./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.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_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/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_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/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_49617923-c262-4bb1-b485-3eb7d7a26a36/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 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:12:55,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:12:55,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:12:55,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:12:55,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:12:55,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:12:55,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:12:55,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:12:55,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:12:55,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:12:55,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:12:55,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:12:55,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:12:55,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:12:55,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:12:55,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:12:55,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:12:55,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:12:55,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:12:55,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:12:55,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:12:55,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:12:55,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:12:55,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:12:55,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:12:55,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:12:55,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:12:55,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:12:55,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:12:55,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:12:55,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:12:55,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:12:55,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:12:55,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:12:55,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:12:55,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:12:55,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:12:55,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:12:55,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:12:55,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:12:55,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:12:55,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:12:55,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:12:55,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:12:55,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:12:55,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:12:55,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:12:55,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:12:55,329 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:12:55,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:12:55,329 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:12:55,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:12:55,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:12:55,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:12:55,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:12:55,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:12:55,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:12:55,333 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:12:55,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:12:55,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:12:55,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:12:55,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:12:55,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:12:55,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:12:55,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:12:55,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:12:55,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:12:55,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:12:55,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:12:55,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:12:55,337 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:12:55,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:12:55,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:12:55,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:12:55,340 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_49617923-c262-4bb1-b485-3eb7d7a26a36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 [2021-10-21 20:12:55,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:12:55,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:12:55,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:12:55,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:12:55,788 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:12:55,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-10-21 20:12:55,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/data/474c814d3/156d50546b464fb584d1eaa3b605fa47/FLAG361eb02e8 [2021-10-21 20:12:56,543 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:12:56,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-10-21 20:12:56,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/data/474c814d3/156d50546b464fb584d1eaa3b605fa47/FLAG361eb02e8 [2021-10-21 20:12:56,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/data/474c814d3/156d50546b464fb584d1eaa3b605fa47 [2021-10-21 20:12:56,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:12:56,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:12:56,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:12:56,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:12:56,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:12:56,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:12:56" (1/1) ... [2021-10-21 20:12:56,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c1e7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:56, skipping insertion in model container [2021-10-21 20:12:56,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:12:56" (1/1) ... [2021-10-21 20:12:56,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:12:56,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:12:57,352 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_49617923-c262-4bb1-b485-3eb7d7a26a36/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2021-10-21 20:12:57,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:12:57,385 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:12:57,505 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_49617923-c262-4bb1-b485-3eb7d7a26a36/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2021-10-21 20:12:57,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:12:57,538 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:12:57,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57 WrapperNode [2021-10-21 20:12:57,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:12:57,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:12:57,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:12:57,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:12:57,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:12:57,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:12:57,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:12:57,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:12:57,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:12:57,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:12:57,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:12:57,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:12:57,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (1/1) ... [2021-10-21 20:12:57,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:12:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:12:57,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:12:57,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:12:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:12:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:12:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:12:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:12:59,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:12:59,067 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-21 20:12:59,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:12:59 BoogieIcfgContainer [2021-10-21 20:12:59,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:12:59,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:12:59,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:12:59,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:12:59,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:12:56" (1/3) ... [2021-10-21 20:12:59,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b95f67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:12:59, skipping insertion in model container [2021-10-21 20:12:59,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57" (2/3) ... [2021-10-21 20:12:59,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b95f67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:12:59, skipping insertion in model container [2021-10-21 20:12:59,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:12:59" (3/3) ... [2021-10-21 20:12:59,081 