./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/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_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/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_a7ab15b1-930b-443b-bf16-0fa7b89a974c/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 ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:10:29,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:10:29,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:10:29,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:10:29,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:10:29,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:10:29,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:10:29,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:10:29,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:10:29,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:10:29,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:10:29,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:10:29,240 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:10:29,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:10:29,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:10:29,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:10:29,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:10:29,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:10:29,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:10:29,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:10:29,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:10:29,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:10:29,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:10:29,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:10:29,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:10:29,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:10:29,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:10:29,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:10:29,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:10:29,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:10:29,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:10:29,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:10:29,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:10:29,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:10:29,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:10:29,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:10:29,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:10:29,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:10:29,253 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:10:29,254 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_a7ab15b1-930b-443b-bf16-0fa7b89a974c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 [2023-11-06 23:10:29,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:10:29,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:10:29,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:10:29,600 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:10:29,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:10:29,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2023-11-06 23:10:32,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:10:32,927 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:10:32,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2023-11-06 23:10:32,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/data/afcf92abc/4bbed5bd77744ecba6352c17e592084e/FLAG2e11704ca [2023-11-06 23:10:32,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/data/afcf92abc/4bbed5bd77744ecba6352c17e592084e [2023-11-06 23:10:32,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:10:32,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:10:32,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:10:32,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:10:32,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:10:32,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:32,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb07ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:32, skipping insertion in model container [2023-11-06 23:10:32,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:10:32" (1/1) ... [2023-11-06 23:10:33,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:10:33,183 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_a7ab15b1-930b-443b-bf16-0fa7b89a974c/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2023-11-06 23:10:33,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:33,337 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:10:33,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-06 23:10:33,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [58] [2023-11-06 23:10:33,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [99] [2023-11-06 23:10:33,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [137] [2023-11-06 23:10:33,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [331] [2023-11-06 23:10:33,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [401] [2023-11-06 23:10:33,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [498] [2023-11-06 23:10:33,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] [2023-11-06 23:10:33,354 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_a7ab15b1-930b-443b-bf16-0fa7b89a974c/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2023-11-06 23:10:33,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:33,426 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:10:33,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33 WrapperNode [2023-11-06 23:10:33,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:10:33,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:10:33,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:10:33,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:10:33,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,484 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 197 [2023-11-06 23:10:33,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:10:33,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:10:33,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:10:33,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:10:33,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:10:33,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:10:33,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:10:33,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:10:33,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (1/1) ... [2023-11-06 23:10:33,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:10:33,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:33,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:10:33,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:10:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:10:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 23:10:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 23:10:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 23:10:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 23:10:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 23:10:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 23:10:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 23:10:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 23:10:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 23:10:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 23:10:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 23:10:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 23:10:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:10:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 23:10:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 23:10:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:10:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:10:33,705 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:10:33,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:10:34,040 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:10:34,047 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:10:34,048 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 23:10:34,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:34 BoogieIcfgContainer [2023-11-06 23:10:34,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:10:34,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:10:34,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:10:34,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:10:34,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:10:32" (1/3) ... [2023-11-06 23:10:34,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228ef070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:34, skipping insertion in model container [2023-11-06 23:10:34,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:33" (2/3) ... [2023-11-06 23:10:34,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228ef070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:34, skipping insertion in model container [2023-11-06 23:10:34,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:34" (3/3) ... [2023-11-06 23:10:34,059 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2023-11-06 23:10:34,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:10:34,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:10:34,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:10:34,139 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;@4dce0bfd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:10:34,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:10:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 