 ms. Allocated memory is still 218.1 MB. Free memory was 86.9 MB in the beginning and 75.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 12869.3ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 34.5ms, AutomataDifference: 1982.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7995.6ms, InitialAbstractionConstructionTime: 18.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1430 SDtfs, 1966 SDslu, 2938 SDs, 0 SdLazy, 391 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 640.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 472.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=472occurred in iteration=11, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 381.3ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1990 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 192 NumberOfFragments, 784 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1112273 FormulaSimplificationTreeSizeReduction, 2368.8ms HoareSimplificationTime, 55 FomulaSimplificationsInter, 450280 FormulaSimplificationTreeSizeReductionInter, 5606.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 110.5ms SsaConstructionTime, 505.9ms SatisfiabilityAnalysisTime, 1226.7ms InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 SizeOfPredicates, 3 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 40/42 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: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel) && tmp == 0) || (((((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= tmp___0) && 1 <= \result) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == 0) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:48:29,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b532fb-e4f7-425c-9b12-74895897c51a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...