./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP --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 ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:15:37,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:15:37,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:15:37,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:15:37,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:15:37,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:15:37,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:15:37,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:15:37,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:15:37,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:15:37,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:15:37,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:15:37,237 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:15:37,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:15:37,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:15:37,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:15:37,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:15:37,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:15:37,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:15:37,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:15:37,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:15:37,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:15:37,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:15:37,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:15:37,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:15:37,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:15:37,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:15:37,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:15:37,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:37,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:15:37,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:15:37,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:15:37,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:15:37,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:15:37,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:15:37,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:15:37,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:15:37,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:15:37,253 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:15:37,253 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 [2023-11-06 22:15:37,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:15:37,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:15:37,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:15:37,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:15:37,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:15:37,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2023-11-06 22:15:41,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:15:41,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:15:41,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2023-11-06 22:15:41,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/data/651e9f721/d07dd71e138344f4a93049d65bcda1e0/FLAG07130f822 [2023-11-06 22:15:41,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/data/651e9f721/d07dd71e138344f4a93049d65bcda1e0 [2023-11-06 22:15:41,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:15:41,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:15:41,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:41,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:15:41,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:15:41,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:15:41" (1/1) ... [2023-11-06 22:15:41,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aec3a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:41, skipping insertion in model container [2023-11-06 22:15:41,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:15:41" (1/1) ... [2023-11-06 22:15:41,502 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:15:41,932 WARN L240 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_494a2c1e-5e57-4440-bda8-c8caa41bfff0/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[13037,13050] [2023-11-06 22:15:41,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:41,997 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:15:42,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-06 22:15:42,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2023-11-06 22:15:42,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] [2023-11-06 22:15:42,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [554] [2023-11-06 22:15:42,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [563] [2023-11-06 22:15:42,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [672] [2023-11-06 22:15:42,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [707] [2023-11-06 22:15:42,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] [2023-11-06 22:15:42,095 WARN L240 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_494a2c1e-5e57-4440-bda8-c8caa41bfff0/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[13037,13050] [2023-11-06 22:15:42,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:42,144 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:15:42,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42 WrapperNode [2023-11-06 22:15:42,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:42,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:42,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:15:42,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:15:42,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,203 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 230 [2023-11-06 22:15:42,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:42,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:15:42,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:15:42,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:15:42,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:15:42,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:15:42,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:15:42,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:15:42,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:42,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:42,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:15:42,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:15:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:15:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:15:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:15:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:15:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:15:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:15:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:15:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:15:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:15:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:15:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:15:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:15:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:15:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:15:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:15:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:15:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:15:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:15:42,566 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:15:42,573 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:15:43,017 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:15:43,026 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:15:43,026 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:15:43,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:43 BoogieIcfgContainer [2023-11-06 22:15:43,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:15:43,032 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:15:43,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:15:43,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:15:43,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:15:41" (1/3) ... [2023-11-06 22:15:43,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4addfe56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:43, skipping insertion in model container [2023-11-06 22:15:43,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (2/3) ... [2023-11-06 22:15:43,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4addfe56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:43, skipping insertion in model container [2023-11-06 22:15:43,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:43" (3/3) ... [2023-11-06 22:15:43,040 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2023-11-06 22:15:43,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:15:43,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:15:43,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:15:43,154 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;@17ee5fb1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:15:43,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:15:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:15:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:15:43,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:43,179 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] [2023-11-06 22:15:43,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:43,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:43,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1031602919, now seen corresponding path program 1 times [2023-11-06 22:15:43,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:43,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543518833] [2023-11-06 22:15:43,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:43,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:15:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:43,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:43,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543518833] [2023-11-06 22:15:43,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543518833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:43,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:43,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:15:43,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201350562] [2023-11-06 22:15:43,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:43,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:15:43,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:43,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:15:43,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:15:43,581 