./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.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_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/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_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/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_47e960a4-5bc3-46e8-8153-6fb887de1b51/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 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:51:35,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:35,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:35,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:35,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:35,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:35,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:35,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:35,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:35,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:35,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:35,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:35,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:35,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:35,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:35,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:35,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:35,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:35,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:35,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:35,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:35,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:35,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:35,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:35,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:35,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:35,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:35,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:35,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:35,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:35,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:35,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:35,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:35,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:35,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:35,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:35,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:35,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:35,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:35,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:35,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:35,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:51:35,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:35,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:35,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:35,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:35,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:35,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:35,704 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:35,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:35,704 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:51:35,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:51:35,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:51:35,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:35,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:51:35,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:51:35,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:51:35,706 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:51:35,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:51:35,706 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:35,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:51:35,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:35,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:35,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:51:35,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:35,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:35,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:51:35,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:51:35,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:51:35,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:51:35,709 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:51:35,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:51:35,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:51:35,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:35,710 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_47e960a4-5bc3-46e8-8153-6fb887de1b51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2021-10-28 23:51:36,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:36,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:36,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:36,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:36,068 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:36,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-28 23:51:36,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/data/bff64f678/cff9bcdaa55a48afba682b6fe6b1d68a/FLAG3d6950d74 [2021-10-28 23:51:36,859 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:36,860 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-28 23:51:36,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/data/bff64f678/cff9bcdaa55a48afba682b6fe6b1d68a/FLAG3d6950d74 [2021-10-28 23:51:37,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/data/bff64f678/cff9bcdaa55a48afba682b6fe6b1d68a [2021-10-28 23:51:37,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:37,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:51:37,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:37,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:37,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:37,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adc2f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37, skipping insertion in model container [2021-10-28 23:51:37,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:37,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:37,531 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_47e960a4-5bc3-46e8-8153-6fb887de1b51/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2021-10-28 23:51:37,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:37,676 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:51:37,716 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_47e960a4-5bc3-46e8-8153-6fb887de1b51/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2021-10-28 23:51:37,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:37,802 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:51:37,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37 WrapperNode [2021-10-28 23:51:37,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:37,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:37,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:51:37,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:51:37,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:37,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:51:37,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:51:37,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:51:37,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:51:37,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:51:37,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:51:37,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:51:37,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (1/1) ... [2021-10-28 23:51:37,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:37,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:38,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:38,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:51:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:51:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:51:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:51:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:51:39,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:51:39,169 INFO L299 CfgBuilder]: Removed 122 assume(true) statements. [2021-10-28 23:51:39,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:39 BoogieIcfgContainer [2021-10-28 23:51:39,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:51:39,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:51:39,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:51:39,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:51:39,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:37" (1/3) ... [2021-10-28 23:51:39,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a3b2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:39, skipping insertion in model container [2021-10-28 23:51:39,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:37" (2/3) ... [2021-10-28 23:51:39,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a3b2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:39, skipping insertion in model container [2021-10-28 23:51:39,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:39" (3/3) ... [2021-10-28 23:51:39,185 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2021-10-28 23:51:39,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:51:39,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:51:39,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:51:39,273 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 23:51:39,273 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:51:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 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 23:51:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:51:39,298 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:39,299 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:39,300 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 23:51:39,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:39,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1623272414, now seen corresponding path program 1 times [2021-10-28 23:51:39,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:39,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602664251] [2021-10-28 23:51:39,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:39,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:39,696 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 23:51:39,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:39,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602664251] [2021-10-28 23:51:39,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602664251] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:39,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:39,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:51:39,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119631310] [2021-10-28 23:51:39,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:51:39,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:51:39,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:51:39,738 INFO L87 Difference]: Start difference. First operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:39,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:39,775 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-10-28 23:51:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:51:39,777 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 23:51:39,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:39,788 INFO L225 Difference]: With dead ends: 180 [2021-10-28 23:51:39,788 INFO L226 Difference]: Without dead ends: 89 [2021-10-28 23:51:39,795 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 23:51:39,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-28 23:51:39,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-10-28 23:51:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 88 states have internal predecessors, (126), 0 states have call successors, (0), 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 23:51:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-10-28 23:51:39,834 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-10-28 23:51:39,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:39,835 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-10-28 23:51:39,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-10-28 23:51:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:51:39,837 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:39,837 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:39,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:51:39,838 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 23:51:39,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:39,839 INFO L85 PathProgramCache]: Analyzing trace with hash 352621777, now seen corresponding path program 1 times [2021-10-28 23:51:39,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:39,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579188562] [2021-10-28 23:51:39,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:39,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:39,943 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 23:51:39,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:39,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579188562] [2021-10-28 23:51:39,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579188562] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:39,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:39,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:51:39,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758713736] [2021-10-28 23:51:39,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:51:39,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:39,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:51:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:51:39,948 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:39,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:39,961 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-10-28 23:51:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:51:39,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 23:51:39,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:39,963 INFO L225 Difference]: With dead ends: 89 [2021-10-28 23:51:39,963 INFO L226 Difference]: Without dead ends: 39 [2021-10-28 23:51:39,965 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 23:51:39,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-28 23:51:39,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-28 23:51:39,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 0 states have call successors, (0), 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 23:51:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-10-28 23:51:39,972 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-10-28 23:51:39,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:39,972 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-10-28 23:51:39,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:39,973 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-10-28 23:51:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:51:39,974 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:39,974 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] [2021-10-28 23:51:39,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:51:39,975 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 23:51:39,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:39,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2021-10-28 23:51:39,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:39,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611055503] [2021-10-28 23:51:39,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:39,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:40,138 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 23:51:40,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:40,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611055503] [2021-10-28 