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 23:10:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 23:10:34,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:34,155 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 23:10:34,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:34,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:34,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1803312447, now seen corresponding path program 1 times [2023-11-06 23:10:34,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:34,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606368828] [2023-11-06 23:10:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:34,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 23:10:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:34,464 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 23:10:34,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:34,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606368828] [2023-11-06 23:10:34,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606368828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:34,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:34,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:10:34,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162640196] [2023-11-06 23:10:34,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:34,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:10:34,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:34,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:10:34,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:10:34,537 INFO L87 Difference]: Start difference. First operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 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 23:10:34,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:34,598 INFO L93 Difference]: Finished difference Result 167 states and 228 transitions. [2023-11-06 23:10:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:10:34,600 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 23:10:34,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:34,611 INFO L225 Difference]: With dead ends: 167 [2023-11-06 23:10:34,611 INFO L226 Difference]: Without dead ends: 79 [2023-11-06 23:10:34,616 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 23:10:34,622 INFO L413 NwaCegarLoop]: 111 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, 111 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 23:10:34,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:10:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-06 23:10:34,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-06 23:10:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 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 23:10:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2023-11-06 23:10:34,694 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2023-11-06 23:10:34,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:34,695 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2023-11-06 23:10:34,696 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 23:10:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-06 23:10:34,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 23:10:34,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:34,702 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 23:10:34,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:10:34,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:34,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:34,703 INFO L85 PathProgramCache]: Analyzing trace with hash 220336758, now seen corresponding path program 1 times [2023-11-06 23:10:34,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:34,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500601725] [2023-11-06 23:10:34,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 23:10:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:34,894 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 23:10:34,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:34,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500601725] [2023-11-06 23:10:34,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500601725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:34,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:34,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:10:34,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688772579] [2023-11-06 23:10:34,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:34,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:34,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:34,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:34,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:34,898 INFO L87 Difference]: Start difference. First operand 79 states and 102 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 23:10:34,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:34,941 INFO L93 Difference]: Finished difference Result 122 states and 158 transitions. [2023-11-06 23:10:34,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:34,942 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 23:10:34,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:34,944 INFO L225 Difference]: With dead ends: 122 [2023-11-06 23:10:34,945 INFO L226 Difference]: Without dead ends: 70 [2023-11-06 23:10:34,947 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 23:10:34,949 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 13 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 161 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 23:10:34,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:10:34,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-06 23:10:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-06 23:10:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 61 states have internal predecessors, (72), 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 23:10:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2023-11-06 23:10:34,973 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 26 [2023-11-06 23:10:34,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:34,974 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2023-11-06 23:10:34,975 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 23:10:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2023-11-06 23:10:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 23:10:34,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:34,982 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 23:10:34,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:10:34,983 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:34,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:34,986 INFO L85 PathProgramCache]: Analyzing trace with hash 753977737, now seen corresponding path program 1 times [2023-11-06 23:10:34,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:34,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543716751] [2023-11-06 23:10:34,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:34,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,164 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 23:10:35,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:35,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543716751] [2023-11-06 23:10:35,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543716751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:35,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:35,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:10:35,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902397379] [2023-11-06 23:10:35,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:35,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:35,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:35,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:35,167 INFO L87 Difference]: Start difference. First operand 70 states and 90 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 23:10:35,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:35,191 INFO L93 Difference]: Finished difference Result 132 states and 173 transitions. [2023-11-06 23:10:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:35,192 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 23:10:35,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:35,193 INFO L225 Difference]: With dead ends: 132 [2023-11-06 23:10:35,193 INFO L226 Difference]: Without dead ends: 70 [2023-11-06 23:10:35,194 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 23:10:35,196 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 84 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 88 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 23:10:35,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:10:35,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-06 23:10:35,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-06 23:10:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 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 23:10:35,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2023-11-06 23:10:35,210 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 31 [2023-11-06 23:10:35,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:35,211 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2023-11-06 23:10:35,211 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 23:10:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-11-06 23:10:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 23:10:35,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:35,213 