./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/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_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/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_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/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 f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:23:35,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:23:35,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:23:35,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:23:35,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:23:35,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:23:35,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:23:35,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:23:35,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:23:35,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:23:35,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:23:35,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:23:35,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:23:35,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:23:35,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:23:35,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:23:35,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:23:35,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:23:35,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:23:35,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:23:35,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:23:35,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:23:35,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:23:35,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:23:35,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:23:35,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:23:35,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:23:35,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:23:35,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:23:35,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:23:35,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:23:35,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:23:35,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:23:35,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:23:35,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:23:35,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:23:35,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:23:35,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:23:35,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:23:35,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:23:35,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:23:35,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:23:35,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:23:35,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:23:35,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:23:35,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:23:35,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:23:35,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:23:35,882 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:23:35,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:23:35,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:23:35,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:23:35,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:23:35,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:23:35,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:23:35,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:23:35,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:23:35,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:23:35,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:23:35,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:23:35,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:23:35,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:23:35,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:23:35,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:23:35,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:23:35,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:23:35,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:23:35,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:23:35,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:23:35,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:23:35,887 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:23:35,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:23:35,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:23:35,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:23:35,888 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_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf [2021-10-21 20:23:36,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:23:36,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:23:36,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:23:36,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:23:36,189 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:23:36,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-21 20:23:36,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/data/4cf6ad7d8/e11c64b794df49c59e9f9acd52e94bc2/FLAG2dc863511 [2021-10-21 20:23:36,889 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:23:36,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-21 20:23:36,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/data/4cf6ad7d8/e11c64b794df49c59e9f9acd52e94bc2/FLAG2dc863511 [2021-10-21 20:23:37,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/data/4cf6ad7d8/e11c64b794df49c59e9f9acd52e94bc2 [2021-10-21 20:23:37,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:23:37,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:23:37,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:23:37,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:23:37,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:23:37,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d55915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37, skipping insertion in model container [2021-10-21 20:23:37,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:23:37,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:23:37,713 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_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-21 20:23:37,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:23:37,726 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:23:37,847 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_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-21 20:23:37,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:23:37,867 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:23:37,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37 WrapperNode [2021-10-21 20:23:37,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:23:37,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:23:37,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:23:37,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:23:37,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:23:37,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:23:37,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:23:37,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:23:37,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:37,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:38,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:23:38,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:23:38,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:23:38,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:23:38,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (1/1) ... [2021-10-21 20:23:38,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:23:38,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:38,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:38,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:23:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:23:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:23:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:23:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:23:39,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:23:39,178 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-21 20:23:39,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:39 BoogieIcfgContainer [2021-10-21 20:23:39,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:23:39,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:23:39,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:23:39,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:23:39,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:23:37" (1/3) ... [2021-10-21 20:23:39,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477ee544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:23:39, skipping insertion in model container [2021-10-21 20:23:39,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:37" (2/3) ... [2021-10-21 20:23:39,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477ee544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:23:39, skipping insertion in model container [2021-10-21 20:23:39,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:39" (3/3) ... [2021-10-21 20:23:39,193 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2021-10-21 20:23:39,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:23:39,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 20:23:39,255 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:23:39,262 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 20:23:39,263 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 20:23:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 20:23:39,287 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:39,288 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 20:23:39,289 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 20:23:39,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:39,294 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2021-10-21 20:23:39,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:39,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601685945] [2021-10-21 20:23:39,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:39,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:39,580 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 20:23:39,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:39,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601685945] [2021-10-21 20:23:39,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601685945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:39,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:39,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:23:39,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293268559] [2021-10-21 20:23:39,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:23:39,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:39,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:23:39,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:23:39,612 INFO L87 Difference]: Start difference. First operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 20:23:39,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:39,654 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-10-21 20:23:39,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:23:39,655 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 20:23:39,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:39,666 INFO L225 Difference]: With dead ends: 235 [2021-10-21 20:23:39,666 INFO L226 Difference]: Without dead ends: 117 [2021-10-21 20:23:39,670 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 20:23:39,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-21 20:23:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-10-21 20:23:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 116 states have internal predecessors, (172), 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 20:23:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-10-21 20:23:39,715 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-10-21 20:23:39,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:39,716 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-10-21 20:23:39,716 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 20:23:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-10-21 20:23:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 20:23:39,718 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:39,718 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 20:23:39,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:23:39,719 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 20:23:39,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:39,720 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2021-10-21 20:23:39,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:39,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620472832] [2021-10-21 20:23:39,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:39,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:39,849 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 20:23:39,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:39,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620472832] [2021-10-21 20:23:39,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620472832] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:39,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:39,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:23:39,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398816588] [2021-10-21 20:23:39,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:23:39,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:39,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:23:39,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:39,859 INFO L87 Difference]: Start difference. First operand 117 states and 172 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 20:23:39,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:39,877 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-10-21 20:23:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:23:39,882 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 20:23:39,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:39,884 INFO L225 Difference]: With dead ends: 117 [2021-10-21 20:23:39,885 INFO L226 Difference]: Without dead ends: 49 [2021-10-21 20:23:39,886 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:39,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-21 20:23:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-21 20:23:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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 20:23:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-21 20:23:39,900 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-21 20:23:39,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:39,901 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-21 20:23:39,901 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 20:23:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-21 20:23:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:23:39,905 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:39,905 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 20:23:39,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:23:39,906 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 20:23:39,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:39,907 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2021-10-21 20:23:39,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:39,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351328028] [2021-10-21 20:23:39,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:39,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:40,029 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 20:23:40,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:40,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351328028] [2021-10-21 20:23:40,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351328028] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:40,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:40,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:23:40,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796033533] [2021-10-21 20:23:40,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:23:40,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:40,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:23:40,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:23:40,033 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 5 states, 5 states have (on average 4.8) 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 20:23:40,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:40,074 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-10-21 20:23:40,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:23:40,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) 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 20:23:40,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:40,076 INFO L225 Difference]: With dead ends: 91 [2021-10-21 20:23:40,076 INFO L226 Difference]: Without dead ends: 49 [2021-10-21 20:23:40,077 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:23:40,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-21 20:23:40,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-21 20:23:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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 20:23:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-21 20:23:40,085 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-21 20:23:40,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:40,085 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-21 20:23:40,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) 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 20:23:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-21 20:23:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 20:23:40,087 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:40,087 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 20:23:40,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:23:40,088 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 20:23:40,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:40,088 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2021-10-21 20:23:40,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:40,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750112038] [2021-10-21 20:23:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:40,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:40,209 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 20:23:40,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:40,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750112038] [2021-10-21 20:23:40,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750112038] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:40,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:40,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:23:40,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155200540] [2021-10-21 20:23:40,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:23:40,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:40,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:23:40,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:40,212 INFO L87 Difference]: Start difference. First operand 49 states and 70 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 20:23:40,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:40,253 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-21 20:23:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:23:40,254 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 20:23:40,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:40,255 INFO L225 Difference]: With dead ends: 113 [2021-10-21 20:23:40,257 INFO L226 Difference]: Without dead ends: 71 [2021-10-21 20:23:40,258 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:40,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-21 20:23:40,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-10-21 20:23:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 68 states have internal predecessors, (98), 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 20:23:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-10-21 20:23:40,272 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-10-21 20:23:40,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:40,273 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-10-21 20:23:40,274 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 20:23:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-10-21 20:23:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:23:40,276 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:40,276 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 20:23:40,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:23:40,278 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 20:23:40,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:40,279 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2021-10-21 20:23:40,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:40,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626998260] [2021-10-21 20:23:40,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:40,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:40,421 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 20:23:40,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:40,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626998260] [2021-10-21 20:23:40,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626998260] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:40,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:40,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:23:40,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582946781] [2021-10-21 20:23:40,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:23:40,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:40,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:23:40,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:23:40,424 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 20:23:40,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:40,503 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-10-21 20:23:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:23:40,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 20:23:40,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:40,505 INFO L225 Difference]: With dead ends: 182 [2021-10-21 20:23:40,505 INFO L226 Difference]: Without dead ends: 120 [2021-10-21 20:23:40,506 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:23:40,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-21 20:23:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-10-21 20:23:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 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 20:23:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-21 20:23:40,517 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-10-21 20:23:40,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:40,517 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-21 20:23:40,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 20:23:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-21 20:23:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:23:40,519 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:40,519 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 20:23:40,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:23:40,520 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 20:23:40,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:40,521 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2021-10-21 20:23:40,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:40,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637706551] [2021-10-21 20:23:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:40,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:40,607 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 20:23:40,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:40,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637706551] [2021-10-21 20:23:40,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637706551] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:40,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:40,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:23:40,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039179830] [2021-10-21 20:23:40,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:23:40,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:40,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:23:40,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:23:40,611 INFO L87 Difference]: Start difference. First operand 75 states and 104 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 20:23:40,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:40,681 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-10-21 20:23:40,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:23:40,682 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 20:23:40,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:40,685 INFO L225 Difference]: With dead ends: 387 [2021-10-21 20:23:40,685 INFO L226 Difference]: Without dead ends: 319 [2021-10-21 20:23:40,686 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 30.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:23:40,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-21 20:23:40,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-10-21 20:23:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.3880597014925373) internal successors, (186), 134 states have internal predecessors, (186), 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 20:23:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-10-21 20:23:40,706 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-10-21 20:23:40,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:40,706 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-10-21 20:23:40,707 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 20:23:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-10-21 20:23:40,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:23:40,708 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:40,708 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 20:23:40,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:23:40,709 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 20:23:40,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:40,710 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2021-10-21 20:23:40,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:40,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694495975] [2021-10-21 20:23:40,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:40,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:40,783 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 20:23:40,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:40,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694495975] [2021-10-21 20:23:40,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694495975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:40,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:40,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:23:40,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215717663] [2021-10-21 20:23:40,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:23:40,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:40,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:23:40,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:23:40,789 INFO L87 Difference]: Start difference. First operand 135 states and 186 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 20:23:40,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:40,897 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-10-21 20:23:40,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:23:40,897 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 20:23:40,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:40,900 INFO L225 Difference]: With dead ends: 506 [2021-10-21 20:23:40,900 INFO L226 Difference]: Without dead ends: 378 [2021-10-21 20:23:40,904 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:23:40,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-21 20:23:40,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-10-21 20:23:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.3759398496240602) internal successors, (183), 133 states have internal predecessors, (183), 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 20:23:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-10-21 20:23:40,929 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-10-21 20:23:40,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:40,931 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-10-21 20:23:40,932 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 20:23:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-10-21 20:23:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:23:40,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:40,938 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 20:23:40,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:23:40,938 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 20:23:40,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:40,939 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2021-10-21 20:23:40,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:40,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907636656] [2021-10-21 20:23:40,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:40,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:41,022 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 20:23:41,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:41,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907636656] [2021-10-21 20:23:41,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907636656] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:41,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:41,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:23:41,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019296976] [2021-10-21 20:23:41,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:23:41,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:41,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:23:41,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:23:41,026 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 20:23:41,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:41,103 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2021-10-21 20:23:41,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:23:41,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 20:23:41,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:41,105 INFO L225 Difference]: With dead ends: 357 [2021-10-21 20:23:41,105 INFO L226 Difference]: Without dead ends: 230 [2021-10-21 20:23:41,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 40.2ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:23:41,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-21 20:23:41,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2021-10-21 20:23:41,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 141 states have internal predecessors, (191), 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 20:23:41,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-10-21 20:23:41,121 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-10-21 20:23:41,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:41,122 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-10-21 20:23:41,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 20:23:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-10-21 20:23:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:23:41,123 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:41,124 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 20:23:41,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:23:41,124 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 20:23:41,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:41,125 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2021-10-21 20:23:41,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:41,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052751968] [2021-10-21 20:23:41,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:41,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:41,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:41,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052751968] [2021-10-21 20:23:41,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052751968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:41,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:41,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:23:41,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469720816] [2021-10-21 20:23:41,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:23:41,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:41,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:23:41,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:41,186 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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 20:23:41,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:41,224 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2021-10-21 20:23:41,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:23:41,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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 20:23:41,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:41,229 INFO L225 Difference]: With dead ends: 327 [2021-10-21 20:23:41,229 INFO L226 Difference]: Without dead ends: 192 [2021-10-21 20:23:41,233 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:41,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-21 20:23:41,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-10-21 20:23:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 191 states have internal predecessors, (251), 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 20:23:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-10-21 20:23:41,255 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2021-10-21 20:23:41,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:41,256 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-21 20:23:41,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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 20:23:41,257 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-10-21 20:23:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 20:23:41,259 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:41,260 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:41,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:23:41,260 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 20:23:41,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:41,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2021-10-21 20:23:41,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:41,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749032508] [2021-10-21 20:23:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:41,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:41,325 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 20:23:41,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:41,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749032508] [2021-10-21 20:23:41,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749032508] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:41,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:41,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:23:41,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930386193] [2021-10-21 20:23:41,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:23:41,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:41,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:23:41,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:41,329 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:41,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:41,379 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2021-10-21 20:23:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:23:41,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-21 20:23:41,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:41,382 INFO L225 Difference]: With dead ends: 295 [2021-10-21 20:23:41,382 INFO L226 Difference]: Without dead ends: 293 [2021-10-21 20:23:41,382 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-21 20:23:41,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2021-10-21 20:23:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.3433476394849786) internal successors, (313), 233 states have internal predecessors, (313), 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 20:23:41,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2021-10-21 20:23:41,408 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2021-10-21 20:23:41,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:41,409 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2021-10-21 20:23:41,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2021-10-21 20:23:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-21 20:23:41,410 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:41,410 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2021-10-21 20:23:41,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:23:41,411 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 20:23:41,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:41,412 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2021-10-21 20:23:41,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:41,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053071939] [2021-10-21 20:23:41,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:41,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:41,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:41,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053071939] [2021-10-21 20:23:41,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053071939] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:41,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:41,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:23:41,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527237358] [2021-10-21 20:23:41,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:23:41,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:41,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:23:41,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:23:41,506 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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 20:23:41,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:41,639 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2021-10-21 20:23:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:23:41,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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 20:23:41,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:41,642 INFO L225 Difference]: With dead ends: 374 [2021-10-21 20:23:41,642 INFO L226 Difference]: Without dead ends: 197 [2021-10-21 20:23:41,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:23:41,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-21 20:23:41,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-10-21 20:23:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.3010204081632653) internal successors, (255), 196 states have internal predecessors, (255), 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 20:23:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-10-21 20:23:41,666 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2021-10-21 20:23:41,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:41,666 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-10-21 20:23:41,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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 20:23:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-10-21 20:23:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-21 20:23:41,668 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:41,668 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-10-21 20:23:41,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:23:41,668 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 20:23:41,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:41,669 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2021-10-21 20:23:41,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:41,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516321130] [2021-10-21 20:23:41,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:41,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 20:23:41,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:41,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516321130] [2021-10-21 20:23:41,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516321130] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:41,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:41,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:23:41,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435808891] [2021-10-21 20:23:41,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:23:41,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:41,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:23:41,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:23:41,760 INFO L87 Difference]: Start difference. First operand 197 states and 255 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 20:23:41,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:41,889 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2021-10-21 20:23:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:23:41,889 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 20:23:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:41,892 INFO L225 Difference]: With dead ends: 528 [2021-10-21 20:23:41,892 INFO L226 Difference]: Without dead ends: 388 [2021-10-21 20:23:41,893 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 65.5ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-21 20:23:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-10-21 20:23:41,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2021-10-21 20:23:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.2920792079207921) internal successors, (261), 202 states have internal predecessors, (261), 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 20:23:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2021-10-21 20:23:41,922 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2021-10-21 20:23:41,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:41,922 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2021-10-21 20:23:41,922 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 20:23:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2021-10-21 20:23:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-21 20:23:41,924 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:41,924 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-10-21 20:23:41,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:23:41,924 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 20:23:41,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:41,925 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2021-10-21 20:23:41,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:41,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039564825] [2021-10-21 20:23:41,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:41,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:42,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:42,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039564825] [2021-10-21 20:23:42,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039564825] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:42,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:42,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:23:42,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205669420] [2021-10-21 20:23:42,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:23:42,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:42,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:23:42,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:23:42,033 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 20:23:42,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:42,229 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2021-10-21 20:23:42,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:23:42,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 20:23:42,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:42,230 INFO L225 Difference]: With dead ends: 485 [2021-10-21 20:23:42,230 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:23:42,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.5ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:23:42,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:23:42,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:23:42,232 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 20:23:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:23:42,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-21 20:23:42,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:42,232 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:42,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 20:23:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:23:42,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:23:42,235 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:42,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:42,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:42,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 20:23:42,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:23:42,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:42,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:43,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:23:46,033 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-21 20:23:46,033 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2021-10-21 20:23:46,033 INFO L853 garLoopResultBuilder]: At program point L597-2(lines 351 357) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-10-21 20:23:46,033 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 272) no Hoare annotation was computed. [2021-10-21 20:23:46,034 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-21 20:23:46,034 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 351 357) no Hoare annotation was computed. [2021-10-21 20:23:46,034 INFO L853 garLoopResultBuilder]: At program point L336(lines 331 339) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:23:46,034 INFO L853 garLoopResultBuilder]: At program point L336-1(lines 331 339) the Hoare annotation is: false [2021-10-21 20:23:46,034 INFO L853 garLoopResultBuilder]: At program point L336-2(lines 331 339) the Hoare annotation is: false [2021-10-21 20:23:46,034 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2021-10-21 20:23:46,035 INFO L853 garLoopResultBuilder]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-10-21 20:23:46,035 INFO L853 garLoopResultBuilder]: At program point L536(lines 521 539) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (not (= 0 ~systemActive~0))) [2021-10-21 20:23:46,035 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 521 539) the Hoare annotation is: false [2021-10-21 20:23:46,035 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2021-10-21 20:23:46,035 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 989) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:23:46,035 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-21 20:23:46,036 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 184) no Hoare annotation was computed. [2021-10-21 20:23:46,036 INFO L860 garLoopResultBuilder]: At program point L177-1(lines 177 184) the Hoare annotation is: true [2021-10-21 20:23:46,036 INFO L853 garLoopResultBuilder]: At program point L607(lines 558 608) the Hoare annotation is: false [2021-10-21 20:23:46,036 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 426) no Hoare annotation was computed. [2021-10-21 20:23:46,036 INFO L857 garLoopResultBuilder]: For program point L409-1(lines 409 426) no Hoare annotation was computed. [2021-10-21 20:23:46,036 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 426) no Hoare annotation was computed. [2021-10-21 20:23:46,036 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-10-21 20:23:46,037 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2021-10-21 20:23:46,037 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 1 989) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-10-21 20:23:46,037 INFO L857 garLoopResultBuilder]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2021-10-21 20:23:46,037 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 211 228) no Hoare annotation was computed. [2021-10-21 20:23:46,037 INFO L853 garLoopResultBuilder]: At program point L211-3(lines 1 989) the Hoare annotation is: false [2021-10-21 20:23:46,037 INFO L857 garLoopResultBuilder]: For program point L211-4(lines 211 228) no Hoare annotation was computed. [2021-10-21 20:23:46,037 INFO L857 garLoopResultBuilder]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2021-10-21 20:23:46,038 INFO L853 garLoopResultBuilder]: At program point L211-5(lines 1 989) the Hoare annotation is: false [2021-10-21 20:23:46,038 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,038 INFO L857 garLoopResultBuilder]: For program point L511-2(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,038 INFO L857 garLoopResultBuilder]: For program point L511-3(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,038 INFO L857 garLoopResultBuilder]: For program point L511-5(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,038 INFO L857 garLoopResultBuilder]: For program point L511-6(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,038 INFO L857 garLoopResultBuilder]: For program point L511-8(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,038 INFO L857 garLoopResultBuilder]: For program point L511-9(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,039 INFO L857 garLoopResultBuilder]: For program point L511-11(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,039 INFO L857 garLoopResultBuilder]: For program point L511-12(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,039 INFO L857 garLoopResultBuilder]: For program point L511-14(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,039 INFO L857 garLoopResultBuilder]: For program point L511-15(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,039 INFO L857 garLoopResultBuilder]: For program point L511-17(lines 511 515) no Hoare annotation was computed. [2021-10-21 20:23:46,039 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 421) no Hoare annotation was computed. [2021-10-21 20:23:46,039 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 413 421) no Hoare annotation was computed. [2021-10-21 20:23:46,039 INFO L857 garLoopResultBuilder]: For program point L413-2(lines 413 421) no Hoare annotation was computed. [2021-10-21 20:23:46,040 INFO L853 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5))) [2021-10-21 20:23:46,040 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 276 284) the Hoare annotation is: false [2021-10-21 20:23:46,040 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 225) no Hoare annotation was computed. [2021-10-21 20:23:46,040 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 276 284) the Hoare annotation is: false [2021-10-21 20:23:46,040 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 215 225) no Hoare annotation was computed. [2021-10-21 20:23:46,040 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:23:46,041 INFO L857 garLoopResultBuilder]: For program point L215-4(lines 215 225) no Hoare annotation was computed. [2021-10-21 20:23:46,041 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-21 20:23:46,041 INFO L853 garLoopResultBuilder]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-10-21 20:23:46,041 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-10-21 20:23:46,041 INFO L857 garLoopResultBuilder]: For program point L216-2(lines 216 222) no Hoare annotation was computed. [2021-10-21 20:23:46,041 INFO L857 garLoopResultBuilder]: For program point L216-4(lines 216 222) no Hoare annotation was computed. [2021-10-21 20:23:46,041 INFO L853 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:23:46,042 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 400) no Hoare annotation was computed. [2021-10-21 20:23:46,042 INFO L857 garLoopResultBuilder]: For program point L383-1(lines 383 400) no Hoare annotation was computed. [2021-10-21 20:23:46,042 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:23:46,042 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 400) no Hoare annotation was computed. [2021-10-21 20:23:46,042 INFO L857 garLoopResultBuilder]: For program point L383-3(lines 383 400) no Hoare annotation was computed. [2021-10-21 20:23:46,042 INFO L857 garLoopResultBuilder]: For program point L383-4(lines 383 400) no Hoare annotation was computed. [2021-10-21 20:23:46,042 INFO L857 garLoopResultBuilder]: For program point L383-5(lines 383 400) no Hoare annotation was computed. [2021-10-21 20:23:46,043 INFO L853 garLoopResultBuilder]: At program point L351(lines 350 369) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse6 .cse7 .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse8 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse7 .cse4 .cse5))) [2021-10-21 20:23:46,043 INFO L857 garLoopResultBuilder]: For program point L351-1(lines 351 357) no Hoare annotation was computed. [2021-10-21 20:23:46,043 INFO L853 garLoopResultBuilder]: At program point L351-2(lines 350 369) the Hoare annotation is: false [2021-10-21 20:23:46,043 INFO L853 garLoopResultBuilder]: At program point L351-3(lines 350 369) the Hoare annotation is: false [2021-10-21 20:23:46,043 INFO L860 garLoopResultBuilder]: At program point L186(lines 167 189) the Hoare annotation is: true [2021-10-21 20:23:46,043 INFO L853 garLoopResultBuilder]: At program point L517(lines 502 520) the Hoare annotation is: false [2021-10-21 20:23:46,044 INFO L853 garLoopResultBuilder]: At program point L517-1(lines 502 520) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 .cse5 (<= 1 ~waterLevel~0) .cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse9 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse9 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7))) [2021-10-21 20:23:46,044 INFO L853 garLoopResultBuilder]: At program point L517-2(lines 502 520) the Hoare annotation is: false [2021-10-21 20:23:46,044 INFO L853 garLoopResultBuilder]: At program point L517-3(lines 502 520) the Hoare annotation is: false [2021-10-21 20:23:46,044 INFO L853 garLoopResultBuilder]: At program point L517-4(lines 502 520) the Hoare annotation is: false [2021-10-21 20:23:46,044 INFO L853 garLoopResultBuilder]: At program point L517-5(lines 502 520) the Hoare annotation is: false [2021-10-21 20:23:46,044 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 395) no Hoare annotation was computed. [2021-10-21 20:23:46,044 INFO L857 garLoopResultBuilder]: For program point L387-1(lines 387 395) no Hoare annotation was computed. [2021-10-21 20:23:46,045 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 327) no Hoare annotation was computed. [2021-10-21 20:23:46,045 INFO L857 garLoopResultBuilder]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2021-10-21 20:23:46,045 INFO L857 garLoopResultBuilder]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2021-10-21 20:23:46,045 INFO L857 garLoopResultBuilder]: For program point L387-3(lines 387 395) no Hoare annotation was computed. [2021-10-21 20:23:46,045 INFO L857 garLoopResultBuilder]: For program point L321-2(lines 321 327) no Hoare annotation was computed. [2021-10-21 20:23:46,045 INFO L857 garLoopResultBuilder]: For program point L387-4(lines 387 395) no Hoare annotation was computed. [2021-10-21 20:23:46,045 INFO L857 garLoopResultBuilder]: For program point L321-3(lines 321 327) no Hoare annotation was computed. [2021-10-21 20:23:46,045 INFO L857 garLoopResultBuilder]: For program point L387-5(lines 387 395) no Hoare annotation was computed. [2021-10-21 20:23:46,046 INFO L857 garLoopResultBuilder]: For program point L321-4(lines 321 327) no Hoare annotation was computed. [2021-10-21 20:23:46,046 INFO L857 garLoopResultBuilder]: For program point L321-5(lines 321 327) no Hoare annotation was computed. [2021-10-21 20:23:46,046 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:23:46,046 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-10-21 20:23:46,046 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 602) no Hoare annotation was computed. [2021-10-21 20:23:46,049 INFO L853 garLoopResultBuilder]: At program point L358(lines 358 364) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse4 .cse5))) [2021-10-21 20:23:46,050 INFO L853 garLoopResultBuilder]: At program point L358-1(lines 358 364) the Hoare annotation is: false [2021-10-21 20:23:46,050 INFO L853 garLoopResultBuilder]: At program point L358-2(lines 358 364) the Hoare annotation is: false [2021-10-21 20:23:46,050 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:23:46,050 INFO L857 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-10-21 20:23:46,051 INFO L857 garLoopResultBuilder]: For program point L986-1(line 986) no Hoare annotation was computed. [2021-10-21 20:23:46,052 INFO L857 garLoopResultBuilder]: For program point L986-2(line 986) no Hoare annotation was computed. [2021-10-21 20:23:46,052 INFO L853 garLoopResultBuilder]: At program point L326(lines 317 330) the Hoare annotation is: false [2021-10-21 20:23:46,052 INFO L853 garLoopResultBuilder]: At program point L326-1(lines 317 330) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse6) (and .cse0 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse7 .cse5 .cse6))) [2021-10-21 20:23:46,052 INFO L853 garLoopResultBuilder]: At program point L326-2(lines 317 330) the Hoare annotation is: false [2021-10-21 20:23:46,052 INFO L853 garLoopResultBuilder]: At program point L326-3(lines 317 330) the Hoare annotation is: false [2021-10-21 20:23:46,053 INFO L853 garLoopResultBuilder]: At program point L326-4(lines 317 330) the Hoare annotation is: false [2021-10-21 20:23:46,053 INFO L853 garLoopResultBuilder]: At program point L326-5(lines 317 330) the Hoare annotation is: false [2021-10-21 20:23:46,053 INFO L857 garLoopResultBuilder]: For program point L560(lines 559 606) no Hoare annotation was computed. [2021-10-21 20:23:46,053 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:23:46,054 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-21 20:23:46,054 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-10-21 20:23:46,054 INFO L853 garLoopResultBuilder]: At program point L462(lines 457 465) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 (not .cse2) .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 (<= 1 ~waterLevel~0) .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 (= ~waterLevel~0 1) .cse6))) [2021-10-21 20:23:46,054 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 457 465) the Hoare annotation is: false [2021-10-21 20:23:46,054 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 457 465) the Hoare annotation is: false [2021-10-21 20:23:46,055 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: false [2021-10-21 20:23:46,055 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-21 20:23:46,055 INFO L857 garLoopResultBuilder]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2021-10-21 20:23:46,055 INFO L857 garLoopResultBuilder]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2021-10-21 20:23:46,055 INFO L857 garLoopResultBuilder]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2021-10-21 20:23:46,055 INFO L857 garLoopResultBuilder]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2021-10-21 20:23:46,056 INFO L857 garLoopResultBuilder]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2021-10-21 20:23:46,056 INFO L853 garLoopResultBuilder]: At program point L200(lines 195 202) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:23:46,056 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 20:23:46,060 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:23:46,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:23:46 BoogieIcfgContainer [2021-10-21 20:23:46,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:23:46,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:23:46,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:23:46,104 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:23:46,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:39" (3/4) ... [2021-10-21 20:23:46,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:23:46,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 20:23:46,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 20:23:46,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 20:23:46,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 20:23:46,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:23:46,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:23:46,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:23:46,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 20:23:46,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 20:23:46,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 20:23:46,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) [2021-10-21 20:23:46,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) [2021-10-21 20:23:46,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,165 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,165 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp___0 == 0)) && !(\result == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) [2021-10-21 20:23:46,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(tmp == 0)) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && !(tmp == 0)) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-21 20:23:46,214 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:23:46,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:23:46,216 INFO L168 Benchmark]: Toolchain (without parser) took 8951.53 ms. Allocated memory was 111.1 MB in the beginning and 205.5 MB in the end (delta: 94.4 MB). Free memory was 70.1 MB in the beginning and 138.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:46,217 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 111.1 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:23:46,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.26 ms. Allocated memory is still 111.1 MB. Free memory was 69.9 MB in the beginning and 77.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:46,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.94 ms. Allocated memory is still 111.1 MB. Free memory was 76.8 MB in the beginning and 73.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:46,218 INFO L168 Benchmark]: Boogie Preprocessor took 50.00 ms. Allocated memory is still 111.1 MB. Free memory was 73.5 MB in the beginning and 70.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:46,218 INFO L168 Benchmark]: RCFGBuilder took 1176.01 ms. Allocated memory was 111.1 MB in the beginning and 163.6 MB in the end (delta: 52.4 MB). Free memory was 70.5 MB in the beginning and 124.4 MB in the end (delta: -53.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:46,219 INFO L168 Benchmark]: TraceAbstraction took 6917.48 ms. Allocated memory was 163.6 MB in the beginning and 205.5 MB in the end (delta: 41.9 MB). Free memory was 123.4 MB in the beginning and 148.6 MB in the end (delta: -25.2 MB). Peak memory consumption was 110.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:46,219 INFO L168 Benchmark]: Witness Printer took 110.65 ms. Allocated memory is still 205.5 MB. Free memory was 148.6 MB in the beginning and 138.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:46,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 111.1 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.26 ms. Allocated memory is still 111.1 MB. Free memory was 69.9 MB in the beginning and 77.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.94 ms. Allocated memory is still 111.1 MB. Free memory was 76.8 MB in the beginning and 73.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.00 ms. Allocated memory is still 111.1 MB. Free memory was 73.5 MB in the beginning and 70.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1176.01 ms. Allocated memory was 111.1 MB in the beginning and 163.6 MB in the end (delta: 52.4 MB). Free memory was 70.5 MB in the beginning and 124.4 MB in the end (delta: -53.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6917.48 ms. Allocated memory was 163.6 MB in the beginning and 205.5 MB in the end (delta: 41.9 MB). Free memory was 123.4 MB in the beginning and 148.6 MB in the end (delta: -25.2 MB). Peak memory consumption was 110.0 MB. Max. memory is 16.1 GB. * Witness Printer took 110.65 ms. Allocated memory is still 205.5 MB. Free memory was 148.6 MB in the beginning and 138.1 MB in the end (delta: 10.5 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: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: 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, 121 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6806.7ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 33.3ms, AutomataDifference: 1130.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3795.6ms, InitialAbstractionConstructionTime: 13.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1235 SDtfs, 1858 SDslu, 1702 SDs, 0 SdLazy, 228 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 384.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 278.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 233.9ms AutomataMinimizationTime, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1138 HoareAnnotationTreeSize, 44 FomulaSimplifications, 380260 FormulaSimplificationTreeSizeReduction, 872.0ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 92190 FormulaSimplificationTreeSizeReductionInter, 2904.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 75.0ms SsaConstructionTime, 427.6ms SatisfiabilityAnalysisTime, 824.3ms InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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: 350]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(tmp == 0)) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && !(tmp == 0)) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp___0 == 0)) && !(\result == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:23:46,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8a9e3dd-f0ce-4c2d-9c6e-3505e0044625/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...