./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_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/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_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 23:56:06,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:56:06,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:56:07,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:56:07,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:56:07,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:56:07,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:56:07,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:56:07,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:56:07,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:56:07,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:56:07,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:56:07,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:56:07,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:56:07,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:56:07,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:56:07,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:56:07,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:56:07,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:56:07,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:56:07,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:56:07,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:56:07,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:56:07,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:56:07,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:56:07,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:56:07,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:56:07,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:56:07,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:56:07,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:56:07,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:56:07,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:56:07,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:56:07,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:56:07,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:56:07,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:56:07,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:56:07,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:56:07,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:56:07,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:56:07,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:56:07,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:56:07,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:56:07,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:56:07,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:56:07,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:56:07,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:56:07,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:56:07,160 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:56:07,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:56:07,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:56:07,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:56:07,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:56:07,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:56:07,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:56:07,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:56:07,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:56:07,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:56:07,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:56:07,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:56:07,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:56:07,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:56:07,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:56:07,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:56:07,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:56:07,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:56:07,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:56:07,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:56:07,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:56:07,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:56:07,167 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:56:07,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:56:07,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:56:07,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:56:07,170 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_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b [2021-10-28 23:56:07,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:56:07,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:56:07,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:56:07,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:56:07,534 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:56:07,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-28 23:56:07,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/data/557e544ed/b6af16677a1a435a98d0dcaebc161a23/FLAG95d6b0793 [2021-10-28 23:56:08,434 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:56:08,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-28 23:56:08,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/data/557e544ed/b6af16677a1a435a98d0dcaebc161a23/FLAG95d6b0793 [2021-10-28 23:56:08,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/data/557e544ed/b6af16677a1a435a98d0dcaebc161a23 [2021-10-28 23:56:08,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:56:08,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:56:08,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:56:08,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:56:08,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:56:08,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:56:08" (1/1) ... [2021-10-28 23:56:08,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7597483a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:08, skipping insertion in model container [2021-10-28 23:56:08,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:56:08" (1/1) ... [2021-10-28 23:56:08,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:56:08,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:56:09,163 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_46053061-de9d-4e9e-ae52-1db41b41fcfa/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-10-28 23:56:09,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:56:09,209 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:56:09,357 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_46053061-de9d-4e9e-ae52-1db41b41fcfa/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-10-28 23:56:09,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:56:09,392 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:56:09,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09 WrapperNode [2021-10-28 23:56:09,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:56:09,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:56:09,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:56:09,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:56:09,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:56:09,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:56:09,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:56:09,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:56:09,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:56:09,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:56:09,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:56:09,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:56:09,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (1/1) ... [2021-10-28 23:56:09,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:56:09,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:09,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:56:09,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:56:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:56:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:56:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:56:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:56:11,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:56:11,258 INFO L299 CfgBuilder]: Removed 276 assume(true) statements. [2021-10-28 23:56:11,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:56:11 BoogieIcfgContainer [2021-10-28 23:56:11,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:56:11,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:56:11,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:56:11,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:56:11,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:56:08" (1/3) ... [2021-10-28 23:56:11,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322e0a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:56:11, skipping insertion in model container [2021-10-28 23:56:11,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:56:09" (2/3) ... [2021-10-28 23:56:11,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322e0a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:56:11, skipping insertion in model container [2021-10-28 23:56:11,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:56:11" (3/3) ... [2021-10-28 23:56:11,279 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2021-10-28 23:56:11,289 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:56:11,290 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:56:11,368 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:56:11,378 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:56:11,379 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:56:11,409 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 23:56:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:56:11,419 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:11,420 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:11,421 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:11,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:11,431 INFO L85 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2021-10-28 23:56:11,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:11,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846597932] [2021-10-28 23:56:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:11,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:11,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:11,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846597932] [2021-10-28 23:56:11,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846597932] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:11,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:11,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:56:11,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555719579] [2021-10-28 23:56:11,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:56:11,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:11,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:56:11,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:56:11,825 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 23:56:11,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:11,894 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-28 23:56:11,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:56:11,896 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-28 23:56:11,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:11,911 INFO L225 Difference]: With dead ends: 372 [2021-10-28 23:56:11,911 INFO L226 Difference]: Without dead ends: 185 [2021-10-28 23:56:11,915 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:56:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-28 23:56:11,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-28 23:56:11,972 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 23:56:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-28 23:56:11,978 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-28 23:56:11,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:11,979 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-28 23:56:11,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:56:11,979 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-28 23:56:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:56:11,981 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:11,981 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:11,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:56:11,982 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:11,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:11,983 INFO L85 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2021-10-28 23:56:11,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:11,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512509197] [2021-10-28 23:56:11,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:11,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:12,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:12,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512509197] [2021-10-28 23:56:12,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512509197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:12,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:12,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:56:12,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517416745] [2021-10-28 23:56:12,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:56:12,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:12,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:56:12,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:56:12,217 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 23:56:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:12,253 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-28 23:56:12,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:56:12,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 23:56:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:12,262 INFO L225 Difference]: With dead ends: 185 [2021-10-28 23:56:12,263 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 23:56:12,265 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:56:12,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 23:56:12,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-28 23:56:12,276 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 23:56:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-28 23:56:12,278 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-28 23:56:12,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:12,278 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-28 23:56:12,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:56:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-28 23:56:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:56:12,280 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:12,280 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:12,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:56:12,281 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:12,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:12,282 INFO L85 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2021-10-28 23:56:12,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:12,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558079847] [2021-10-28 23:56:12,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:12,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:12,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:12,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558079847] [2021-10-28 23:56:12,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558079847] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:12,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:12,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:56:12,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860096586] [2021-10-28 23:56:12,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:56:12,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:12,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:56:12,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:56:12,436 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 23:56:12,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:12,447 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-28 23:56:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:56:12,448 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 23:56:12,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:12,449 INFO L225 Difference]: With dead ends: 136 [2021-10-28 23:56:12,450 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 23:56:12,451 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 23:56:12,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 23:56:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-28 23:56:12,459 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 23:56:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-28 23:56:12,460 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-28 23:56:12,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:12,461 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-28 23:56:12,461 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 23:56:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-28 23:56:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 23:56:12,463 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:12,463 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 23:56:12,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:56:12,464 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:12,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:12,465 INFO L85 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2021-10-28 23:56:12,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:12,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424844705] [2021-10-28 23:56:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:12,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:12,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:12,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424844705] [2021-10-28 23:56:12,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424844705] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:12,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:12,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:56:12,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058937336] [2021-10-28 23:56:12,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:56:12,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:12,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:56:12,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:56:12,569 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 23:56:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:12,638 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-28 23:56:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:56:12,638 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 23:56:12,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:12,643 INFO L225 Difference]: With dead ends: 145 [2021-10-28 23:56:12,644 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:56:12,648 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 23:56:12,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:56:12,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-28 23:56:12,666 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 23:56:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-28 23:56:12,668 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-28 23:56:12,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:12,669 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-28 23:56:12,670 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 23:56:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-28 23:56:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 23:56:12,677 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:12,677 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 23:56:12,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:56:12,679 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 23:56:12,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:12,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2021-10-28 23:56:12,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:12,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576690679] [2021-10-28 23:56:12,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:12,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:12,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:12,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576690679] [2021-10-28 23:56:12,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576690679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:12,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:12,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:12,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313238376] [2021-10-28 23:56:12,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:56:12,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:12,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:56:12,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:12,818 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 23:56:12,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:12,931 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-28 23:56:12,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:56:12,931 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 23:56:12,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:12,934 INFO L225 Difference]: With dead ends: 204 [2021-10-28 23:56:12,935 INFO L226 Difference]: Without dead ends: 132 [2021-10-28 23:56:12,935 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 23:56:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-28 23:56:12,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-28 23:56:12,956 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 23:56:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-28 23:56:12,957 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-28 23:56:12,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:12,958 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-28 23:56:12,960 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 23:56:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-28 23:56:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 23:56:12,961 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:12,961 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 23:56:12,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:56:12,962 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 23:56:12,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:12,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2021-10-28 23:56:12,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:12,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179429033] [2021-10-28 23:56:12,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:12,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:13,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:13,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179429033] [2021-10-28 23:56:13,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179429033] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:13,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:13,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:13,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887271518] [2021-10-28 23:56:13,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:56:13,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:56:13,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:56:13,070 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 23:56:13,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:13,356 INFO L93 Difference]: Finished difference Result 599 states and 838 transitions. [2021-10-28 23:56:13,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:56:13,357 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 23:56:13,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:13,361 INFO L225 Difference]: With dead ends: 599 [2021-10-28 23:56:13,361 INFO L226 Difference]: Without dead ends: 518 [2021-10-28 23:56:13,362 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 23:56:13,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2021-10-28 23:56:13,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 160. [2021-10-28 23:56:13,385 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 23:56:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 219 transitions. [2021-10-28 23:56:13,386 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 219 transitions. Word has length 31 [2021-10-28 23:56:13,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:13,387 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 219 transitions. [2021-10-28 23:56:13,387 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 23:56:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 219 transitions. [2021-10-28 23:56:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:56:13,389 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:13,389 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 23:56:13,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:56:13,390 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 23:56:13,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:13,390 INFO L85 PathProgramCache]: Analyzing trace with hash -909797332, now seen corresponding path program 1 times [2021-10-28 23:56:13,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:13,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171570264] [2021-10-28 23:56:13,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:13,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:13,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:13,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171570264] [2021-10-28 23:56:13,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171570264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:13,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:13,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:56:13,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285640821] [2021-10-28 23:56:13,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:56:13,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:13,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:56:13,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:56:13,512 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 23:56:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:13,685 INFO L93 Difference]: Finished difference Result 365 states and 505 transitions. [2021-10-28 23:56:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:56:13,686 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 23:56:13,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:13,688 INFO L225 Difference]: With dead ends: 365 [2021-10-28 23:56:13,688 INFO L226 Difference]: Without dead ends: 211 [2021-10-28 23:56:13,689 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 23:56:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-28 23:56:13,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 190. [2021-10-28 23:56:13,715 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 23:56:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 252 transitions. [2021-10-28 23:56:13,717 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 252 transitions. Word has length 32 [2021-10-28 23:56:13,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:13,717 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 252 transitions. [2021-10-28 23:56:13,718 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 23:56:13,718 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2021-10-28 23:56:13,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-28 23:56:13,724 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:13,725 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 23:56:13,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:56:13,726 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 23:56:13,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:13,726 INFO L85 PathProgramCache]: Analyzing trace with hash -568007825, now seen corresponding path program 1 times [2021-10-28 23:56:13,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:13,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172770046] [2021-10-28 23:56:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:13,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:13,833 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 23:56:13,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:13,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172770046] [2021-10-28 23:56:13,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172770046] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:13,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:13,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:13,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618755118] [2021-10-28 23:56:13,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:56:13,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:13,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:56:13,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:13,837 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 23:56:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:13,950 INFO L93 Difference]: Finished difference Result 416 states and 551 transitions. [2021-10-28 23:56:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:56:13,951 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 23:56:13,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:13,954 INFO L225 Difference]: With dead ends: 416 [2021-10-28 23:56:13,954 INFO L226 Difference]: Without dead ends: 232 [2021-10-28 23:56:13,954 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 23:56:13,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-10-28 23:56:13,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 163. [2021-10-28 23:56:13,971 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 23:56:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 211 transitions. [2021-10-28 23:56:13,972 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 211 transitions. Word has length 49 [2021-10-28 23:56:13,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:13,973 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 211 transitions. [2021-10-28 23:56:13,973 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 23:56:13,973 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2021-10-28 23:56:13,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-28 23:56:13,975 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:13,975 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 23:56:13,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:56:13,976 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 23:56:13,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:13,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1384539631, now seen corresponding path program 1 times [2021-10-28 23:56:13,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:13,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241056128] [2021-10-28 23:56:13,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:13,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:14,119 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 23:56:14,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:14,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241056128] [2021-10-28 23:56:14,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241056128] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:14,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:14,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:14,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605690389] [2021-10-28 23:56:14,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:56:14,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:14,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:56:14,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:56:14,123 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 23:56:14,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:14,299 INFO L93 Difference]: Finished difference Result 775 states and 1021 transitions. [2021-10-28 23:56:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:56:14,300 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 23:56:14,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:14,307 INFO L225 Difference]: With dead ends: 775 [2021-10-28 23:56:14,308 INFO L226 Difference]: Without dead ends: 618 [2021-10-28 23:56:14,313 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 23:56:14,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2021-10-28 23:56:14,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 318. [2021-10-28 23:56:14,360 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 23:56:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 409 transitions. [2021-10-28 23:56:14,362 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 409 transitions. Word has length 50 [2021-10-28 23:56:14,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:14,365 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 409 transitions. [2021-10-28 23:56:14,365 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 23:56:14,365 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2021-10-28 23:56:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 23:56:14,369 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:14,369 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 23:56:14,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:56:14,370 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 23:56:14,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:14,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1234394969, now seen corresponding path program 1 times [2021-10-28 23:56:14,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:14,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002189102] [2021-10-28 23:56:14,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:14,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:14,475 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 23:56:14,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:14,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002189102] [2021-10-28 23:56:14,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002189102] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:14,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:14,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:14,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066930148] [2021-10-28 23:56:14,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:56:14,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:14,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:56:14,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:14,478 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 23:56:14,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:14,709 INFO L93 Difference]: Finished difference Result 840 states and 1086 transitions. [2021-10-28 23:56:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:56:14,710 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 23:56:14,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:14,717 INFO L225 Difference]: With dead ends: 840 [2021-10-28 23:56:14,717 INFO L226 Difference]: Without dead ends: 838 [2021-10-28 23:56:14,718 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 23:56:14,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-28 23:56:14,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 318. [2021-10-28 23:56:14,765 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 23:56:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 407 transitions. [2021-10-28 23:56:14,767 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 407 transitions. Word has length 51 [2021-10-28 23:56:14,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:14,768 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 407 transitions. [2021-10-28 23:56:14,768 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 23:56:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 407 transitions. [2021-10-28 23:56:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-28 23:56:14,770 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:14,770 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 23:56:14,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:56:14,771 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 23:56:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:14,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1017395360, now seen corresponding path program 1 times [2021-10-28 23:56:14,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:14,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053359192] [2021-10-28 23:56:14,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:14,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:14,920 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 23:56:14,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:14,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053359192] [2021-10-28 23:56:14,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053359192] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:56:14,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766415099] [2021-10-28 23:56:14,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:14,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:14,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:14,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:56:14,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:56:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:15,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:56:15,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:56:15,454 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 23:56:15,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766415099] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:56:15,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:56:15,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-28 23:56:15,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419833788] [2021-10-28 23:56:15,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:56:15,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:15,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:56:15,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:56:15,460 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 23:56:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:15,775 INFO L93 Difference]: Finished difference Result 1308 states and 1700 transitions. [2021-10-28 23:56:15,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:56:15,776 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 23:56:15,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:15,785 INFO L225 Difference]: With dead ends: 1308 [2021-10-28 23:56:15,785 INFO L226 Difference]: Without dead ends: 1046 [2021-10-28 23:56:15,787 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 23:56:15,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-10-28 23:56:15,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 450. [2021-10-28 23:56:15,865 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 23:56:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 580 transitions. [2021-10-28 23:56:15,867 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 580 transitions. Word has length 57 [2021-10-28 23:56:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:15,869 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 580 transitions. [2021-10-28 23:56:15,869 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 23:56:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 580 transitions. [2021-10-28 23:56:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-28 23:56:15,871 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:15,872 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 23:56:15,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:56:16,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:16,089 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 23:56:16,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:16,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1837292485, now seen corresponding path program 2 times [2021-10-28 23:56:16,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:16,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784617822] [2021-10-28 23:56:16,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:16,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:16,288 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 23:56:16,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:16,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784617822] [2021-10-28 23:56:16,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784617822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:16,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:16,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:16,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873505558] [2021-10-28 23:56:16,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:56:16,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:16,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:56:16,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:16,294 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 23:56:16,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:16,809 INFO L93 Difference]: Finished difference Result 1376 states and 1792 transitions. [2021-10-28 23:56:16,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:56:16,811 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 23:56:16,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:16,818 INFO L225 Difference]: With dead ends: 1376 [2021-10-28 23:56:16,818 INFO L226 Difference]: Without dead ends: 980 [2021-10-28 23:56:16,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:56:16,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-10-28 23:56:16,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 626. [2021-10-28 23:56:16,972 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 23:56:16,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 799 transitions. [2021-10-28 23:56:16,977 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 799 transitions. Word has length 82 [2021-10-28 23:56:16,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:16,977 INFO L470 AbstractCegarLoop]: Abstraction has 626 states and 799 transitions. [2021-10-28 23:56:16,978 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 23:56:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 799 transitions. [2021-10-28 23:56:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-28 23:56:16,980 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:16,980 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 23:56:16,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:56:16,981 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 23:56:16,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1442925699, now seen corresponding path program 1 times [2021-10-28 23:56:16,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:16,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620583246] [2021-10-28 23:56:16,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:16,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:17,092 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 23:56:17,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:17,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620583246] [2021-10-28 23:56:17,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620583246] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:17,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:17,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:17,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812272600] [2021-10-28 23:56:17,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:56:17,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:17,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:56:17,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:17,095 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 23:56:17,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:17,225 INFO L93 Difference]: Finished difference Result 1134 states and 1440 transitions. [2021-10-28 23:56:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:56:17,226 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 23:56:17,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:17,226 INFO L225 Difference]: With dead ends: 1134 [2021-10-28 23:56:17,226 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:56:17,228 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 23:56:17,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:56:17,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:56:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:56:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:56:17,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-28 23:56:17,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:17,231 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:56:17,231 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 23:56:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:56:17,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:56:17,234 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:56:17,235 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:56:17,235 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:56:17,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:56:17,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:56:17,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:17,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:18,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:19,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:20,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:26,294 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-28 23:56:26,294 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 23:56:26,294 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2021-10-28 23:56:26,294 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 572) no Hoare annotation was computed. [2021-10-28 23:56:26,294 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2021-10-28 23:56:26,295 INFO L857 garLoopResultBuilder]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2021-10-28 23:56:26,295 INFO L857 garLoopResultBuilder]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2021-10-28 23:56:26,295 INFO L857 garLoopResultBuilder]: For program point L564-3(lines 564 572) no Hoare annotation was computed. [2021-10-28 23:56:26,295 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-28 23:56:26,295 INFO L857 garLoopResultBuilder]: For program point L564-4(lines 564 572) no Hoare annotation was computed. [2021-10-28 23:56:26,295 INFO L857 garLoopResultBuilder]: For program point L564-5(lines 564 572) no Hoare annotation was computed. [2021-10-28 23:56:26,295 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 800) no Hoare annotation was computed. [2021-10-28 23:56:26,295 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-28 23:56:26,296 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 502 508) no Hoare annotation was computed. [2021-10-28 23:56:26,296 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 23:56:26,296 INFO L853 garLoopResultBuilder]: At program point L864-1(lines 859 867) the Hoare annotation is: false [2021-10-28 23:56:26,296 INFO L853 garLoopResultBuilder]: At program point L864-2(lines 859 867) the Hoare annotation is: false [2021-10-28 23:56:26,296 INFO L853 garLoopResultBuilder]: At program point L864-3(lines 859 867) the Hoare annotation is: false [2021-10-28 23:56:26,296 INFO L853 garLoopResultBuilder]: At program point L864-4(lines 859 867) the Hoare annotation is: false [2021-10-28 23:56:26,296 INFO L853 garLoopResultBuilder]: At program point L864-5(lines 859 867) the Hoare annotation is: false [2021-10-28 23:56:26,297 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,297 INFO L857 garLoopResultBuilder]: For program point L534-1(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,297 INFO L857 garLoopResultBuilder]: For program point L534-2(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,297 INFO L857 garLoopResultBuilder]: For program point L534-3(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,297 INFO L857 garLoopResultBuilder]: For program point L534-4(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,297 INFO L857 garLoopResultBuilder]: For program point L534-5(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,297 INFO L857 garLoopResultBuilder]: For program point L534-6(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,298 INFO L857 garLoopResultBuilder]: For program point L534-7(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,298 INFO L857 garLoopResultBuilder]: For program point L534-8(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,298 INFO L857 garLoopResultBuilder]: For program point L534-9(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,298 INFO L857 garLoopResultBuilder]: For program point L534-10(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,298 INFO L857 garLoopResultBuilder]: For program point L534-11(lines 534 551) no Hoare annotation was computed. [2021-10-28 23:56:26,298 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 23:56:26,298 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 502 508) no Hoare annotation was computed. [2021-10-28 23:56:26,298 INFO L853 garLoopResultBuilder]: At program point L502-2(lines 501 520) the Hoare annotation is: false [2021-10-28 23:56:26,299 INFO L853 garLoopResultBuilder]: At program point L502-3(lines 501 520) the Hoare annotation is: false [2021-10-28 23:56:26,299 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,299 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,299 INFO L857 garLoopResultBuilder]: For program point L538-2(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,299 INFO L857 garLoopResultBuilder]: For program point L538-3(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,299 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-28 23:56:26,299 INFO L857 garLoopResultBuilder]: For program point L538-4(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,300 INFO L857 garLoopResultBuilder]: For program point L538-5(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,300 INFO L857 garLoopResultBuilder]: For program point L538-6(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,300 INFO L857 garLoopResultBuilder]: For program point L538-7(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,300 INFO L857 garLoopResultBuilder]: For program point L538-8(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,300 INFO L857 garLoopResultBuilder]: For program point L538-9(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,300 INFO L857 garLoopResultBuilder]: For program point L538-10(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,300 INFO L857 garLoopResultBuilder]: For program point L538-11(lines 538 546) no Hoare annotation was computed. [2021-10-28 23:56:26,300 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-10-28 23:56:26,301 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 23:56:26,301 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: false [2021-10-28 23:56:26,301 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: false [2021-10-28 23:56:26,301 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-10-28 23:56:26,301 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 776) no Hoare annotation was computed. [2021-10-28 23:56:26,301 INFO L857 garLoopResultBuilder]: For program point L772-3(lines 772 776) no Hoare annotation was computed. [2021-10-28 23:56:26,301 INFO L857 garLoopResultBuilder]: For program point L772-6(lines 772 776) no Hoare annotation was computed. [2021-10-28 23:56:26,301 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,301 INFO L857 garLoopResultBuilder]: For program point L707-2(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,302 INFO L857 garLoopResultBuilder]: For program point L707-3(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,302 INFO L857 garLoopResultBuilder]: For program point L707-5(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,302 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 23:56:26,302 INFO L857 garLoopResultBuilder]: For program point L707-6(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,302 INFO L853 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2021-10-28 23:56:26,302 INFO L853 garLoopResultBuilder]: At program point L509-1(lines 509 515) the Hoare annotation is: false [2021-10-28 23:56:26,302 INFO L857 garLoopResultBuilder]: For program point L707-8(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,302 INFO L853 garLoopResultBuilder]: At program point L509-2(lines 509 515) the Hoare annotation is: false [2021-10-28 23:56:26,303 INFO L857 garLoopResultBuilder]: For program point L707-9(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,303 INFO L857 garLoopResultBuilder]: For program point L707-11(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,303 INFO L857 garLoopResultBuilder]: For program point L707-12(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,303 INFO L857 garLoopResultBuilder]: For program point L707-14(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,303 INFO L857 garLoopResultBuilder]: For program point L707-15(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,303 INFO L857 garLoopResultBuilder]: For program point L707-17(lines 707 711) no Hoare annotation was computed. [2021-10-28 23:56:26,303 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-10-28 23:56:26,303 INFO L857 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2021-10-28 23:56:26,304 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 23:56:26,304 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 836 844) the Hoare annotation is: false [2021-10-28 23:56:26,304 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 836 844) the Hoare annotation is: false [2021-10-28 23:56:26,304 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 23:56:26,304 INFO L853 garLoopResultBuilder]: At program point L809-1(lines 804 812) the Hoare annotation is: false [2021-10-28 23:56:26,304 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 23:56:26,304 INFO L853 garLoopResultBuilder]: At program point L809-2(lines 804 812) the Hoare annotation is: false [2021-10-28 23:56:26,304 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-10-28 23:56:26,305 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 890) no Hoare annotation was computed. [2021-10-28 23:56:26,305 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 502 508) no Hoare annotation was computed. [2021-10-28 23:56:26,305 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 23:56:26,305 INFO L857 garLoopResultBuilder]: For program point L877-2(lines 877 890) no Hoare annotation was computed. [2021-10-28 23:56:26,305 INFO L853 garLoopResultBuilder]: At program point L877-3(lines 1 989) the Hoare annotation is: false [2021-10-28 23:56:26,305 INFO L857 garLoopResultBuilder]: For program point L877-4(lines 877 890) no Hoare annotation was computed. [2021-10-28 23:56:26,305 INFO L853 garLoopResultBuilder]: At program point L877-5(lines 1 989) the Hoare annotation is: false [2021-10-28 23:56:26,306 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2021-10-28 23:56:26,306 INFO L860 garLoopResultBuilder]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2021-10-28 23:56:26,306 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 23:56:26,306 INFO L853 garLoopResultBuilder]: At program point L713-1(lines 698 716) the Hoare annotation is: false [2021-10-28 23:56:26,306 INFO L853 garLoopResultBuilder]: At program point L713-2(lines 698 716) the Hoare annotation is: false [2021-10-28 23:56:26,306 INFO L853 garLoopResultBuilder]: At program point L713-3(lines 698 716) the Hoare annotation is: false [2021-10-28 23:56:26,307 INFO L853 garLoopResultBuilder]: At program point L713-4(lines 698 716) the Hoare annotation is: false [2021-10-28 23:56:26,307 INFO L853 garLoopResultBuilder]: At program point L713-5(lines 698 716) the Hoare annotation is: false [2021-10-28 23:56:26,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:56:26,307 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-10-28 23:56:26,307 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 23:56:26,307 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2021-10-28 23:56:26,307 INFO L857 garLoopResultBuilder]: For program point L881-2(lines 881 887) no Hoare annotation was computed. [2021-10-28 23:56:26,308 INFO L857 garLoopResultBuilder]: For program point L881-4(lines 881 887) no Hoare annotation was computed. [2021-10-28 23:56:26,308 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,308 INFO L857 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,308 INFO L857 garLoopResultBuilder]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,308 INFO L857 garLoopResultBuilder]: For program point L849-3(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,308 INFO L857 garLoopResultBuilder]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,308 INFO L857 garLoopResultBuilder]: For program point L849-5(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,309 INFO L857 garLoopResultBuilder]: For program point L849-6(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,309 INFO L857 garLoopResultBuilder]: For program point L849-7(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,309 INFO L857 garLoopResultBuilder]: For program point L849-8(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,309 INFO L857 garLoopResultBuilder]: For program point L849-9(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,309 INFO L857 garLoopResultBuilder]: For program point L849-10(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,309 INFO L857 garLoopResultBuilder]: For program point L849-11(lines 849 855) no Hoare annotation was computed. [2021-10-28 23:56:26,309 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 788) no Hoare annotation was computed. [2021-10-28 23:56:26,310 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 23:56:26,310 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 603) no Hoare annotation was computed. [2021-10-28 23:56:26,310 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 586 603) no Hoare annotation was computed. [2021-10-28 23:56:26,310 INFO L857 garLoopResultBuilder]: For program point L586-2(lines 586 603) no Hoare annotation was computed. [2021-10-28 23:56:26,310 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:56:26,310 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,310 INFO L857 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,310 INFO L857 garLoopResultBuilder]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,311 INFO L857 garLoopResultBuilder]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,311 INFO L857 garLoopResultBuilder]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,311 INFO L857 garLoopResultBuilder]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,311 INFO L857 garLoopResultBuilder]: For program point L688-9(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,311 INFO L857 garLoopResultBuilder]: For program point L688-11(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,311 INFO L857 garLoopResultBuilder]: For program point L688-12(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,311 INFO L857 garLoopResultBuilder]: For program point L688-14(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,311 INFO L857 garLoopResultBuilder]: For program point L688-15(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,312 INFO L857 garLoopResultBuilder]: For program point L688-17(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,312 INFO L857 garLoopResultBuilder]: For program point L688-18(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,312 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:56:26,312 INFO L857 garLoopResultBuilder]: For program point L688-20(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,312 INFO L857 garLoopResultBuilder]: For program point L688-21(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,312 INFO L860 garLoopResultBuilder]: At program point L986(lines 967 989) the Hoare annotation is: true [2021-10-28 23:56:26,312 INFO L857 garLoopResultBuilder]: For program point L688-23(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,313 INFO L857 garLoopResultBuilder]: For program point L688-24(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,313 INFO L853 garLoopResultBuilder]: At program point L854(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,313 INFO L857 garLoopResultBuilder]: For program point L688-26(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,313 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 23:56:26,313 INFO L857 garLoopResultBuilder]: For program point L688-27(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,313 INFO L853 garLoopResultBuilder]: At program point L854-2(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,313 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 23:56:26,314 INFO L857 garLoopResultBuilder]: For program point L688-29(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,314 INFO L853 garLoopResultBuilder]: At program point L854-4(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,314 INFO L857 garLoopResultBuilder]: For program point L688-30(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,314 INFO L853 garLoopResultBuilder]: At program point L854-5(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,314 INFO L853 garLoopResultBuilder]: At program point L854-6(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,314 INFO L857 garLoopResultBuilder]: For program point L688-32(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,314 INFO L853 garLoopResultBuilder]: At program point L854-7(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,314 INFO L857 garLoopResultBuilder]: For program point L688-33(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,315 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 598) no Hoare annotation was computed. [2021-10-28 23:56:26,315 INFO L853 garLoopResultBuilder]: At program point L854-8(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,315 INFO L857 garLoopResultBuilder]: For program point L590-1(lines 590 598) no Hoare annotation was computed. [2021-10-28 23:56:26,315 INFO L853 garLoopResultBuilder]: At program point L854-9(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,315 INFO L857 garLoopResultBuilder]: For program point L688-35(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:56:26,315 INFO L857 garLoopResultBuilder]: For program point L590-2(lines 590 598) no Hoare annotation was computed. [2021-10-28 23:56:26,315 INFO L853 garLoopResultBuilder]: At program point L854-10(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,316 INFO L853 garLoopResultBuilder]: At program point L854-11(lines 845 858) the Hoare annotation is: false [2021-10-28 23:56:26,316 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 23:56:26,316 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2021-10-28 23:56:26,316 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2021-10-28 23:56:26,316 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2021-10-28 23:56:26,316 INFO L857 garLoopResultBuilder]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2021-10-28 23:56:26,316 INFO L857 garLoopResultBuilder]: For program point L560-3(lines 560 577) no Hoare annotation was computed. [2021-10-28 23:56:26,317 INFO L857 garLoopResultBuilder]: For program point L560-4(lines 560 577) no Hoare annotation was computed. [2021-10-28 23:56:26,317 INFO L857 garLoopResultBuilder]: For program point L560-5(lines 560 577) no Hoare annotation was computed. [2021-10-28 23:56:26,317 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:56:26,317 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-28 23:56:26,317 INFO L857 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2021-10-28 23:56:26,317 INFO L857 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2021-10-28 23:56:26,317 INFO L853 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,318 INFO L857 garLoopResultBuilder]: For program point L760-2(line 760) no Hoare annotation was computed. [2021-10-28 23:56:26,318 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 23:56:26,318 INFO L853 garLoopResultBuilder]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,318 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 23:56:26,318 INFO L853 garLoopResultBuilder]: At program point L694-4(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,318 INFO L853 garLoopResultBuilder]: At program point L694-5(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,319 INFO L853 garLoopResultBuilder]: At program point L694-6(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,319 INFO L853 garLoopResultBuilder]: At program point L694-7(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,319 INFO L853 garLoopResultBuilder]: At program point L694-8(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,319 INFO L853 garLoopResultBuilder]: At program point L694-9(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,319 INFO L853 garLoopResultBuilder]: At program point L694-10(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,319 INFO L853 garLoopResultBuilder]: At program point L694-11(lines 679 697) the Hoare annotation is: false [2021-10-28 23:56:26,319 INFO L857 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2021-10-28 23:56:26,324 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:26,326 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:56:26,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:56:26 BoogieIcfgContainer [2021-10-28 23:56:26,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:56:26,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:56:26,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:56:26,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:56:26,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:56:11" (3/4) ... [2021-10-28 23:56:26,360 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:56:26,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:56:26,395 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:56:26,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:56:26,399 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:56:26,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:56:26,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:56:26,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:56:26,438 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 23:56:26,439 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 23:56:26,442 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 23:56:26,445 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 23:56:26,447 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 23:56:26,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel [2021-10-28 23:56:26,449 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 23:56:26,450 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 23:56:26,451 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 23:56:26,572 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:56:26,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:56:26,574 INFO L168 Benchmark]: Toolchain (without parser) took 17926.52 ms. Allocated memory was 123.7 MB in the beginning and 262.1 MB in the end (delta: 138.4 MB). Free memory was 90.5 MB in the beginning and 110.4 MB in the end (delta: -19.9 MB). Peak memory consumption was 118.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:26,575 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 34.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:56:26,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.63 ms. Allocated memory is still 123.7 MB. Free memory was 90.2 MB in the beginning and 89.9 MB in the end (delta: 338.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:26,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.29 ms. Allocated memory is still 123.7 MB. Free memory was 89.9 MB in the beginning and 85.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:26,577 INFO L168 Benchmark]: Boogie Preprocessor took 132.84 ms. Allocated memory is still 123.7 MB. Free memory was 85.0 MB in the beginning and 81.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:26,577 INFO L168 Benchmark]: RCFGBuilder took 1585.29 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 81.5 MB in the beginning and 91.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:26,578 INFO L168 Benchmark]: TraceAbstraction took 15089.18 ms. Allocated memory was 148.9 MB in the beginning and 262.1 MB in the end (delta: 113.2 MB). Free memory was 90.4 MB in the beginning and 126.1 MB in the end (delta: -35.7 MB). Peak memory consumption was 127.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:26,578 INFO L168 Benchmark]: Witness Printer took 217.22 ms. Allocated memory is still 262.1 MB. Free memory was 126.1 MB in the beginning and 110.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:26,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 34.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 740.63 ms. Allocated memory is still 123.7 MB. Free memory was 90.2 MB in the beginning and 89.9 MB in the end (delta: 338.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 146.29 ms. Allocated memory is still 123.7 MB. Free memory was 89.9 MB in the beginning and 85.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 132.84 ms. Allocated memory is still 123.7 MB. Free memory was 85.0 MB in the beginning and 81.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1585.29 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 81.5 MB in the beginning and 91.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15089.18 ms. Allocated memory was 148.9 MB in the beginning and 262.1 MB in the end (delta: 113.2 MB). Free memory was 90.4 MB in the beginning and 126.1 MB in the end (delta: -35.7 MB). Peak memory consumption was 127.6 MB. Max. memory is 16.1 GB. * Witness Printer took 217.22 ms. Allocated memory is still 262.1 MB. Free memory was 126.1 MB in the beginning and 110.4 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: 14.9s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1724 SDtfs, 3143 SDslu, 3059 SDs, 0 SdLazy, 481 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s 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: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2265 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 238 NumberOfFragments, 491 HoareAnnotationTreeSize, 66 FomulaSimplifications, 2513350 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 146774 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s 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 23:56:26,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46053061-de9d-4e9e-ae52-1db41b41fcfa/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...