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 23:10:35,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:10:35,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:35,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:35,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1236058631, now seen corresponding path program 1 times [2023-11-06 23:10:35,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:35,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281213709] [2023-11-06 23:10:35,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:35,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:10:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 23:10:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,365 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 23:10:35,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:35,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281213709] [2023-11-06 23:10:35,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281213709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:35,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:35,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:35,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239637870] [2023-11-06 23:10:35,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:35,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:10:35,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:35,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:10:35,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:10:35,368 INFO L87 Difference]: Start difference. First operand 70 states and 89 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 23:10:35,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:35,614 INFO L93 Difference]: Finished difference Result 207 states and 265 transitions. [2023-11-06 23:10:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:10:35,615 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 23:10:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:35,618 INFO L225 Difference]: With dead ends: 207 [2023-11-06 23:10:35,618 INFO L226 Difference]: Without dead ends: 145 [2023-11-06 23:10:35,619 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 23:10:35,620 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 161 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:35,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 281 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:10:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-06 23:10:35,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 139. [2023-11-06 23:10:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 107 states have (on average 1.280373831775701) internal successors, (137), 114 states have internal predecessors, (137), 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 23:10:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 172 transitions. [2023-11-06 23:10:35,649 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 172 transitions. Word has length 41 [2023-11-06 23:10:35,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:35,650 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 172 transitions. [2023-11-06 23:10:35,650 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 23:10:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 172 transitions. [2023-11-06 23:10:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 23:10:35,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:35,652 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] [2023-11-06 23:10:35,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:10:35,653 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:35,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:35,654 INFO L85 PathProgramCache]: Analyzing trace with hash -649911993, now seen corresponding path program 1 times [2023-11-06 23:10:35,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:35,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766940502] [2023-11-06 23:10:35,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 23:10:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:35,784 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 23:10:35,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:35,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766940502] [2023-11-06 23:10:35,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766940502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:35,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:35,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:10:35,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255102109] [2023-11-06 23:10:35,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:35,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:35,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:35,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:35,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:10:35,788 INFO L87 Difference]: Start difference. First operand 139 states and 172 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, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:10:35,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:35,967 INFO L93 Difference]: Finished difference Result 278 states and 348 transitions. [2023-11-06 23:10:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:10:35,968 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, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 23:10:35,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:35,970 INFO L225 Difference]: With dead ends: 278 [2023-11-06 23:10:35,970 INFO L226 Difference]: Without dead ends: 147 [2023-11-06 23:10:35,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:10:35,973 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 55 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:35,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 355 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:10:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-06 23:10:36,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 142. [2023-11-06 23:10:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 117 states have internal predecessors, (140), 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 23:10:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 175 transitions. [2023-11-06 23:10:36,016 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 175 transitions. Word has length 45 [2023-11-06 23:10:36,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:36,017 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 175 transitions. [2023-11-06 23:10:36,017 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, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:10:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 175 transitions. [2023-11-06 23:10:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 23:10:36,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:36,019 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] [2023-11-06 23:10:36,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:10:36,020 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:36,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:36,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1956111561, now seen corresponding path program 1 times [2023-11-06 23:10:36,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:36,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660575944] [2023-11-06 23:10:36,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:36,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 23:10:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,159 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 23:10:36,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:36,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660575944] [2023-11-06 23:10:36,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660575944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:36,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:36,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:36,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911833911] [2023-11-06 23:10:36,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:36,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:10:36,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:36,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:10:36,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:10:36,164 INFO L87 Difference]: Start difference. First operand 142 states and 175 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:10:36,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:36,318 INFO L93 Difference]: Finished difference Result 286 states and 359 transitions. [2023-11-06 23:10:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:10:36,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 23:10:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:36,325 INFO L225 Difference]: With dead ends: 286 [2023-11-06 23:10:36,325 INFO L226 Difference]: Without dead ends: 152 [2023-11-06 23:10:36,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:10:36,329 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 58 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:36,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 279 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:10:36,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-06 23:10:36,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 144. [2023-11-06 23:10:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 119 states have internal predecessors, (142), 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 