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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) [2023-11-06 22:15:43,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:43,664 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2023-11-06 22:15:43,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:15:43,667 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 [2023-11-06 22:15:43,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:43,681 INFO L225 Difference]: With dead ends: 180 [2023-11-06 22:15:43,681 INFO L226 Difference]: Without dead ends: 85 [2023-11-06 22:15:43,688 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 [2023-11-06 22:15:43,695 INFO L413 NwaCegarLoop]: 119 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, 119 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 [2023-11-06 22:15:43,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-06 22:15:43,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-06 22:15:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 73 states have internal predecessors, (87), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:15:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2023-11-06 22:15:43,773 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2023-11-06 22:15:43,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:43,774 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2023-11-06 22:15:43,776 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) [2023-11-06 22:15:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2023-11-06 22:15:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:15:43,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:43,781 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] [2023-11-06 22:15:43,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:15:43,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:43,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:43,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1999893422, now seen corresponding path program 1 times [2023-11-06 22:15:43,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:43,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669690727] [2023-11-06 22:15:43,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:43,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:15:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:43,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:43,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669690727] [2023-11-06 22:15:43,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669690727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:43,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:43,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:15:43,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639006026] [2023-11-06 22:15:43,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:43,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:43,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:43,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:43,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:43,961 INFO L87 Difference]: Start difference. First operand 85 states and 110 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) [2023-11-06 22:15:43,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:43,986 INFO L93 Difference]: Finished difference Result 135 states and 175 transitions. [2023-11-06 22:15:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:43,987 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 [2023-11-06 22:15:43,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:43,989 INFO L225 Difference]: With dead ends: 135 [2023-11-06 22:15:44,017 INFO L226 Difference]: Without dead ends: 76 [2023-11-06 22:15:44,022 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 [2023-11-06 22:15:44,024 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 177 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 [2023-11-06 22:15:44,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-06 22:15:44,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-06 22:15:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 67 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:15:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2023-11-06 22:15:44,041 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2023-11-06 22:15:44,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:44,041 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2023-11-06 22:15:44,042 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) [2023-11-06 22:15:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2023-11-06 22:15:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:15:44,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:44,044 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] [2023-11-06 22:15:44,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:15:44,045 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:44,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:44,046 INFO L85 PathProgramCache]: Analyzing trace with hash -2069285612, now seen corresponding path program 1 times [2023-11-06 22:15:44,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:44,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157451633] [2023-11-06 22:15:44,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:44,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:15:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:44,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:44,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157451633] [2023-11-06 22:15:44,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157451633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:44,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:44,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:15:44,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546771829] [2023-11-06 22:15:44,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:44,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:44,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:44,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:44,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:44,164 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-06 22:15:44,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:44,192 INFO L93 Difference]: Finished difference Result 145 states and 190 transitions. [2023-11-06 22:15:44,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:44,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2023-11-06 22:15:44,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:44,195 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:15:44,196 INFO L226 Difference]: Without dead ends: 76 [2023-11-06 22:15:44,197 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 [2023-11-06 22:15:44,199 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 92 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:44,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:44,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-06 22:15:44,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-06 22:15:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:15:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2023-11-06 22:15:44,216 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 31 [2023-11-06 22:15:44,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:44,217 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2023-11-06 22:15:44,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-06 22:15:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2023-11-06 22:15:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:15:44,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:44,221 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] [2023-11-06 22:15:44,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:15:44,221 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:44,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:44,222 INFO L85 PathProgramCache]: Analyzing trace with hash -513760969, now seen corresponding path program 1 times [2023-11-06 22:15:44,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:44,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271181414] [2023-11-06 22:15:44,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:44,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:15:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:15:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 22:15:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:44,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:44,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271181414] [2023-11-06 22:15:44,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271181414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:44,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:44,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:15:44,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272848575] [2023-11-06 22:15:44,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:44,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:15:44,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:44,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:15:44,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:44,444 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:15:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:44,754 INFO L93 Difference]: Finished difference Result 224 states and 286 transitions. [2023-11-06 22:15:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:44,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2023-11-06 22:15:44,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:44,763 INFO L225 Difference]: With dead ends: 224 [2023-11-06 22:15:44,763 INFO L226 Difference]: Without dead ends: 155 [2023-11-06 22:15:44,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:15:44,776 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 185 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:44,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 298 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:44,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-06 22:15:44,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 149. [2023-11-06 22:15:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 117 states have (on average 1.2735042735042734) internal successors, (149), 125 states have internal predecessors, (149), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2023-11-06 22:15:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 184 transitions. [2023-11-06 22:15:44,839 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 184 transitions. Word has length 41 [2023-11-06 22:15:44,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:44,840 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 184 transitions. [2023-11-06 22:15:44,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:15:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2023-11-06 22:15:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 22:15:44,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:44,847 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, 1, 1] [2023-11-06 22:15:44,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:15:44,847 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:44,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:44,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1561264077, now seen corresponding path program 1 times [2023-11-06 22:15:44,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:44,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945058632] [2023-11-06 22:15:44,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:44,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:15:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:45,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:15:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:15:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:45,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:45,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:45,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945058632] [2023-11-06 22:15:45,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945058632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:45,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:45,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:45,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746727204] [2023-11-06 22:15:45,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:45,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:45,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:45,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:45,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:45,055 INFO L87 Difference]: Start difference. First operand 149 states and 184 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:15:45,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:45,300 INFO L93 Difference]: Finished difference Result 309 states and 384 transitions. [2023-11-06 22:15:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:15:45,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2023-11-06 22:15:45,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:45,303 INFO L225 Difference]: With dead ends: 309 [2023-11-06 22:15:45,303 INFO L226 Difference]: Without dead ends: 167 [2023-11-06 22:15:45,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:15:45,306 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 92 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:45,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 367 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:45,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-06 22:15:45,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 152. [2023-11-06 22:15:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 120 states have (on average 1.2666666666666666) internal successors, (152), 128 states have internal predecessors, (152), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2023-11-06 22:15:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2023-11-06 22:15:45,333 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 47 [2023-11-06 22:15:45,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:45,333 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2023-11-06 22:15:45,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:15:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2023-11-06 22:15:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 22:15:45,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:45,335 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, 1, 1] [2023-11-06 22:15:45,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:15:45,336 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:45,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:45,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1342409359, now seen corresponding path program 1 times [2023-11-06 22:15:45,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:45,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537936332] [2023-11-06 22:15:45,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:45,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:45,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:15:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:15:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:15:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:45,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:45,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537936332] [2023-11-06 22:15:45,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537936332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:45,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:45,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:45,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062154699] [2023-11-06 22:15:45,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:45,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:45,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:45,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:45,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:45,491 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 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) [2023-11-06 22:15:45,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:45,793 INFO L93 Difference]: Finished difference Result 396 states and 506 transitions. [2023-11-06 22:15:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:15:45,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 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 47 [2023-11-06 22:15:45,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:45,797 INFO L225 Difference]: With dead ends: 396 [2023-11-06 22:15:45,797 INFO L226 Difference]: Without dead ends: 251 [2023-11-06 22:15:45,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:15:45,800 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 129 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:45,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 376 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:45,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-06 22:15:45,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 243. [2023-11-06 22:15:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 191 states have (on average 1.2513089005235603) internal successors, (239), 202 states have internal predecessors, (239), 26 states have call successors, (26), 23 states have call predecessors, (26), 25 states have return successors, (36), 26 states have call predecessors, (36), 26 states have call successors, (36) [2023-11-06 22:15:45,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 301 transitions. [2023-11-06 22:15:45,843 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 301 transitions. Word has length 47 [2023-11-06 22:15:45,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:45,844 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 301 transitions. [2023-11-06 22:15:45,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 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) [2023-11-06 22:15:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 301 transitions. [2023-11-06 22:15:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 22:15:45,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:45,846 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, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:45,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:15:45,846 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:45,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:45,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2094412649, now seen corresponding path program 1 times [2023-11-06 22:15:45,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:45,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140549020] [2023-11-06 22:15:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:15:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:15:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:15:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:15:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:46,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:46,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140549020] [2023-11-06 22:15:46,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140549020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:46,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:46,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:15:46,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52347913] [2023-11-06 22:15:46,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:46,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:46,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:46,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:46,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:46,059 INFO L87 Difference]: Start difference. First operand 243 states and 301 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:46,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:46,731 INFO L93 Difference]: Finished difference Result 583 states and 754 transitions. [2023-11-06 22:15:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:15:46,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2023-11-06 22:15:46,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:46,737 INFO L225 Difference]: With dead ends: 583 [2023-11-06 22:15:46,738 INFO L226 Difference]: Without dead ends: 438 [2023-11-06 22:15:46,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:15:46,740 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 300 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:46,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 377 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:46,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-11-06 22:15:46,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 404. [2023-11-06 22:15:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 318 states have (on average 1.229559748427673) internal successors, (391), 338 states have internal predecessors, (391), 42 states have call successors, (42), 34 states have call predecessors, (42), 43 states have return