./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/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_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/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_348e8690-e254-4c12-b87e-30b2aa53fc2b/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 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:59,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:59,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:52:59,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:59,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:59,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:59,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:59,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:59,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:59,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:59,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:59,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:59,272 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:59,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:59,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:59,275 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:59,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:52:59,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:59,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:59,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:59,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:59,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:59,278 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:59,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:59,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:59,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:59,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:59,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:59,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:59,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:59,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:59,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:59,283 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:52:59,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:52:59,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:59,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:59,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:59,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:59,285 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:59,285 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_348e8690-e254-4c12-b87e-30b2aa53fc2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 [2023-11-06 22:52:59,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:59,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:59,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:59,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:59,626 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:59,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2023-11-06 22:53:02,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:03,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:03,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2023-11-06 22:53:03,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/data/f7b3b01b9/51dba76683524962aadc909d8292ded6/FLAG88f73c8fc [2023-11-06 22:53:03,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/data/f7b3b01b9/51dba76683524962aadc909d8292ded6 [2023-11-06 22:53:03,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:03,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:03,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:03,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:03,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:03,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d908785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03, skipping insertion in model container [2023-11-06 22:53:03,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:03,495 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_348e8690-e254-4c12-b87e-30b2aa53fc2b/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2023-11-06 22:53:03,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:03,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:03,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-06 22:53:03,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2023-11-06 22:53:03,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [127] [2023-11-06 22:53:03,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [493] [2023-11-06 22:53:03,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [726] [2023-11-06 22:53:03,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [765] [2023-11-06 22:53:03,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [865] [2023-11-06 22:53:03,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [969] [2023-11-06 22:53:03,663 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_348e8690-e254-4c12-b87e-30b2aa53fc2b/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2023-11-06 22:53:03,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:03,775 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:03,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03 WrapperNode [2023-11-06 22:53:03,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:03,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:03,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:03,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:03,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,865 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 224 [2023-11-06 22:53:03,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:03,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:03,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:03,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:03,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:03,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:03,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:03,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:03,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:03,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:03,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:03,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:53:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:53:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:53:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:53:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:53:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:53:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:53:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:53:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:53:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:53:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:53:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:53:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:53:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:53:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:53:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:53:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:53:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:04,108 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:04,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:04,447 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:04,455 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:04,455 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:53:04,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:04 BoogieIcfgContainer [2023-11-06 22:53:04,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:04,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:04,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:04,465 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:04,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:03" (1/3) ... [2023-11-06 22:53:04,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7880d415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:04, skipping insertion in model container [2023-11-06 22:53:04,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (2/3) ... [2023-11-06 22:53:04,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7880d415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:04, skipping insertion in model container [2023-11-06 22:53:04,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:04" (3/3) ... [2023-11-06 22:53:04,473 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2023-11-06 22:53:04,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:04,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:04,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:04,550 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;@3213bf6a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:04,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:53:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:53:04,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:04,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:04,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:04,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:04,575 INFO L85 PathProgramCache]: Analyzing trace with hash 270425168, now seen corresponding path program 1 times [2023-11-06 22:53:04,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:04,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816185784] [2023-11-06 22:53:04,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:04,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:04,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:53:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:04,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:04,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816185784] [2023-11-06 22:53:04,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816185784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:04,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:04,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:53:04,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814983185] [2023-11-06 