23:51:40,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611055503] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:40,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:40,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:51:40,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003193104] [2021-10-28 23:51:40,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:51:40,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:40,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:51:40,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:51:40,142 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:40,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:40,214 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-10-28 23:51:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:51:40,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 23:51:40,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:40,221 INFO L225 Difference]: With dead ends: 72 [2021-10-28 23:51:40,221 INFO L226 Difference]: Without dead ends: 39 [2021-10-28 23:51:40,222 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 23:51:40,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-28 23:51:40,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-28 23:51:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 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 23:51:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-10-28 23:51:40,229 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-10-28 23:51:40,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:40,230 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-10-28 23:51:40,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-10-28 23:51:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 23:51:40,232 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:40,232 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 23:51:40,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:51:40,232 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 23:51:40,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:40,233 INFO L85 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2021-10-28 23:51:40,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:40,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996081796] [2021-10-28 23:51:40,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:40,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:40,307 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 23:51:40,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:40,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996081796] [2021-10-28 23:51:40,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996081796] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:40,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:40,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:51:40,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094092330] [2021-10-28 23:51:40,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:51:40,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:40,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:51:40,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:51:40,310 INFO L87 Difference]: Start difference. First operand 39 states and 54 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 23:51:40,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:40,347 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-28 23:51:40,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:51:40,348 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 23:51:40,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:40,352 INFO L225 Difference]: With dead ends: 95 [2021-10-28 23:51:40,352 INFO L226 Difference]: Without dead ends: 62 [2021-10-28 23:51:40,355 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 23:51:40,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-28 23:51:40,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-28 23:51:40,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 0 states have call successors, (0), 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 23:51:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-10-28 23:51:40,366 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-10-28 23:51:40,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:40,367 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-10-28 23:51:40,372 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 23:51:40,373 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-10-28 23:51:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 23:51:40,374 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:40,374 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 23:51:40,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:51:40,375 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 23:51:40,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:40,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2021-10-28 23:51:40,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:40,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119959709] [2021-10-28 23:51:40,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:40,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:40,545 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 23:51:40,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:40,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119959709] [2021-10-28 23:51:40,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119959709] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:40,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:40,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:51:40,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218469588] [2021-10-28 23:51:40,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:51:40,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:40,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:51:40,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:51:40,549 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:40,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:40,725 INFO L93 Difference]: Finished difference Result 320 states and 467 transitions. [2021-10-28 23:51:40,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:51:40,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-28 23:51:40,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:40,732 INFO L225 Difference]: With dead ends: 320 [2021-10-28 23:51:40,732 INFO L226 Difference]: Without dead ends: 266 [2021-10-28 23:51:40,737 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 23:51:40,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-28 23:51:40,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2021-10-28 23:51:40,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4018691588785046) internal successors, (150), 107 states have internal predecessors, (150), 0 states have call successors, (0), 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 23:51:40,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 150 transitions. [2021-10-28 23:51:40,782 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 150 transitions. Word has length 31 [2021-10-28 23:51:40,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:40,782 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-10-28 23:51:40,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 150 transitions. [2021-10-28 23:51:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:51:40,791 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:40,792 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 23:51:40,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:51:40,792 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 23:51:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:40,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2021-10-28 23:51:40,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:40,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808249753] [2021-10-28 23:51:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:40,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:40,915 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 23:51:40,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:40,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808249753] [2021-10-28 23:51:40,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808249753] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:40,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:40,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:51:40,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503009568] [2021-10-28 23:51:40,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:51:40,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:40,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:51:40,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:51:40,922 INFO L87 Difference]: Start difference. First operand 108 states and 150 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:40,974 INFO L93 Difference]: Finished difference Result 343 states and 483 transitions. [2021-10-28 23:51:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:51:40,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 23:51:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:40,977 INFO L225 Difference]: With dead ends: 343 [2021-10-28 23:51:40,977 INFO L226 Difference]: Without dead ends: 241 [2021-10-28 23:51:40,978 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:51:40,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-10-28 23:51:40,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 108. [2021-10-28 23:51:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.3925233644859814) internal successors, (149), 107 states have internal predecessors, (149), 0 states have call successors, (0), 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 23:51:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 149 transitions. [2021-10-28 23:51:40,997 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 149 transitions. Word has length 32 [2021-10-28 23:51:40,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:40,997 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 149 transitions. [2021-10-28 23:51:40,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 149 transitions. [2021-10-28 23:51:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:51:40,999 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:40,999 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 23:51:40,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:51:41,000 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 23:51:41,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:41,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2021-10-28 23:51:41,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:41,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830449323] [2021-10-28 23:51:41,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:41,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:41,081 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 23:51:41,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:41,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830449323] [2021-10-28 23:51:41,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830449323] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:41,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:41,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:51:41,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102367000] [2021-10-28 23:51:41,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:51:41,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:41,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:51:41,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:41,084 INFO L87 Difference]: Start difference. First operand 108 states and 149 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 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 23:51:41,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:41,194 INFO L93 Difference]: Finished difference Result 386 states and 542 transitions. [2021-10-28 23:51:41,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:51:41,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 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 23:51:41,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:41,208 INFO L225 Difference]: With dead ends: 386 [2021-10-28 23:51:41,208 INFO L226 Difference]: Without dead ends: 284 [2021-10-28 23:51:41,211 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:51:41,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-10-28 23:51:41,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 111. [2021-10-28 23:51:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 0 states have call successors, (0), 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 23:51:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 151 transitions. [2021-10-28 23:51:41,244 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 151 transitions. Word has length 32 [2021-10-28 23:51:41,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:41,244 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 151 transitions. [2021-10-28 23:51:41,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 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 23:51:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 151 transitions. [2021-10-28 23:51:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 23:51:41,247 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:41,248 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, 1, 1, 1] [2021-10-28 23:51:41,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:51:41,248 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 23:51:41,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:41,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2021-10-28 23:51:41,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:41,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052453214] [2021-10-28 23:51:41,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:41,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:41,381 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 23:51:41,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:41,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052453214] [2021-10-28 23:51:41,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052453214] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:41,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:41,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:51:41,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204081693] [2021-10-28 23:51:41,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:51:41,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:41,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:51:41,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:51:41,386 INFO L87 Difference]: Start difference. First operand 111 states and 151 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:41,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:41,632 INFO L93 Difference]: Finished difference Result 814 states and 1107 transitions. [2021-10-28 23:51:41,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 23:51:41,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 23:51:41,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:41,639 INFO L225 Difference]: With dead ends: 814 [2021-10-28 23:51:41,639 INFO L226 Difference]: Without dead ends: 709 [2021-10-28 23:51:41,640 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-28 23:51:41,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2021-10-28 23:51:41,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 202. [2021-10-28 23:51:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 201 states have (on average 1.3532338308457712) internal successors, (272), 201 states have internal predecessors, (272), 0 states have call successors, (0), 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 23:51:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 272 transitions. [2021-10-28 23:51:41,686 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 272 transitions. Word has length 35 [2021-10-28 23:51:41,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:41,687 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 272 transitions. [2021-10-28 23:51:41,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 272 transitions. [2021-10-28 23:51:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 23:51:41,691 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:41,692 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, 1, 1, 1] [2021-10-28 23:51:41,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:51:41,692 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 23:51:41,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:41,693 INFO L85 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2021-10-28 23:51:41,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:41,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348076167] [2021-10-28 23:51:41,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:41,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:41,817 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 23:51:41,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:41,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348076167] [2021-10-28 23:51:41,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348076167] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:41,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:41,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:51:41,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545043101] [2021-10-28 23:51:41,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:51:41,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:41,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:51:41,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:51:41,822 INFO L87 Difference]: Start difference. First operand 202 states and 272 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:42,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:42,028 INFO L93 Difference]: Finished difference Result 516 states and 713 transitions. [2021-10-28 23:51:42,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:51:42,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 23:51:42,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:42,033 INFO L225 Difference]: With dead ends: 516 [2021-10-28 23:51:42,033 INFO L226 Difference]: Without dead ends: 104 [2021-10-28 23:51:42,038 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 23:51:42,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-28 23:51:42,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 97. [2021-10-28 23:51:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.25) internal successors, (120), 96 states have internal predecessors, (120), 0 states have call successors, (0), 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 23:51:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2021-10-28 23:51:42,061 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 35 [2021-10-28 23:51:42,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:42,063 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2021-10-28 23:51:42,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2021-10-28 23:51:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-28 23:51:42,065 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:42,065 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, 1, 1, 1, 1] [2021-10-28 23:51:42,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:51:42,066 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 23:51:42,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:42,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2021-10-28 23:51:42,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:42,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166867919] [2021-10-28 23:51:42,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:42,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:42,169 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 23:51:42,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:42,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166867919] [2021-10-28 23:51:42,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166867919] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:42,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:42,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:51:42,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587268307] [2021-10-28 23:51:42,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:51:42,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:42,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:51:42,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:51:42,173 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:42,324 INFO L93 Difference]: Finished difference Result 229 states and 283 transitions. [2021-10-28 23:51:42,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:51:42,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-28 23:51:42,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:42,325 INFO L225 Difference]: With dead ends: 229 [2021-10-28 23:51:42,325 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:51:42,326 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 23:51:42,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:51:42,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:51:42,327 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 23:51:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:51:42,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-10-28 23:51:42,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:42,328 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:51:42,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:51:42,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:51:42,331 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:42,332 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:42,332 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:42,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:51:42,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:51:42,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:42,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:43,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:51:46,573 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-10-28 23:51:46,573 INFO L857 garLoopResultBuilder]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2021-10-28 23:51:46,573 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2021-10-28 23:51:46,573 INFO L857 garLoopResultBuilder]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2021-10-28 23:51:46,573 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2021-10-28 23:51:46,574 INFO L853 garLoopResultBuilder]: At program point L928-1(lines 1 945) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse6 .cse8) (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse7 .cse8) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse6 .cse8 (= ~pumpRunning~0 1)))) [2021-10-28 23:51:46,574 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 941) no Hoare annotation was computed. [2021-10-28 23:51:46,574 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:51:46,574 INFO L853 garLoopResultBuilder]: At program point L928-3(lines 1 945) the Hoare annotation is: false [2021-10-28 23:51:46,574 INFO L857 garLoopResultBuilder]: For program point L928-4(lines 928 941) no Hoare annotation was computed. [2021-10-28 23:51:46,574 INFO L853 garLoopResultBuilder]: At program point L928-5(lines 1 945) the Hoare annotation is: false [2021-10-28 23:51:46,574 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-10-28 23:51:46,574 INFO L853 garLoopResultBuilder]: At program point L185-1(lines 185 191) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse3 .cse4 (= ~pumpRunning~0 1)))) [2021-10-28 23:51:46,574 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2021-10-28 23:51:46,574 INFO L857 garLoopResultBuilder]: For program point L269-1(lines 269 286) no Hoare annotation was computed. [2021-10-28 23:51:46,575 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-10-28 23:51:46,575 INFO L857 garLoopResultBuilder]: For program point L269-2(lines 269 286) no Hoare annotation was computed. [2021-10-28 23:51:46,575 INFO L853 garLoopResultBuilder]: At program point L203-2(lines 237 243) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse3 .cse4 (= ~pumpRunning~0 1)))) [2021-10-28 23:51:46,575 INFO L853 garLoopResultBuilder]: At program point L484(lines 479 487) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse0 .cse1 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse2 .cse3 (= ~pumpRunning~0 1)))) [2021-10-28 23:51:46,575 INFO L853 garLoopResultBuilder]: At program point L484-1(lines 479 487) the Hoare annotation is: false [2021-10-28 23:51:46,575 INFO L853 garLoopResultBuilder]: At program point L484-2(lines 479 487) the Hoare annotation is: false [2021-10-28 23:51:46,575 INFO L853 garLoopResultBuilder]: At program point L534(lines 1 945) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:51:46,575 INFO L853 garLoopResultBuilder]: At program point L237(lines 236 255) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse3 .cse4 (= ~pumpRunning~0 1)))) [2021-10-28 23:51:46,576 INFO L857 garLoopResultBuilder]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2021-10-28 23:51:46,576 INFO L853 garLoopResultBuilder]: At program point L237-2(lines 236 255) the Hoare annotation is: false [2021-10-28 23:51:46,576 INFO L853 garLoopResultBuilder]: At program point L237-3(lines 236 255) the Hoare annotation is: false [2021-10-28 23:51:46,576 INFO L853 garLoopResultBuilder]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse6 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse6 .cse10 .cse11 .cse7 .cse12 .cse13 .cse14 .cse8) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse10 .cse7 .cse14 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 .cse6 .cse11 .cse7 .cse12 .cse13 .cse8))) [2021-10-28 23:51:46,576 INFO L853 garLoopResultBuilder]: At program point L452-1(lines 447 455) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5 .cse6) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse7 .cse4 .cse6) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse4 .cse6 (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 23:51:46,576 INFO L853 garLoopResultBuilder]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2021-10-28 23:51:46,576 INFO L853 garLoopResultBuilder]: At program point L452-3(lines 447 455) the Hoare annotation is: false [2021-10-28 23:51:46,577 INFO L853 garLoopResultBuilder]: At program point L452-4(lines 447 455) the Hoare annotation is: false [2021-10-28 23:51:46,577 INFO L853 garLoopResultBuilder]: At program point L452-5(lines 447 455) the Hoare annotation is: false [2021-10-28 23:51:46,577 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-10-28 23:51:46,577 INFO L857 garLoopResultBuilder]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2021-10-28 23:51:46,577 INFO L857 garLoopResultBuilder]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2021-10-28 23:51:46,577 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-28 23:51:46,577 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-28 23:51:46,577 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:51:46,577 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed. [2021-10-28 23:51:46,577 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L273-1(lines 273 281) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L306-2(lines 306 312) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L306-4(lines 306 312) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 393) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L389-2(lines 389 393) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L389-3(lines 389 393) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L389-5(lines 389 393) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L389-6(lines 389 393) no Hoare annotation was computed. [2021-10-28 23:51:46,578 INFO L857 garLoopResultBuilder]: For program point L389-8(lines 389 393) no Hoare annotation was computed. [2021-10-28 23:51:46,579 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-10-28 23:51:46,579 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2021-10-28 23:51:46,579 INFO L853 garLoopResultBuilder]: At program point L340(lines 335 343) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_activatePump_~tmp~3 0) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-10-28 23:51:46,579 INFO L853 garLoopResultBuilder]: At program point L340-1(lines 335 343) the Hoare annotation is: false [2021-10-28 23:51:46,579 INFO L853 garLoopResultBuilder]: At program point L340-2(lines 335 343) the Hoare annotation is: false [2021-10-28 23:51:46,579 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-10-28 23:51:46,579 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 175 181) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1) (= ~methaneLevelCritical~0 1) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse3 .cse4 (= ~pumpRunning~0 1)))) [2021-10-28 23:51:46,580 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:51:46,580 INFO L857 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-28 23:51:46,580 INFO L857 garLoopResultBuilder]: For program point L507-1(line 507) no Hoare annotation was computed. [2021-10-28 23:51:46,580 INFO L857 garLoopResultBuilder]: For program point L507-2(line 507) no Hoare annotation was computed. [2021-10-28 23:51:46,580 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-28 23:51:46,580 INFO L853 garLoopResultBuilder]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse4 .cse5 (= ~pumpRunning~0 1)))) [2021-10-28 23:51:46,580 INFO L853 garLoopResultBuilder]: At program point L244-1(lines 244 250) the Hoare annotation is: false [2021-10-28 23:51:46,580 INFO L853 garLoopResultBuilder]: At program point L244-2(lines 244 250) the Hoare annotation is: false [2021-10-28 23:51:46,581 INFO L857 garLoopResultBuilder]: For program point L492(lines 492 498) no Hoare annotation was computed. [2021-10-28 23:51:46,581 INFO L857 garLoopResultBuilder]: For program point L492-1(lines 492 498) no Hoare annotation was computed. [2021-10-28 23:51:46,581 INFO L857 garLoopResultBuilder]: For program point L492-2(lines 492 498) no Hoare annotation was computed. [2021-10-28 23:51:46,581 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 208) no Hoare annotation was computed. [2021-10-28 23:51:46,581 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-28 23:51:46,581 INFO L853 garLoopResultBuilder]: At program point L542(lines 537 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:51:46,581 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2021-10-28 23:51:46,581 INFO L857 garLoopResultBuilder]: For program point L922-2(lines 922 942) no Hoare annotation was computed. [2021-10-28 23:51:46,581 INFO L857 garLoopResultBuilder]: For program point L922-4(lines 922 942) no Hoare annotation was computed. [2021-10-28 23:51:46,582 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:51:46,582 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 431) no Hoare annotation was computed. [2021-10-28 23:51:46,582 INFO L853 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: false [2021-10-28 23:51:46,582 INFO L853 garLoopResultBuilder]: At program point L395(lines 380 398) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse7 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse8 .cse7 .cse9 .cse5 .cse10 .cse11 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse9 .cse5 .cse10 .cse11 .cse6))) [2021-10-28 23:51:46,582 INFO L853 garLoopResultBuilder]: At program point L395-1(lines 380 398) the Hoare annotation is: false [2021-10-28 23:51:46,582 INFO L853 garLoopResultBuilder]: At program point L395-2(lines 380 398) the Hoare annotation is: false [2021-10-28 23:51:46,582 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:51:46,582 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2021-10-28 23:51:46,583 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-28 23:51:46,583 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 237 243) no Hoare annotation was computed. [2021-10-28 23:51:46,583 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-28 23:51:46,583 INFO L853 garLoopResultBuilder]: At program point L331(lines 324 334) the Hoare annotation is: (let ((.cse3 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse11 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse12 .cse13 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse14 .cse11) (and .cse0 .cse1 .cse2 .cse12 .cse13 .cse15 .cse4 .cse7 .cse14 .cse11) (and .cse0 .cse1 .cse2 .cse15 .cse4 .cse5 .cse7 .cse10 .cse11))) [2021-10-28 23:51:46,583 INFO L853 garLoopResultBuilder]: At program point L331-1(lines 324 334) the Hoare annotation is: false [2021-10-28 23:51:46,583 INFO L853 garLoopResultBuilder]: At program point L331-2(lines 324 334) the Hoare annotation is: false [2021-10-28 23:51:46,583 INFO L857 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed. [2021-10-28 23:51:46,583 INFO L853 garLoopResultBuilder]: At program point L497(lines 488 501) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse8 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6))) [2021-10-28 23:51:46,584 INFO L853 garLoopResultBuilder]: At program point L497-1(lines 488 501) the Hoare annotation is: false [2021-10-28 23:51:46,584 INFO L853 garLoopResultBuilder]: At program point L497-2(lines 488 501) the Hoare annotation is: false [2021-10-28 23:51:46,584 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-10-28 23:51:46,587 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:46,589 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:51:46,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:51:46 BoogieIcfgContainer [2021-10-28 23:51:46,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:51:46,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:51:46,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:51:46,624 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:51:46,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:39" (3/4) ... [2021-10-28 23:51:46,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:51:46,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:51:46,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:51:46,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:51:46,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:51:46,652 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:51:46,653 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:51:46,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:51:46,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive) [2021-10-28 23:51:46,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive) [2021-10-28 23:51:46,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 23:51:46,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 23:51:46,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 23:51:46,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 23:51:46,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 23:51:46,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 23:51:46,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) [2021-10-28 23:51:46,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && !(0 == systemActive)) [2021-10-28 23:51:46,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result <= 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 23:51:46,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) [2021-10-28 23:51:46,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 [2021-10-28 23:51:46,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(tmp == 0)) && \result == 1) && !(0 == systemActive)) || (((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) [2021-10-28 23:51:46,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(tmp == 0)) && \result == 1) && \result == 0) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) [2021-10-28 23:51:46,742 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:51:46,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:51:46,744 INFO L168 Benchmark]: Toolchain (without parser) took 9645.61 ms. Allocated memory was 98.6 MB in the beginning and 176.2 MB in the end (delta: 77.6 MB). Free memory was 65.7 MB in the beginning and 55.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 86.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:46,744 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 98.6 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:46,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.68 ms. Allocated memory is still 98.6 MB. Free memory was 65.4 MB in the beginning and 65.2 MB in the end (delta: 288.4 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:46,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.46 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 62.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:46,745 INFO L168 Benchmark]: Boogie Preprocessor took 52.88 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 59.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:46,746 INFO L168 Benchmark]: RCFGBuilder took 1206.56 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 59.6 MB in the beginning and 72.1 MB in the end (delta: -12.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:46,746 INFO L168 Benchmark]: TraceAbstraction took 7448.30 ms. Allocated memory was 121.6 MB in the beginning and 176.2 MB in the end (delta: 54.5 MB). Free memory was 71.5 MB in the beginning and 63.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:46,747 INFO L168 Benchmark]: Witness Printer took 118.19 ms. Allocated memory is still 176.2 MB. Free memory was 63.6 MB in the beginning and 55.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:46,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 98.6 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 702.68 ms. Allocated memory is still 98.6 MB. Free memory was 65.4 MB in the beginning and 65.2 MB in the end (delta: 288.4 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.46 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 62.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.88 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 59.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1206.56 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 59.6 MB in the beginning and 72.1 MB in the end (delta: -12.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7448.30 ms. Allocated memory was 121.6 MB in the beginning and 176.2 MB in the end (delta: 54.5 MB). Free memory was 71.5 MB in the beginning and 63.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 16.1 GB. * Witness Printer took 118.19 ms. Allocated memory is still 176.2 MB. Free memory was 63.6 MB in the beginning and 55.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 507]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 507]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 507]: 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, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 890 SDtfs, 1402 SDslu, 1485 SDs, 0 SdLazy, 206 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=8, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 980 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 189 NumberOfFragments, 1237 HoareAnnotationTreeSize, 40 FomulaSimplifications, 289691 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 40 FomulaSimplificationsInter, 20183 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 236]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(tmp == 0)) && \result == 1) && !(0 == systemActive)) || (((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(tmp == 0)) && \result == 1) && \result == 0) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((((((\result <= 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:51:46,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e960a4-5bc3-46e8-8153-6fb887de1b51/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...