successors, (69), 43 states have call predecessors, (69), 42 states have call successors, (69) [2023-11-06 22:15:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 502 transitions. [2023-11-06 22:15:46,810 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 502 transitions. Word has length 51 [2023-11-06 22:15:46,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:46,814 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 502 transitions. [2023-11-06 22:15:46,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 502 transitions. [2023-11-06 22:15:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 22:15:46,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:46,816 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, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:46,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:15:46,817 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:46,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:46,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1960399143, now seen corresponding path program 1 times [2023-11-06 22:15:46,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:46,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922587485] [2023-11-06 22:15:46,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:15:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:15:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:15:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:15:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:46,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:46,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922587485] [2023-11-06 22:15:46,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922587485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:46,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:46,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:46,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660501505] [2023-11-06 22:15:46,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:46,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:46,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:46,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:46,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:46,929 INFO L87 Difference]: Start difference. First operand 404 states and 502 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:47,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:47,305 INFO L93 Difference]: Finished difference Result 714 states and 891 transitions. [2023-11-06 22:15:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:15:47,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2023-11-06 22:15:47,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:47,311 INFO L225 Difference]: With dead ends: 714 [2023-11-06 22:15:47,311 INFO L226 Difference]: Without dead ends: 404 [2023-11-06 22:15:47,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:15:47,314 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 136 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:47,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 335 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2023-11-06 22:15:47,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2023-11-06 22:15:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 314 states have (on average 1.2261146496815287) internal successors, (385), 333 states have internal predecessors, (385), 41 states have call successors, (41), 33 states have call predecessors, (41), 42 states have return successors, (68), 42 states have call predecessors, (68), 41 states have call successors, (68) [2023-11-06 22:15:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 494 transitions. [2023-11-06 22:15:47,405 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 494 transitions. Word has length 51 [2023-11-06 22:15:47,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:47,406 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 494 transitions. [2023-11-06 22:15:47,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 494 transitions. [2023-11-06 22:15:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:15:47,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:47,409 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:47,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:15:47,410 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:47,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:47,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1800767755, now seen corresponding path program 1 times [2023-11-06 22:15:47,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:47,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051025029] [2023-11-06 22:15:47,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:47,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:15:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:15:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:15:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:15:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:15:47,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:47,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051025029] [2023-11-06 22:15:47,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051025029] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:47,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791418047] [2023-11-06 22:15:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:47,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:47,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:47,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:47,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:15:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:47,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:15:47,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:48,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:48,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791418047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:48,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:48,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2023-11-06 22:15:48,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240868335] [2023-11-06 22:15:48,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:48,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:48,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:48,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:48,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:15:48,052 INFO L87 Difference]: Start difference. First operand 398 states and 494 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:48,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:48,316 INFO L93 Difference]: Finished difference Result 1163 states and 1470 transitions. [2023-11-06 22:15:48,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:48,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2023-11-06 22:15:48,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:48,327 INFO L225 Difference]: With dead ends: 1163 [2023-11-06 22:15:48,327 INFO L226 Difference]: Without dead ends: 772 [2023-11-06 22:15:48,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:15:48,332 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 61 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:48,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 466 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:15:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-11-06 22:15:48,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 770. [2023-11-06 22:15:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 606 states have (on average 1.2145214521452146) internal successors, (736), 640 states have internal predecessors, (736), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (138), 82 states have call predecessors, (138), 81 states have call successors, (138) [2023-11-06 22:15:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 955 transitions. [2023-11-06 22:15:48,482 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 955 transitions. Word has length 56 [2023-11-06 22:15:48,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:48,483 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 955 transitions. [2023-11-06 22:15:48,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 955 transitions. [2023-11-06 22:15:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 22:15:48,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:48,487 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:48,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:48,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:48,693 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:48,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:48,694 INFO L85 PathProgramCache]: Analyzing trace with hash 804933449, now seen corresponding path program 1 times [2023-11-06 22:15:48,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:48,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091428070] [2023-11-06 22:15:48,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:48,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:15:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:15:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:15:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:15:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:15:48,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:48,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091428070] [2023-11-06 22:15:48,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091428070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:48,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:48,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:15:48,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935975172] [2023-11-06 22:15:48,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:48,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:48,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:48,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:48,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:48,862 INFO L87 Difference]: Start difference. First operand 770 states and 955 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:49,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:49,386 INFO L93 Difference]: Finished difference Result 1547 states and 1916 transitions. [2023-11-06 22:15:49,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:15:49,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2023-11-06 22:15:49,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:49,393 INFO L225 Difference]: With dead ends: 1547 [2023-11-06 22:15:49,395 INFO L226 Difference]: Without dead ends: 784 [2023-11-06 22:15:49,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:15:49,398 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 215 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:49,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 473 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:15:49,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2023-11-06 22:15:49,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 770. [2023-11-06 22:15:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 606 states have (on average 1.198019801980198) internal successors, (726), 640 states have internal predecessors, (726), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (123), 82 states have call predecessors, (123), 81 states have call successors, (123) [2023-11-06 22:15:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 930 transitions. [2023-11-06 22:15:49,519 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 930 transitions. Word has length 57 [2023-11-06 22:15:49,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:49,521 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 930 transitions. [2023-11-06 22:15:49,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 930 transitions. [2023-11-06 22:15:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-06 22:15:49,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:49,524 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:49,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:15:49,524 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:49,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:49,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1321374617, now seen corresponding path program 1 times [2023-11-06 22:15:49,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:49,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343421007] [2023-11-06 22:15:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:49,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:15:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:15:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:49,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:15:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:15:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:15:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:15:49,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:49,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343421007] [2023-11-06 22:15:49,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343421007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:49,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:49,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:15:49,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147302] [2023-11-06 22:15:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:49,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:15:49,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:49,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:15:49,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:15:49,763 INFO L87 Difference]: Start difference. First operand 770 states and 930 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:15:51,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:51,579 INFO L93 Difference]: Finished difference Result 1851 states and 2291 transitions. [2023-11-06 22:15:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-06 22:15:51,580 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2023-11-06 22:15:51,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:51,591 INFO L225 Difference]: With dead ends: 1851 [2023-11-06 22:15:51,591 INFO L226 Difference]: Without dead ends: 1088 [2023-11-06 22:15:51,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=491, Invalid=1765, Unknown=0, NotChecked=0, Total=2256 [2023-11-06 22:15:51,600 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 428 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:51,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 384 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:15:51,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2023-11-06 22:15:51,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 738. [2023-11-06 22:15:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 574 states have (on average 1.1672473867595818) internal successors, (670), 608 states have internal predecessors, (670), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (117), 82 states have call predecessors, (117), 81 states have call successors, (117) [2023-11-06 22:15:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 868 transitions. [2023-11-06 22:15:51,747 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 868 transitions. Word has length 60 [2023-11-06 22:15:51,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:51,747 INFO L495 AbstractCegarLoop]: Abstraction has 738 states and 868 transitions. [2023-11-06 22:15:51,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:15:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 868 transitions. [2023-11-06 22:15:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-06 22:15:51,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:51,755 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:51,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:15:51,755 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:51,756 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:51,756 INFO L85 PathProgramCache]: Analyzing trace with hash 981971162, now seen corresponding path program 1 times [2023-11-06 22:15:51,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:51,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846076231] [2023-11-06 22:15:51,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:51,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:15:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:15:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:15:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:15:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:51,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:15:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:15:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-06 22:15:51,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:51,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846076231] [2023-11-06 22:15:51,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846076231] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:51,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021572947] [2023-11-06 22:15:51,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:51,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:51,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:51,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:51,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:15:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:52,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:15:52,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:15:52,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:15:52,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021572947] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:15:52,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:15:52,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 17 [2023-11-06 22:15:52,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114738959] [2023-11-06 22:15:52,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:15:52,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-06 22:15:52,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:52,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 22:15:52,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:15:52,679 INFO L87 Difference]: Start difference. First operand 738 states and 868 transitions. Second operand has 17 states, 17 states have (on average 7.352941176470588) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (18), 9 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2023-11-06 22:15:53,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:53,768 INFO L93 Difference]: Finished difference Result 1495 states and 1837 transitions. [2023-11-06 22:15:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-06 22:15:53,769 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.352941176470588) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (18), 9 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 89 [2023-11-06 22:15:53,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:53,770 INFO L225 Difference]: With dead ends: 1495 [2023-11-06 22:15:53,770 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:15:53,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 183 SyntacticMatches, 7 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=571, Invalid=1499, Unknown=0, NotChecked=0, Total=2070 [2023-11-06 22:15:53,777 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 423 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:53,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 593 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:15:53,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:15:53,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:15:53,779 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) [2023-11-06 22:15:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:15:53,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2023-11-06 22:15:53,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:53,781 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:15:53,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.352941176470588) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (18), 9 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2023-11-06 22:15:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:15:53,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:15:53,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:15:53,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:53,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:15:53,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:16:02,998 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2023-11-06 22:16:03,000 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2023-11-06 22:16:03,000 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 596 607) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~pumpRunning~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse2 .cse4 .cse5 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse6))) [2023-11-06 22:16:03,001 INFO L899 garLoopResultBuilder]: For program point L600-1(lines 596 607) no Hoare annotation was computed. [2023-11-06 22:16:03,001 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 596 607) no Hoare annotation was computed. [2023-11-06 22:16:03,001 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 608 616) the Hoare annotation is: true [2023-11-06 22:16:03,001 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 608 616) no Hoare annotation was computed. [2023-11-06 22:16:03,002 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 608 616) no Hoare annotation was computed. [2023-11-06 22:16:03,002 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 580) no Hoare annotation was computed. [2023-11-06 22:16:03,002 INFO L895 garLoopResultBuilder]: At program point L576-2(lines 572 583) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse5 .cse3))) [2023-11-06 22:16:03,003 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse5 (and (= |timeShift_processEnvironment_~tmp~7#1| 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse6 .cse4 .cse3 .cse5))) [2023-11-06 22:16:03,003 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 663 671) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse5 .cse3))) [2023-11-06 22:16:03,003 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 781 804) no Hoare annotation was computed. [2023-11-06 22:16:03,004 INFO L895 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse3) (or .cse4 .cse5 .cse0 .cse2 .cse3) (or .cse0 .cse6 .cse1 .cse3))) [2023-11-06 22:16:03,004 INFO L895 garLoopResultBuilder]: At program point L858-1(lines 839 863) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (and .cse7 .cse11 .cse13)) (.cse5 (and (= |timeShift_processEnvironment_~tmp~7#1| 0) .cse11 .cse13 .cse12)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (and .cse8 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (and .cse7 .cse8) .cse0 .cse3 .cse4 .cse9) (or .cse0 .cse10 .cse1 .cse2 .cse4 .cse5) (or (and .cse7 .cse11 .cse8) .cse6 .cse0 .cse10 .cse4 .cse9)))) [2023-11-06 22:16:03,004 INFO L899 garLoopResultBuilder]: For program point L792-1(lines 792 798) no Hoare annotation was computed. [2023-11-06 22:16:03,005 INFO L899 garLoopResultBuilder]: For program point L982(lines 982 986) no Hoare annotation was computed. [2023-11-06 22:16:03,005 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 640 648) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse10 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse6 .cse2 .cse3) (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse6 (and .cse7 .cse8 .cse9 .cse5) (and .cse8 .cse9 .cse5 .cse10) .cse3)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse4 (= |timeShift_getWaterLevel_#res#1| 1)) (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse7 .cse8 .cse11) .cse0 .cse1 .cse4 .cse3 (and .cse11 .cse10))))) [2023-11-06 22:16:03,005 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2023-11-06 22:16:03,006 INFO L899 garLoopResultBuilder]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2023-11-06 22:16:03,006 INFO L899 garLoopResultBuilder]: For program point L689(lines 689 702) no Hoare annotation was computed. [2023-11-06 22:16:03,006 INFO L895 garLoopResultBuilder]: At program point L689-1(lines 674 706) the Hoare annotation is: (let ((.cse0 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1| 0))) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1))) (and (or (and .cse0 .cse1 .cse2) .cse3 (and .cse4 .cse0 .cse1) .cse5 .cse6 .cse7) (or (and .cse8 .cse9 .cse2) .cse5 .cse10 .cse11 (and .cse4 .cse8 .cse9) .cse7) (or (and .cse0 .cse8 .cse9 .cse2) (and .cse4 .cse0 .cse8 .cse9) .cse5 .cse11 .cse6 .cse7) (or (and .cse4 .cse8 .cse1) .cse3 .cse5 .cse10 .cse7 (and .cse1 .cse2)))) [2023-11-06 22:16:03,007 INFO L895 garLoopResultBuilder]: At program point L681(line 681) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse0 (and .cse11 .cse13 .cse12)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (and .cse8 .cse11 .cse13)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse10 (and .cse9 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse7 (and .cse8 .cse9) .cse1 .cse4 .cse5 .cse10) (or (and .cse8 .cse11 .cse9) .cse7 .cse1 .cse6 .cse5 .cse10)))) [2023-11-06 22:16:03,007 INFO L899 garLoopResultBuilder]: For program point L681-1(line 681) no Hoare annotation was computed. [2023-11-06 22:16:03,007 INFO L899 garLoopResultBuilder]: For program point L785-1(lines 784 803) no Hoare annotation was computed. [2023-11-06 22:16:03,007 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 855) no Hoare annotation was computed. [2023-11-06 22:16:03,008 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2023-11-06 22:16:03,008 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 555 562) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse5 .cse4 .cse3))) [2023-11-06 22:16:03,008 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 781 804) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and .cse8 (= ~pumpRunning~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and (= ~pumpRunning~0 0) .cse8)) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse6 .cse7 .cse0 .cse1 .cse3) (or .cse6 .cse7 .cse0 .cse5 .cse3)))) [2023-11-06 22:16:03,009 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 890 897) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse5 .cse6 .cse2 .cse3))) [2023-11-06 22:16:03,009 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 973 991) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse5 .cse3))) [2023-11-06 22:16:03,009 INFO L899 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2023-11-06 22:16:03,009 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 703) no Hoare annotation was computed. [2023-11-06 22:16:03,010 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 781 804) no Hoare annotation was computed. [2023-11-06 22:16:03,010 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 909 917) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse3 (and (= |timeShift_isPumpRunning_#res#1| 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse5) (or .cse1 .cse5 .cse4 .cse3))) [2023-11-06 22:16:03,010 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2023-11-06 22:16:03,010 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-11-06 22:16:03,011 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-11-06 22:16:03,011 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-11-06 22:16:03,011 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-11-06 22:16:03,011 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-11-06 22:16:03,011 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-06 22:16:03,012 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-11-06 22:16:03,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-11-06 22:16:03,012 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-06 22:16:03,012 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-11-06 22:16:03,013 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 992 999) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2023-11-06 22:16:03,013 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2023-11-06 22:16:03,013 INFO L899 garLoopResultBuilder]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2023-11-06 22:16:03,013 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2023-11-06 22:16:03,013 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 117 126) the Hoare annotation is: true [2023-11-06 22:16:03,014 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:16:03,014 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 130 152) the Hoare annotation is: true [2023-11-06 22:16:03,014 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:16:03,014 INFO L895 garLoopResultBuilder]: At program point L767(lines 718 768) the Hoare annotation is: false [2023-11-06 22:16:03,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:16:03,015 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-11-06 22:16:03,015 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2023-11-06 22:16:03,015 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:16:03,015 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2023-11-06 22:16:03,016 INFO L899 garLoopResultBuilder]: For program point L739-1(lines 739 745) no Hoare annotation was computed. [2023-11-06 22:16:03,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:16:03,016 INFO L895 garLoopResultBuilder]: At program point L764(lines 719 766) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse2 .cse3) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2023-11-06 22:16:03,016 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse2 .cse3) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2023-11-06 22:16:03,016 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:16:03,017 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:16:03,017 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2023-11-06 22:16:03,017 INFO L895 garLoopResultBuilder]: At program point L757-2(lines 749 762) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2023-11-06 22:16:03,017 INFO L899 garLoopResultBuilder]: For program point L720(lines 719 766) no Hoare annotation was computed. [2023-11-06 22:16:03,018 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2023-11-06 22:16:03,018 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:16:03,018 INFO L895 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2023-11-06 22:16:03,018 INFO L902 garLoopResultBuilder]: At program point L770(lines 709 774) the Hoare annotation is: true [2023-11-06 22:16:03,019 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7) (or .cse5 .cse6 .cse0 .cse3) (or .cse0 .cse1 .cse7 .cse2 .cse4))) [2023-11-06 22:16:03,019 INFO L899 garLoopResultBuilder]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2023-11-06 22:16:03,019 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 886) no Hoare annotation was computed. [2023-11-06 22:16:03,020 INFO L895 garLoopResultBuilder]: At program point L880-2(lines 873 889) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (< 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse6 (not .cse5)) (.cse1 (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse8 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse4)) (.cse14 (< 1 ~waterLevel~0)) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse15 (not (= |old(~pumpRunning~0)| 1)))) (and (let ((.cse2 (= ~pumpRunning~0 0))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 (and .cse1 .cse2 .cse4 .cse5 .cse8) (and .cse1 .cse3 .cse4 .cse9) .cse10 (and .cse1 .cse8 .cse9))) (let ((.cse11 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| 0)) (.cse12 (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|))) (or .cse0 (and .cse1 .cse11 .cse3 .cse12 .cse4 .cse9) .cse6 .cse7 (and .cse1 .cse11 .cse12 .cse4 .cse8 .cse9) .cse13)) (or .cse7 .cse14 .cse15 .cse10) (or .cse7 .cse14 .cse13 .cse15)))) [2023-11-06 22:16:03,020 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2023-11-06 22:16:03,020 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 813 837) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse0 .cse3) (or .cse5 .cse6 .cse7 .cse0 .cse8) (or .cse0 .cse1 .cse8 .cse2 .cse4))) [2023-11-06 22:16:03,020 INFO L895 garLoopResultBuilder]: At program point L903(line 903) the Hoare annotation is: (let ((.cse9 (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= 1 ~systemActive~0)) (.cse12 (= |old(~pumpRunning~0)| 0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (and .cse9 .cse10 (<= ~waterLevel~0 1) .cse11 .cse12)) (.cse2 (not .cse12)) (.cse3 (not .cse11)) (.cse4 (and .cse9 .cse10 .cse11 .cse12 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse7 .cse5) (or .cse3 .cse6 .cse8 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse8)))) [2023-11-06 22:16:03,021 INFO L899 garLoopResultBuilder]: For program point L903-1(line 903) no Hoare annotation was computed. [2023-11-06 22:16:03,021 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2023-11-06 22:16:03,021 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 649 662) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse9 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse5 (and .cse9 (<= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (< 1 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse6 .cse5) (or .cse2 .cse7 .cse8 .cse4) (or .cse2 .cse7 .cse6 .cse8)))) [2023-11-06 22:16:03,021 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2023-11-06 22:16:03,022 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 954 972) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse9 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0))) (.cse5 (and .cse9 (<= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (< 1 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse6 .cse5) (or .cse2 .cse7 .cse8 .cse4) (or .cse2 .cse7 .cse6 .cse8)))) [2023-11-06 22:16:03,022 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 813 837) no Hoare annotation was computed. [2023-11-06 22:16:03,022 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse7) (or .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse4))) [2023-11-06 22:16:03,023 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2023-11-06 22:16:03,023 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2023-11-06 22:16:03,023 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 898 908) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (< 2 ~waterLevel~0)) (.cse6 (not .cse5)) (.cse8 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse1 (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 1)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse4)) (.cse12 (< 1 ~waterLevel~0)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 (and .cse1 .cse2 .cse4 .cse5 .cse8) .cse9) (let ((.cse10 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| 0))) (or .cse0 .cse6 .cse7 (and .cse1 .cse2 .cse10 .cse4 .cse5 .cse8) (and .cse1 .cse2 .cse10 .cse3 .cse4 .cse5) .cse11)) (or .cse7 .cse12 .cse13 .cse9) (or .cse7 .cse12 .cse11 .cse13)))) [2023-11-06 22:16:03,023 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 864 871) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse11 (< 1 ~waterLevel~0)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse5)) (.cse3 (<= ~waterLevel~0 1)) (.cse13 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse9 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= ~pumpRunning~0 1))) (and (let ((.cse2 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| 0)) (.cse4 (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (and .cse1 .cse2 .cse4 .cse5 .cse9 .cse6) .cse10)) (or .cse8 .cse11 .cse12 .cse13) (or .cse8 .cse11 .cse10 .cse12) (or .cse0 .cse7 .cse8 (and .cse1 .cse3 .cse5 .cse6) .cse13 (and .cse1 .cse9 .cse6))))) [2023-11-06 22:16:03,024 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 584 595) no Hoare annotation was computed. [2023-11-06 22:16:03,024 INFO L899 garLoopResultBuilder]: For program point L588-1(lines 584 595) no Hoare annotation was computed. [2023-11-06 22:16:03,024 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 584 595) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~pumpRunning~0 1))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse6 .cse5 .cse3 .cse4) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse6 .cse3))) [2023-11-06 22:16:03,027 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:03,030 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:16:03,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:16:03 BoogieIcfgContainer [2023-11-06 22:16:03,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:16:03,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:16:03,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:16:03,097 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:16:03,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:43" (3/4) ... [2023-11-06 22:16:03,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:16:03,105 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:16:03,105 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:16:03,105 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:16:03,105 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:16:03,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:16:03,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:16:03,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:16:03,117 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:16:03,118 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:16:03,119 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:16:03,120 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:16:03,120 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:16:03,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) || ((((tmp == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) || ((((tmp == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) [2023-11-06 22:16:03,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!((tmp == 0)) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || (((pumpRunning == 0) && !((tmp == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && ((((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel)))) && ((((((((!((tmp == 0)) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || ((((pumpRunning == 0) && !((tmp == 0))) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) [2023-11-06 22:16:03,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 < waterLevel) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || !((methaneLevelCritical == 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (pumpRunning == 0)) && (\result == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || (((((!((tmp == 0)) && (pumpRunning == 0)) && (\result == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) [2023-11-06 22:16:03,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\result <= 1))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (\result <= 1))) || ((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\result == 1))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) [2023-11-06 22:16:03,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 0))) || !((methaneLevelCritical == 1))) || ((pumpRunning == 0) && (waterLevel <= 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (waterLevel <= 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) [2023-11-06 22:16:03,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 < waterLevel) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || (((!((tmp == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (pumpRunning == 1))) || !((methaneLevelCritical == 1))) || ((!((tmp == 0)) && (\result == 0)) && (pumpRunning == 1))) && ((((((2 < waterLevel) || (((((!((tmp == 0)) && (\result == 0)) && (waterLevel <= 1)) && (0 == tmp)) && (1 == systemActive)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (\result == 0)) && (0 == tmp)) && (1 == systemActive)) && (\result == 0)) && (pumpRunning == 1))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) [2023-11-06 22:16:03,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 < waterLevel) || (((((!((tmp == 0)) && (\result == 0)) && (waterLevel <= 1)) && (0 == tmp)) && (1 == systemActive)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (\result == 0)) && (0 == tmp)) && (1 == systemActive)) && (\result == 0)) && (pumpRunning == 1))) || !((methaneLevelCritical == 0))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((!((tmp == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (pumpRunning == 1))) || !((methaneLevelCritical == 1))) || ((!((tmp == 0)) && (\result == 0)) && (pumpRunning == 1)))) [2023-11-06 22:16:03,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || (((\result == 1) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && !((\result == 0))) && (1 <= tmp___0)) && (\result == 0)) && (tmp == 0))) || !((methaneLevelCritical == 1))) || ((pumpRunning == 0) && (waterLevel <= 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && !((\result == 0))) && (1 <= tmp___0)) && (\result == 0)) && (tmp == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (waterLevel <= 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) [2023-11-06 22:16:03,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel)))) && ((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,207 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,208 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) || ((((tmp == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) || ((((tmp == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) [2023-11-06 22:16:03,208 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!((tmp == 0)) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || (((pumpRunning == 0) && !((tmp == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && ((((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel)))) && ((((((((!((tmp == 0)) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || ((((pumpRunning == 0) && !((tmp == 0))) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) [2023-11-06 22:16:03,209 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 < waterLevel) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || !((methaneLevelCritical == 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (pumpRunning == 0)) && (\result == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || (((((!((tmp == 0)) && (pumpRunning == 0)) && (\result == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) [2023-11-06 22:16:03,209 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,209 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\result <= 1))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (\result <= 1))) || ((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\result == 1))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) [2023-11-06 22:16:03,210 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 0))) || !((methaneLevelCritical == 1))) || ((pumpRunning == 0) && (waterLevel <= 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (waterLevel <= 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) [2023-11-06 22:16:03,210 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 < waterLevel) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || (((!((tmp == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (pumpRunning == 1))) || !((methaneLevelCritical == 1))) || ((!((tmp == 0)) && (\result == 0)) && (pumpRunning == 1))) && ((((((2 < waterLevel) || (((((!((tmp == 0)) && (\result == 0)) && (waterLevel <= 1)) && (0 == tmp)) && (1 == systemActive)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (\result == 0)) && (0 == tmp)) && (1 == systemActive)) && (\result == 0)) && (pumpRunning == 1))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) [2023-11-06 22:16:03,210 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 < waterLevel) || (((((!((tmp == 0)) && (\result == 0)) && (waterLevel <= 1)) && (0 == tmp)) && (1 == systemActive)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (\result == 0)) && (0 == tmp)) && (1 == systemActive)) && (\result == 0)) && (pumpRunning == 1))) || !((methaneLevelCritical == 0))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((!((tmp == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (pumpRunning == 1))) || !((methaneLevelCritical == 1))) || ((!((tmp == 0)) && (\result == 0)) && (pumpRunning == 1)))) [2023-11-06 22:16:03,211 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,211 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || (((\result == 1) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,211 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && !((\result == 0))) && (1 <= tmp___0)) && (\result == 0)) && (tmp == 0))) || !((methaneLevelCritical == 1))) || ((pumpRunning == 0) && (waterLevel <= 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && !((\result == 0))) && (1 <= tmp___0)) && (\result == 0)) && (tmp == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (waterLevel <= 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) [2023-11-06 22:16:03,211 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel)))) && ((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,212 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 22:16:03,235 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:16:03,236 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:16:03,236 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:16:03,237 INFO L158 Benchmark]: Toolchain (without parser) took 21816.09ms. Allocated memory was 163.6MB in the beginning and 352.3MB in the end (delta: 188.7MB). Free memory was 131.6MB in the beginning and 223.3MB in the end (delta: -91.7MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. [2023-11-06 22:16:03,238 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:16:03,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.61ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 111.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:16:03,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.86ms. Allocated memory is still 163.6MB. Free memory was 111.9MB in the beginning and 109.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:16:03,239 INFO L158 Benchmark]: Boogie Preprocessor took 74.59ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:16:03,240 INFO L158 Benchmark]: RCFGBuilder took 746.22ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 90.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:16:03,240 INFO L158 Benchmark]: TraceAbstraction took 20063.60ms. Allocated memory was 163.6MB in the beginning and 352.3MB in the end (delta: 188.7MB). Free memory was 89.6MB in the beginning and 232.8MB in the end (delta: -143.1MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. [2023-11-06 22:16:03,241 INFO L158 Benchmark]: Witness Printer took 139.93ms. Allocated memory is still 352.3MB. Free memory was 232.8MB in the beginning and 223.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:16:03,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.61ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 111.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.86ms. Allocated memory is still 163.6MB. Free memory was 111.9MB in the beginning and 109.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.59ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.22ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 90.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20063.60ms. Allocated memory was 163.6MB in the beginning and 352.3MB in the end (delta: 188.7MB). Free memory was 89.6MB in the beginning and 232.8MB in the end (delta: -143.1MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. * Witness Printer took 139.93ms. Allocated memory is still 352.3MB. Free memory was 232.8MB in the beginning and 223.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [554] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [563] - GenericResultAtLocation [Line: 672]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [672] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [707] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] * 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: 559]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2103 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2074 mSDsluCounter, 4061 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2936 mSDsCounter, 504 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3259 IncrementalHoareTripleChecker+Invalid, 3763 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 504 mSolverCounterUnsat, 1125 mSDtfsCounter, 3259 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 329 SyntacticMatches, 7 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=770occurred in iteration=9, InterpolantAutomatonStates: 153, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 435 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 1994 PreInvPairs, 2478 NumberOfFragments, 2877 HoareAnnotationTreeSize, 1994 FomulaSimplifications, 8411 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 15561 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 726 NumberOfCodeBlocks, 726 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 800 ConstructedInterpolants, 0 QuantifiedInterpolants, 1553 SizeOfPredicates, 7 NumberOfNonLiveVariables, 553 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 74/93 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: 109]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (((((((((2 < waterLevel) || (((((!((tmp == 0)) && (\result == 0)) && (waterLevel <= 1)) && (0 == tmp)) && (1 == systemActive)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (\result == 0)) && (0 == tmp)) && (1 == systemActive)) && (\result == 0)) && (pumpRunning == 1))) || !((methaneLevelCritical == 0))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((!((tmp == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (pumpRunning == 1))) || !((methaneLevelCritical == 1))) || ((!((tmp == 0)) && (\result == 0)) && (pumpRunning == 1)))) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: ((((((((((!((tmp == 0)) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || (((pumpRunning == 0) && !((tmp == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && ((((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel)))) && ((((((((!((tmp == 0)) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || ((((pumpRunning == 0) && !((tmp == 0))) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || (((\result == 1) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 0))) || !((methaneLevelCritical == 1))) || ((pumpRunning == 0) && (waterLevel <= 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (waterLevel <= 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((((((((((2 < waterLevel) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || (((!((tmp == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (pumpRunning == 1))) || !((methaneLevelCritical == 1))) || ((!((tmp == 0)) && (\result == 0)) && (pumpRunning == 1))) && ((((((2 < waterLevel) || (((((!((tmp == 0)) && (\result == 0)) && (waterLevel <= 1)) && (0 == tmp)) && (1 == systemActive)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (\result == 0)) && (0 == tmp)) && (1 == systemActive)) && (\result == 0)) && (pumpRunning == 1))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && !((\result == 0))) && (1 <= tmp___0)) && (\result == 0)) && (tmp == 0))) || !((methaneLevelCritical == 1))) || ((pumpRunning == 0) && (waterLevel <= 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && !((\result == 0))) && (1 <= tmp___0)) && (\result == 0)) && (tmp == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (waterLevel <= 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1)) || (((((1 == systemActive) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2))) || (((((pumpRunning == 0) && (1 == systemActive)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) || ((((tmp == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) || ((((tmp == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\result <= 1))) && (((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && (\result <= 1))) || ((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\result == 1))) && ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((((((2 < waterLevel) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((!((tmp == 0)) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || !((methaneLevelCritical == 1))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((!((tmp == 0)) && (pumpRunning == 0)) && (\result == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || (((((!((tmp == 0)) && (pumpRunning == 0)) && (\result == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1)))) - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1)) || (((((1 == systemActive) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1))) || (((((pumpRunning == 0) && (1 == systemActive)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel)))) && ((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || !((methaneLevelCritical == 1))) || (2 < \old(waterLevel)))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:16:03,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494a2c1e-5e57-4440-bda8-c8caa41bfff0/bin/uautomizer-verify-WvqO1wxjHP/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