22:53:04,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:04,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:53:04,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:04,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:53:04,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:53:04,823 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:04,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:04,862 INFO L93 Difference]: Finished difference Result 195 states and 266 transitions. [2023-11-06 22:53:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:53:04,864 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-06 22:53:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:04,875 INFO L225 Difference]: With dead ends: 195 [2023-11-06 22:53:04,875 INFO L226 Difference]: Without dead ends: 93 [2023-11-06 22:53:04,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:53:04,890 INFO L413 NwaCegarLoop]: 130 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, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:04,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-06 22:53:04,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-06 22:53:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:53:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2023-11-06 22:53:04,948 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2023-11-06 22:53:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:04,949 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2023-11-06 22:53:04,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2023-11-06 22:53:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:53:04,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:04,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:04,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:53:04,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:04,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:04,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1281530714, now seen corresponding path program 1 times [2023-11-06 22:53:04,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:04,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385339156] [2023-11-06 22:53:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:04,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:53:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:05,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:05,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385339156] [2023-11-06 22:53:05,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385339156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:05,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:05,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:53:05,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498428939] [2023-11-06 22:53:05,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:05,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:53:05,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:05,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:53:05,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:53:05,195 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:05,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:05,217 INFO L93 Difference]: Finished difference Result 151 states and 197 transitions. [2023-11-06 22:53:05,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:53:05,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-06 22:53:05,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:05,220 INFO L225 Difference]: With dead ends: 151 [2023-11-06 22:53:05,220 INFO L226 Difference]: Without dead ends: 84 [2023-11-06 22:53:05,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:53:05,223 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:05,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:05,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-06 22:53:05,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-06 22:53:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:53:05,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2023-11-06 22:53:05,240 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2023-11-06 22:53:05,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:05,240 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2023-11-06 22:53:05,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2023-11-06 22:53:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 22:53:05,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:05,243 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] [2023-11-06 22:53:05,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:53:05,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:05,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:05,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1565936952, now seen corresponding path program 1 times [2023-11-06 22:53:05,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:05,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303884790] [2023-11-06 22:53:05,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:05,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:05,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:05,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:05,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303884790] [2023-11-06 22:53:05,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303884790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:05,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:05,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:53:05,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234594282] [2023-11-06 22:53:05,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:05,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:53:05,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:05,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:53:05,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:53:05,454 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:05,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:05,625 INFO L93 Difference]: Finished difference Result 160 states and 211 transitions. [2023-11-06 22:53:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:53:05,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-06 22:53:05,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:05,628 INFO L225 Difference]: With dead ends: 160 [2023-11-06 22:53:05,628 INFO L226 Difference]: Without dead ends: 84 [2023-11-06 22:53:05,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:53:05,631 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 202 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:05,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 226 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:05,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-06 22:53:05,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-06 22:53:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:53:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2023-11-06 22:53:05,648 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2023-11-06 22:53:05,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:05,648 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2023-11-06 22:53:05,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2023-11-06 22:53:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:53:05,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:05,651 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:05,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:53:05,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:05,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:05,652 INFO L85 PathProgramCache]: Analyzing trace with hash -2059110199, now seen corresponding path program 1 times [2023-11-06 22:53:05,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:05,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67552674] [2023-11-06 22:53:05,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:05,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:05,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:53:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:53:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:53:05,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:05,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67552674] [2023-11-06 22:53:05,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67552674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:05,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:05,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:05,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213887716] [2023-11-06 22:53:05,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:05,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:05,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:05,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:05,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:05,774 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 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 22:53:05,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:05,993 INFO L93 Difference]: Finished difference Result 239 states and 313 transitions. [2023-11-06 22:53:05,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:53:05,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 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 43 [2023-11-06 22:53:05,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:06,001 INFO L225 Difference]: With dead ends: 239 [2023-11-06 22:53:06,002 INFO L226 Difference]: Without dead ends: 163 [2023-11-06 22:53:06,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:06,013 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 166 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:06,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 215 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:53:06,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-11-06 22:53:06,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 157. [2023-11-06 22:53:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 117 states have (on average 1.2991452991452992) internal successors, (152), 125 states have internal predecessors, (152), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2023-11-06 22:53:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 201 transitions. [2023-11-06 22:53:06,072 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 201 transitions. Word has length 43 [2023-11-06 22:53:06,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:06,072 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 201 transitions. [2023-11-06 22:53:06,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 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 22:53:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2023-11-06 22:53:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 22:53:06,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:06,074 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 22:53:06,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:53:06,075 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:06,075 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:06,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1486842068, now seen corresponding path program 1 times [2023-11-06 22:53:06,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:06,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733791035] [2023-11-06 22:53:06,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:06,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:53:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:06,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:06,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733791035] [2023-11-06 22:53:06,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733791035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:06,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:06,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:53:06,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734683821] [2023-11-06 22:53:06,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:06,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:53:06,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:06,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:53:06,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:53:06,237 INFO L87 Difference]: Start difference. First operand 157 states and 201 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:53:06,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:06,448 INFO L93 Difference]: Finished difference Result 314 states and 410 transitions. [2023-11-06 22:53:06,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:06,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2023-11-06 22:53:06,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:06,451 INFO L225 Difference]: With dead ends: 314 [2023-11-06 22:53:06,451 INFO L226 Difference]: Without dead ends: 165 [2023-11-06 22:53:06,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:53:06,453 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 67 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:06,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 423 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:06,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-06 22:53:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 160. [2023-11-06 22:53:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2023-11-06 22:53:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions. [2023-11-06 22:53:06,479 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 49 [2023-11-06 22:53:06,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:06,480 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 204 transitions. [2023-11-06 22:53:06,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:53:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2023-11-06 22:53:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 22:53:06,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:06,482 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 22:53:06,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:53:06,483 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:06,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:06,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1909543894, now seen corresponding path program 1 times [2023-11-06 22:53:06,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:06,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90783920] [2023-11-06 22:53:06,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:06,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:53:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:06,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:06,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90783920] [2023-11-06 22:53:06,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90783920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:06,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:06,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:53:06,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311625019] [2023-11-06 22:53:06,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:06,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:53:06,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:06,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:53:06,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:06,658 INFO L87 Difference]: Start difference. First operand 160 states and 204 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:53:06,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:06,820 INFO L93 Difference]: Finished difference Result 322 states and 424 transitions. [2023-11-06 22:53:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:53:06,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2023-11-06 22:53:06,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:06,826 INFO L225 Difference]: With dead ends: 322 [2023-11-06 22:53:06,826 INFO L226 Difference]: Without dead ends: 170 [2023-11-06 22:53:06,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 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 22:53:06,833 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 71 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:06,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 328 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:06,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-06 22:53:06,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2023-11-06 22:53:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2023-11-06 22:53:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2023-11-06 22:53:06,871 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 49 [2023-11-06 22:53:06,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:06,871 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2023-11-06 22:53:06,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:53:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2023-11-06 22:53:06,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 22:53:06,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:06,879 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 22:53:06,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:53:06,880 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:06,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:06,880 INFO L85 PathProgramCache]: Analyzing trace with hash 104105560, now seen corresponding path program 1 times [2023-11-06 22:53:06,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:06,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111776683] [2023-11-06 22:53:06,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:06,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:53:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:07,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:07,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111776683] [2023-11-06 22:53:07,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111776683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:07,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:07,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:53:07,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137655311] [2023-11-06 22:53:07,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:07,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:53:07,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:07,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:53:07,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:07,061 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:53:07,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:07,353 INFO L93 Difference]: Finished difference Result 451 states and 595 transitions. [2023-11-06 22:53:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:07,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 49 [2023-11-06 22:53:07,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:07,358 INFO L225 Difference]: With dead ends: 451 [2023-11-06 22:53:07,359 INFO L226 Difference]: Without dead ends: 297 [2023-11-06 22:53:07,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 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 22:53:07,362 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 222 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:07,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 333 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:53:07,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-11-06 22:53:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 289. [2023-11-06 22:53:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 216 states have (on average 1.2638888888888888) internal successors, (273), 228 states have internal predecessors, (273), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2023-11-06 22:53:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 371 transitions. [2023-11-06 22:53:07,425 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 371 transitions. Word has length 49 [2023-11-06 22:53:07,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:07,425 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 371 transitions. [2023-11-06 22:53:07,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:53:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 371 transitions. [2023-11-06 22:53:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 22:53:07,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:07,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:07,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:53:07,428 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:07,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:07,429 INFO L85 PathProgramCache]: Analyzing trace with hash 528797415, now seen corresponding path program 1 times [2023-11-06 22:53:07,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:07,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107128737] [2023-11-06 22:53:07,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:07,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-06 22:53:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:07,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:07,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107128737] [2023-11-06 22:53:07,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107128737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:07,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:07,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:53:07,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122673075] [2023-11-06 22:53:07,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:07,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:53:07,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:07,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:53:07,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:53:07,585 INFO L87 Difference]: Start difference. First operand 289 states and 371 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:53:07,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:07,856 INFO L93 Difference]: Finished difference Result 582 states and 757 transitions. [2023-11-06 22:53:07,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:53:07,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2023-11-06 22:53:07,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:07,861 INFO L225 Difference]: With dead ends: 582 [2023-11-06 22:53:07,861 INFO L226 Difference]: Without dead ends: 301 [2023-11-06 22:53:07,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 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 22:53:07,863 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 147 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:07,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 360 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:53:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-06 22:53:07,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 285. [2023-11-06 22:53:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.2311320754716981) internal successors, (261), 224 states have internal predecessors, (261), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2023-11-06 22:53:07,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 359 transitions. [2023-11-06 22:53:07,913 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 359 transitions. Word has length 51 [2023-11-06 22:53:07,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:07,913 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 359 transitions. [2023-11-06 22:53:07,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:53:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 359 transitions. [2023-11-06 22:53:07,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 22:53:07,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:07,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:07,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:53:07,915 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:07,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:07,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1943832958, now seen corresponding path program 1 times [2023-11-06 22:53:07,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:07,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897671262] [2023-11-06 22:53:07,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:07,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:53:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:53:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:53:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:08,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:08,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897671262] [2023-11-06 22:53:08,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897671262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:08,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:08,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:53:08,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244481885] [2023-11-06 22:53:08,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:08,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:53:08,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:08,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:53:08,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:08,009 INFO L87 Difference]: Start difference. First operand 285 states and 359 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:53:08,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:08,434 INFO L93 Difference]: Finished difference Result 587 states and 785 transitions. [2023-11-06 22:53:08,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:53:08,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2023-11-06 22:53:08,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:08,439 INFO L225 Difference]: With dead ends: 587 [2023-11-06 22:53:08,439 INFO L226 Difference]: Without dead ends: 585 [2023-11-06 22:53:08,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 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 22:53:08,440 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 328 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:08,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 207 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:53:08,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2023-11-06 22:53:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 521. [2023-11-06 22:53:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 386 states have (on average 1.238341968911917) internal successors, (478), 413 states have internal predecessors, (478), 70 states have call successors, (70), 51 states have call predecessors, (70), 64 states have return successors, (156), 70 states have call predecessors, (156), 70 states have call successors, (156) [2023-11-06 22:53:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 704 transitions. [2023-11-06 22:53:08,520 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 704 transitions. Word has length 53 [2023-11-06 22:53:08,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:08,521 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 704 transitions. [2023-11-06 22:53:08,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:53:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 704 transitions. [2023-11-06 22:53:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:53:08,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:08,524 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, 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 22:53:08,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:53:08,525 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:08,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:08,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1822040872, now seen corresponding path program 1 times [2023-11-06 22:53:08,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:08,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803322318] [2023-11-06 22:53:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:08,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:53:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:53:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:53:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-06 22:53:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-06 22:53:08,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:08,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803322318] [2023-11-06 22:53:08,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803322318] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:08,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655881409] [2023-11-06 22:53:08,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:08,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:08,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:08,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:08,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:53:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:53:08,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:08,954 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:08,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655881409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:08,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:53:08,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2023-11-06 22:53:08,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808473121] [2023-11-06 22:53:08,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:08,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:53:08,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:08,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:53:08,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:53:08,957 INFO L87 Difference]: Start difference. First operand 521 states and 704 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-06 22:53:09,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:09,044 INFO L93 Difference]: Finished difference Result 886 states and 1228 transitions. [2023-11-06 22:53:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:53:09,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 96 [2023-11-06 22:53:09,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:09,048 INFO L225 Difference]: With dead ends: 886 [2023-11-06 22:53:09,048 INFO L226 Difference]: Without dead ends: 426 [2023-11-06 22:53:09,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:53:09,052 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 51 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:09,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 219 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:09,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-11-06 22:53:09,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2023-11-06 22:53:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 315 states have (on average 1.2158730158730158) internal successors, (383), 338 states have internal predecessors, (383), 58 states have call successors, (58), 44 states have call predecessors, (58), 52 states have return successors, (90), 57 states have call predecessors, (90), 58 states have call successors, (90) [2023-11-06 22:53:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 531 transitions. [2023-11-06 22:53:09,114 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 531 transitions. Word has length 96 [2023-11-06 22:53:09,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:09,115 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 531 transitions. [2023-11-06 22:53:09,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-06 22:53:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 531 transitions. [2023-11-06 22:53:09,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-06 22:53:09,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:09,118 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:09,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:09,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:09,331 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:09,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:09,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1708523928, now seen corresponding path program 1 times [2023-11-06 22:53:09,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:09,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145755840] [2023-11-06 22:53:09,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:09,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:53:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:53:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:53:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 22:53:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:53:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-06 22:53:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:53:09,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:09,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145755840] [2023-11-06 22:53:09,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145755840] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:09,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096723239] [2023-11-06 22:53:09,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:09,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:09,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:09,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:09,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:53:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:09,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:53:09,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:09,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:53:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:53:10,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096723239] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:53:10,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:53:10,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 7] total 18 [2023-11-06 22:53:10,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867932522] [2023-11-06 22:53:10,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:53:10,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:53:10,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:10,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:53:10,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:53:10,238 INFO L87 Difference]: Start difference. First operand 426 states and 531 transitions. Second operand has 18 states, 18 states have (on average 9.166666666666666) internal successors, (165), 14 states have internal predecessors, (165), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2023-11-06 22:53:15,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:15,101 INFO L93 Difference]: Finished difference Result 2067 states and 2824 transitions. [2023-11-06 22:53:15,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-11-06 22:53:15,102 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.166666666666666) internal successors, (165), 14 states have internal predecessors, (165), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) Word has length 106 [2023-11-06 22:53:15,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:15,141 INFO L225 Difference]: With dead ends: 2067 [2023-11-06 22:53:15,143 INFO L226 Difference]: Without dead ends: 1649 [2023-11-06 22:53:15,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 255 SyntacticMatches, 2 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7040 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1748, Invalid=16612, Unknown=0, NotChecked=0, Total=18360 [2023-11-06 22:53:15,156 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 1406 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 3208 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 3208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:15,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1413 Valid, 1866 Invalid, 3835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [627 Valid, 3208 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 22:53:15,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2023-11-06 22:53:15,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1380. [2023-11-06 22:53:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1009 states have (on average 1.1506442021803767) internal successors, (1161), 1074 states have internal predecessors, (1161), 192 states have call successors, (192), 149 states have call predecessors, (192), 178 states have return successors, (311), 190 states have call predecessors, (311), 192 states have call successors, (311) [2023-11-06 22:53:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1664 transitions. [2023-11-06 22:53:15,340 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1664 transitions. Word has length 106 [2023-11-06 22:53:15,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:15,340 INFO L495 AbstractCegarLoop]: Abstraction has 1380 states and 1664 transitions. [2023-11-06 22:53:15,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.166666666666666) internal successors, (165), 14 states have internal predecessors, (165), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2023-11-06 22:53:15,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1664 transitions. [2023-11-06 22:53:15,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 22:53:15,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:15,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:15,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:15,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:15,551 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:15,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:15,552 INFO L85 PathProgramCache]: Analyzing trace with hash -2037149614, now seen corresponding path program 1 times [2023-11-06 22:53:15,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:15,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322389174] [2023-11-06 22:53:15,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:15,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:53:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:53:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:53:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:53:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:53:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:53:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:53:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:53:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-06 22:53:15,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:15,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322389174] [2023-11-06 22:53:15,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322389174] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:15,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001379458] [2023-11-06 22:53:15,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:15,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:15,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:15,858 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:15,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:53:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:53:15,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 22:53:16,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:16,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001379458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:16,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:53:16,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2023-11-06 22:53:16,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452201642] [2023-11-06 22:53:16,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:16,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:53:16,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:16,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:53:16,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:53:16,151 INFO L87 Difference]: Start difference. First operand 1380 states and 1664 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:53:16,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:16,411 INFO L93 Difference]: Finished difference Result 2272 states and 2743 transitions. [2023-11-06 22:53:16,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:16,411 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110 [2023-11-06 22:53:16,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:16,413 INFO L225 Difference]: With dead ends: 2272 [2023-11-06 22:53:16,413 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:53:16,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:53:16,419 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 36 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:16,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 858 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:16,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:53:16,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:53:16,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:53:16,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2023-11-06 22:53:16,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:16,421 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:53:16,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:53:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:53:16,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:53:16,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:53:16,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:16,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:53:16,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:53:25,611 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2023-11-06 22:53:25,612 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 624 631) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 (< ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2023-11-06 22:53:25,612 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 624 631) no Hoare annotation was computed. [2023-11-06 22:53:25,612 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 531 537) no Hoare annotation was computed. [2023-11-06 22:53:25,613 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 531 537) the Hoare annotation is: true [2023-11-06 22:53:25,613 INFO L899 garLoopResultBuilder]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2023-11-06 22:53:25,613 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 893 904) 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 22:53:25,613 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 893 904) no Hoare annotation was computed. [2023-11-06 22:53:25,613 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 905 913) the Hoare annotation is: true [2023-11-06 22:53:25,613 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 905 913) no Hoare annotation was computed. [2023-11-06 22:53:25,614 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 905 913) no Hoare annotation was computed. [2023-11-06 22:53:25,614 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 767 796) no Hoare annotation was computed. [2023-11-06 22:53:25,614 INFO L902 garLoopResultBuilder]: At program point L792(lines 767 796) the Hoare annotation is: true [2023-11-06 22:53:25,614 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2023-11-06 22:53:25,614 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2023-11-06 22:53:25,614 INFO L902 garLoopResultBuilder]: At program point L781-1(lines 781 785) the Hoare annotation is: true [2023-11-06 22:53:25,614 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2023-11-06 22:53:25,614 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 767 796) the Hoare annotation is: true [2023-11-06 22:53:25,615 INFO L902 garLoopResultBuilder]: At program point L777-2(lines 777 791) the Hoare annotation is: true [2023-11-06 22:53:25,615 INFO L902 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: true [2023-11-06 22:53:25,615 INFO L899 garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed. [2023-11-06 22:53:25,615 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (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 .cse1 .cse4 (not (= |old(~waterLevel~0)| 0)) .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= ~waterLevel~0 0))) (or .cse1 .cse5 .cse4 (<= 1 ~waterLevel~0) .cse2) (or .cse6 .cse0 .cse1 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse0 .cse1 .cse3))) [2023-11-06 22:53:25,616 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse4 (not (= |old(~waterLevel~0)| 0))) (.cse5 (= ~waterLevel~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse12 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse7 (<= 1 ~waterLevel~0)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse5)) (or .cse1 .cse6 .cse2 .cse7 .cse3) (or .cse8 .cse1 .cse4 .cse3 .cse5 .cse9) (or .cse10 .cse8 .cse1 .cse2) (or .cse8 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0) .cse11 .cse12) .cse3 .cse9) (or .cse1 .cse6 .cse3 (and .cse0 .cse11 .cse12 .cse7) .cse9) (or .cse10 .cse8 .cse1 .cse9))) [2023-11-06 22:53:25,616 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 507 530) no Hoare annotation was computed. [2023-11-06 22:53:25,616 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (<= 1 ~waterLevel~0)) (.cse6 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse10 (not (= |old(~waterLevel~0)| 0))) (.cse11 (= ~waterLevel~0 0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse7)) (.cse13 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse17)) (.cse14 (and .cse16 .cse17 .cse15)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (and .cse5 .cse6 .cse7 .cse3) .cse4 .cse8) (or .cse9 .cse0 .cse10 .cse4 .cse11 .cse8) (or .cse12 .cse9 .cse0 .cse13 .cse14 .cse8) (or (and .cse5 .cse6 .cse7) .cse9 .cse0 .cse4 .cse8) (or .cse0 .cse2 .cse10 .cse4 (and .cse5 .cse7 .cse11) (and .cse15 .cse11)) (or .cse16 .cse0 .cse2 .cse4 (and .cse5 .cse7)) (or .cse12 .cse9 .cse0 .cse13 .cse14 .cse2)))) [2023-11-06 22:53:25,616 INFO L899 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2023-11-06 22:53:25,617 INFO L895 garLoopResultBuilder]: At program point L610(line 610) 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 22:53:25,617 INFO L895 garLoopResultBuilder]: At program point L610-1(lines 591 615) the Hoare annotation is: (let ((.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= 1 ~systemActive~0))) (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (<= 1 ~waterLevel~0)) (.cse6 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse11 (not (= |old(~waterLevel~0)| 0))) (.cse12 (= ~waterLevel~0 0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse8)) (.cse14 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse18)) (.cse15 (and .cse17 .cse18 .cse16)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (and .cse5 .cse6 .cse7 .cse8 .cse3) .cse4 .cse9) (or .cse10 .cse0 .cse11 .cse4 .cse12 .cse9) (or .cse13 .cse10 .cse0 .cse14 .cse15 .cse9) (or .cse10 .cse0 (and .cse5 .cse6 .cse7 .cse8) .cse4 .cse9) (or .cse0 .cse2 .cse11 .cse4 (and .cse5 .cse8 .cse12) (and .cse16 .cse12)) (or .cse17 .cse0 .cse2 .cse4 (and .cse5 .cse8)) (or .cse13 .cse10 .cse0 .cse14 .cse15 .cse2)))) [2023-11-06 22:53:25,617 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 510 529) no Hoare annotation was computed. [2023-11-06 22:53:25,617 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 607) no Hoare annotation was computed. [2023-11-06 22:53:25,617 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 22:53:25,618 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 612) no Hoare annotation was computed. [2023-11-06 22:53:25,618 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 758) no Hoare annotation was computed. [2023-11-06 22:53:25,618 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 22:53:25,618 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 507 530) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (and .cse0 .cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse10 (and (= ~pumpRunning~0 0) .cse1 .cse2)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse4 .cse7 .cse8 .cse5) (or .cse4 (< |old(~waterLevel~0)| 2) .cse7 .cse5 .cse6) (or .cse9 .cse3 .cse4 .cse10 .cse6) (or .cse9 .cse3 .cse4 .cse10 .cse8)))) [2023-11-06 22:53:25,618 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 761) no Hoare annotation was computed. [2023-11-06 22:53:25,619 INFO L895 garLoopResultBuilder]: At program point L744-1(lines 736 764) the Hoare annotation is: (let ((.cse11 (= 1 ~systemActive~0)) (.cse12 (= |old(~pumpRunning~0)| 0))) (let ((.cse6 (not (= |old(~waterLevel~0)| 0))) (.cse7 (= ~waterLevel~0 0)) (.cse19 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse3 (<= 1 ~waterLevel~0)) (.cse13 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| ~methaneLevelCritical~0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse15 (not .cse12)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse11)) (.cse16 (<= 1 ~pumpRunning~0)) (.cse17 (<= 2 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0)) (.cse18 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse4 .cse7 .cse8) (or (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) .cse15 .cse5 .cse0 (and .cse16 .cse17 .cse13 .cse14) .cse8) (or (and .cse9 .cse10 .cse11 .cse18) .cse0 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 .cse18) .cse4) (or .cse0 .cse2 .cse6 .cse4 .cse7) (or .cse5 .cse0 .cse4 (and .cse9 .cse10 .cse19 .cse11 .cse13) .cse8) (or .cse0 (and .cse9 .cse10 .cse19 .cse11 .cse3 .cse13) .cse1 .cse4 .cse8) (or .cse15 .cse5 .cse0 (and .cse16 .cse10 .cse17 .cse18 .cse14) (and .cse9 .cse10 .cse11 .cse12 .cse18 .cse14) .cse2)))) [2023-11-06 22:53:25,619 INFO L895 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: (let ((.cse6 (< |old(~waterLevel~0)| 2)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 0))) (.cse5 (= ~waterLevel~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse5)) (or .cse1 .cse6 .cse2 .cse7 .cse3) (or .cse1 .cse6 (and .cse0 .cse7) .cse3 .cse8) (or .cse9 .cse1 .cse4 .cse3 .cse5 .cse8) (or .cse10 .cse9 .cse1 .cse2) (or .cse9 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0)) .cse3 .cse8) (or .cse10 .cse9 .cse1 .cse8))) [2023-11-06 22:53:25,619 INFO L899 garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed. [2023-11-06 22:53:25,620 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 755) no Hoare annotation was computed. [2023-11-06 22:53:25,620 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 507 530) no Hoare annotation was computed. [2023-11-06 22:53:25,620 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 632 642) the Hoare annotation is: (let ((.cse4 (not (= |old(~waterLevel~0)| 0))) (.cse5 (= ~waterLevel~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse7 (<= 1 ~waterLevel~0)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse5)) (or .cse1 .cse6 .cse2 .cse7 .cse3) (or .cse8 .cse1 .cse4 .cse3 .cse5 .cse9) (or .cse8 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0) .cse10) .cse3 .cse9) (or .cse11 .cse8 .cse1 .cse2) (or (and .cse0 .cse10 .cse7) .cse1 .cse6 .cse3 .cse9) (or .cse11 .cse8 .cse1 .cse9))) [2023-11-06 22:53:25,620 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed. [2023-11-06 22:53:25,621 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 643 651) the Hoare annotation is: (let ((.cse10 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse10)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse5 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| ~methaneLevelCritical~0)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (< ~methaneLevelCritical~0 1))) (and (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse5 .cse6) .cse7)) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 0)) .cse8 (= ~waterLevel~0 0) .cse7) (or (and .cse3 .cse9 .cse4 .cse10 (<= 1 ~waterLevel~0) .cse5) .cse2 (< |old(~waterLevel~0)| 2) .cse8 .cse7) (or .cse2 .cse11 .cse8) (or .cse0 .cse1 .cse2 .cse11) (or .cse1 .cse2 (and .cse3 .cse9 .cse4 .cse10 .cse5) .cse8 .cse7)))) [2023-11-06 22:53:25,621 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-06 22:53:25,621 INFO L895 garLoopResultBuilder]: At program point L873-2(lines 869 880) the Hoare annotation is: (let ((.cse6 (< |old(~waterLevel~0)| 2)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 0))) (.cse5 (= ~waterLevel~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse5)) (or .cse1 .cse6 .cse2 .cse7 .cse3) (or .cse1 .cse6 (and .cse0 .cse7) .cse3 .cse8) (or .cse9 .cse1 .cse4 .cse3 .cse5 .cse8) (or .cse10 .cse9 .cse1 .cse2) (or .cse9 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0)) .cse3 .cse8) (or .cse10 .cse9 .cse1 .cse8))) [2023-11-06 22:53:25,621 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2023-11-06 22:53:25,621 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-11-06 22:53:25,622 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 99) no Hoare annotation was computed. [2023-11-06 22:53:25,622 INFO L902 garLoopResultBuilder]: At program point L122(lines 63 126) the Hoare annotation is: true [2023-11-06 22:53:25,622 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6))) [2023-11-06 22:53:25,622 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 828 838) the Hoare annotation is: true [2023-11-06 22:53:25,622 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 981 987) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:53:25,623 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 842 864) the Hoare annotation is: true [2023-11-06 22:53:25,623 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:53:25,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:53:25,623 INFO L895 garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: false [2023-11-06 22:53:25,623 INFO L899 garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed. [2023-11-06 22:53:25,623 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 821 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1)) [2023-11-06 22:53:25,623 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 114) no Hoare annotation was computed. [2023-11-06 22:53:25,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:53:25,624 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6))) [2023-11-06 22:53:25,624 INFO L895 garLoopResultBuilder]: At program point L116(lines 73 118) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6))) [2023-11-06 22:53:25,624 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2023-11-06 22:53:25,624 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2023-11-06 22:53:25,625 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2023-11-06 22:53:25,625 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:53:25,625 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 988 994) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:53:25,625 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 728 735) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1)) [2023-11-06 22:53:25,625 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 859) no Hoare annotation was computed. [2023-11-06 22:53:25,625 INFO L899 garLoopResultBuilder]: For program point L852-2(lines 852 859) no Hoare annotation was computed. [2023-11-06 22:53:25,625 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2023-11-06 22:53:25,626 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 995 1003) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:53:25,626 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 103 114) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6))) [2023-11-06 22:53:25,626 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 560) no Hoare annotation was computed. [2023-11-06 22:53:25,626 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 616 623) 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 22:53:25,626 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 956) no Hoare annotation was computed. [2023-11-06 22:53:25,627 INFO L895 garLoopResultBuilder]: At program point L558(line 558) 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 22:53:25,627 INFO L899 garLoopResultBuilder]: For program point L558-1(lines 539 563) no Hoare annotation was computed. [2023-11-06 22:53:25,627 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 539 563) 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 22:53:25,627 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 946 959) 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 22:53:25,628 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 688 706) 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 22:53:25,628 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 539 563) no Hoare annotation was computed. [2023-11-06 22:53:25,628 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2023-11-06 22:53:25,628 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2023-11-06 22:53:25,628 INFO L895 garLoopResultBuilder]: At program point L553(line 553) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse5)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0) .cse5)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse3 .cse4 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse0 .cse1 .cse3 .cse4)))) [2023-11-06 22:53:25,628 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 555) no Hoare annotation was computed. [2023-11-06 22:53:25,629 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 881 892) no Hoare annotation was computed. [2023-11-06 22:53:25,629 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 881 892) 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 22:53:25,629 INFO L899 garLoopResultBuilder]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2023-11-06 22:53:25,629 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 960 968) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:25,629 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 565 589) 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 22:53:25,630 INFO L895 garLoopResultBuilder]: At program point L579(line 579) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:25,630 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:25,630 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 707 725) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1) (let ((.cse2 (= ~waterLevel~0 0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) .cse2) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~8#1| 0) .cse2)))) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:25,630 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 565 589) no Hoare annotation was computed. [2023-11-06 22:53:25,631 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 581) no Hoare annotation was computed. [2023-11-06 22:53:25,631 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 586) no Hoare annotation was computed. [2023-11-06 22:53:25,631 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2023-11-06 22:53:25,631 INFO L899 garLoopResultBuilder]: For program point L716-2(lines 716 720) no Hoare annotation was computed. [2023-11-06 22:53:25,631 INFO L895 garLoopResultBuilder]: At program point L584(line 584) 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 .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:25,631 INFO L899 garLoopResultBuilder]: For program point L584-1(lines 565 589) no Hoare annotation was computed. [2023-11-06 22:53:25,635 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:25,638 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:53:25,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:53:25 BoogieIcfgContainer [2023-11-06 22:53:25,701 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:53:25,702 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:53:25,702 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:53:25,702 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:53:25,703 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:04" (3/4) ... [2023-11-06 22:53:25,705 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:53:25,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 22:53:25,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:53:25,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:53:25,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:53:25,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:53:25,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:53:25,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:53:25,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:53:25,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:53:25,729 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:53:25,730 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:53:25,730 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:53:25,731 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:53:25,732 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:53:25,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 22:53:25,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) && (tmp == 1)) [2023-11-06 22:53:25,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) && (tmp == 1)) [2023-11-06 22:53:25,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) [2023-11-06 22:53:25,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (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 22:53:25,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (methaneLevelCritical < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 0))) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || ((pumpRunning == 0) && (1 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((methaneLevelCritical == 0)))) [2023-11-06 22:53:25,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (tmp == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive)) && (1 <= waterLevel)) && (tmp == methaneLevelCritical))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) [2023-11-06 22:53:25,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 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)))) && (((((((pumpRunning == \old(pumpRunning)) && (1 <= \result)) && (1 <= waterLevel)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:25,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 == systemActive)) && (1 <= waterLevel)) && (tmp == methaneLevelCritical)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 == systemActive)) && (tmp == methaneLevelCritical))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) [2023-11-06 22:53:25,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0))) && (((((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:25,772 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 22:53:25,772 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 22:53:25,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) && ((tmp == 0) || (waterLevel == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:25,773 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 22:53:25,773 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 22:53:25,812 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 22:53:25,812 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) && (tmp == 1)) [2023-11-06 22:53:25,812 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) && (tmp == 1)) [2023-11-06 22:53:25,813 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) [2023-11-06 22:53:25,813 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (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 22:53:25,814 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (methaneLevelCritical < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 0))) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || ((pumpRunning == 0) && (1 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((methaneLevelCritical == 0)))) [2023-11-06 22:53:25,814 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (tmp == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive)) && (1 <= waterLevel)) && (tmp == methaneLevelCritical))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) [2023-11-06 22:53:25,815 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 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)))) && (((((((pumpRunning == \old(pumpRunning)) && (1 <= \result)) && (1 <= waterLevel)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:25,815 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 == systemActive)) && (1 <= waterLevel)) && (tmp == methaneLevelCritical)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 == systemActive)) && (tmp == methaneLevelCritical))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) [2023-11-06 22:53:25,815 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0))) && (((((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:25,815 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 22:53:25,816 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 22:53:25,816 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) && ((tmp == 0) || (waterLevel == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:25,816 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 22:53:25,816 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 22:53:25,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:53:25,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:53:25,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:53:25,833 INFO L158 Benchmark]: Toolchain (without parser) took 22607.71ms. Allocated memory was 165.7MB in the beginning and 362.8MB in the end (delta: 197.1MB). Free memory was 133.9MB in the beginning and 275.0MB in the end (delta: -141.0MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-11-06 22:53:25,833 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:25,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.18ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 114.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:53:25,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.35ms. Allocated memory is still 165.7MB. Free memory was 114.1MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:25,835 INFO L158 Benchmark]: Boogie Preprocessor took 57.33ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 110.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:25,835 INFO L158 Benchmark]: RCFGBuilder took 533.50ms. Allocated memory is still 165.7MB. Free memory was 110.4MB in the beginning and 92.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:53:25,835 INFO L158 Benchmark]: TraceAbstraction took 21240.45ms. Allocated memory was 165.7MB in the beginning and 362.8MB in the end (delta: 197.1MB). Free memory was 92.0MB in the beginning and 283.4MB in the end (delta: -191.4MB). Peak memory consumption was 175.6MB. Max. memory is 16.1GB. [2023-11-06 22:53:25,836 INFO L158 Benchmark]: Witness Printer took 130.68ms. Allocated memory is still 362.8MB. Free memory was 283.4MB in the beginning and 275.0MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:53:25,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.18ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 114.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.35ms. Allocated memory is still 165.7MB. Free memory was 114.1MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.33ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 110.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.50ms. Allocated memory is still 165.7MB. Free memory was 110.4MB in the beginning and 92.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21240.45ms. Allocated memory was 165.7MB in the beginning and 362.8MB in the end (delta: 197.1MB). Free memory was 92.0MB in the beginning and 283.4MB in the end (delta: -191.4MB). Peak memory consumption was 175.6MB. Max. memory is 16.1GB. * Witness Printer took 130.68ms. Allocated memory is still 362.8MB. Free memory was 283.4MB in the beginning and 275.0MB in the end (delta: 8.4MB). 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,"scenario.i","") [58] - GenericResultAtLocation [Line: 127]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [127] - GenericResultAtLocation [Line: 493]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [493] - GenericResultAtLocation [Line: 726]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [726] - GenericResultAtLocation [Line: 765]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [765] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [865] - GenericResultAtLocation [Line: 969]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [969] * 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 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.1s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2748 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2708 mSDsluCounter, 5365 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3872 mSDsCounter, 977 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4176 IncrementalHoareTripleChecker+Invalid, 5153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 977 mSolverCounterUnsat, 1493 mSDtfsCounter, 4176 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 773 GetRequests, 565 SyntacticMatches, 3 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7100 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1380occurred in iteration=11, InterpolantAutomatonStates: 186, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 376 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 2015 PreInvPairs, 2346 NumberOfFragments, 3351 HoareAnnotationTreeSize, 2015 FomulaSimplifications, 3858 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 47 FomulaSimplificationsInter, 21824 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 999 NumberOfCodeBlocks, 999 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1089 ConstructedInterpolants, 0 QuantifiedInterpolants, 1994 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1059 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 248/268 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: 821]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) && (tmp == 1)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0))) && (((((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) && ((tmp == 0) || (waterLevel == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) && (tmp == 1)) - 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: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (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: 616]: 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: 995]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 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)))) && (((((((pumpRunning == \old(pumpRunning)) && (1 <= \result)) && (1 <= waterLevel)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: (((((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (methaneLevelCritical < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 0))) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || ((pumpRunning == 0) && (1 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (((((((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (tmp == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1))) && ((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && ((((!((1 == systemActive)) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive)) && (1 <= waterLevel)) && (tmp == methaneLevelCritical))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: ((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == methaneLevelCritical)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 == systemActive)) && (1 <= waterLevel)) && (tmp == methaneLevelCritical)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 == systemActive)) && (tmp == methaneLevelCritical))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) - InvariantResult [Line: 946]: 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: 688]: 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: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:53:25,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348e8690-e254-4c12-b87e-30b2aa53fc2b/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