23:10:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 177 transitions. [2023-11-06 23:10:36,378 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 177 transitions. Word has length 45 [2023-11-06 23:10:36,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:36,379 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 177 transitions. [2023-11-06 23:10:36,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:10:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 177 transitions. [2023-11-06 23:10:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 23:10:36,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:36,384 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] [2023-11-06 23:10:36,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:10:36,385 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:36,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:36,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1916153909, now seen corresponding path program 1 times [2023-11-06 23:10:36,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:36,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539169916] [2023-11-06 23:10:36,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:36,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 23:10:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,536 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 23:10:36,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:36,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539169916] [2023-11-06 23:10:36,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539169916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:36,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:36,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:36,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71358910] [2023-11-06 23:10:36,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:36,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:10:36,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:36,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:10:36,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:10:36,542 INFO L87 Difference]: Start difference. First operand 144 states and 177 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:10:36,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:36,783 INFO L93 Difference]: Finished difference Result 405 states and 519 transitions. [2023-11-06 23:10:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:10:36,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 23:10:36,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:36,789 INFO L225 Difference]: With dead ends: 405 [2023-11-06 23:10:36,789 INFO L226 Difference]: Without dead ends: 269 [2023-11-06 23:10:36,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:10:36,794 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 198 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:36,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 287 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:10:36,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-11-06 23:10:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 261. [2023-11-06 23:10:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 201 states have (on average 1.2587064676616915) internal successors, (253), 212 states have internal predecessors, (253), 30 states have call successors, (30), 28 states have call predecessors, (30), 29 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2023-11-06 23:10:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 328 transitions. [2023-11-06 23:10:36,840 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 328 transitions. Word has length 45 [2023-11-06 23:10:36,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:36,845 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 328 transitions. [2023-11-06 23:10:36,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:10:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 328 transitions. [2023-11-06 23:10:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 23:10:36,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:36,848 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 23:10:36,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:10:36,848 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:36,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:36,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1607715167, now seen corresponding path program 1 times [2023-11-06 23:10:36,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:36,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716206562] [2023-11-06 23:10:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:36,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:10:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-06 23:10:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,028 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 23:10:37,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:37,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716206562] [2023-11-06 23:10:37,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716206562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:37,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:37,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:10:37,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566953571] [2023-11-06 23:10:37,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:37,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:37,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:37,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:37,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:10:37,035 INFO L87 Difference]: Start difference. First operand 261 states and 328 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:10:37,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:37,297 INFO L93 Difference]: Finished difference Result 526 states and 669 transitions. [2023-11-06 23:10:37,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:10:37,298 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), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2023-11-06 23:10:37,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:37,300 INFO L225 Difference]: With dead ends: 526 [2023-11-06 23:10:37,301 INFO L226 Difference]: Without dead ends: 273 [2023-11-06 23:10:37,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:10:37,303 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 109 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:37,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 303 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:10:37,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-11-06 23:10:37,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 257. [2023-11-06 23:10:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 197 states have (on average 1.2233502538071066) internal successors, (241), 208 states have internal predecessors, (241), 30 states have call successors, (30), 28 states have call predecessors, (30), 29 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2023-11-06 23:10:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 316 transitions. [2023-11-06 23:10:37,336 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 316 transitions. Word has length 47 [2023-11-06 23:10:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:37,336 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 316 transitions. [2023-11-06 23:10:37,337 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), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:10:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 316 transitions. [2023-11-06 23:10:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 23:10:37,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:37,338 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] [2023-11-06 23:10:37,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:10:37,338 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:37,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:37,339 INFO L85 PathProgramCache]: Analyzing trace with hash 715309297, now seen corresponding path program 1 times [2023-11-06 23:10:37,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:37,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836542461] [2023-11-06 23:10:37,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:37,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:10:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 23:10:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 23:10:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,416 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 23:10:37,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:37,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836542461] [2023-11-06 23:10:37,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836542461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:37,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:37,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:37,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123526783] [2023-11-06 23:10:37,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:37,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:10:37,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:37,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:10:37,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:10:37,419 INFO L87 Difference]: Start difference. First operand 257 states and 316 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:10:37,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:37,766 INFO L93 Difference]: Finished difference Result 473 states and 598 transitions. [2023-11-06 23:10:37,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 23:10:37,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2023-11-06 23:10:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:37,803 INFO L225 Difference]: With dead ends: 473 [2023-11-06 23:10:37,803 INFO L226 Difference]: Without dead ends: 471 [2023-11-06 23:10:37,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:10:37,804 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 264 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:37,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 214 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:10:37,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-11-06 23:10:37,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 431. [2023-11-06 23:10:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 330 states have (on average 1.2242424242424241) internal successors, (404), 351 states have internal predecessors, (404), 52 states have call successors, (52), 42 states have call predecessors, (52), 48 states have return successors, (94), 51 states have call predecessors, (94), 52 states have call successors, (94) [2023-11-06 23:10:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 550 transitions. [2023-11-06 23:10:37,876 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 550 transitions. Word has length 49 [2023-11-06 23:10:37,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:37,878 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 550 transitions. [2023-11-06 23:10:37,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:10:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 550 transitions. [2023-11-06 23:10:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-06 23:10:37,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:37,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:37,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:10:37,882 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:37,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:37,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1623088946, now seen corresponding path program 1 times [2023-11-06 23:10:37,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:37,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378251483] [2023-11-06 23:10:37,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:10:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:10:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 23:10:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 23:10:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 23:10:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 23:10:38,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:38,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378251483] [2023-11-06 23:10:38,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378251483] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:38,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621523055] [2023-11-06 23:10:38,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:38,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:38,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:38,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:38,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:10:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:10:38,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:38,277 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:10:38,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621523055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:38,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:10:38,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2023-11-06 23:10:38,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898555818] [2023-11-06 23:10:38,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:38,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:38,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:38,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:38,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:38,280 INFO L87 Difference]: Start difference. First operand 431 states and 550 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 23:10:38,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:38,344 INFO L93 Difference]: Finished difference Result 756 states and 980 transitions. [2023-11-06 23:10:38,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:38,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 88 [2023-11-06 23:10:38,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:38,348 INFO L225 Difference]: With dead ends: 756 [2023-11-06 23:10:38,348 INFO L226 Difference]: Without dead ends: 382 [2023-11-06 23:10:38,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:38,351 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 37 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:38,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 193 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:10:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-11-06 23:10:38,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2023-11-06 23:10:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 292 states have (on average 1.2191780821917808) internal successors, (356), 311 states have internal predecessors, (356), 47 states have call successors, (47), 37 states have call predecessors, (47), 42 states have return successors, (72), 47 states have call predecessors, (72), 47 states have call successors, (72) [2023-11-06 23:10:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 475 transitions. [2023-11-06 23:10:38,421 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 475 transitions. Word has length 88 [2023-11-06 23:10:38,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:38,423 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 475 transitions. [2023-11-06 23:10:38,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 23:10:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 475 transitions. [2023-11-06 23:10:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-06 23:10:38,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:38,425 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:38,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 23:10:38,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:10:38,633 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:38,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:38,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1045609474, now seen corresponding path program 1 times [2023-11-06 23:10:38,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:38,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682123338] [2023-11-06 23:10:38,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:38,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:10:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:10:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:10:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 23:10:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 23:10:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 23:10:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:10:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 23:10:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,818 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 23:10:38,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:38,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682123338] [2023-11-06 23:10:38,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682123338] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:38,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882810620] [2023-11-06 23:10:38,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:38,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:38,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:38,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:38,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:10:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:10:38,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 23:10:39,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-06 23:10:39,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882810620] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:39,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:10:39,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 5] total 14 [2023-11-06 23:10:39,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500341746] [2023-11-06 23:10:39,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:39,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:39,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:39,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:39,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:10:39,271 INFO L87 Difference]: Start difference. First operand 382 states and 475 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 23:10:39,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:39,485 INFO L93 Difference]: Finished difference Result 1078 states and 1374 transitions. [2023-11-06 23:10:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:10:39,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2023-11-06 23:10:39,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:39,492 INFO L225 Difference]: With dead ends: 1078 [2023-11-06 23:10:39,492 INFO L226 Difference]: Without dead ends: 704 [2023-11-06 23:10:39,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:10:39,495 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 48 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:39,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 394 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:10:39,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2023-11-06 23:10:39,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 646. [2023-11-06 23:10:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 488 states have (on average 1.1885245901639345) internal successors, (580), 522 states have internal predecessors, (580), 81 states have call successors, (81), 65 states have call predecessors, (81), 76 states have return successors, (125), 81 states have call predecessors, (125), 81 states have call successors, (125) [2023-11-06 23:10:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 786 transitions. [2023-11-06 23:10:39,595 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 786 transitions. Word has length 93 [2023-11-06 23:10:39,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:39,596 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 786 transitions. [2023-11-06 23:10:39,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 23:10:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 786 transitions. [2023-11-06 23:10:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-06 23:10:39,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:39,599 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:39,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:39,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 23:10:39,805 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:39,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:39,806 INFO L85 PathProgramCache]: Analyzing trace with hash 429876390, now seen corresponding path program 1 times [2023-11-06 23:10:39,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:39,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756420560] [2023-11-06 23:10:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:39,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:39,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:10:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 23:10:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 23:10:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:10:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 23:10:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-06 23:10:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 23:10:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:10:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 23:10:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 23:10:40,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:40,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756420560] [2023-11-06 23:10:40,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756420560] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:40,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234149152] [2023-11-06 23:10:40,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:40,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:40,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:40,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:40,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:10:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:10:40,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 23:10:40,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:10:40,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234149152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:40,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:10:40,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2023-11-06 23:10:40,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314734090] [2023-11-06 23:10:40,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:40,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:10:40,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:40,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:10:40,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:10:40,305 INFO L87 Difference]: Start difference. First operand 646 states and 786 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 23:10:40,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:40,471 INFO L93 Difference]: Finished difference Result 1174 states and 1422 transitions. [2023-11-06 23:10:40,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:10:40,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2023-11-06 23:10:40,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:40,473 INFO L225 Difference]: With dead ends: 1174 [2023-11-06 23:10:40,473 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:10:40,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-06 23:10:40,476 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 38 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:40,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 820 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:10:40,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:10:40,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:10:40,477 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 23:10:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:10:40,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2023-11-06 23:10:40,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:40,478 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:10:40,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 23:10:40,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:10:40,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:10:40,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:10:40,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 23:10:40,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 23:10:40,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:10:46,310 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 173 179) no Hoare annotation was computed. [2023-11-06 23:10:46,310 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 173 179) the Hoare annotation is: true [2023-11-06 23:10:46,310 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 526 537) no Hoare annotation was computed. [2023-11-06 23:10:46,311 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 526 537) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse4 .cse6 .cse2 .cse7) (or .cse1 .cse5 .cse2 .cse3 .cse7))) [2023-11-06 23:10:46,311 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 526 537) no Hoare annotation was computed. [2023-11-06 23:10:46,311 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2023-11-06 23:10:46,311 INFO L902 garLoopResultBuilder]: At program point L417-1(lines 417 421) the Hoare annotation is: true [2023-11-06 23:10:46,311 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 403 432) no Hoare annotation was computed. [2023-11-06 23:10:46,311 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-11-06 23:10:46,311 INFO L902 garLoopResultBuilder]: At program point L413-2(lines 413 427) the Hoare annotation is: true [2023-11-06 23:10:46,311 INFO L902 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: true [2023-11-06 23:10:46,311 INFO L899 garLoopResultBuilder]: For program point L409-1(line 409) no Hoare annotation was computed. [2023-11-06 23:10:46,311 INFO L902 garLoopResultBuilder]: At program point L428(lines 403 432) the Hoare annotation is: true [2023-11-06 23:10:46,312 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 403 432) the Hoare annotation is: true [2023-11-06 23:10:46,312 INFO L899 garLoopResultBuilder]: For program point L424(line 424) no Hoare annotation was computed. [2023-11-06 23:10:46,312 INFO L895 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse1 .cse4) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse3))) [2023-11-06 23:10:46,312 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2023-11-06 23:10:46,312 INFO L895 garLoopResultBuilder]: At program point L506-2(lines 502 513) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or .cse6 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0)) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse4))) [2023-11-06 23:10:46,313 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 149 172) no Hoare annotation was computed. [2023-11-06 23:10:46,313 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse1 .cse6 .cse3) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3))) [2023-11-06 23:10:46,313 INFO L895 garLoopResultBuilder]: At program point L226-1(lines 207 231) the Hoare annotation is: (let ((.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not .cse14)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse6 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse12)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse11 .cse12 .cse14 .cse13)) (.cse10 (and (<= 1 ~pumpRunning~0) .cse2 (<= 2 ~waterLevel~0) .cse13)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not .cse12)) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse4 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse4 .cse9 .cse10 .cse5) (or .cse4 (< |old(~waterLevel~0)| 2) .cse6 .cse7 .cse8) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (and .cse0 .cse11 .cse12) .cse5 .cse7) (or .cse0 .cse1 .cse4 .cse9 .cse10 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse8))))) [2023-11-06 23:10:46,313 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2023-11-06 23:10:46,314 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 92) no Hoare annotation was computed. [2023-11-06 23:10:46,314 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2023-11-06 23:10:46,314 INFO L895 garLoopResultBuilder]: At program point L78-1(lines 70 98) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| 0))) (let ((.cse5 (not .cse9)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse8 (= 1 ~systemActive~0))) (let ((.cse1 (and .cse5 .cse6 .cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse8)) (.cse11 (<= 1 ~pumpRunning~0)) (.cse12 (<= 2 ~waterLevel~0)) (.cse14 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse0 (and .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse12 .cse8 .cse10) .cse3) (or .cse0 .cse13 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse14) .cse2 (and .cse5 .cse6 .cse7 .cse8 .cse14)) (or .cse5 .cse4 (and .cse6 .cse7 .cse8 .cse9 .cse14 .cse10) .cse0 (and .cse11 .cse7 .cse12 .cse8 .cse14 .cse10) .cse13))))) [2023-11-06 23:10:46,314 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 152 171) no Hoare annotation was computed. [2023-11-06 23:10:46,314 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 223) no Hoare annotation was computed. [2023-11-06 23:10:46,314 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 23:10:46,314 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2023-11-06 23:10:46,315 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2023-11-06 23:10:46,315 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 50 57) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse1 .cse4) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse3))) [2023-11-06 23:10:46,315 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 149 172) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse4 .cse6)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse10 (and (= ~pumpRunning~0 0) .cse5 .cse6)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse7 .cse0 .cse3 .cse8) (or .cse0 (< |old(~waterLevel~0)| 2) .cse2 .cse3 .cse8) (or .cse9 .cse7 .cse0 .cse10 .cse8) (or .cse9 .cse7 .cse0 .cse10 .cse1)))) [2023-11-06 23:10:46,315 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 240 247) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 1 ~systemActive~0))) (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse5 .cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not .cse8)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6) (or .cse1 (and .cse5 .cse7 .cse8) .cse6 .cse3) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse4)))) [2023-11-06 23:10:46,316 INFO L895 garLoopResultBuilder]: At program point L253(line 253) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or .cse6 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0)) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse4))) [2023-11-06 23:10:46,316 INFO L899 garLoopResultBuilder]: For program point L253-1(line 253) no Hoare annotation was computed. [2023-11-06 23:10:46,325 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not .cse14)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse0 .cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse12)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse11 .cse12 .cse14 .cse13)) (.cse10 (and (<= 1 ~pumpRunning~0) .cse2 (<= 2 ~waterLevel~0) .cse13)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not .cse12)) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse4 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse4 .cse9 .cse10 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (and .cse0 .cse11 .cse12) .cse5 .cse7) (or .cse4 (< |old(~waterLevel~0)| 2) .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse4 .cse9 .cse10 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse8))))) [2023-11-06 23:10:46,325 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2023-11-06 23:10:46,325 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 149 172) no Hoare annotation was computed. [2023-11-06 23:10:46,325 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 248 258) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0) .cse5) .cse3 .cse6) (or .cse7 .cse4 .cse1 .cse2) (or .cse1 (< |old(~waterLevel~0)| 2) (and .cse0 .cse5) .cse3 .cse6) (or .cse7 .cse4 .cse1 .cse6))) [2023-11-06 23:10:46,326 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 259 267) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse11 (= 1 ~systemActive~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse10 (and .cse3 .cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8 .cse11)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (not .cse11)) (.cse9 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 .cse4 .cse0 (and (<= 1 ~pumpRunning~0) .cse5 (<= 2 ~waterLevel~0) .cse6) (and .cse7 .cse8 .cse6) .cse9)) (or .cse3 .cse4 .cse0 .cse1) (or .cse4 .cse0 .cse2 .cse10 .cse9) (or .cse0 (< |old(~waterLevel~0)| 2) .cse2 .cse10 .cse9) (or .cse3 .cse4 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse9)))) [2023-11-06 23:10:46,326 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-06 23:10:46,326 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 538 546) the Hoare annotation is: true [2023-11-06 23:10:46,326 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 538 546) no Hoare annotation was computed. [2023-11-06 23:10:46,326 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 538 546) no Hoare annotation was computed. [2023-11-06 23:10:46,327 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 323 330) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse6 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse3))) [2023-11-06 23:10:46,327 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 464 474) the Hoare annotation is: true [2023-11-06 23:10:46,327 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 114 120) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:10:46,327 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 475 497) the Hoare annotation is: true [2023-11-06 23:10:46,327 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:10:46,328 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2023-11-06 23:10:46,328 INFO L895 garLoopResultBuilder]: At program point L383-2(lines 375 388) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse6 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse3))) [2023-11-06 23:10:46,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:10:46,329 INFO L899 garLoopResultBuilder]: For program point L346(lines 345 392) no Hoare annotation was computed. [2023-11-06 23:10:46,329 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 388) no Hoare annotation was computed. [2023-11-06 23:10:46,329 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3))) [2023-11-06 23:10:46,329 INFO L902 garLoopResultBuilder]: At program point L396(lines 335 400) the Hoare annotation is: true [2023-11-06 23:10:46,329 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 457 463) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:10:46,330 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 361) no Hoare annotation was computed. [2023-11-06 23:10:46,330 INFO L899 garLoopResultBuilder]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2023-11-06 23:10:46,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:10:46,330 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2023-11-06 23:10:46,330 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:10:46,331 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 121 127) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:10:46,331 INFO L895 garLoopResultBuilder]: At program point L393(lines 344 394) the Hoare annotation is: false [2023-11-06 23:10:46,331 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 62 69) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:10:46,331 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 371) no Hoare annotation was computed. [2023-11-06 23:10:46,331 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2023-11-06 23:10:46,331 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 128 136) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:10:46,332 INFO L895 garLoopResultBuilder]: At program point L390(lines 345 392) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3))) [2023-11-06 23:10:46,332 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 492) no Hoare annotation was computed. [2023-11-06 23:10:46,332 INFO L895 garLoopResultBuilder]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3))) [2023-11-06 23:10:46,332 INFO L899 garLoopResultBuilder]: For program point L485-2(lines 485 492) no Hoare annotation was computed. [2023-11-06 23:10:46,332 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 232 239) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4))) [2023-11-06 23:10:46,333 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 181 205) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-06 23:10:46,333 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 589) no Hoare annotation was computed. [2023-11-06 23:10:46,335 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= ~pumpRunning~0 0) .cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse1 .cse4 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse4 .cse2 .cse3)))) [2023-11-06 23:10:46,335 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 579 592) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse4 (and .cse6 (<= 2 ~waterLevel~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse2 .cse4 .cse5 (< ~methaneLevelCritical~0 1))))) [2023-11-06 23:10:46,336 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 304 322) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse7 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse0 (not .cse7)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse6 (<= 2 ~waterLevel~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse4 .cse5 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4 .cse5)))) [2023-11-06 23:10:46,337 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 197) no Hoare annotation was computed. [2023-11-06 23:10:46,337 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 181 205) no Hoare annotation was computed. [2023-11-06 23:10:46,337 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 202) no Hoare annotation was computed. [2023-11-06 23:10:46,337 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 317) no Hoare annotation was computed. [2023-11-06 23:10:46,337 INFO L899 garLoopResultBuilder]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2023-11-06 23:10:46,337 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-06 23:10:46,338 INFO L899 garLoopResultBuilder]: For program point L200-1(lines 181 205) no Hoare annotation was computed. [2023-11-06 23:10:46,338 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 514 525) no Hoare annotation was computed. [2023-11-06 23:10:46,338 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 514 525) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse4))) [2023-11-06 23:10:46,338 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2023-11-06 23:10:46,341 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:46,343 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:10:46,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:10:46 BoogieIcfgContainer [2023-11-06 23:10:46,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:10:46,418 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:10:46,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:10:46,419 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:10:46,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:34" (3/4) ... [2023-11-06 23:10:46,422 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:10:46,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 23:10:46,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 23:10:46,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 23:10:46,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 23:10:46,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 23:10:46,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 23:10:46,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 23:10:46,435 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 23:10:46,436 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 23:10:46,437 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:10:46,437 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:10:46,438 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:10:46,468 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || ((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) [2023-11-06 23:10:46,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (\result == 0)) && (1 == systemActive))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (\result == 0)) && (1 == systemActive))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 1))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (1 == systemActive)) && (\result == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (1 == systemActive)) && (\result == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0)))) [2023-11-06 23:10:46,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) [2023-11-06 23:10:46,528 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,528 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,529 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || ((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) [2023-11-06 23:10:46,529 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,530 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (\result == 0)) && (1 == systemActive))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (\result == 0)) && (1 == systemActive))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,530 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 1))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,530 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,530 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 23:10:46,531 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (1 == systemActive)) && (\result == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (1 == systemActive)) && (\result == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0)))) [2023-11-06 23:10:46,531 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) [2023-11-06 23:10:46,561 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:10:46,562 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:10:46,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:10:46,563 INFO L158 Benchmark]: Toolchain (without parser) took 13604.05ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 98.3MB in the beginning and 153.4MB in the end (delta: -55.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-06 23:10:46,564 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:10:46,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.25ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 78.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 23:10:46,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.32ms. Allocated memory is still 136.3MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:10:46,565 INFO L158 Benchmark]: Boogie Preprocessor took 28.94ms. Allocated memory is still 136.3MB. Free memory was 76.6MB in the beginning and 74.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:10:46,565 INFO L158 Benchmark]: RCFGBuilder took 534.97ms. Allocated memory is still 136.3MB. Free memory was 74.9MB in the beginning and 97.6MB in the end (delta: -22.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-11-06 23:10:46,566 INFO L158 Benchmark]: TraceAbstraction took 12365.70ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 96.9MB in the beginning and 160.8MB in the end (delta: -63.9MB). Peak memory consumption was 110.1MB. Max. memory is 16.1GB. [2023-11-06 23:10:46,566 INFO L158 Benchmark]: Witness Printer took 144.19ms. Allocated memory is still 205.5MB. Free memory was 160.8MB in the beginning and 153.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:10:46,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.25ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 78.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.32ms. Allocated memory is still 136.3MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.94ms. Allocated memory is still 136.3MB. Free memory was 76.6MB in the beginning and 74.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.97ms. Allocated memory is still 136.3MB. Free memory was 74.9MB in the beginning and 97.6MB in the end (delta: -22.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12365.70ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 96.9MB in the beginning and 160.8MB in the end (delta: -63.9MB). Peak memory consumption was 110.1MB. Max. memory is 16.1GB. * Witness Printer took 144.19ms. Allocated memory is still 205.5MB. Free memory was 160.8MB in the beginning and 153.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [58] - GenericResultAtLocation [Line: 99]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [99] - GenericResultAtLocation [Line: 137]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [137] - GenericResultAtLocation [Line: 331]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [331] - GenericResultAtLocation [Line: 401]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [401] - GenericResultAtLocation [Line: 498]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [498] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] * 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: 54]: 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, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1095 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1065 mSDsluCounter, 3486 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2286 mSDsCounter, 238 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 829 IncrementalHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 238 mSolverCounterUnsat, 1200 mSDtfsCounter, 829 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 542 GetRequests, 461 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=646occurred in iteration=11, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 141 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1234 PreInvPairs, 1433 NumberOfFragments, 2538 HoareAnnotationTreeSize, 1234 FomulaSimplifications, 937 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 9326 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 910 NumberOfCodeBlocks, 910 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 1946 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 227/242 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: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: (((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (\result == 0)) && (1 == systemActive))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (\result == 0)) && (1 == systemActive))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || ((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 1))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (1 == systemActive)) && (\result == 0))) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (1 == systemActive)) && (\result == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:10:46,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ab15b1-930b-443b-bf16-0fa7b89a974c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE