./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg --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 e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:36:50,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:36:50,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:36:50,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:36:50,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:36:50,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:36:50,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:36:50,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:36:50,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:36:50,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:36:50,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:36:50,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:36:50,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:36:50,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:36:50,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:36:50,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:36:50,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:36:50,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:36:50,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:36:50,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:36:50,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:36:50,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:36:50,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:36:51,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:36:51,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:36:51,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:36:51,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:36:51,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:36:51,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:36:51,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:36:51,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:36:51,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:36:51,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:36:51,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:36:51,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:36:51,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:36:51,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:36:51,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:36:51,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:36:51,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:36:51,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:36:51,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:36:51,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:36:51,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:36:51,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:36:51,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:36:51,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:36:51,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:36:51,072 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:36:51,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:36:51,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:36:51,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:36:51,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:36:51,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:36:51,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:36:51,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:36:51,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:36:51,075 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:36:51,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:36:51,075 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:36:51,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:36:51,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:36:51,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:36:51,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:36:51,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:36:51,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:36:51,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:36:51,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:36:51,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:36:51,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:36:51,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:36:51,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:36:51,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:36:51,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:36:51,079 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_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b [2021-10-28 08:36:51,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:36:51,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:36:51,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:36:51,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:36:51,397 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:36:51,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-28 08:36:51,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/data/b753804b1/3a597a3db299419f94b3b49d1e746b8a/FLAGbc89b5161 [2021-10-28 08:36:52,034 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:36:52,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-28 08:36:52,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/data/b753804b1/3a597a3db299419f94b3b49d1e746b8a/FLAGbc89b5161 [2021-10-28 08:36:52,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/data/b753804b1/3a597a3db299419f94b3b49d1e746b8a [2021-10-28 08:36:52,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:36:52,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:36:52,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:52,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:36:52,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:36:52,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:52,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f51221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52, skipping insertion in model container [2021-10-28 08:36:52,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:52,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:36:52,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:36:52,733 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_513c633c-5c66-4a36-b273-d4b8208deff8/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-10-28 08:36:52,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:52,760 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:36:52,821 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_513c633c-5c66-4a36-b273-d4b8208deff8/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-10-28 08:36:52,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:52,850 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:36:52,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52 WrapperNode [2021-10-28 08:36:52,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:52,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:36:52,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:36:52,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:36:52,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:52,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:52,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:36:52,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:36:52,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:36:52,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:36:52,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:52,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:52,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:52,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:53,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:53,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:53,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:53,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:36:53,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:36:53,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:36:53,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:36:53,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (1/1) ... [2021-10-28 08:36:53,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:36:53,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:53,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:53,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:36:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:36:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:36:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:36:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:36:54,198 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:36:54,198 INFO L299 CfgBuilder]: Removed 276 assume(true) statements. [2021-10-28 08:36:54,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:54 BoogieIcfgContainer [2021-10-28 08:36:54,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:36:54,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:36:54,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:36:54,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:36:54,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:36:52" (1/3) ... [2021-10-28 08:36:54,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376c86d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:36:54, skipping insertion in model container [2021-10-28 08:36:54,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:52" (2/3) ... [2021-10-28 08:36:54,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376c86d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:36:54, skipping insertion in model container [2021-10-28 08:36:54,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:54" (3/3) ... [2021-10-28 08:36:54,221 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2021-10-28 08:36:54,226 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:36:54,227 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:36:54,290 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:36:54,296 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:36:54,297 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:36:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:36:54,328 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:54,328 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:54,329 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:54,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:54,340 INFO L85 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2021-10-28 08:36:54,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:54,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229625526] [2021-10-28 08:36:54,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:54,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:54,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:54,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229625526] [2021-10-28 08:36:54,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229625526] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:54,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:54,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:36:54,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011401659] [2021-10-28 08:36:54,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:36:54,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:54,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:36:54,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:36:54,622 INFO L87 Difference]: Start difference. First operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:54,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:54,681 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-28 08:36:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:36:54,682 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-28 08:36:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:54,693 INFO L225 Difference]: With dead ends: 372 [2021-10-28 08:36:54,694 INFO L226 Difference]: Without dead ends: 185 [2021-10-28 08:36:54,697 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:36:54,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-28 08:36:54,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-28 08:36:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 182 states have (on average 1.5164835164835164) internal successors, (276), 184 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-28 08:36:54,747 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-28 08:36:54,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:54,747 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-28 08:36:54,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-28 08:36:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 08:36:54,749 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:54,749 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:54,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:36:54,750 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:54,751 INFO L85 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2021-10-28 08:36:54,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:54,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146578567] [2021-10-28 08:36:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:54,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:54,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:54,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146578567] [2021-10-28 08:36:54,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146578567] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:54,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:54,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:36:54,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666686373] [2021-10-28 08:36:54,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:36:54,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:54,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:36:54,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:54,915 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:54,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:54,946 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-28 08:36:54,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:36:54,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 08:36:54,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:54,955 INFO L225 Difference]: With dead ends: 185 [2021-10-28 08:36:54,956 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 08:36:54,957 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:54,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 08:36:54,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-28 08:36:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-28 08:36:54,964 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-28 08:36:54,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:54,964 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-28 08:36:54,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-28 08:36:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 08:36:54,966 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:54,966 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:54,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:36:54,966 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:54,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:54,967 INFO L85 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2021-10-28 08:36:54,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:54,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374258003] [2021-10-28 08:36:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:54,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:55,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:55,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374258003] [2021-10-28 08:36:55,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374258003] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:55,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:55,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:36:55,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599794220] [2021-10-28 08:36:55,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:36:55,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:55,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:36:55,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:55,086 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:55,095 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-28 08:36:55,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:36:55,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-28 08:36:55,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:55,097 INFO L225 Difference]: With dead ends: 136 [2021-10-28 08:36:55,097 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 08:36:55,098 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 08:36:55,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-28 08:36:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4857142857142858) internal successors, (104), 70 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) [2021-10-28 08:36:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-28 08:36:55,105 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-28 08:36:55,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:55,106 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-28 08:36:55,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-28 08:36:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 08:36:55,107 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:55,108 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:55,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:36:55,108 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:55,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:55,109 INFO L85 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2021-10-28 08:36:55,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:55,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364101975] [2021-10-28 08:36:55,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:55,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:55,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:55,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364101975] [2021-10-28 08:36:55,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364101975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:55,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:55,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:36:55,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683377887] [2021-10-28 08:36:55,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:36:55,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:55,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:36:55,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:55,219 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:55,256 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-28 08:36:55,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:36:55,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-10-28 08:36:55,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:55,257 INFO L225 Difference]: With dead ends: 145 [2021-10-28 08:36:55,257 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 08:36:55,258 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:55,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 08:36:55,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-28 08:36:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-28 08:36:55,267 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-28 08:36:55,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:55,267 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-28 08:36:55,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,268 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-28 08:36:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 08:36:55,269 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:55,269 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:55,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:36:55,269 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:55,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:55,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2021-10-28 08:36:55,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:55,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131985060] [2021-10-28 08:36:55,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:55,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:55,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:55,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131985060] [2021-10-28 08:36:55,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131985060] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:55,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:55,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:55,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268555470] [2021-10-28 08:36:55,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:36:55,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:55,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:55,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:55,343 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:55,418 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-28 08:36:55,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:36:55,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-28 08:36:55,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:55,420 INFO L225 Difference]: With dead ends: 204 [2021-10-28 08:36:55,421 INFO L226 Difference]: Without dead ends: 132 [2021-10-28 08:36:55,421 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:36:55,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-28 08:36:55,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-28 08:36:55,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-28 08:36:55,431 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-28 08:36:55,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:55,431 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-28 08:36:55,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,431 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-28 08:36:55,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 08:36:55,432 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:55,433 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:55,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:36:55,433 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:55,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:55,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2021-10-28 08:36:55,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:55,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840591955] [2021-10-28 08:36:55,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:55,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:55,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:55,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840591955] [2021-10-28 08:36:55,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840591955] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:55,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:55,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:55,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651317610] [2021-10-28 08:36:55,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:36:55,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:55,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:36:55,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:36:55,521 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:55,734 INFO L93 Difference]: Finished difference Result 599 states and 838 transitions. [2021-10-28 08:36:55,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:36:55,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-28 08:36:55,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:55,745 INFO L225 Difference]: With dead ends: 599 [2021-10-28 08:36:55,745 INFO L226 Difference]: Without dead ends: 518 [2021-10-28 08:36:55,748 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:36:55,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2021-10-28 08:36:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 160. [2021-10-28 08:36:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.3773584905660377) internal successors, (219), 159 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 219 transitions. [2021-10-28 08:36:55,782 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 219 transitions. Word has length 31 [2021-10-28 08:36:55,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:55,782 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 219 transitions. [2021-10-28 08:36:55,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 219 transitions. [2021-10-28 08:36:55,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 08:36:55,784 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:55,784 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:55,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:36:55,784 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:55,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:55,785 INFO L85 PathProgramCache]: Analyzing trace with hash -909797332, now seen corresponding path program 1 times [2021-10-28 08:36:55,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:55,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785854727] [2021-10-28 08:36:55,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:55,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:55,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:55,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785854727] [2021-10-28 08:36:55,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785854727] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:55,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:55,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:36:55,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177533795] [2021-10-28 08:36:55,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:36:55,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:55,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:36:55,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:36:55,840 INFO L87 Difference]: Start difference. First operand 160 states and 219 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-10-28 08:36:55,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:55,954 INFO L93 Difference]: Finished difference Result 365 states and 505 transitions. [2021-10-28 08:36:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:36:55,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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 [2021-10-28 08:36:55,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:55,956 INFO L225 Difference]: With dead ends: 365 [2021-10-28 08:36:55,956 INFO L226 Difference]: Without dead ends: 211 [2021-10-28 08:36:55,957 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:36:55,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-28 08:36:55,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 190. [2021-10-28 08:36:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.3333333333333333) internal successors, (252), 189 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 252 transitions. [2021-10-28 08:36:55,971 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 252 transitions. Word has length 32 [2021-10-28 08:36:55,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:55,972 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 252 transitions. [2021-10-28 08:36:55,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-10-28 08:36:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2021-10-28 08:36:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-28 08:36:55,974 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:55,974 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:55,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:36:55,975 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:55,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:55,975 INFO L85 PathProgramCache]: Analyzing trace with hash -568007825, now seen corresponding path program 1 times [2021-10-28 08:36:55,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:55,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714843735] [2021-10-28 08:36:55,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:55,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 08:36:56,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:56,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714843735] [2021-10-28 08:36:56,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714843735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:56,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:56,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:56,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856116271] [2021-10-28 08:36:56,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:36:56,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:56,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:56,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:56,038 INFO L87 Difference]: Start difference. First operand 190 states and 252 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:56,120 INFO L93 Difference]: Finished difference Result 416 states and 551 transitions. [2021-10-28 08:36:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:36:56,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 49 [2021-10-28 08:36:56,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:56,122 INFO L225 Difference]: With dead ends: 416 [2021-10-28 08:36:56,122 INFO L226 Difference]: Without dead ends: 232 [2021-10-28 08:36:56,123 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:36:56,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-10-28 08:36:56,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 163. [2021-10-28 08:36:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.3024691358024691) internal successors, (211), 162 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 211 transitions. [2021-10-28 08:36:56,139 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 211 transitions. Word has length 49 [2021-10-28 08:36:56,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:56,139 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 211 transitions. [2021-10-28 08:36:56,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2021-10-28 08:36:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-28 08:36:56,141 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:56,141 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 08:36:56,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:36:56,142 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:56,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:56,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1384539631, now seen corresponding path program 1 times [2021-10-28 08:36:56,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:56,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803250649] [2021-10-28 08:36:56,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:56,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 08:36:56,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:56,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803250649] [2021-10-28 08:36:56,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803250649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:56,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:56,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:56,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294438091] [2021-10-28 08:36:56,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:36:56,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:56,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:36:56,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:36:56,221 INFO L87 Difference]: Start difference. First operand 163 states and 211 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:56,351 INFO L93 Difference]: Finished difference Result 775 states and 1021 transitions. [2021-10-28 08:36:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:36:56,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 50 [2021-10-28 08:36:56,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:56,355 INFO L225 Difference]: With dead ends: 775 [2021-10-28 08:36:56,355 INFO L226 Difference]: Without dead ends: 618 [2021-10-28 08:36:56,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-28 08:36:56,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2021-10-28 08:36:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 318. [2021-10-28 08:36:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.2902208201892744) internal successors, (409), 317 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 409 transitions. [2021-10-28 08:36:56,387 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 409 transitions. Word has length 50 [2021-10-28 08:36:56,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:56,387 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 409 transitions. [2021-10-28 08:36:56,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2021-10-28 08:36:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 08:36:56,388 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:56,389 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:56,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:36:56,389 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:56,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:56,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1234394969, now seen corresponding path program 1 times [2021-10-28 08:36:56,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:56,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701445291] [2021-10-28 08:36:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:56,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 08:36:56,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:56,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701445291] [2021-10-28 08:36:56,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701445291] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:56,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:56,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:56,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893582398] [2021-10-28 08:36:56,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:36:56,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:56,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:56,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:56,450 INFO L87 Difference]: Start difference. First operand 318 states and 409 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:56,640 INFO L93 Difference]: Finished difference Result 840 states and 1086 transitions. [2021-10-28 08:36:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:36:56,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 51 [2021-10-28 08:36:56,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:56,645 INFO L225 Difference]: With dead ends: 840 [2021-10-28 08:36:56,646 INFO L226 Difference]: Without dead ends: 838 [2021-10-28 08:36:56,646 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:36:56,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-28 08:36:56,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 318. [2021-10-28 08:36:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.2839116719242902) internal successors, (407), 317 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 407 transitions. [2021-10-28 08:36:56,681 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 407 transitions. Word has length 51 [2021-10-28 08:36:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:56,682 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 407 transitions. [2021-10-28 08:36:56,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 407 transitions. [2021-10-28 08:36:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-28 08:36:56,683 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:56,683 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2021-10-28 08:36:56,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:36:56,684 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:56,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:56,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1017395360, now seen corresponding path program 1 times [2021-10-28 08:36:56,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:56,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833802771] [2021-10-28 08:36:56,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:56,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:56,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:56,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833802771] [2021-10-28 08:36:56,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833802771] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:36:56,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658939166] [2021-10-28 08:36:56,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:56,784 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:36:56,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:56,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:36:56,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:36:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:56,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:36:56,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:57,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:57,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658939166] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:36:57,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:36:57,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-28 08:36:57,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899747300] [2021-10-28 08:36:57,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:36:57,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:57,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:36:57,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:36:57,145 INFO L87 Difference]: Start difference. First operand 318 states and 407 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:57,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:57,460 INFO L93 Difference]: Finished difference Result 1308 states and 1700 transitions. [2021-10-28 08:36:57,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 08:36:57,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 57 [2021-10-28 08:36:57,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:57,467 INFO L225 Difference]: With dead ends: 1308 [2021-10-28 08:36:57,467 INFO L226 Difference]: Without dead ends: 1046 [2021-10-28 08:36:57,468 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-10-28 08:36:57,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-10-28 08:36:57,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 450. [2021-10-28 08:36:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.2917594654788418) internal successors, (580), 449 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 580 transitions. [2021-10-28 08:36:57,521 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 580 transitions. Word has length 57 [2021-10-28 08:36:57,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:57,521 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 580 transitions. [2021-10-28 08:36:57,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 580 transitions. [2021-10-28 08:36:57,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-28 08:36:57,523 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:57,524 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:57,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:57,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 08:36:57,752 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:57,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:57,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1837292485, now seen corresponding path program 2 times [2021-10-28 08:36:57,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:57,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608217546] [2021-10-28 08:36:57,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:57,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:57,904 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 08:36:57,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:57,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608217546] [2021-10-28 08:36:57,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608217546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:57,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:57,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:57,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886886350] [2021-10-28 08:36:57,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:36:57,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:57,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:57,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:57,907 INFO L87 Difference]: Start difference. First operand 450 states and 580 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:58,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:58,308 INFO L93 Difference]: Finished difference Result 1376 states and 1792 transitions. [2021-10-28 08:36:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:36:58,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-28 08:36:58,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:58,315 INFO L225 Difference]: With dead ends: 1376 [2021-10-28 08:36:58,316 INFO L226 Difference]: Without dead ends: 980 [2021-10-28 08:36:58,317 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:36:58,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-10-28 08:36:58,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 626. [2021-10-28 08:36:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 625 states have (on average 1.2784) internal successors, (799), 625 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 799 transitions. [2021-10-28 08:36:58,401 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 799 transitions. Word has length 82 [2021-10-28 08:36:58,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:58,401 INFO L470 AbstractCegarLoop]: Abstraction has 626 states and 799 transitions. [2021-10-28 08:36:58,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:58,402 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 799 transitions. [2021-10-28 08:36:58,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-28 08:36:58,403 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:58,404 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:58,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 08:36:58,404 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:58,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:58,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1442925699, now seen corresponding path program 1 times [2021-10-28 08:36:58,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:58,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312080652] [2021-10-28 08:36:58,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:58,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:58,461 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 08:36:58,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:58,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312080652] [2021-10-28 08:36:58,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312080652] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:58,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:58,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:58,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310391479] [2021-10-28 08:36:58,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:36:58,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:58,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:58,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:58,463 INFO L87 Difference]: Start difference. First operand 626 states and 799 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 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) [2021-10-28 08:36:58,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:58,566 INFO L93 Difference]: Finished difference Result 1134 states and 1440 transitions. [2021-10-28 08:36:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:36:58,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 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) Word has length 82 [2021-10-28 08:36:58,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:58,567 INFO L225 Difference]: With dead ends: 1134 [2021-10-28 08:36:58,567 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:36:58,568 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:36:58,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:36:58,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:36:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:36:58,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-28 08:36:58,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:58,569 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:36:58,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 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) [2021-10-28 08:36:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:36:58,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:36:58,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:36:58,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:36:58,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:36:58,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 08:36:58,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:36:58,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:58,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:58,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:58,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:58,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:58,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:58,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:58,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:58,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:59,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:00,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:01,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:37:05,949 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-28 08:37:05,949 INFO L853 garLoopResultBuilder]: At program point L630(lines 623 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-28 08:37:05,949 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2021-10-28 08:37:05,949 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 572) no Hoare annotation was computed. [2021-10-28 08:37:05,950 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2021-10-28 08:37:05,950 INFO L857 garLoopResultBuilder]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2021-10-28 08:37:05,950 INFO L857 garLoopResultBuilder]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2021-10-28 08:37:05,950 INFO L857 garLoopResultBuilder]: For program point L564-3(lines 564 572) no Hoare annotation was computed. [2021-10-28 08:37:05,950 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-28 08:37:05,950 INFO L857 garLoopResultBuilder]: For program point L564-4(lines 564 572) no Hoare annotation was computed. [2021-10-28 08:37:05,950 INFO L857 garLoopResultBuilder]: For program point L564-5(lines 564 572) no Hoare annotation was computed. [2021-10-28 08:37:05,951 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 800) no Hoare annotation was computed. [2021-10-28 08:37:05,951 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-28 08:37:05,951 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 502 508) no Hoare annotation was computed. [2021-10-28 08:37:05,951 INFO L853 garLoopResultBuilder]: At program point L864(lines 859 867) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-28 08:37:05,951 INFO L853 garLoopResultBuilder]: At program point L864-1(lines 859 867) the Hoare annotation is: false [2021-10-28 08:37:05,951 INFO L853 garLoopResultBuilder]: At program point L864-2(lines 859 867) the Hoare annotation is: false [2021-10-28 08:37:05,952 INFO L853 garLoopResultBuilder]: At program point L864-3(lines 859 867) the Hoare annotation is: false [2021-10-28 08:37:05,952 INFO L853 garLoopResultBuilder]: At program point L864-4(lines 859 867) the Hoare annotation is: false [2021-10-28 08:37:05,952 INFO L853 garLoopResultBuilder]: At program point L864-5(lines 859 867) the Hoare annotation is: false [2021-10-28 08:37:05,952 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,952 INFO L857 garLoopResultBuilder]: For program point L534-1(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,952 INFO L857 garLoopResultBuilder]: For program point L534-2(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,953 INFO L857 garLoopResultBuilder]: For program point L534-3(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,953 INFO L857 garLoopResultBuilder]: For program point L534-4(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,953 INFO L857 garLoopResultBuilder]: For program point L534-5(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,953 INFO L857 garLoopResultBuilder]: For program point L534-6(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,953 INFO L857 garLoopResultBuilder]: For program point L534-7(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,953 INFO L857 garLoopResultBuilder]: For program point L534-8(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,953 INFO L857 garLoopResultBuilder]: For program point L534-9(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,954 INFO L857 garLoopResultBuilder]: For program point L534-10(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,954 INFO L857 garLoopResultBuilder]: For program point L534-11(lines 534 551) no Hoare annotation was computed. [2021-10-28 08:37:05,954 INFO L853 garLoopResultBuilder]: At program point L502(lines 501 520) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-28 08:37:05,954 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 502 508) no Hoare annotation was computed. [2021-10-28 08:37:05,954 INFO L853 garLoopResultBuilder]: At program point L502-2(lines 501 520) the Hoare annotation is: false [2021-10-28 08:37:05,954 INFO L853 garLoopResultBuilder]: At program point L502-3(lines 501 520) the Hoare annotation is: false [2021-10-28 08:37:05,954 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,955 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,955 INFO L857 garLoopResultBuilder]: For program point L538-2(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,955 INFO L857 garLoopResultBuilder]: For program point L538-3(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,955 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-28 08:37:05,955 INFO L857 garLoopResultBuilder]: For program point L538-4(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,955 INFO L857 garLoopResultBuilder]: For program point L538-5(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,956 INFO L857 garLoopResultBuilder]: For program point L538-6(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,956 INFO L857 garLoopResultBuilder]: For program point L538-7(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,956 INFO L857 garLoopResultBuilder]: For program point L538-8(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,956 INFO L857 garLoopResultBuilder]: For program point L538-9(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,956 INFO L857 garLoopResultBuilder]: For program point L538-10(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,956 INFO L857 garLoopResultBuilder]: For program point L538-11(lines 538 546) no Hoare annotation was computed. [2021-10-28 08:37:05,956 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-10-28 08:37:05,957 INFO L853 garLoopResultBuilder]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2021-10-28 08:37:05,957 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: false [2021-10-28 08:37:05,957 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: false [2021-10-28 08:37:05,957 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-10-28 08:37:05,957 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 776) no Hoare annotation was computed. [2021-10-28 08:37:05,957 INFO L857 garLoopResultBuilder]: For program point L772-3(lines 772 776) no Hoare annotation was computed. [2021-10-28 08:37:05,958 INFO L857 garLoopResultBuilder]: For program point L772-6(lines 772 776) no Hoare annotation was computed. [2021-10-28 08:37:05,958 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,958 INFO L857 garLoopResultBuilder]: For program point L707-2(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,958 INFO L857 garLoopResultBuilder]: For program point L707-3(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,958 INFO L857 garLoopResultBuilder]: For program point L707-5(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,958 INFO L853 garLoopResultBuilder]: At program point L509(lines 509 515) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-10-28 08:37:05,958 INFO L857 garLoopResultBuilder]: For program point L707-6(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,959 INFO L853 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2021-10-28 08:37:05,959 INFO L853 garLoopResultBuilder]: At program point L509-1(lines 509 515) the Hoare annotation is: false [2021-10-28 08:37:05,959 INFO L857 garLoopResultBuilder]: For program point L707-8(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,959 INFO L853 garLoopResultBuilder]: At program point L509-2(lines 509 515) the Hoare annotation is: false [2021-10-28 08:37:05,959 INFO L857 garLoopResultBuilder]: For program point L707-9(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,959 INFO L857 garLoopResultBuilder]: For program point L707-11(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,959 INFO L857 garLoopResultBuilder]: For program point L707-12(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,960 INFO L857 garLoopResultBuilder]: For program point L707-14(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,960 INFO L857 garLoopResultBuilder]: For program point L707-15(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,960 INFO L857 garLoopResultBuilder]: For program point L707-17(lines 707 711) no Hoare annotation was computed. [2021-10-28 08:37:05,960 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-10-28 08:37:05,960 INFO L857 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2021-10-28 08:37:05,960 INFO L853 garLoopResultBuilder]: At program point L841(lines 836 844) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2021-10-28 08:37:05,961 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 836 844) the Hoare annotation is: false [2021-10-28 08:37:05,961 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 836 844) the Hoare annotation is: false [2021-10-28 08:37:05,961 INFO L853 garLoopResultBuilder]: At program point L809(lines 804 812) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-28 08:37:05,961 INFO L853 garLoopResultBuilder]: At program point L809-1(lines 804 812) the Hoare annotation is: false [2021-10-28 08:37:05,961 INFO L853 garLoopResultBuilder]: At program point L743(lines 1 989) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-28 08:37:05,961 INFO L853 garLoopResultBuilder]: At program point L809-2(lines 804 812) the Hoare annotation is: false [2021-10-28 08:37:05,961 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-10-28 08:37:05,962 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 890) no Hoare annotation was computed. [2021-10-28 08:37:05,962 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 502 508) no Hoare annotation was computed. [2021-10-28 08:37:05,962 INFO L853 garLoopResultBuilder]: At program point L877-1(lines 1 989) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-10-28 08:37:05,962 INFO L857 garLoopResultBuilder]: For program point L877-2(lines 877 890) no Hoare annotation was computed. [2021-10-28 08:37:05,962 INFO L853 garLoopResultBuilder]: At program point L877-3(lines 1 989) the Hoare annotation is: false [2021-10-28 08:37:05,962 INFO L857 garLoopResultBuilder]: For program point L877-4(lines 877 890) no Hoare annotation was computed. [2021-10-28 08:37:05,963 INFO L853 garLoopResultBuilder]: At program point L877-5(lines 1 989) the Hoare annotation is: false [2021-10-28 08:37:05,963 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2021-10-28 08:37:05,963 INFO L860 garLoopResultBuilder]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2021-10-28 08:37:05,963 INFO L853 garLoopResultBuilder]: At program point L713(lines 698 716) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (<= 1 ~waterLevel~0)) [2021-10-28 08:37:05,963 INFO L853 garLoopResultBuilder]: At program point L713-1(lines 698 716) the Hoare annotation is: false [2021-10-28 08:37:05,963 INFO L853 garLoopResultBuilder]: At program point L713-2(lines 698 716) the Hoare annotation is: false [2021-10-28 08:37:05,963 INFO L853 garLoopResultBuilder]: At program point L713-3(lines 698 716) the Hoare annotation is: false [2021-10-28 08:37:05,964 INFO L853 garLoopResultBuilder]: At program point L713-4(lines 698 716) the Hoare annotation is: false [2021-10-28 08:37:05,964 INFO L853 garLoopResultBuilder]: At program point L713-5(lines 698 716) the Hoare annotation is: false [2021-10-28 08:37:05,964 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:37:05,964 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-10-28 08:37:05,964 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 450 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-10-28 08:37:05,964 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2021-10-28 08:37:05,964 INFO L857 garLoopResultBuilder]: For program point L881-2(lines 881 887) no Hoare annotation was computed. [2021-10-28 08:37:05,965 INFO L857 garLoopResultBuilder]: For program point L881-4(lines 881 887) no Hoare annotation was computed. [2021-10-28 08:37:05,965 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,965 INFO L857 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,965 INFO L857 garLoopResultBuilder]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,965 INFO L857 garLoopResultBuilder]: For program point L849-3(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,965 INFO L857 garLoopResultBuilder]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,965 INFO L857 garLoopResultBuilder]: For program point L849-5(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,966 INFO L857 garLoopResultBuilder]: For program point L849-6(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,966 INFO L857 garLoopResultBuilder]: For program point L849-7(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,966 INFO L857 garLoopResultBuilder]: For program point L849-8(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,966 INFO L857 garLoopResultBuilder]: For program point L849-9(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,966 INFO L857 garLoopResultBuilder]: For program point L849-10(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,966 INFO L857 garLoopResultBuilder]: For program point L849-11(lines 849 855) no Hoare annotation was computed. [2021-10-28 08:37:05,966 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 788) no Hoare annotation was computed. [2021-10-28 08:37:05,967 INFO L853 garLoopResultBuilder]: At program point L751(lines 746 754) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-28 08:37:05,967 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 603) no Hoare annotation was computed. [2021-10-28 08:37:05,967 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 586 603) no Hoare annotation was computed. [2021-10-28 08:37:05,967 INFO L857 garLoopResultBuilder]: For program point L586-2(lines 586 603) no Hoare annotation was computed. [2021-10-28 08:37:05,967 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:37:05,967 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,967 INFO L857 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,968 INFO L857 garLoopResultBuilder]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,968 INFO L857 garLoopResultBuilder]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,968 INFO L857 garLoopResultBuilder]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,968 INFO L857 garLoopResultBuilder]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,968 INFO L857 garLoopResultBuilder]: For program point L688-9(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,968 INFO L857 garLoopResultBuilder]: For program point L688-11(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,968 INFO L857 garLoopResultBuilder]: For program point L688-12(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,969 INFO L857 garLoopResultBuilder]: For program point L688-14(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,969 INFO L857 garLoopResultBuilder]: For program point L688-15(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,969 INFO L857 garLoopResultBuilder]: For program point L688-17(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,969 INFO L857 garLoopResultBuilder]: For program point L688-18(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,969 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:37:05,969 INFO L857 garLoopResultBuilder]: For program point L688-20(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,969 INFO L857 garLoopResultBuilder]: For program point L688-21(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,970 INFO L860 garLoopResultBuilder]: At program point L986(lines 967 989) the Hoare annotation is: true [2021-10-28 08:37:05,970 INFO L857 garLoopResultBuilder]: For program point L688-23(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,970 INFO L857 garLoopResultBuilder]: For program point L688-24(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,970 INFO L853 garLoopResultBuilder]: At program point L854(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,970 INFO L857 garLoopResultBuilder]: For program point L688-26(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,970 INFO L853 garLoopResultBuilder]: At program point L854-1(lines 845 858) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-10-28 08:37:05,971 INFO L857 garLoopResultBuilder]: For program point L688-27(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,971 INFO L853 garLoopResultBuilder]: At program point L854-2(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,971 INFO L853 garLoopResultBuilder]: At program point L854-3(lines 845 858) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2021-10-28 08:37:05,971 INFO L857 garLoopResultBuilder]: For program point L688-29(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,971 INFO L853 garLoopResultBuilder]: At program point L854-4(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,971 INFO L857 garLoopResultBuilder]: For program point L688-30(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,971 INFO L853 garLoopResultBuilder]: At program point L854-5(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,972 INFO L853 garLoopResultBuilder]: At program point L854-6(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,972 INFO L857 garLoopResultBuilder]: For program point L688-32(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,972 INFO L853 garLoopResultBuilder]: At program point L854-7(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,972 INFO L857 garLoopResultBuilder]: For program point L688-33(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,972 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 598) no Hoare annotation was computed. [2021-10-28 08:37:05,972 INFO L853 garLoopResultBuilder]: At program point L854-8(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,973 INFO L857 garLoopResultBuilder]: For program point L590-1(lines 590 598) no Hoare annotation was computed. [2021-10-28 08:37:05,973 INFO L853 garLoopResultBuilder]: At program point L854-9(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,973 INFO L857 garLoopResultBuilder]: For program point L688-35(lines 688 692) no Hoare annotation was computed. [2021-10-28 08:37:05,973 INFO L857 garLoopResultBuilder]: For program point L590-2(lines 590 598) no Hoare annotation was computed. [2021-10-28 08:37:05,973 INFO L853 garLoopResultBuilder]: At program point L854-10(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,973 INFO L853 garLoopResultBuilder]: At program point L854-11(lines 845 858) the Hoare annotation is: false [2021-10-28 08:37:05,973 INFO L853 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-28 08:37:05,974 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2021-10-28 08:37:05,974 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2021-10-28 08:37:05,974 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2021-10-28 08:37:05,974 INFO L857 garLoopResultBuilder]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2021-10-28 08:37:05,974 INFO L857 garLoopResultBuilder]: For program point L560-3(lines 560 577) no Hoare annotation was computed. [2021-10-28 08:37:05,974 INFO L857 garLoopResultBuilder]: For program point L560-4(lines 560 577) no Hoare annotation was computed. [2021-10-28 08:37:05,974 INFO L857 garLoopResultBuilder]: For program point L560-5(lines 560 577) no Hoare annotation was computed. [2021-10-28 08:37:05,975 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:37:05,975 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-28 08:37:05,975 INFO L857 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2021-10-28 08:37:05,975 INFO L857 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2021-10-28 08:37:05,975 INFO L853 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,975 INFO L857 garLoopResultBuilder]: For program point L760-2(line 760) no Hoare annotation was computed. [2021-10-28 08:37:05,975 INFO L853 garLoopResultBuilder]: At program point L694-1(lines 679 697) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 (<= 1 ~waterLevel~0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0))) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-10-28 08:37:05,976 INFO L853 garLoopResultBuilder]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,976 INFO L853 garLoopResultBuilder]: At program point L694-3(lines 679 697) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 (<= 1 ~waterLevel~0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0))) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-28 08:37:05,976 INFO L853 garLoopResultBuilder]: At program point L694-4(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,976 INFO L853 garLoopResultBuilder]: At program point L694-5(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,976 INFO L853 garLoopResultBuilder]: At program point L694-6(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,976 INFO L853 garLoopResultBuilder]: At program point L694-7(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,977 INFO L853 garLoopResultBuilder]: At program point L694-8(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,977 INFO L853 garLoopResultBuilder]: At program point L694-9(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,977 INFO L853 garLoopResultBuilder]: At program point L694-10(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,977 INFO L853 garLoopResultBuilder]: At program point L694-11(lines 679 697) the Hoare annotation is: false [2021-10-28 08:37:05,977 INFO L857 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2021-10-28 08:37:05,980 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:05,982 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:37:06,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:37:06 BoogieIcfgContainer [2021-10-28 08:37:06,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:37:06,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:37:06,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:37:06,039 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:37:06,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:54" (3/4) ... [2021-10-28 08:37:06,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:37:06,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:37:06,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:37:06,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:37:06,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:37:06,080 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:37:06,082 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:37:06,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:37:06,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) [2021-10-28 08:37:06,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) [2021-10-28 08:37:06,106 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) [2021-10-28 08:37:06,108 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) [2021-10-28 08:37:06,110 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-28 08:37:06,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel [2021-10-28 08:37:06,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-28 08:37:06,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel [2021-10-28 08:37:06,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && !(\result == 0)) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0)) || ((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-28 08:37:06,192 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:37:06,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:37:06,194 INFO L168 Benchmark]: Toolchain (without parser) took 13855.11 ms. Allocated memory was 100.7 MB in the beginning and 281.0 MB in the end (delta: 180.4 MB). Free memory was 58.0 MB in the beginning and 162.5 MB in the end (delta: -104.5 MB). Peak memory consumption was 75.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:06,194 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:37:06,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.29 ms. Allocated memory is still 100.7 MB. Free memory was 57.8 MB in the beginning and 64.2 MB in the end (delta: -6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:06,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.02 ms. Allocated memory is still 100.7 MB. Free memory was 64.2 MB in the beginning and 59.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:06,195 INFO L168 Benchmark]: Boogie Preprocessor took 71.39 ms. Allocated memory is still 100.7 MB. Free memory was 59.2 MB in the beginning and 55.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:06,196 INFO L168 Benchmark]: RCFGBuilder took 1166.71 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 55.5 MB in the beginning and 63.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:06,196 INFO L168 Benchmark]: TraceAbstraction took 11835.77 ms. Allocated memory was 121.6 MB in the beginning and 281.0 MB in the end (delta: 159.4 MB). Free memory was 62.6 MB in the beginning and 178.2 MB in the end (delta: -115.6 MB). Peak memory consumption was 109.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:06,197 INFO L168 Benchmark]: Witness Printer took 153.44 ms. Allocated memory is still 281.0 MB. Free memory was 178.2 MB in the beginning and 162.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:06,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 506.29 ms. Allocated memory is still 100.7 MB. Free memory was 57.8 MB in the beginning and 64.2 MB in the end (delta: -6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.02 ms. Allocated memory is still 100.7 MB. Free memory was 64.2 MB in the beginning and 59.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.39 ms. Allocated memory is still 100.7 MB. Free memory was 59.2 MB in the beginning and 55.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1166.71 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 55.5 MB in the beginning and 63.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11835.77 ms. Allocated memory was 121.6 MB in the beginning and 281.0 MB in the end (delta: 159.4 MB). Free memory was 62.6 MB in the beginning and 178.2 MB in the end (delta: -115.6 MB). Peak memory consumption was 109.2 MB. Max. memory is 16.1 GB. * Witness Printer took 153.44 ms. Allocated memory is still 281.0 MB. Free memory was 178.2 MB in the beginning and 162.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 760]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 760]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 760]: 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, 189 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1724 SDtfs, 3143 SDslu, 3059 SDs, 0 SdLazy, 481 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=626occurred in iteration=12, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 2265 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 238 NumberOfFragments, 491 HoareAnnotationTreeSize, 66 FomulaSimplifications, 2513350 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 66 FomulaSimplificationsInter, 146774 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 588 ConstructedInterpolants, 0 QuantifiedInterpolants, 1106 SizeOfPredicates, 3 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 170/176 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: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && !(\result == 0)) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0)) || ((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (((tmp == 0 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: (((((tmp == 0 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 08:37:06,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c633c-5c66-4a36-b273-d4b8208deff8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...