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2021-10-21 20:12:59,088 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:12:59,088 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 20:12:59,150 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:12:59,158 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 20:12:59,159 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 20:12:59,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 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 20:12:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 20:12:59,189 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:12:59,190 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:12:59,191 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 20:12:59,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:12:59,198 INFO L82 PathProgramCache]: Analyzing trace with hash -859371484, now seen corresponding path program 1 times [2021-10-21 20:12:59,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:12:59,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058887706] [2021-10-21 20:12:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:12:59,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:12:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:12:59,529 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 20:12:59,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:12:59,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058887706] [2021-10-21 20:12:59,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058887706] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:12:59,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:12:59,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:12:59,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097556263] [2021-10-21 20:12:59,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:12:59,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:12:59,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:12:59,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:12:59,574 INFO L87 Difference]: Start difference. First operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 20:12:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:12:59,627 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2021-10-21 20:12:59,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:12:59,629 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-21 20:12:59,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:12:59,649 INFO L225 Difference]: With dead ends: 271 [2021-10-21 20:12:59,649 INFO L226 Difference]: Without dead ends: 135 [2021-10-21 20:12:59,656 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 20:12:59,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-10-21 20:12:59,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-10-21 20:12:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.4848484848484849) internal successors, (196), 134 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 20:12:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2021-10-21 20:12:59,746 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2021-10-21 20:12:59,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:12:59,747 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2021-10-21 20:12:59,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 20:12:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2021-10-21 20:12:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 20:12:59,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:12:59,749 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:12:59,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:12:59,753 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 20:12:59,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:12:59,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1078207453, now seen corresponding path program 1 times [2021-10-21 20:12:59,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:12:59,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738688845] [2021-10-21 20:12:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:12:59,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:12:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:12:59,975 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 20:12:59,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:12:59,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738688845] [2021-10-21 20:12:59,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738688845] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:12:59,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:12:59,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:12:59,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148826427] [2021-10-21 20:12:59,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:12:59,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:12:59,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:12:59,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:12:59,982 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 20:13:00,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:00,002 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2021-10-21 20:13:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:13:00,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-10-21 20:13:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:00,004 INFO L225 Difference]: With dead ends: 135 [2021-10-21 20:13:00,005 INFO L226 Difference]: Without dead ends: 55 [2021-10-21 20:13:00,006 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:00,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-21 20:13:00,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-21 20:13:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 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 20:13:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-21 20:13:00,013 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-21 20:13:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:00,014 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-21 20:13:00,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 20:13:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-21 20:13:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:13:00,015 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:00,016 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 20:13:00,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:13:00,016 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 20:13:00,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2021-10-21 20:13:00,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:00,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674425937] [2021-10-21 20:13:00,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:00,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:00,189 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 20:13:00,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:00,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674425937] [2021-10-21 20:13:00,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674425937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:00,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:00,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:13:00,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671606626] [2021-10-21 20:13:00,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:13:00,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:13:00,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:13:00,202 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 20:13:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:00,438 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-10-21 20:13:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:13:00,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 20:13:00,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:00,440 INFO L225 Difference]: With dead ends: 103 [2021-10-21 20:13:00,440 INFO L226 Difference]: Without dead ends: 55 [2021-10-21 20:13:00,440 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 61.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:13:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-21 20:13:00,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-21 20:13:00,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 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 20:13:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-10-21 20:13:00,448 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-10-21 20:13:00,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:00,448 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-10-21 20:13:00,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 20:13:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-10-21 20:13:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 20:13:00,459 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:00,459 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] [2021-10-21 20:13:00,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:13:00,460 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 20:13:00,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:00,460 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2021-10-21 20:13:00,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:00,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8004732] [2021-10-21 20:13:00,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:00,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:00,567 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 20:13:00,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:00,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8004732] [2021-10-21 20:13:00,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8004732] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:00,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:00,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:13:00,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924318078] [2021-10-21 20:13:00,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:13:00,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:00,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:13:00,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:00,578 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 20:13:00,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:00,635 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2021-10-21 20:13:00,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:13:00,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2021-10-21 20:13:00,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:00,638 INFO L225 Difference]: With dead ends: 125 [2021-10-21 20:13:00,641 INFO L226 Difference]: Without dead ends: 77 [2021-10-21 20:13:00,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:00,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-21 20:13:00,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2021-10-21 20:13:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 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 20:13:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-21 20:13:00,662 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2021-10-21 20:13:00,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:00,663 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-21 20:13:00,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 20:13:00,664 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-21 20:13:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:13:00,667 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:00,667 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] [2021-10-21 20:13:00,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:13:00,668 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 20:13:00,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:00,670 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2021-10-21 20:13:00,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:00,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435643086] [2021-10-21 20:13:00,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:00,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:00,776 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 20:13:00,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:00,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435643086] [2021-10-21 20:13:00,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435643086] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:00,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:00,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:13:00,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443166967] [2021-10-21 20:13:00,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:13:00,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:00,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:13:00,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:00,782 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 20:13:00,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:00,827 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2021-10-21 20:13:00,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:13:00,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 32 [2021-10-21 20:13:00,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:00,831 INFO L225 Difference]: With dead ends: 194 [2021-10-21 20:13:00,832 INFO L226 Difference]: Without dead ends: 126 [2021-10-21 20:13:00,834 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:00,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-21 20:13:00,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2021-10-21 20:13:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.4227642276422765) internal successors, (175), 123 states have internal predecessors, (175), 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 20:13:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-10-21 20:13:00,872 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2021-10-21 20:13:00,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:00,873 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-10-21 20:13:00,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 20:13:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-10-21 20:13:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:13:00,880 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:00,880 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] [2021-10-21 20:13:00,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:13:00,881 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 20:13:00,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:00,881 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2021-10-21 20:13:00,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:00,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917928312] [2021-10-21 20:13:00,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:00,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:01,002 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 20:13:01,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:01,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917928312] [2021-10-21 20:13:01,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917928312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:01,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:01,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:13:01,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867357568] [2021-10-21 20:13:01,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:13:01,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:01,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:13:01,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:13:01,011 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 20:13:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:01,177 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2021-10-21 20:13:01,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:13:01,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-21 20:13:01,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:01,199 INFO L225 Difference]: With dead ends: 622 [2021-10-21 20:13:01,199 INFO L226 Difference]: Without dead ends: 505 [2021-10-21 20:13:01,203 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 39.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:13:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-10-21 20:13:01,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2021-10-21 20:13:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.3893805309734513) internal successors, (314), 226 states have internal predecessors, (314), 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 20:13:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2021-10-21 20:13:01,263 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2021-10-21 20:13:01,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:01,264 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2021-10-21 20:13:01,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 20:13:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2021-10-21 20:13:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:13:01,270 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:01,270 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] [2021-10-21 20:13:01,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:13:01,271 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 20:13:01,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:01,271 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2021-10-21 20:13:01,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:01,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332161451] [2021-10-21 20:13:01,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:01,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:01,367 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 20:13:01,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:01,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332161451] [2021-10-21 20:13:01,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332161451] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:01,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:01,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:13:01,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200976409] [2021-10-21 20:13:01,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:13:01,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:01,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:13:01,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:13:01,372 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 20:13:01,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:01,532 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2021-10-21 20:13:01,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:13:01,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-21 20:13:01,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:01,540 INFO L225 Difference]: With dead ends: 865 [2021-10-21 20:13:01,540 INFO L226 Difference]: Without dead ends: 645 [2021-10-21 20:13:01,543 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 36.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:13:01,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2021-10-21 20:13:01,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2021-10-21 20:13:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.375) internal successors, (308), 224 states have internal predecessors, (308), 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 20:13:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2021-10-21 20:13:01,574 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2021-10-21 20:13:01,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:01,575 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2021-10-21 20:13:01,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 20:13:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2021-10-21 20:13:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 20:13:01,579 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:01,579 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, 1] [2021-10-21 20:13:01,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:13:01,580 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 20:13:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:01,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2021-10-21 20:13:01,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:01,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670681904] [2021-10-21 20:13:01,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:01,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:01,679 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 20:13:01,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:01,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670681904] [2021-10-21 20:13:01,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670681904] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:01,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:01,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:13:01,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298463782] [2021-10-21 20:13:01,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:13:01,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:01,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:13:01,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:13:01,683 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 20:13:01,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:01,788 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2021-10-21 20:13:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:13:01,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-21 20:13:01,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:01,793 INFO L225 Difference]: With dead ends: 609 [2021-10-21 20:13:01,793 INFO L226 Difference]: Without dead ends: 391 [2021-10-21 20:13:01,794 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:13:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-10-21 20:13:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2021-10-21 20:13:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 242 states have (on average 1.3471074380165289) internal successors, (326), 242 states have internal predecessors, (326), 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 20:13:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2021-10-21 20:13:01,831 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2021-10-21 20:13:01,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:01,832 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2021-10-21 20:13:01,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 20:13:01,832 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2021-10-21 20:13:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 20:13:01,833 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:01,833 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, 1] [2021-10-21 20:13:01,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:13:01,834 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 20:13:01,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:01,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2021-10-21 20:13:01,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:01,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998056232] [2021-10-21 20:13:01,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:01,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:01,933 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 20:13:01,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:01,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998056232] [2021-10-21 20:13:01,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998056232] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:01,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:01,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:13:01,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103747890] [2021-10-21 20:13:01,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:13:01,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:01,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:13:01,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:13:01,938 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 20:13:02,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:02,018 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2021-10-21 20:13:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:13:02,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2021-10-21 20:13:02,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:02,025 INFO L225 Difference]: With dead ends: 512 [2021-10-21 20:13:02,025 INFO L226 Difference]: Without dead ends: 276 [2021-10-21 20:13:02,026 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:13:02,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-10-21 20:13:02,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2021-10-21 20:13:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3152709359605912) internal successors, (267), 203 states have internal predecessors, (267), 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 20:13:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2021-10-21 20:13:02,054 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2021-10-21 20:13:02,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:02,056 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2021-10-21 20:13:02,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 20:13:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2021-10-21 20:13:02,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 20:13:02,057 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:02,058 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, 1, 1] [2021-10-21 20:13:02,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:13:02,058 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 20:13:02,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:02,059 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2021-10-21 20:13:02,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:02,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763724496] [2021-10-21 20:13:02,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:02,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:02,156 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 20:13:02,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:02,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763724496] [2021-10-21 20:13:02,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763724496] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:02,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:02,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:13:02,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869857090] [2021-10-21 20:13:02,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:13:02,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:02,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:13:02,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:13:02,159 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:02,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:02,431 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2021-10-21 20:13:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:13:02,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-21 20:13:02,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:02,435 INFO L225 Difference]: With dead ends: 615 [2021-10-21 20:13:02,435 INFO L226 Difference]: Without dead ends: 418 [2021-10-21 20:13:02,436 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 79.4ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-21 20:13:02,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-10-21 20:13:02,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2021-10-21 20:13:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.29064039408867) internal successors, (262), 203 states have internal predecessors, (262), 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 20:13:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2021-10-21 20:13:02,485 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2021-10-21 20:13:02,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:02,485 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2021-10-21 20:13:02,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2021-10-21 20:13:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-21 20:13:02,487 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:02,488 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, 1, 1] [2021-10-21 20:13:02,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:13:02,488 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 20:13:02,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:02,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1177012586, now seen corresponding path program 1 times [2021-10-21 20:13:02,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:02,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506773308] [2021-10-21 20:13:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:02,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:02,616 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 20:13:02,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:02,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506773308] [2021-10-21 20:13:02,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506773308] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:02,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:02,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:13:02,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33561256] [2021-10-21 20:13:02,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:13:02,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:02,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:13:02,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:13:02,620 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 20:13:02,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:02,765 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2021-10-21 20:13:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:13:02,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 58 [2021-10-21 20:13:02,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:02,770 INFO L225 Difference]: With dead ends: 516 [2021-10-21 20:13:02,771 INFO L226 Difference]: Without dead ends: 369 [2021-10-21 20:13:02,772 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 71.8ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-21 20:13:02,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-10-21 20:13:02,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2021-10-21 20:13:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 209 states have (on average 1.2822966507177034) internal successors, (268), 209 states have internal predecessors, (268), 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 20:13:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2021-10-21 20:13:02,806 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2021-10-21 20:13:02,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:02,808 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2021-10-21 20:13:02,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 20:13:02,808 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2021-10-21 20:13:02,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-21 20:13:02,809 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:02,809 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, 1, 1] [2021-10-21 20:13:02,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:13:02,810 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 20:13:02,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:02,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1435178024, now seen corresponding path program 1 times [2021-10-21 20:13:02,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:02,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181717960] [2021-10-21 20:13:02,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:02,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:02,889 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 20:13:02,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:02,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181717960] [2021-10-21 20:13:02,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181717960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:02,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:02,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:13:02,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572179052] [2021-10-21 20:13:02,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:13:02,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:02,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:13:02,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:02,893 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 20:13:02,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:02,957 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2021-10-21 20:13:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:13:02,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-10-21 20:13:02,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:02,961 INFO L225 Difference]: With dead ends: 331 [2021-10-21 20:13:02,961 INFO L226 Difference]: Without dead ends: 329 [2021-10-21 20:13:02,961 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:02,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-10-21 20:13:03,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2021-10-21 20:13:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.3063829787234043) internal successors, (307), 235 states have internal predecessors, (307), 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 20:13:03,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2021-10-21 20:13:03,009 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2021-10-21 20:13:03,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:03,009 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2021-10-21 20:13:03,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 20:13:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2021-10-21 20:13:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-21 20:13:03,011 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:03,011 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:13:03,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:13:03,012 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:13:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:03,012 INFO L82 PathProgramCache]: Analyzing trace with hash 200937625, now seen corresponding path program 1 times [2021-10-21 20:13:03,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:03,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309000631] [2021-10-21 20:13:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:03,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 20:13:03,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:03,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309000631] [2021-10-21 20:13:03,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309000631] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:03,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:03,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:13:03,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44793848] [2021-10-21 20:13:03,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:13:03,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:03,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:13:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:13:03,183 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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 20:13:03,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:03,582 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2021-10-21 20:13:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:13:03,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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) Word has length 82 [2021-10-21 20:13:03,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:03,585 INFO L225 Difference]: With dead ends: 589 [2021-10-21 20:13:03,585 INFO L226 Difference]: Without dead ends: 410 [2021-10-21 20:13:03,586 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:13:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-10-21 20:13:03,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2021-10-21 20:13:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 268 states have (on average 1.3059701492537314) internal successors, (350), 268 states have internal predecessors, (350), 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 20:13:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2021-10-21 20:13:03,625 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2021-10-21 20:13:03,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:03,626 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2021-10-21 20:13:03,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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 20:13:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2021-10-21 20:13:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-21 20:13:03,627 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:03,627 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:13:03,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 20:13:03,628 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:13:03,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:03,629 INFO L82 PathProgramCache]: Analyzing trace with hash -820130729, now seen corresponding path program 1 times [2021-10-21 20:13:03,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:03,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771228612] [2021-10-21 20:13:03,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:03,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:13:03,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:03,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771228612] [2021-10-21 20:13:03,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771228612] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:13:03,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900069913] [2021-10-21 20:13:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:03,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:13:03,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:13:03,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:13:03,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:13:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:03,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:13:03,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:13:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:13:04,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900069913] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:13:04,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:13:04,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-21 20:13:04,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879908139] [2021-10-21 20:13:04,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:13:04,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:04,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:13:04,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:13:04,206 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 20:13:04,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:04,366 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2021-10-21 20:13:04,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:13:04,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2021-10-21 20:13:04,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:04,370 INFO L225 Difference]: With dead ends: 559 [2021-10-21 20:13:04,370 INFO L226 Difference]: Without dead ends: 294 [2021-10-21 20:13:04,371 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:13:04,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-21 20:13:04,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2021-10-21 20:13:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.2527472527472527) internal successors, (342), 273 states have internal predecessors, (342), 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 20:13:04,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2021-10-21 20:13:04,412 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2021-10-21 20:13:04,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:04,412 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2021-10-21 20:13:04,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 20:13:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2021-10-21 20:13:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-21 20:13:04,414 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:04,414 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:13:04,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:13:04,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-21 20:13:04,634 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:13:04,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:04,635 INFO L82 PathProgramCache]: Analyzing trace with hash 364797879, now seen corresponding path program 2 times [2021-10-21 20:13:04,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:04,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209344619] [2021-10-21 20:13:04,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:04,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-21 20:13:04,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:04,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209344619] [2021-10-21 20:13:04,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209344619] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:04,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:04,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:13:04,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683930841] [2021-10-21 20:13:04,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:13:04,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:04,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:13:04,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:13:04,773 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 20:13:05,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:05,281 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2021-10-21 20:13:05,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:13:05,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 83 [2021-10-21 20:13:05,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:05,282 INFO L225 Difference]: With dead ends: 608 [2021-10-21 20:13:05,282 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:13:05,283 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 62.5ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:13:05,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:13:05,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:13:05,284 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 20:13:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:13:05,284 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-21 20:13:05,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:05,284 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:13:05,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 20:13:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:13:05,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:13:05,288 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:13:05,288 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:13:05,288 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:13:05,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:13:05,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:13:05,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:05,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:06,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:07,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:07,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:07,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:07,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:07,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:07,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:07,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:07,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:13:13,263 INFO L857 garLoopResultBuilder]: For program point L993(line 993) no Hoare annotation was computed. [2021-10-21 20:13:13,264 INFO L857 garLoopResultBuilder]: For program point L993-1(line 993) no Hoare annotation was computed. [2021-10-21 20:13:13,264 INFO L857 garLoopResultBuilder]: For program point L993-2(line 993) no Hoare annotation was computed. [2021-10-21 20:13:13,264 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2021-10-21 20:13:13,265 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-21 20:13:13,265 INFO L857 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-21 20:13:13,265 INFO L857 garLoopResultBuilder]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-21 20:13:13,265 INFO L857 garLoopResultBuilder]: For program point L598(lines 598 609) no Hoare annotation was computed. [2021-10-21 20:13:13,265 INFO L853 garLoopResultBuilder]: At program point L534(lines 519 537) the Hoare annotation is: false [2021-10-21 20:13:13,266 INFO L853 garLoopResultBuilder]: At program point L534-1(lines 519 537) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse4 .cse6 .cse7 .cse8) (and .cse0 .cse2 .cse10 .cse4 .cse5 .cse7 .cse8) (and .cse0 .cse2 .cse9 .cse10 .cse4 .cse7 .cse8))) [2021-10-21 20:13:13,266 INFO L853 garLoopResultBuilder]: At program point L534-2(lines 519 537) the Hoare annotation is: false [2021-10-21 20:13:13,266 INFO L853 garLoopResultBuilder]: At program point L534-3(lines 519 537) the Hoare annotation is: false [2021-10-21 20:13:13,266 INFO L853 garLoopResultBuilder]: At program point L534-4(lines 519 537) the Hoare annotation is: false [2021-10-21 20:13:13,267 INFO L853 garLoopResultBuilder]: At program point L534-5(lines 519 537) the Hoare annotation is: false [2021-10-21 20:13:13,267 INFO L853 garLoopResultBuilder]: At program point L139(lines 134 142) the Hoare annotation is: false [2021-10-21 20:13:13,267 INFO L853 garLoopResultBuilder]: At program point L139-1(lines 134 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-21 20:13:13,268 INFO L853 garLoopResultBuilder]: At program point L139-2(lines 134 142) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse5 .cse6 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse7 .cse4))) [2021-10-21 20:13:13,268 INFO L853 garLoopResultBuilder]: At program point L139-3(lines 134 142) the Hoare annotation is: false [2021-10-21 20:13:13,268 INFO L853 garLoopResultBuilder]: At program point L139-4(lines 134 142) the Hoare annotation is: false [2021-10-21 20:13:13,268 INFO L853 garLoopResultBuilder]: At program point L139-5(lines 134 142) the Hoare annotation is: false [2021-10-21 20:13:13,268 INFO L853 garLoopResultBuilder]: At program point L139-6(lines 134 142) the Hoare annotation is: false [2021-10-21 20:13:13,269 INFO L853 garLoopResultBuilder]: At program point L139-7(lines 134 142) the Hoare annotation is: false [2021-10-21 20:13:13,269 INFO L853 garLoopResultBuilder]: At program point L139-8(lines 134 142) the Hoare annotation is: false [2021-10-21 20:13:13,269 INFO L857 garLoopResultBuilder]: For program point L569(lines 568 613) no Hoare annotation was computed. [2021-10-21 20:13:13,269 INFO L853 garLoopResultBuilder]: At program point L470(lines 463 473) the Hoare annotation is: false [2021-10-21 20:13:13,269 INFO L853 garLoopResultBuilder]: At program point L470-1(lines 463 473) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2021-10-21 20:13:13,270 INFO L853 garLoopResultBuilder]: At program point L470-2(lines 463 473) the Hoare annotation is: false [2021-10-21 20:13:13,270 INFO L853 garLoopResultBuilder]: At program point L470-3(lines 463 473) the Hoare annotation is: false [2021-10-21 20:13:13,270 INFO L853 garLoopResultBuilder]: At program point L470-4(lines 463 473) the Hoare annotation is: false [2021-10-21 20:13:13,270 INFO L853 garLoopResultBuilder]: At program point L470-5(lines 463 473) the Hoare annotation is: false [2021-10-21 20:13:13,271 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2021-10-21 20:13:13,281 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 996) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:13:13,281 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 608) no Hoare annotation was computed. [2021-10-21 20:13:13,282 INFO L857 garLoopResultBuilder]: For program point L604-2(lines 350 356) no Hoare annotation was computed. [2021-10-21 20:13:13,282 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2021-10-21 20:13:13,282 INFO L853 garLoopResultBuilder]: At program point L308(lines 303 310) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-21 20:13:13,282 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 425) no Hoare annotation was computed. [2021-10-21 20:13:13,283 INFO L857 garLoopResultBuilder]: For program point L408-1(lines 408 425) no Hoare annotation was computed. [2021-10-21 20:13:13,283 INFO L857 garLoopResultBuilder]: For program point L408-2(lines 408 425) no Hoare annotation was computed. [2021-10-21 20:13:13,283 INFO L853 garLoopResultBuilder]: At program point L211-2(lines 211 225) the Hoare annotation is: false [2021-10-21 20:13:13,283 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 20:13:13,283 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 185) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L179-3(lines 179 185) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L179-4(lines 179 185) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L179-5(lines 179 185) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 420) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L412-1(lines 412 420) no Hoare annotation was computed. [2021-10-21 20:13:13,284 INFO L857 garLoopResultBuilder]: For program point L412-2(lines 412 420) no Hoare annotation was computed. [2021-10-21 20:13:13,285 INFO L857 garLoopResultBuilder]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2021-10-21 20:13:13,285 INFO L857 garLoopResultBuilder]: For program point L445-6(lines 445 451) no Hoare annotation was computed. [2021-10-21 20:13:13,285 INFO L857 garLoopResultBuilder]: For program point L445-8(lines 445 451) no Hoare annotation was computed. [2021-10-21 20:13:13,285 INFO L857 garLoopResultBuilder]: For program point L445-10(lines 445 451) no Hoare annotation was computed. [2021-10-21 20:13:13,285 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 584) no Hoare annotation was computed. [2021-10-21 20:13:13,285 INFO L853 garLoopResultBuilder]: At program point L578-1(lines 578 584) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 (= ~methaneLevelCritical~0 1) .cse6 .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 (<= 2 ~waterLevel~0) .cse5 (= |ULTIMATE.start_valid_product_#res| 1) .cse7))) [2021-10-21 20:13:13,286 INFO L853 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) [2021-10-21 20:13:13,286 INFO L853 garLoopResultBuilder]: At program point L479-1(lines 474 482) the Hoare annotation is: false [2021-10-21 20:13:13,286 INFO L853 garLoopResultBuilder]: At program point L479-2(lines 474 482) the Hoare annotation is: false [2021-10-21 20:13:13,286 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2021-10-21 20:13:13,287 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 350 356) no Hoare annotation was computed. [2021-10-21 20:13:13,287 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-21 20:13:13,287 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 551) no Hoare annotation was computed. [2021-10-21 20:13:13,287 INFO L857 garLoopResultBuilder]: For program point L547-2(lines 547 551) no Hoare annotation was computed. [2021-10-21 20:13:13,287 INFO L857 garLoopResultBuilder]: For program point L547-3(lines 547 551) no Hoare annotation was computed. [2021-10-21 20:13:13,288 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 399) no Hoare annotation was computed. [2021-10-21 20:13:13,288 INFO L857 garLoopResultBuilder]: For program point L547-5(lines 547 551) no Hoare annotation was computed. [2021-10-21 20:13:13,288 INFO L857 garLoopResultBuilder]: For program point L382-1(lines 382 399) no Hoare annotation was computed. [2021-10-21 20:13:13,288 INFO L857 garLoopResultBuilder]: For program point L547-6(lines 547 551) no Hoare annotation was computed. [2021-10-21 20:13:13,288 INFO L857 garLoopResultBuilder]: For program point L382-2(lines 382 399) no Hoare annotation was computed. [2021-10-21 20:13:13,288 INFO L857 garLoopResultBuilder]: For program point L382-3(lines 382 399) no Hoare annotation was computed. [2021-10-21 20:13:13,289 INFO L857 garLoopResultBuilder]: For program point L547-8(lines 547 551) no Hoare annotation was computed. [2021-10-21 20:13:13,289 INFO L857 garLoopResultBuilder]: For program point L382-4(lines 382 399) no Hoare annotation was computed. [2021-10-21 20:13:13,289 INFO L857 garLoopResultBuilder]: For program point L382-5(lines 382 399) no Hoare annotation was computed. [2021-10-21 20:13:13,289 INFO L853 garLoopResultBuilder]: At program point L184(lines 175 188) the Hoare annotation is: false [2021-10-21 20:13:13,290 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 175 188) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse5 (<= 1 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse6 .cse7))) [2021-10-21 20:13:13,290 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 175 188) the Hoare annotation is: false [2021-10-21 20:13:13,290 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 175 188) the Hoare annotation is: false [2021-10-21 20:13:13,290 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 175 188) the Hoare annotation is: false [2021-10-21 20:13:13,290 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 175 188) the Hoare annotation is: false [2021-10-21 20:13:13,291 INFO L853 garLoopResultBuilder]: At program point L614(lines 567 615) the Hoare annotation is: false [2021-10-21 20:13:13,291 INFO L853 garLoopResultBuilder]: At program point L350(lines 349 368) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse5 .cse2 .cse3 .cse4))) [2021-10-21 20:13:13,291 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:13:13,291 INFO L857 garLoopResultBuilder]: For program point L350-1(lines 350 356) no Hoare annotation was computed. [2021-10-21 20:13:13,292 INFO L853 garLoopResultBuilder]: At program point L350-2(lines 349 368) the Hoare annotation is: false [2021-10-21 20:13:13,292 INFO L853 garLoopResultBuilder]: At program point L350-3(lines 349 368) the Hoare annotation is: false [2021-10-21 20:13:13,292 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 336) no Hoare annotation was computed. [2021-10-21 20:13:13,292 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 293) no Hoare annotation was computed. [2021-10-21 20:13:13,292 INFO L853 garLoopResultBuilder]: At program point L319-1(lines 1 996) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 .cse3 (= ~methaneLevelCritical~0 1) (<= 1 ~waterLevel~0) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse6 (= ~waterLevel~0 1) .cse4) (and .cse0 .cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse5 (<= 2 ~waterLevel~0) .cse3 .cse6 .cse4))) [2021-10-21 20:13:13,293 INFO L857 garLoopResultBuilder]: For program point L319-2(lines 319 336) no Hoare annotation was computed. [2021-10-21 20:13:13,293 INFO L860 garLoopResultBuilder]: At program point L286-1(lines 286 293) the Hoare annotation is: true [2021-10-21 20:13:13,293 INFO L853 garLoopResultBuilder]: At program point L319-3(lines 1 996) the Hoare annotation is: false [2021-10-21 20:13:13,293 INFO L857 garLoopResultBuilder]: For program point L319-4(lines 319 336) no Hoare annotation was computed. [2021-10-21 20:13:13,293 INFO L853 garLoopResultBuilder]: At program point L319-5(lines 1 996) the Hoare annotation is: false [2021-10-21 20:13:13,294 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 394) no Hoare annotation was computed. [2021-10-21 20:13:13,294 INFO L857 garLoopResultBuilder]: For program point L386-1(lines 386 394) no Hoare annotation was computed. [2021-10-21 20:13:13,294 INFO L857 garLoopResultBuilder]: For program point L386-2(lines 386 394) no Hoare annotation was computed. [2021-10-21 20:13:13,294 INFO L857 garLoopResultBuilder]: For program point L386-3(lines 386 394) no Hoare annotation was computed. [2021-10-21 20:13:13,294 INFO L857 garLoopResultBuilder]: For program point L386-4(lines 386 394) no Hoare annotation was computed. [2021-10-21 20:13:13,294 INFO L857 garLoopResultBuilder]: For program point L386-5(lines 386 394) no Hoare annotation was computed. [2021-10-21 20:13:13,294 INFO L853 garLoopResultBuilder]: At program point L553(lines 538 556) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse3 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6 .cse7 .cse8))) [2021-10-21 20:13:13,294 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 538 556) the Hoare annotation is: false [2021-10-21 20:13:13,294 INFO L853 garLoopResultBuilder]: At program point L553-2(lines 538 556) the Hoare annotation is: false [2021-10-21 20:13:13,295 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:13:13,295 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 333) no Hoare annotation was computed. [2021-10-21 20:13:13,295 INFO L857 garLoopResultBuilder]: For program point L323-2(lines 323 333) no Hoare annotation was computed. [2021-10-21 20:13:13,295 INFO L857 garLoopResultBuilder]: For program point L323-4(lines 323 333) no Hoare annotation was computed. [2021-10-21 20:13:13,295 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 594) no Hoare annotation was computed. [2021-10-21 20:13:13,295 INFO L853 garLoopResultBuilder]: At program point L588-1(lines 588 594) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 .cse4 .cse8 .cse5 .cse7) (and .cse0 .cse2 .cse9 .cse4 .cse8 .cse6 .cse7) (and .cse0 .cse3 .cse9 .cse4 .cse6 .cse7))) [2021-10-21 20:13:13,296 INFO L853 garLoopResultBuilder]: At program point L357(lines 357 363) 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)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse6 .cse5) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse6 .cse5))) [2021-10-21 20:13:13,296 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-21 20:13:13,296 INFO L853 garLoopResultBuilder]: At program point L357-1(lines 357 363) the Hoare annotation is: false [2021-10-21 20:13:13,296 INFO L853 garLoopResultBuilder]: At program point L357-2(lines 357 363) the Hoare annotation is: false [2021-10-21 20:13:13,296 INFO L857 garLoopResultBuilder]: For program point L324-2(lines 324 330) no Hoare annotation was computed. [2021-10-21 20:13:13,296 INFO L857 garLoopResultBuilder]: For program point L324-4(lines 324 330) no Hoare annotation was computed. [2021-10-21 20:13:13,296 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-21 20:13:13,296 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:13:13,296 INFO L853 garLoopResultBuilder]: At program point L260(lines 256 262) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-21 20:13:13,297 INFO L853 garLoopResultBuilder]: At program point L194(lines 189 197) 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)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2021-10-21 20:13:13,297 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 189 197) the Hoare annotation is: false [2021-10-21 20:13:13,297 INFO L853 garLoopResultBuilder]: At program point L194-2(lines 189 197) the Hoare annotation is: false [2021-10-21 20:13:13,297 INFO L860 garLoopResultBuilder]: At program point L295(lines 276 298) the Hoare annotation is: true [2021-10-21 20:13:13,297 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:13:13,297 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2021-10-21 20:13:13,298 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,298 INFO L857 garLoopResultBuilder]: For program point L528-2(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,298 INFO L857 garLoopResultBuilder]: For program point L528-3(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,298 INFO L857 garLoopResultBuilder]: For program point L528-5(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,298 INFO L857 garLoopResultBuilder]: For program point L528-6(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,298 INFO L857 garLoopResultBuilder]: For program point L528-8(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,298 INFO L857 garLoopResultBuilder]: For program point L528-9(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,299 INFO L857 garLoopResultBuilder]: For program point L528-11(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,299 INFO L857 garLoopResultBuilder]: For program point L528-12(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,299 INFO L857 garLoopResultBuilder]: For program point L528-14(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,299 INFO L857 garLoopResultBuilder]: For program point L528-15(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,299 INFO L857 garLoopResultBuilder]: For program point L528-17(lines 528 532) no Hoare annotation was computed. [2021-10-21 20:13:13,304 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:13:13,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:13:13 BoogieIcfgContainer [2021-10-21 20:13:13,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:13:13,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:13:13,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:13:13,381 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:13:13,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:12:59" (3/4) ... [2021-10-21 20:13:13,385 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:13:13,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 20:13:13,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 20:13:13,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 20:13:13,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 20:13:13,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:13:13,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:13:13,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:13:13,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-21 20:13:13,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-21 20:13:13,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-21 20:13:13,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == systemActive) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,464 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,466 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) && \result == 1 [2021-10-21 20:13:13,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((((splverifierCounter == 0 && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,468 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive) && \result == 1) [2021-10-21 20:13:13,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-21 20:13:13,555 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:13:13,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:13:13,556 INFO L168 Benchmark]: Toolchain (without parser) took 16791.64 ms. Allocated memory was 92.3 MB in the beginning and 224.4 MB in the end (delta: 132.1 MB). Free memory was 57.0 MB in the beginning and 179.1 MB in the end (delta: -122.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:13:13,557 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:13:13,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.49 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.7 MB in the beginning and 95.6 MB in the end (delta: -38.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:13:13,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.22 ms. Allocated memory is still 127.9 MB. Free memory was 95.2 MB in the beginning and 91.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:13:13,562 INFO L168 Benchmark]: Boogie Preprocessor took 121.04 ms. Allocated memory is still 127.9 MB. Free memory was 91.4 MB in the beginning and 88.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:13:13,563 INFO L168 Benchmark]: RCFGBuilder took 1257.12 ms. Allocated memory is still 127.9 MB. Free memory was 88.4 MB in the beginning and 75.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:13:13,563 INFO L168 Benchmark]: TraceAbstraction took 14307.88 ms. Allocated memory was 127.9 MB in the beginning and 224.4 MB in the end (delta: 96.5 MB). Free memory was 75.0 MB in the beginning and 190.7 MB in the end (delta: -115.7 MB). Peak memory consumption was 109.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:13:13,564 INFO L168 Benchmark]: Witness Printer took 174.42 ms. Allocated memory is still 224.4 MB. Free memory was 190.7 MB in the beginning and 179.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:13:13,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 765.49 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.7 MB in the beginning and 95.6 MB in the end (delta: -38.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 148.22 ms. Allocated memory is still 127.9 MB. Free memory was 95.2 MB in the beginning and 91.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 121.04 ms. Allocated memory is still 127.9 MB. Free memory was 91.4 MB in the beginning and 88.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1257.12 ms. Allocated memory is still 127.9 MB. Free memory was 88.4 MB in the beginning and 75.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14307.88 ms. Allocated memory was 127.9 MB in the beginning and 224.4 MB in the end (delta: 96.5 MB). Free memory was 75.0 MB in the beginning and 190.7 MB in the end (delta: -115.7 MB). Peak memory consumption was 109.0 MB. Max. memory is 16.1 GB. * Witness Printer took 174.42 ms. Allocated memory is still 224.4 MB. Free memory was 190.7 MB in the beginning and 179.1 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: 993]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 993]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 993]: 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, 139 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14156.3ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 47.2ms, AutomataDifference: 2641.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7974.1ms, InitialAbstractionConstructionTime: 17.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1688 SDtfs, 2191 SDslu, 2595 SDs, 0 SdLazy, 369 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1243.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 435.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 510.1ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1549 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1018 HoareAnnotationTreeSize, 55 FomulaSimplifications, 2516883 FormulaSimplificationTreeSizeReduction, 2547.9ms HoareSimplificationTime, 55 FomulaSimplificationsInter, 660293 FormulaSimplificationTreeSizeReductionInter, 5402.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 132.9ms SsaConstructionTime, 726.2ms SatisfiabilityAnalysisTime, 1414.8ms InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 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: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((((splverifierCounter == 0 && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == systemActive) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) && \result == 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:13:13,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49617923-c262-4bb1-b485-3eb7d7a26a36/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...