./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8 --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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:04:43,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:04:43,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:04:43,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:04:43,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:04:43,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:04:43,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:04:43,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:04:43,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:04:43,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:04:43,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:04:43,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:04:43,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:04:43,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:04:43,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:04:43,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:04:43,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:04:43,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:04:43,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:04:43,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:04:43,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:04:43,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:04:43,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:04:43,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:04:43,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:04:43,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:04:43,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:04:43,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:04:43,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:04:43,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:04:43,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:04:43,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:04:43,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:04:43,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:04:43,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:04:43,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:04:43,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:04:43,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:04:43,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:04:43,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:04:43,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:04:43,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:04:43,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:04:43,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:04:43,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:04:43,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:04:43,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:04:43,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:04:43,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:04:43,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:04:43,950 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:04:43,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:04:43,950 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:04:43,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:04:43,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:04:43,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:04:43,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:04:43,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:04:43,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:04:43,951 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:04:43,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:04:43,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:04:43,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:04:43,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:04:43,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:04:43,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:04:43,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:04:43,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:04:43,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:04:43,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:04:43,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:04:43,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:04:43,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:04:43,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:04:43,953 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:04:43,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:04:43,953 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:04:43,953 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2022-12-13 20:04:44,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:04:44,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:04:44,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:04:44,133 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:04:44,133 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:04:44,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2022-12-13 20:04:46,702 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:04:46,885 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:04:46,885 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2022-12-13 20:04:46,893 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/data/d3252c25e/6fa6145abd6c4d499373bd3857db16e1/FLAGc5082c2dc [2022-12-13 20:04:47,287 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/data/d3252c25e/6fa6145abd6c4d499373bd3857db16e1 [2022-12-13 20:04:47,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:04:47,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:04:47,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:04:47,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:04:47,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:04:47,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a91b251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47, skipping insertion in model container [2022-12-13 20:04:47,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:04:47,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:04:47,455 WARN L237 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_a2c887c2-ed59-45a1-a363-4c02e4444f86/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2022-12-13 20:04:47,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:04:47,501 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:04:47,520 WARN L237 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_a2c887c2-ed59-45a1-a363-4c02e4444f86/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2022-12-13 20:04:47,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:04:47,556 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:04:47,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47 WrapperNode [2022-12-13 20:04:47,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:04:47,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:04:47,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:04:47,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:04:47,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,588 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 185 [2022-12-13 20:04:47,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:04:47,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:04:47,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:04:47,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:04:47,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,609 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:04:47,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:04:47,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:04:47,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:04:47,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (1/1) ... [2022-12-13 20:04:47,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:04:47,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:04:47,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:04:47,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:04:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:04:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 20:04:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 20:04:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 20:04:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 20:04:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 20:04:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 20:04:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 20:04:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 20:04:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 20:04:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 20:04:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 20:04:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 20:04:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-12-13 20:04:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-12-13 20:04:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:04:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 20:04:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 20:04:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:04:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:04:47,732 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:04:47,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:04:47,937 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:04:47,943 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:04:47,943 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:04:47,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:47 BoogieIcfgContainer [2022-12-13 20:04:47,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:04:47,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:04:47,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:04:47,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:04:47,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:04:47" (1/3) ... [2022-12-13 20:04:47,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1530d622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:04:47, skipping insertion in model container [2022-12-13 20:04:47,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:47" (2/3) ... [2022-12-13 20:04:47,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1530d622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:04:47, skipping insertion in model container [2022-12-13 20:04:47,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:47" (3/3) ... [2022-12-13 20:04:47,952 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2022-12-13 20:04:47,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:04:47,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:04:48,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:04:48,006 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71eabcd7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:04:48,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:04:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-13 20:04:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 20:04:48,015 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:48,016 INFO L195 NwaCegarLoop]: 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] [2022-12-13 20:04:48,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:48,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:48,020 INFO L85 PathProgramCache]: Analyzing trace with hash 460925055, now seen corresponding path program 1 times [2022-12-13 20:04:48,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:48,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230247969] [2022-12-13 20:04:48,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:48,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:04:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:48,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:48,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230247969] [2022-12-13 20:04:48,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230247969] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:48,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:48,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:04:48,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658756924] [2022-12-13 20:04:48,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:48,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:04:48,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:48,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:04:48,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:04:48,197 INFO L87 Difference]: Start difference. First operand has 94 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:04:48,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:48,231 INFO L93 Difference]: Finished difference Result 180 states and 243 transitions. [2022-12-13 20:04:48,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:04:48,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-12-13 20:04:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:48,240 INFO L225 Difference]: With dead ends: 180 [2022-12-13 20:04:48,241 INFO L226 Difference]: Without dead ends: 85 [2022-12-13 20:04:48,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:04:48,247 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:48,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:04:48,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-12-13 20:04:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-12-13 20:04:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 70 states have internal predecessors, (82), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 20:04:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-12-13 20:04:48,286 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 23 [2022-12-13 20:04:48,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:48,286 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-12-13 20:04:48,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:04:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-12-13 20:04:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 20:04:48,289 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:48,289 INFO L195 NwaCegarLoop]: 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] [2022-12-13 20:04:48,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:04:48,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:48,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:48,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1826997256, now seen corresponding path program 1 times [2022-12-13 20:04:48,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:48,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888963286] [2022-12-13 20:04:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:48,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:04:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:48,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:48,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888963286] [2022-12-13 20:04:48,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888963286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:48,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:48,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:04:48,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224214294] [2022-12-13 20:04:48,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:48,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:04:48,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:48,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:04:48,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:04:48,374 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:04:48,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:48,387 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions. [2022-12-13 20:04:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:04:48,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-12-13 20:04:48,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:48,388 INFO L225 Difference]: With dead ends: 135 [2022-12-13 20:04:48,389 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 20:04:48,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:04:48,390 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 13 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:48,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 175 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:04:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 20:04:48,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 20:04:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 64 states have internal predecessors, (75), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 20:04:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-12-13 20:04:48,398 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 24 [2022-12-13 20:04:48,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:48,398 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-12-13 20:04:48,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:04:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-12-13 20:04:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 20:04:48,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:48,399 INFO L195 NwaCegarLoop]: 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] [2022-12-13 20:04:48,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:04:48,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:48,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:48,400 INFO L85 PathProgramCache]: Analyzing trace with hash 844834205, now seen corresponding path program 1 times [2022-12-13 20:04:48,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:48,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573761842] [2022-12-13 20:04:48,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:48,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:04:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:48,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:48,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573761842] [2022-12-13 20:04:48,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573761842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:48,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:48,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:04:48,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461674327] [2022-12-13 20:04:48,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:48,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:04:48,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:48,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:04:48,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:04:48,464 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:04:48,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:48,483 INFO L93 Difference]: Finished difference Result 145 states and 188 transitions. [2022-12-13 20:04:48,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:04:48,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-12-13 20:04:48,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:48,484 INFO L225 Difference]: With dead ends: 145 [2022-12-13 20:04:48,484 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 20:04:48,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:04:48,486 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:48,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 95 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:04:48,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 20:04:48,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 20:04:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 20:04:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2022-12-13 20:04:48,494 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 29 [2022-12-13 20:04:48,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:48,494 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2022-12-13 20:04:48,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:04:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-12-13 20:04:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 20:04:48,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:48,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:48,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:04:48,495 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:48,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash -589702700, now seen corresponding path program 1 times [2022-12-13 20:04:48,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:48,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022272570] [2022-12-13 20:04:48,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:48,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:04:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:04:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 20:04:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:48,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:48,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022272570] [2022-12-13 20:04:48,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022272570] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:48,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:48,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:04:48,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270346488] [2022-12-13 20:04:48,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:48,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:04:48,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:48,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:04:48,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:04:48,588 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 20:04:48,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:48,759 INFO L93 Difference]: Finished difference Result 223 states and 280 transitions. [2022-12-13 20:04:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:04:48,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2022-12-13 20:04:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:48,760 INFO L225 Difference]: With dead ends: 223 [2022-12-13 20:04:48,760 INFO L226 Difference]: Without dead ends: 154 [2022-12-13 20:04:48,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:04:48,762 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 169 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:48,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 263 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:04:48,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-12-13 20:04:48,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2022-12-13 20:04:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 111 states have (on average 1.2432432432432432) internal successors, (138), 119 states have internal predecessors, (138), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-12-13 20:04:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 179 transitions. [2022-12-13 20:04:48,783 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 179 transitions. Word has length 39 [2022-12-13 20:04:48,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:48,783 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 179 transitions. [2022-12-13 20:04:48,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 20:04:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 179 transitions. [2022-12-13 20:04:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 20:04:48,784 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:48,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:48,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:04:48,785 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:48,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:48,785 INFO L85 PathProgramCache]: Analyzing trace with hash -504032566, now seen corresponding path program 1 times [2022-12-13 20:04:48,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:48,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421694472] [2022-12-13 20:04:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:48,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:04:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:04:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:04:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:48,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:48,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421694472] [2022-12-13 20:04:48,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421694472] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:48,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:48,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:04:48,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271784558] [2022-12-13 20:04:48,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:48,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:04:48,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:48,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:04:48,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:04:48,883 INFO L87 Difference]: Start difference. First operand 148 states and 179 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 20:04:49,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:49,106 INFO L93 Difference]: Finished difference Result 431 states and 548 transitions. [2022-12-13 20:04:49,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 20:04:49,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-12-13 20:04:49,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:49,109 INFO L225 Difference]: With dead ends: 431 [2022-12-13 20:04:49,109 INFO L226 Difference]: Without dead ends: 290 [2022-12-13 20:04:49,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:04:49,111 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 201 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:49,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 379 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:04:49,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-12-13 20:04:49,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 242. [2022-12-13 20:04:49,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 183 states have (on average 1.2459016393442623) internal successors, (228), 194 states have internal predecessors, (228), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-12-13 20:04:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 298 transitions. [2022-12-13 20:04:49,144 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 298 transitions. Word has length 45 [2022-12-13 20:04:49,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:49,145 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 298 transitions. [2022-12-13 20:04:49,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 20:04:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 298 transitions. [2022-12-13 20:04:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 20:04:49,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:49,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:49,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:04:49,147 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:49,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash -722887284, now seen corresponding path program 1 times [2022-12-13 20:04:49,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:49,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682682077] [2022-12-13 20:04:49,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:49,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:04:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:04:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:04:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:49,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:49,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682682077] [2022-12-13 20:04:49,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682682077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:49,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:49,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:04:49,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863750063] [2022-12-13 20:04:49,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:49,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:04:49,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:49,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:04:49,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:04:49,265 INFO L87 Difference]: Start difference. First operand 242 states and 298 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 20:04:49,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:49,443 INFO L93 Difference]: Finished difference Result 264 states and 324 transitions. [2022-12-13 20:04:49,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:04:49,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-12-13 20:04:49,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:49,446 INFO L225 Difference]: With dead ends: 264 [2022-12-13 20:04:49,446 INFO L226 Difference]: Without dead ends: 262 [2022-12-13 20:04:49,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:04:49,448 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 125 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:49,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 347 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:04:49,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-12-13 20:04:49,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 242. [2022-12-13 20:04:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 183 states have (on average 1.2295081967213115) internal successors, (225), 194 states have internal predecessors, (225), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-12-13 20:04:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 295 transitions. [2022-12-13 20:04:49,466 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 295 transitions. Word has length 45 [2022-12-13 20:04:49,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:49,467 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 295 transitions. [2022-12-13 20:04:49,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 20:04:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 295 transitions. [2022-12-13 20:04:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 20:04:49,468 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:49,468 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:49,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:04:49,468 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:49,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:49,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1539826399, now seen corresponding path program 1 times [2022-12-13 20:04:49,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:49,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356863503] [2022-12-13 20:04:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:49,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:04:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:04:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:04:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 20:04:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 20:04:49,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:49,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356863503] [2022-12-13 20:04:49,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356863503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:49,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:49,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:04:49,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370200874] [2022-12-13 20:04:49,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:49,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:04:49,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:49,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:04:49,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:04:49,551 INFO L87 Difference]: Start difference. First operand 242 states and 295 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 20:04:49,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:49,678 INFO L93 Difference]: Finished difference Result 495 states and 616 transitions. [2022-12-13 20:04:49,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:04:49,679 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-12-13 20:04:49,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:49,681 INFO L225 Difference]: With dead ends: 495 [2022-12-13 20:04:49,681 INFO L226 Difference]: Without dead ends: 260 [2022-12-13 20:04:49,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:04:49,683 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 65 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:49,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 329 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:04:49,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-12-13 20:04:49,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 248. [2022-12-13 20:04:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 189 states have (on average 1.2222222222222223) internal successors, (231), 200 states have internal predecessors, (231), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-12-13 20:04:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 301 transitions. [2022-12-13 20:04:49,710 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 301 transitions. Word has length 55 [2022-12-13 20:04:49,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:49,710 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 301 transitions. [2022-12-13 20:04:49,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 20:04:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 301 transitions. [2022-12-13 20:04:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 20:04:49,712 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:49,712 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:49,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:04:49,712 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:49,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:49,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1562458653, now seen corresponding path program 1 times [2022-12-13 20:04:49,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:49,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226535360] [2022-12-13 20:04:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:49,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:04:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:04:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:04:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 20:04:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 20:04:49,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:49,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226535360] [2022-12-13 20:04:49,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226535360] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:49,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:49,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:04:49,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818216505] [2022-12-13 20:04:49,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:49,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:04:49,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:49,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:04:49,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:04:49,781 INFO L87 Difference]: Start difference. First operand 248 states and 301 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 20:04:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:49,897 INFO L93 Difference]: Finished difference Result 446 states and 546 transitions. [2022-12-13 20:04:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:04:49,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-12-13 20:04:49,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:49,899 INFO L225 Difference]: With dead ends: 446 [2022-12-13 20:04:49,899 INFO L226 Difference]: Without dead ends: 205 [2022-12-13 20:04:49,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:04:49,900 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 156 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:49,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 229 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:04:49,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-12-13 20:04:49,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 200. [2022-12-13 20:04:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 152 states have (on average 1.1973684210526316) internal successors, (182), 161 states have internal predecessors, (182), 24 states have call successors, (24), 21 states have call predecessors, (24), 23 states have return successors, (29), 24 states have call predecessors, (29), 24 states have call successors, (29) [2022-12-13 20:04:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 235 transitions. [2022-12-13 20:04:49,911 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 235 transitions. Word has length 55 [2022-12-13 20:04:49,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:49,911 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 235 transitions. [2022-12-13 20:04:49,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 20:04:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 235 transitions. [2022-12-13 20:04:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-13 20:04:49,912 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:49,912 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:49,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:04:49,912 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:49,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:49,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1860054005, now seen corresponding path program 1 times [2022-12-13 20:04:49,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:49,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542575459] [2022-12-13 20:04:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:49,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:04:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 20:04:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:04:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:04:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 20:04:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 20:04:50,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:50,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542575459] [2022-12-13 20:04:50,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542575459] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:50,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:50,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 20:04:50,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255711340] [2022-12-13 20:04:50,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:50,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 20:04:50,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:50,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 20:04:50,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:04:50,083 INFO L87 Difference]: Start difference. First operand 200 states and 235 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 20:04:50,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:50,617 INFO L93 Difference]: Finished difference Result 639 states and 773 transitions. [2022-12-13 20:04:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 20:04:50,618 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-12-13 20:04:50,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:50,620 INFO L225 Difference]: With dead ends: 639 [2022-12-13 20:04:50,620 INFO L226 Difference]: Without dead ends: 446 [2022-12-13 20:04:50,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 20:04:50,622 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 387 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:50,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 458 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:04:50,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-12-13 20:04:50,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 368. [2022-12-13 20:04:50,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 275 states have (on average 1.1745454545454546) internal successors, (323), 293 states have internal predecessors, (323), 47 states have call successors, (47), 41 states have call predecessors, (47), 45 states have return successors, (62), 46 states have call predecessors, (62), 47 states have call successors, (62) [2022-12-13 20:04:50,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 432 transitions. [2022-12-13 20:04:50,643 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 432 transitions. Word has length 59 [2022-12-13 20:04:50,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:50,643 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 432 transitions. [2022-12-13 20:04:50,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 20:04:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 432 transitions. [2022-12-13 20:04:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-13 20:04:50,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:50,645 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:50,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:04:50,645 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:50,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:50,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1925782386, now seen corresponding path program 1 times [2022-12-13 20:04:50,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:50,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809444319] [2022-12-13 20:04:50,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:50,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:04:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:04:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:04:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:04:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:04:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 20:04:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 20:04:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 20:04:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:04:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 20:04:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:04:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 20:04:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 20:04:50,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:50,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809444319] [2022-12-13 20:04:50,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809444319] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:04:50,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414494153] [2022-12-13 20:04:50,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:50,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:04:50,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:04:50,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:04:50,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:04:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 20:04:50,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:04:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 20:04:51,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:04:51,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414494153] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:51,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:04:51,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-12-13 20:04:51,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857667491] [2022-12-13 20:04:51,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:51,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:04:51,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:51,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:04:51,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-12-13 20:04:51,074 INFO L87 Difference]: Start difference. First operand 368 states and 432 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 20:04:51,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:04:51,198 INFO L93 Difference]: Finished difference Result 813 states and 958 transitions. [2022-12-13 20:04:51,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:04:51,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-12-13 20:04:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:04:51,199 INFO L225 Difference]: With dead ends: 813 [2022-12-13 20:04:51,199 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:04:51,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:04:51,200 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 68 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:04:51,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 960 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:04:51,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:04:51,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:04:51,201 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) [2022-12-13 20:04:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:04:51,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-12-13 20:04:51,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:04:51,201 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:04:51,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 20:04:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:04:51,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:04:51,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:04:51,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:04:51,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:04:51,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:04:53,198 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2022-12-13 20:04:53,199 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2022-12-13 20:04:53,199 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 541) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) .cse0) (or (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-12-13 20:04:53,199 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 530 541) no Hoare annotation was computed. [2022-12-13 20:04:53,199 INFO L899 garLoopResultBuilder]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2022-12-13 20:04:53,199 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 542 550) the Hoare annotation is: true [2022-12-13 20:04:53,199 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 542 550) no Hoare annotation was computed. [2022-12-13 20:04:53,199 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 542 550) no Hoare annotation was computed. [2022-12-13 20:04:53,200 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 335 364) no Hoare annotation was computed. [2022-12-13 20:04:53,200 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2022-12-13 20:04:53,200 INFO L902 garLoopResultBuilder]: At program point L349-1(lines 349 353) the Hoare annotation is: true [2022-12-13 20:04:53,200 INFO L899 garLoopResultBuilder]: For program point L346(line 346) no Hoare annotation was computed. [2022-12-13 20:04:53,200 INFO L902 garLoopResultBuilder]: At program point L345-2(lines 345 359) the Hoare annotation is: true [2022-12-13 20:04:53,200 INFO L902 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-12-13 20:04:53,200 INFO L899 garLoopResultBuilder]: For program point L341-1(line 341) no Hoare annotation was computed. [2022-12-13 20:04:53,200 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 364) the Hoare annotation is: true [2022-12-13 20:04:53,200 INFO L902 garLoopResultBuilder]: At program point L360(lines 335 364) the Hoare annotation is: true [2022-12-13 20:04:53,200 INFO L899 garLoopResultBuilder]: For program point L356(line 356) no Hoare annotation was computed. [2022-12-13 20:04:53,200 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2022-12-13 20:04:53,201 INFO L895 garLoopResultBuilder]: At program point L510-2(lines 506 517) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse1 (and .cse0 .cse3) (not (= ~methaneLevelCritical~0 0))))) [2022-12-13 20:04:53,201 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2022-12-13 20:04:53,201 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 20:04:53,201 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse1 (and .cse0 .cse3) (not (= ~methaneLevelCritical~0 0))))) [2022-12-13 20:04:53,201 INFO L899 garLoopResultBuilder]: For program point L198-1(line 198) no Hoare annotation was computed. [2022-12-13 20:04:53,201 INFO L895 garLoopResultBuilder]: At program point L483(line 483) the Hoare annotation is: (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (and .cse4 .cse1 .cse5)) (or .cse2 (and .cse4 .cse0) (and .cse0 .cse1) .cse3 .cse5))) [2022-12-13 20:04:53,201 INFO L899 garLoopResultBuilder]: For program point L483-1(line 483) no Hoare annotation was computed. [2022-12-13 20:04:53,202 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-12-13 20:04:53,202 INFO L895 garLoopResultBuilder]: At program point L211-1(lines 192 216) the Hoare annotation is: (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (and .cse4 .cse1 .cse5)) (or .cse2 (and .cse4 .cse0) (and .cse0 .cse1) .cse3 .cse5))) [2022-12-13 20:04:53,202 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2022-12-13 20:04:53,202 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 468 475) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-12-13 20:04:53,202 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 157) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-12-13 20:04:53,202 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 242 249) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse1) .cse2) (or .cse3 .cse0 .cse2) (or .cse0 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0))))) [2022-12-13 20:04:53,202 INFO L899 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2022-12-13 20:04:53,202 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2022-12-13 20:04:53,203 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 137 156) no Hoare annotation was computed. [2022-12-13 20:04:53,203 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 261 269) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-12-13 20:04:53,203 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2022-12-13 20:04:53,203 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2022-12-13 20:04:53,203 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2022-12-13 20:04:53,203 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 498) no Hoare annotation was computed. [2022-12-13 20:04:53,203 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 213) no Hoare annotation was computed. [2022-12-13 20:04:53,203 INFO L895 garLoopResultBuilder]: At program point L485-1(lines 477 501) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse8 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (and .cse8 .cse6)) (.cse2 (not .cse4)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse1 .cse4) (not (<= 1 ~methaneLevelCritical~0)) (and .cse5 .cse1 .cse6)) (or .cse7 .cse0 .cse2 .cse3) (or (and .cse5 .cse8) .cse7 .cse2 (and .cse0 .cse1 .cse4 .cse8) .cse3)))) [2022-12-13 20:04:53,204 INFO L899 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2022-12-13 20:04:53,204 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 325 332) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-12-13 20:04:53,204 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-12-13 20:04:53,204 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-12-13 20:04:53,204 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 396 405) the Hoare annotation is: true [2022-12-13 20:04:53,204 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-12-13 20:04:53,204 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-12-13 20:04:53,204 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 444 450) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:04:53,204 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 409 431) the Hoare annotation is: true [2022-12-13 20:04:53,205 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:04:53,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:04:53,205 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 389 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:04:53,205 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2022-12-13 20:04:53,205 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-12-13 20:04:53,205 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-12-13 20:04:53,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:04:53,205 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2022-12-13 20:04:53,205 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-12-13 20:04:53,205 INFO L902 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-12-13 20:04:53,206 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-12-13 20:04:53,206 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-12-13 20:04:53,206 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:04:53,206 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 451 457) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:04:53,206 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2022-12-13 20:04:53,206 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-12-13 20:04:53,206 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 458 466) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:04:53,206 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2022-12-13 20:04:53,206 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 518 529) no Hoare annotation was computed. [2022-12-13 20:04:53,206 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 518 529) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-12-13 20:04:53,207 INFO L899 garLoopResultBuilder]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2022-12-13 20:04:53,207 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse7 (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| 0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse2 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~4#1|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5) (or .cse2 .cse6 .cse5) (or .cse0 .cse2 .cse6 .cse4)))) [2022-12-13 20:04:53,207 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2022-12-13 20:04:53,207 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__highWaterSensor_returnLabel#1(lines 217 224) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-12-13 20:04:53,207 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2022-12-13 20:04:53,207 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2022-12-13 20:04:53,207 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 166 190) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-12-13 20:04:53,207 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2022-12-13 20:04:53,208 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse5 .cse2))) [2022-12-13 20:04:53,208 INFO L895 garLoopResultBuilder]: At program point L232-2(lines 225 241) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse3 .cse0 .cse2) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1| ~methaneLevelCritical~0)) .cse4 .cse0 .cse5)))) [2022-12-13 20:04:53,208 INFO L899 garLoopResultBuilder]: For program point L230-1(line 230) no Hoare annotation was computed. [2022-12-13 20:04:53,208 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 583 596) the Hoare annotation is: (let ((.cse8 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse9 (= ~pumpRunning~0 0)) (.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse1)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (and .cse8 .cse9)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse9 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse3 .cse8 .cse0 .cse5) (or .cse7 .cse8 .cse0 .cse2) (or .cse0 .cse4 .cse2 .cse6)))) [2022-12-13 20:04:53,208 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 306 324) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~4#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or .cse5 .cse2 .cse6 .cse4))) [2022-12-13 20:04:53,208 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2022-12-13 20:04:53,208 INFO L899 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2022-12-13 20:04:53,209 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-12-13 20:04:53,209 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2022-12-13 20:04:53,209 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 166 190) no Hoare annotation was computed. [2022-12-13 20:04:53,209 INFO L902 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: true [2022-12-13 20:04:53,209 INFO L899 garLoopResultBuilder]: For program point L255-1(line 255) no Hoare annotation was computed. [2022-12-13 20:04:53,209 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2022-12-13 20:04:53,209 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 250 260) the Hoare annotation is: true [2022-12-13 20:04:53,209 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2022-12-13 20:04:53,212 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:53,215 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:04:53,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:04:53 BoogieIcfgContainer [2022-12-13 20:04:53,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:04:53,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:04:53,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:04:53,237 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:04:53,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:47" (3/4) ... [2022-12-13 20:04:53,240 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:04:53,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 20:04:53,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 20:04:53,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-13 20:04:53,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 20:04:53,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 20:04:53,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 20:04:53,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-12-13 20:04:53,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-12-13 20:04:53,253 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 20:04:53,253 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:04:53,253 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:04:53,253 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:04:53,254 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:04:53,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || !(methaneLevelCritical == 0)) [2022-12-13 20:04:53,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || ((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) [2022-12-13 20:04:53,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((tmp == 0 && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || (tmp == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == 0)) || !(methaneLevelCritical == 0)) [2022-12-13 20:04:53,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || (1 <= tmp && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) [2022-12-13 20:04:53,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-12-13 20:04:53,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(waterLevel == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((pumpRunning == 0 && tmp == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) [2022-12-13 20:04:53,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(waterLevel == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) [2022-12-13 20:04:53,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(waterLevel == 1) || 1 <= \result) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) [2022-12-13 20:04:53,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel == 1) || (((tmp___0 == 0 && 1 <= \result) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (((tmp___0 == 0 && 1 <= \result) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2022-12-13 20:04:53,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:04:53,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:04:53,300 INFO L158 Benchmark]: Toolchain (without parser) took 6007.63ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 112.2MB in the beginning and 63.8MB in the end (delta: 48.4MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2022-12-13 20:04:53,300 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 144.7MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:04:53,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.47ms. Allocated memory is still 144.7MB. Free memory was 111.7MB in the beginning and 93.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:04:53,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.46ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:04:53,301 INFO L158 Benchmark]: Boogie Preprocessor took 22.10ms. Allocated memory is still 144.7MB. Free memory was 91.2MB in the beginning and 89.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:04:53,301 INFO L158 Benchmark]: RCFGBuilder took 332.82ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 73.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:04:53,302 INFO L158 Benchmark]: TraceAbstraction took 5289.55ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 72.9MB in the beginning and 69.0MB in the end (delta: 3.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2022-12-13 20:04:53,302 INFO L158 Benchmark]: Witness Printer took 62.80ms. Allocated memory is still 174.1MB. Free memory was 69.0MB in the beginning and 63.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 20:04:53,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 144.7MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.47ms. Allocated memory is still 144.7MB. Free memory was 111.7MB in the beginning and 93.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.46ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.10ms. Allocated memory is still 144.7MB. Free memory was 91.2MB in the beginning and 89.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.82ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 73.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5289.55ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 72.9MB in the beginning and 69.0MB in the end (delta: 3.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Witness Printer took 62.80ms. Allocated memory is still 174.1MB. Free memory was 69.0MB in the beginning and 63.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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: 472]: 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 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1314 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1275 mSDsluCounter, 3353 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2364 mSDsCounter, 370 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1530 IncrementalHoareTripleChecker+Invalid, 1900 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 370 mSolverCounterUnsat, 989 mSDtfsCounter, 1530 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=9, InterpolantAutomatonStates: 88, 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, 169 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 859 PreInvPairs, 1003 NumberOfFragments, 1333 HoareAnnotationTreeSize, 859 FomulaSimplifications, 1605 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5359 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 989 SizeOfPredicates, 3 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 94/99 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 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((1 <= methaneLevelCritical && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(1 <= methaneLevelCritical)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || ((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(waterLevel == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((pumpRunning == 0 && tmp == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(waterLevel == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((tmp == 0 && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || (tmp == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(waterLevel == 1) || 1 <= \result) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || (1 <= tmp && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((!(waterLevel == 1) || (((tmp___0 == 0 && 1 <= \result) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (((tmp___0 == 0 && 1 <= \result) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:04:53,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c887c2-ed59-45a1-a363-4c02e4444f86/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE