./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN --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 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb --- 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-6b4ec56 [2022-11-20 10:30:01,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:01,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:02,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:02,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:02,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:02,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:02,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:02,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:02,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:02,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:02,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:02,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:02,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:02,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:02,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:02,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:02,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:02,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:02,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:02,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:02,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:02,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:02,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:02,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:02,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:02,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:02,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:02,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:02,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:02,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:02,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:02,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:02,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:02,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:02,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:02,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:02,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:02,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:02,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:02,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:02,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 10:30:02,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:02,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:02,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:02,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:02,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:02,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:02,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:02,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:02,128 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:02,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:02,129 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:30:02,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:02,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:30:02,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:02,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:02,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:02,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:02,131 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:30:02,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:02,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:02,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:02,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:02,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:02,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:02,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:02,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:02,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:02,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:02,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:02,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:02,135 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:02,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:02,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:02,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb [2022-11-20 10:30:02,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:02,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:02,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:02,437 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:02,438 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:02,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-11-20 10:30:05,411 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:05,684 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:05,685 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-11-20 10:30:05,700 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/data/354392fd7/3a6b63911053482c93688e35ce796626/FLAG12ed2ecf0 [2022-11-20 10:30:05,713 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/data/354392fd7/3a6b63911053482c93688e35ce796626 [2022-11-20 10:30:05,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:05,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:05,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:05,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:05,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:05,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:05" (1/1) ... [2022-11-20 10:30:05,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ca81b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:05, skipping insertion in model container [2022-11-20 10:30:05,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:05" (1/1) ... [2022-11-20 10:30:05,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:05,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:06,047 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_27b965af-962e-4c81-96bf-67cd29c267c2/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-11-20 10:30:06,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:06,062 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:06,130 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_27b965af-962e-4c81-96bf-67cd29c267c2/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-11-20 10:30:06,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:06,149 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:06,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06 WrapperNode [2022-11-20 10:30:06,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:06,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:06,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:06,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:06,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,203 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 190 [2022-11-20 10:30:06,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:06,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:06,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:06,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:06,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,231 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:06,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:06,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:06,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:06,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:06,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:06,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:06,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 10:30:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 10:30:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 10:30:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 10:30:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 10:30:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 10:30:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 10:30:06,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 10:30:06,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 10:30:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 10:30:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:30:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 10:30:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 10:30:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:06,479 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:06,482 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:06,825 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:30:06,847 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:30:06,847 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:30:06,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:06 BoogieIcfgContainer [2022-11-20 10:30:06,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:30:06,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:30:06,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:30:06,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:30:06,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:05" (1/3) ... [2022-11-20 10:30:06,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6761bcc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:06, skipping insertion in model container [2022-11-20 10:30:06,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (2/3) ... [2022-11-20 10:30:06,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6761bcc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:06, skipping insertion in model container [2022-11-20 10:30:06,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:06" (3/3) ... [2022-11-20 10:30:06,858 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2022-11-20 10:30:06,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:30:06,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:30:06,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:06,938 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;@24955cd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:06,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:30:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 10:30:06,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 10:30:06,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:06,952 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] [2022-11-20 10:30:06,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:06,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:06,959 INFO L85 PathProgramCache]: Analyzing trace with hash -310918915, now seen corresponding path program 1 times [2022-11-20 10:30:06,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:06,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110450634] [2022-11-20 10:30:06,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:06,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:30:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:07,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:07,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110450634] [2022-11-20 10:30:07,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110450634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:07,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:07,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:07,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747917008] [2022-11-20 10:30:07,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:07,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:30:07,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:07,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:30:07,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:30:07,220 INFO L87 Difference]: Start difference. First operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-20 10:30:07,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:07,299 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2022-11-20 10:30:07,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:30:07,302 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-11-20 10:30:07,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:07,314 INFO L225 Difference]: With dead ends: 154 [2022-11-20 10:30:07,314 INFO L226 Difference]: Without dead ends: 72 [2022-11-20 10:30:07,320 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 [2022-11-20 10:30:07,324 INFO L413 NwaCegarLoop]: 102 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, 102 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 [2022-11-20 10:30:07,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:30:07,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-20 10:30:07,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-20 10:30:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 61 states have internal predecessors, (74), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 10:30:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2022-11-20 10:30:07,366 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 25 [2022-11-20 10:30:07,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:07,367 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2022-11-20 10:30:07,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-20 10:30:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2022-11-20 10:30:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 10:30:07,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:07,370 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] [2022-11-20 10:30:07,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:30:07,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:07,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:07,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1548949891, now seen corresponding path program 1 times [2022-11-20 10:30:07,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:07,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984841699] [2022-11-20 10:30:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 10:30:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:07,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:07,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984841699] [2022-11-20 10:30:07,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984841699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:07,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:07,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:07,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217617776] [2022-11-20 10:30:07,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:07,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:07,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:07,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:07,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:07,562 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-20 10:30:07,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:07,586 INFO L93 Difference]: Finished difference Result 110 states and 142 transitions. [2022-11-20 10:30:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:07,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-11-20 10:30:07,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:07,591 INFO L225 Difference]: With dead ends: 110 [2022-11-20 10:30:07,594 INFO L226 Difference]: Without dead ends: 63 [2022-11-20 10:30:07,595 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 [2022-11-20 10:30:07,598 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 144 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 [2022-11-20 10:30:07,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:30:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-20 10:30:07,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-20 10:30:07,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.34) internal successors, (67), 55 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 10:30:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2022-11-20 10:30:07,625 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 26 [2022-11-20 10:30:07,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:07,625 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2022-11-20 10:30:07,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-20 10:30:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2022-11-20 10:30:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 10:30:07,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:07,631 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] [2022-11-20 10:30:07,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:30:07,631 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:07,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:07,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917381, now seen corresponding path program 1 times [2022-11-20 10:30:07,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:07,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514422446] [2022-11-20 10:30:07,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:07,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 10:30:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:07,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:07,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514422446] [2022-11-20 10:30:07,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514422446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:07,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:07,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:07,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549613279] [2022-11-20 10:30:07,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:07,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:07,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:07,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:07,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:07,837 INFO L87 Difference]: Start difference. First operand 63 states and 81 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-11-20 10:30:07,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:07,863 INFO L93 Difference]: Finished difference Result 119 states and 156 transitions. [2022-11-20 10:30:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:07,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2022-11-20 10:30:07,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:07,865 INFO L225 Difference]: With dead ends: 119 [2022-11-20 10:30:07,866 INFO L226 Difference]: Without dead ends: 63 [2022-11-20 10:30:07,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:07,868 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 79 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 [2022-11-20 10:30:07,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 79 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:30:07,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-20 10:30:07,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-20 10:30:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.32) internal successors, (66), 55 states have internal predecessors, (66), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 10:30:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-11-20 10:30:07,879 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 30 [2022-11-20 10:30:07,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:07,879 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-11-20 10:30:07,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-11-20 10:30:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-11-20 10:30:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 10:30:07,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:07,881 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] [2022-11-20 10:30:07,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:30:07,882 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:07,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:07,883 INFO L85 PathProgramCache]: Analyzing trace with hash -199527812, now seen corresponding path program 1 times [2022-11-20 10:30:07,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:07,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499276947] [2022-11-20 10:30:07,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:07,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 10:30:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 10:30:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:07,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:07,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499276947] [2022-11-20 10:30:07,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499276947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:07,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:07,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:07,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739706688] [2022-11-20 10:30:07,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:07,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:07,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:07,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:07,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:07,977 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:30:08,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:08,016 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-11-20 10:30:08,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:08,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-20 10:30:08,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:08,018 INFO L225 Difference]: With dead ends: 160 [2022-11-20 10:30:08,018 INFO L226 Difference]: Without dead ends: 104 [2022-11-20 10:30:08,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:08,020 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 54 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:08,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 147 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:30:08,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-20 10:30:08,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2022-11-20 10:30:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.3125) internal successors, (105), 87 states have internal predecessors, (105), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-20 10:30:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 129 transitions. [2022-11-20 10:30:08,040 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 129 transitions. Word has length 35 [2022-11-20 10:30:08,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:08,040 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 129 transitions. [2022-11-20 10:30:08,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:30:08,041 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2022-11-20 10:30:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 10:30:08,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:08,042 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] [2022-11-20 10:30:08,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:30:08,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:08,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,044 INFO L85 PathProgramCache]: Analyzing trace with hash -2013550284, now seen corresponding path program 1 times [2022-11-20 10:30:08,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462123877] [2022-11-20 10:30:08,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 10:30:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:30:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:08,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462123877] [2022-11-20 10:30:08,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462123877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:08,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907097813] [2022-11-20 10:30:08,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:30:08,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:08,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:30:08,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:30:08,335 INFO L87 Difference]: Start difference. First operand 102 states and 129 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:30:08,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:08,433 INFO L93 Difference]: Finished difference Result 282 states and 373 transitions. [2022-11-20 10:30:08,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:30:08,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-20 10:30:08,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:08,436 INFO L225 Difference]: With dead ends: 282 [2022-11-20 10:30:08,436 INFO L226 Difference]: Without dead ends: 187 [2022-11-20 10:30:08,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:30:08,439 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 41 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:08,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 312 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:30:08,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-20 10:30:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2022-11-20 10:30:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 152 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2022-11-20 10:30:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2022-11-20 10:30:08,497 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 41 [2022-11-20 10:30:08,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:08,498 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2022-11-20 10:30:08,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:30:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2022-11-20 10:30:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 10:30:08,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:08,503 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] [2022-11-20 10:30:08,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:30:08,504 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:08,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,508 INFO L85 PathProgramCache]: Analyzing trace with hash -583739890, now seen corresponding path program 1 times [2022-11-20 10:30:08,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845399852] [2022-11-20 10:30:08,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:30:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:30:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:30:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:08,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845399852] [2022-11-20 10:30:08,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845399852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:30:08,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150473428] [2022-11-20 10:30:08,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:08,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:08,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:08,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:08,723 INFO L87 Difference]: Start difference. First operand 181 states and 231 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:09,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:09,054 INFO L93 Difference]: Finished difference Result 461 states and 623 transitions. [2022-11-20 10:30:09,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:30:09,055 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-20 10:30:09,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:09,059 INFO L225 Difference]: With dead ends: 461 [2022-11-20 10:30:09,059 INFO L226 Difference]: Without dead ends: 366 [2022-11-20 10:30:09,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:30:09,062 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 163 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:09,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 307 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:30:09,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-20 10:30:09,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 342. [2022-11-20 10:30:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 271 states have (on average 1.2767527675276753) internal successors, (346), 294 states have internal predecessors, (346), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-20 10:30:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 444 transitions. [2022-11-20 10:30:09,122 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 444 transitions. Word has length 45 [2022-11-20 10:30:09,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:09,123 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 444 transitions. [2022-11-20 10:30:09,123 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 444 transitions. [2022-11-20 10:30:09,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 10:30:09,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:09,126 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] [2022-11-20 10:30:09,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:30:09,126 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:09,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:09,127 INFO L85 PathProgramCache]: Analyzing trace with hash -364885172, now seen corresponding path program 1 times [2022-11-20 10:30:09,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:09,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636443962] [2022-11-20 10:30:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:09,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:30:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:30:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:30:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:09,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:09,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636443962] [2022-11-20 10:30:09,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636443962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:09,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:09,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:09,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268615786] [2022-11-20 10:30:09,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:09,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:30:09,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:09,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:30:09,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:30:09,258 INFO L87 Difference]: Start difference. First operand 342 states and 444 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:09,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:09,498 INFO L93 Difference]: Finished difference Result 711 states and 938 transitions. [2022-11-20 10:30:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:30:09,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-20 10:30:09,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:09,502 INFO L225 Difference]: With dead ends: 711 [2022-11-20 10:30:09,502 INFO L226 Difference]: Without dead ends: 451 [2022-11-20 10:30:09,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:30:09,505 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 153 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:09,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 354 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:30:09,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-11-20 10:30:09,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 342. [2022-11-20 10:30:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 271 states have (on average 1.2693726937269372) internal successors, (344), 294 states have internal predecessors, (344), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-20 10:30:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 442 transitions. [2022-11-20 10:30:09,550 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 442 transitions. Word has length 45 [2022-11-20 10:30:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:09,551 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 442 transitions. [2022-11-20 10:30:09,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 442 transitions. [2022-11-20 10:30:09,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 10:30:09,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:09,553 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] [2022-11-20 10:30:09,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:30:09,554 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:09,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:09,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1182533622, now seen corresponding path program 1 times [2022-11-20 10:30:09,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:09,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177914950] [2022-11-20 10:30:09,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:09,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:30:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:30:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:30:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:09,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:09,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177914950] [2022-11-20 10:30:09,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177914950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:09,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:09,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:30:09,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491064766] [2022-11-20 10:30:09,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:09,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:30:09,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:09,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:30:09,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:30:09,664 INFO L87 Difference]: Start difference. First operand 342 states and 442 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:09,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:09,969 INFO L93 Difference]: Finished difference Result 829 states and 1093 transitions. [2022-11-20 10:30:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:30:09,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-20 10:30:09,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:09,972 INFO L225 Difference]: With dead ends: 829 [2022-11-20 10:30:09,973 INFO L226 Difference]: Without dead ends: 494 [2022-11-20 10:30:09,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:30:09,975 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 316 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:09,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 343 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:30:09,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-11-20 10:30:10,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 367. [2022-11-20 10:30:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 295 states have (on average 1.2474576271186442) internal successors, (368), 316 states have internal predecessors, (368), 39 states have call successors, (39), 26 states have call predecessors, (39), 32 states have return successors, (63), 37 states have call predecessors, (63), 39 states have call successors, (63) [2022-11-20 10:30:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 470 transitions. [2022-11-20 10:30:10,028 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 470 transitions. Word has length 45 [2022-11-20 10:30:10,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:10,029 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 470 transitions. [2022-11-20 10:30:10,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:10,029 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 470 transitions. [2022-11-20 10:30:10,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 10:30:10,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:10,031 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] [2022-11-20 10:30:10,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:30:10,031 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:10,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:10,032 INFO L85 PathProgramCache]: Analyzing trace with hash 987986838, now seen corresponding path program 1 times [2022-11-20 10:30:10,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:10,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838531039] [2022-11-20 10:30:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:10,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:10,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:30:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:10,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:30:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-20 10:30:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:30:10,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:10,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838531039] [2022-11-20 10:30:10,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838531039] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:30:10,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250161471] [2022-11-20 10:30:10,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:10,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:30:10,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:10,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:30:10,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:30:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:10,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 10:30:10,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:10,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:10,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:30:10,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250161471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:10,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:30:10,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2022-11-20 10:30:10,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860992825] [2022-11-20 10:30:10,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:10,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:30:10,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:10,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:30:10,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:30:10,581 INFO L87 Difference]: Start difference. First operand 367 states and 470 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:10,804 INFO L93 Difference]: Finished difference Result 1078 states and 1405 transitions. [2022-11-20 10:30:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:30:10,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-11-20 10:30:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:10,810 INFO L225 Difference]: With dead ends: 1078 [2022-11-20 10:30:10,810 INFO L226 Difference]: Without dead ends: 718 [2022-11-20 10:30:10,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:30:10,815 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 108 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:10,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 493 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:30:10,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-11-20 10:30:10,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 688. [2022-11-20 10:30:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 551 states have (on average 1.2304900181488203) internal successors, (678), 586 states have internal predecessors, (678), 75 states have call successors, (75), 51 states have call predecessors, (75), 61 states have return successors, (125), 71 states have call predecessors, (125), 75 states have call successors, (125) [2022-11-20 10:30:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 878 transitions. [2022-11-20 10:30:10,922 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 878 transitions. Word has length 50 [2022-11-20 10:30:10,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:10,923 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 878 transitions. [2022-11-20 10:30:10,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 878 transitions. [2022-11-20 10:30:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 10:30:10,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:10,926 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] [2022-11-20 10:30:10,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:11,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:30:11,132 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:11,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:11,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1869519007, now seen corresponding path program 1 times [2022-11-20 10:30:11,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:11,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812593571] [2022-11-20 10:30:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:30:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:30:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 10:30:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:30:11,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:11,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812593571] [2022-11-20 10:30:11,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812593571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:11,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:11,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:30:11,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404171736] [2022-11-20 10:30:11,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:11,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:11,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:11,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:11,258 INFO L87 Difference]: Start difference. First operand 688 states and 878 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:11,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:11,589 INFO L93 Difference]: Finished difference Result 1271 states and 1632 transitions. [2022-11-20 10:30:11,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:30:11,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-20 10:30:11,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:11,592 INFO L225 Difference]: With dead ends: 1271 [2022-11-20 10:30:11,592 INFO L226 Difference]: Without dead ends: 250 [2022-11-20 10:30:11,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:30:11,597 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 121 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:11,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 375 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:30:11,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-20 10:30:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2022-11-20 10:30:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 192 states have (on average 1.1927083333333333) internal successors, (229), 203 states have internal predecessors, (229), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (31), 24 states have call predecessors, (31), 26 states have call successors, (31) [2022-11-20 10:30:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2022-11-20 10:30:11,627 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 51 [2022-11-20 10:30:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:11,627 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2022-11-20 10:30:11,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:30:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2022-11-20 10:30:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 10:30:11,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:11,629 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] [2022-11-20 10:30:11,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:30:11,629 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:11,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:11,630 INFO L85 PathProgramCache]: Analyzing trace with hash -400361830, now seen corresponding path program 1 times [2022-11-20 10:30:11,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:11,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904425382] [2022-11-20 10:30:11,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:11,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:30:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 10:30:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 10:30:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:30:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:30:11,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:11,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904425382] [2022-11-20 10:30:11,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904425382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:11,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:11,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 10:30:11,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012879474] [2022-11-20 10:30:11,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:11,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:30:11,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:11,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:30:11,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:30:11,810 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:30:12,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:12,343 INFO L93 Difference]: Finished difference Result 473 states and 564 transitions. [2022-11-20 10:30:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 10:30:12,344 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-20 10:30:12,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:12,345 INFO L225 Difference]: With dead ends: 473 [2022-11-20 10:30:12,345 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:30:12,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-11-20 10:30:12,347 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 205 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:12,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 282 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:30:12,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:30:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:30:12,348 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) [2022-11-20 10:30:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:30:12,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-20 10:30:12,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:12,349 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:30:12,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:30:12,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:30:12,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:30:12,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:30:12,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:30:12,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:30:18,208 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2022-11-20 10:30:18,208 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2022-11-20 10:30:18,208 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed. [2022-11-20 10:30:18,208 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 398 409) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse3 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 0 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1))) (or .cse1 (not (= ~pumpRunning~0 1)) .cse2 .cse3 .cse4))) [2022-11-20 10:30:18,208 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2022-11-20 10:30:18,208 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2022-11-20 10:30:18,209 INFO L902 garLoopResultBuilder]: At program point L481-1(lines 481 485) the Hoare annotation is: true [2022-11-20 10:30:18,209 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 467 496) no Hoare annotation was computed. [2022-11-20 10:30:18,210 INFO L899 garLoopResultBuilder]: For program point L478(line 478) no Hoare annotation was computed. [2022-11-20 10:30:18,211 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 467 496) the Hoare annotation is: true [2022-11-20 10:30:18,211 INFO L902 garLoopResultBuilder]: At program point L477-2(lines 477 491) the Hoare annotation is: true [2022-11-20 10:30:18,211 INFO L902 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: true [2022-11-20 10:30:18,211 INFO L899 garLoopResultBuilder]: For program point L473-1(line 473) no Hoare annotation was computed. [2022-11-20 10:30:18,211 INFO L902 garLoopResultBuilder]: At program point L492(lines 467 496) the Hoare annotation is: true [2022-11-20 10:30:18,212 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-11-20 10:30:18,212 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 410 418) the Hoare annotation is: true [2022-11-20 10:30:18,212 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 410 418) no Hoare annotation was computed. [2022-11-20 10:30:18,212 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2022-11-20 10:30:18,212 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2022-11-20 10:30:18,213 INFO L895 garLoopResultBuilder]: At program point L353-1(lines 338 370) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse3 (<= ~waterLevel~0 1)) (.cse5 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse6 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2) (let ((.cse10 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1| 0))) (.cse12 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse13 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse15 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse2) (and .cse9 .cse10 .cse3 .cse4 .cse7) .cse11 .cse0 (and .cse9 .cse10 .cse12 .cse5 .cse13 .cse14 .cse7 .cse15) (not (= ~methaneLevelCritical~0 1)) (and .cse12 .cse5 .cse13 .cse6 .cse14 .cse7 .cse8 .cse15 .cse2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse1) (or (and .cse9 .cse3 .cse4 .cse7) .cse11 .cse0 (and .cse3 .cse4 .cse5 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse6 .cse7 .cse8 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-20 10:30:18,213 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2022-11-20 10:30:18,214 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse15 .cse5 .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (let ((.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) .cse3 .cse4 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse11 .cse7 .cse12 .cse8 .cse13 .cse9 .cse10 .cse14 .cse2) (and .cse15 .cse11 .cse7 .cse12 .cse13 .cse9 .cse14))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse1)))) [2022-11-20 10:30:18,214 INFO L895 garLoopResultBuilder]: At program point L378-2(lines 374 385) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-20 10:30:18,214 INFO L899 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2022-11-20 10:30:18,214 INFO L895 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse3))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-20 10:30:18,215 INFO L895 garLoopResultBuilder]: At program point L263(lines 248 266) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse3 (<= ~waterLevel~0 1) .cse5 .cse4)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (or .cse1 .cse2 .cse0 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (not (= ~methaneLevelCritical~0 1)))))) [2022-11-20 10:30:18,215 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2022-11-20 10:30:18,215 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse6)) (.cse2 (and .cse3 (<= ~waterLevel~0 1) .cse6 .cse4 .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 1)) .cse2 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse4 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse5 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or .cse1 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse2)))) [2022-11-20 10:30:18,215 INFO L899 garLoopResultBuilder]: For program point L197-1(line 197) no Hoare annotation was computed. [2022-11-20 10:30:18,216 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2022-11-20 10:30:18,216 INFO L895 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-20 10:30:18,216 INFO L895 garLoopResultBuilder]: At program point L152-1(lines 133 157) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse15 .cse5 .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (let ((.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) .cse3 .cse4 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse11 .cse7 .cse12 .cse8 .cse13 .cse9 .cse10 .cse14 .cse2) (and .cse15 .cse11 .cse7 .cse12 .cse13 .cse9 .cse14))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse1)))) [2022-11-20 10:30:18,217 INFO L895 garLoopResultBuilder]: At program point L933(lines 928 935) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-20 10:30:18,217 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 367) no Hoare annotation was computed. [2022-11-20 10:30:18,217 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2022-11-20 10:30:18,217 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2022-11-20 10:30:18,217 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 149) no Hoare annotation was computed. [2022-11-20 10:30:18,218 INFO L895 garLoopResultBuilder]: At program point L174-2(lines 167 183) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse3 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse6 (= ~pumpRunning~0 1))) (and (let ((.cse13 (= ~pumpRunning~0 0)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse10 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (not (= ~methaneLevelCritical~0 1)) (and .cse9 .cse2 .cse10 .cse3 .cse11 .cse4 .cse5 .cse12 .cse6) (and .cse13 .cse0 .cse2 .cse4) (and .cse13 .cse9 .cse2 .cse10 .cse11 .cse4 .cse12))) (or .cse8 (not (= |old(~pumpRunning~0)| 1))) (or .cse7 .cse8 (and .cse0 .cse1 .cse2 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse3 .cse4 .cse5 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-20 10:30:18,218 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 154) no Hoare annotation was computed. [2022-11-20 10:30:18,218 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2022-11-20 10:30:18,219 INFO L895 garLoopResultBuilder]: At program point L199(lines 192 202) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 1)) (.cse5 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse5 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse6 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse2 .cse3 .cse4 .cse5 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse6 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) .cse1 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-20 10:30:18,219 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2022-11-20 10:30:18,219 INFO L899 garLoopResultBuilder]: For program point L257-2(lines 257 261) no Hoare annotation was computed. [2022-11-20 10:30:18,219 INFO L895 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 1)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse11 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse15 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse17 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= |timeShift_getWaterLevel_#res#1| 1)) (.cse3 (not (<= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse16 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse17)) (.cse8 (and .cse14 .cse17 .cse10 .cse11 .cse12 .cse13 .cse15 .cse7)) (.cse9 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse8 .cse9 (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse10 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) .cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse12 .cse13 (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse7)) (or (and .cse14 .cse15) .cse16 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse9 .cse5) (or (and (= ~pumpRunning~0 0) .cse14 .cse12 .cse15) .cse0 (and .cse14 .cse17 .cse10 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse11 .cse12 .cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse15 .cse7) .cse2 .cse3 .cse4) (or .cse16 .cse0 .cse2 .cse8 .cse9)))) [2022-11-20 10:30:18,220 INFO L895 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= |timeShift_isPumpRunning_#res#1| 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4) (or .cse2 .cse4 (and .cse5 .cse6)) (or .cse1 (and .cse5 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (not (= |timeShift_processEnvironment_~tmp~0#1| 0)) (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (<= |timeShift_activatePump_~tmp~1#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0) (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1)) (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse6) .cse2 .cse3) (or .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-20 10:30:18,220 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse3)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1))) (or .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) (and .cse3 (= ~pumpRunning~0 1)))))) [2022-11-20 10:30:18,220 INFO L895 garLoopResultBuilder]: At program point L460(lines 451 464) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse3 (<= ~waterLevel~0 1) .cse4)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) (and .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4)) (or .cse2 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-20 10:30:18,221 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2022-11-20 10:30:18,221 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2022-11-20 10:30:18,221 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 104 123) no Hoare annotation was computed. [2022-11-20 10:30:18,221 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2022-11-20 10:30:18,222 INFO L895 garLoopResultBuilder]: At program point L163(lines 158 165) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse3 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse6 (= ~pumpRunning~0 1))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (not (= ~methaneLevelCritical~0 1)) (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse2 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4 .cse5 (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse6)) (or .cse8 (not (= |old(~pumpRunning~0)| 1))) (or .cse7 .cse8 (and .cse0 .cse1 .cse2 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse3 .cse4 .cse5 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-20 10:30:18,222 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2022-11-20 10:30:18,222 INFO L902 garLoopResultBuilder]: At program point L535(lines 528 537) the Hoare annotation is: true [2022-11-20 10:30:18,222 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 555) no Hoare annotation was computed. [2022-11-20 10:30:18,222 INFO L899 garLoopResultBuilder]: For program point L548-2(lines 548 555) no Hoare annotation was computed. [2022-11-20 10:30:18,223 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:30:18,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:30:18,223 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2022-11-20 10:30:18,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:30:18,223 INFO L895 garLoopResultBuilder]: At program point L317-2(lines 311 322) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-20 10:30:18,224 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 307) no Hoare annotation was computed. [2022-11-20 10:30:18,224 INFO L902 garLoopResultBuilder]: At program point L557(lines 538 560) the Hoare annotation is: true [2022-11-20 10:30:18,224 INFO L899 garLoopResultBuilder]: For program point L301-1(lines 301 307) no Hoare annotation was computed. [2022-11-20 10:30:18,224 INFO L902 garLoopResultBuilder]: At program point L330(lines 271 334) the Hoare annotation is: true [2022-11-20 10:30:18,224 INFO L895 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-20 10:30:18,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:30:18,225 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-20 10:30:18,225 INFO L895 garLoopResultBuilder]: At program point L525(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-20 10:30:18,225 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-20 10:30:18,225 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 328) the Hoare annotation is: false [2022-11-20 10:30:18,225 INFO L899 garLoopResultBuilder]: For program point L282(lines 281 326) no Hoare annotation was computed. [2022-11-20 10:30:18,226 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 322) no Hoare annotation was computed. [2022-11-20 10:30:18,226 INFO L895 garLoopResultBuilder]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-20 10:30:18,226 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-20 10:30:18,226 INFO L895 garLoopResultBuilder]: At program point L324(lines 281 326) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-20 10:30:18,227 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2022-11-20 10:30:18,227 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2022-11-20 10:30:18,227 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2022-11-20 10:30:18,227 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2022-11-20 10:30:18,227 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 386 397) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~pumpRunning~0 1)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2022-11-20 10:30:18,231 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:18,233 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:30:18,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:30:18 BoogieIcfgContainer [2022-11-20 10:30:18,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:30:18,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:30:18,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:30:18,267 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:30:18,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:06" (3/4) ... [2022-11-20 10:30:18,270 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:30:18,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 10:30:18,278 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 10:30:18,278 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 10:30:18,278 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 10:30:18,278 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 10:30:18,278 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 10:30:18,285 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-20 10:30:18,285 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:30:18,286 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:30:18,286 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:30:18,286 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:30:18,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 10:30:18,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1)) [2022-11-20 10:30:18,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((((pumpRunning == 0 && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 10:30:18,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 10:30:18,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || \result == 1) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || \result == 1)) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) [2022-11-20 10:30:18,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 10:30:18,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 10:30:18,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 10:30:18,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == 0 && tmp == 0) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) [2022-11-20 10:30:18,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || (((((((((\result == 1 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 10:30:18,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 10:30:18,339 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:30:18,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:30:18,339 INFO L158 Benchmark]: Toolchain (without parser) took 12621.89ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 101.9MB in the beginning and 97.8MB in the end (delta: 4.1MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2022-11-20 10:30:18,340 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:18,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.12ms. Allocated memory is still 132.1MB. Free memory was 101.6MB in the beginning and 83.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 10:30:18,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.23ms. Allocated memory is still 132.1MB. Free memory was 83.4MB in the beginning and 81.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:18,341 INFO L158 Benchmark]: Boogie Preprocessor took 31.27ms. Allocated memory is still 132.1MB. Free memory was 81.0MB in the beginning and 79.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:18,341 INFO L158 Benchmark]: RCFGBuilder took 613.26ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 63.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:30:18,341 INFO L158 Benchmark]: TraceAbstraction took 11414.43ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 62.8MB in the beginning and 104.1MB in the end (delta: -41.3MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2022-11-20 10:30:18,342 INFO L158 Benchmark]: Witness Printer took 72.71ms. Allocated memory is still 192.9MB. Free memory was 104.1MB in the beginning and 97.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:30:18,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.12ms. Allocated memory is still 132.1MB. Free memory was 101.6MB in the beginning and 83.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.23ms. Allocated memory is still 132.1MB. Free memory was 83.4MB in the beginning and 81.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.27ms. Allocated memory is still 132.1MB. Free memory was 81.0MB in the beginning and 79.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 613.26ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 63.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11414.43ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 62.8MB in the beginning and 104.1MB in the end (delta: -41.3MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Witness Printer took 72.71ms. Allocated memory is still 192.9MB. Free memory was 104.1MB in the beginning and 97.8MB in the end (delta: 6.3MB). 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: 932]: 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 7 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1271 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1236 mSDsluCounter, 2938 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2016 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 996 IncrementalHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 922 mSDtfsCounter, 996 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 111 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=9, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 306 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 1171 PreInvPairs, 1418 NumberOfFragments, 2268 HoareAnnotationTreeSize, 1171 FomulaSimplifications, 1824 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 37 FomulaSimplificationsInter, 16426 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 1229 SizeOfPredicates, 5 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || \result == 1) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || \result == 1)) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || (((((((((\result == 1 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == 0 && tmp == 0) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((((pumpRunning == 0 && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1)) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) || (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((1 == systemActive && splverifierCounter == 0) && pumpRunning == 1) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 10:30:18,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b965af-962e-4c81-96bf-67cd29c267c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE