./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.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_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/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_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/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_e9698b51-29c6-4a0d-8da2-0c6cc461406b/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 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:14:26,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:14:26,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:14:26,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:14:26,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:14:26,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:14:26,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:14:26,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:14:26,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:14:26,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:14:26,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:14:26,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:14:26,236 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:14:26,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:14:26,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:14:26,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:14:26,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:14:26,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:14:26,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:14:26,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:14:26,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:14:26,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:14:26,242 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:14:26,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:14:26,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:14:26,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:14:26,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:14:26,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:14:26,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:26,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:14:26,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:14:26,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:14:26,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:14:26,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:14:26,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:14:26,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:14:26,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:14:26,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:14:26,249 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:14:26,249 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_e9698b51-29c6-4a0d-8da2-0c6cc461406b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e [2023-11-06 21:14:26,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:14:26,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:14:26,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:14:26,646 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:14:26,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:14:26,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2023-11-06 21:14:29,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:14:30,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:14:30,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2023-11-06 21:14:30,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/data/33a41dd34/00fb3797c7984e8c999a4b93bca84212/FLAG4d53ad489 [2023-11-06 21:14:30,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/data/33a41dd34/00fb3797c7984e8c999a4b93bca84212 [2023-11-06 21:14:30,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:14:30,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:14:30,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:30,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:14:30,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:14:30,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3a87e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30, skipping insertion in model container [2023-11-06 21:14:30,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,230 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:14:30,565 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_e9698b51-29c6-4a0d-8da2-0c6cc461406b/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2023-11-06 21:14:30,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:30,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:14:30,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2023-11-06 21:14:30,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [87] [2023-11-06 21:14:30,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [125] [2023-11-06 21:14:30,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [491] [2023-11-06 21:14:30,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2023-11-06 21:14:30,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [689] [2023-11-06 21:14:30,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [895] [2023-11-06 21:14:30,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [962] [2023-11-06 21:14:30,723 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_e9698b51-29c6-4a0d-8da2-0c6cc461406b/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2023-11-06 21:14:30,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:30,744 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:14:30,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30 WrapperNode [2023-11-06 21:14:30,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:30,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:30,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:14:30,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:14:30,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,796 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200 [2023-11-06 21:14:30,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:30,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:14:30,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:14:30,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:14:30,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:14:30,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:14:30,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:14:30,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:14:30,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (1/1) ... [2023-11-06 21:14:30,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:30,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:30,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:30,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:14:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:14:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 21:14:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 21:14:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 21:14:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 21:14:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 21:14:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 21:14:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 21:14:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 21:14:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 21:14:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 21:14:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-06 21:14:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-06 21:14:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-06 21:14:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-06 21:14:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:14:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 21:14:30,928 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 21:14:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:14:30,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:14:31,023 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:14:31,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:14:31,340 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:14:31,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:14:31,349 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 21:14:31,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:31 BoogieIcfgContainer [2023-11-06 21:14:31,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:14:31,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:14:31,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:14:31,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:14:31,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:14:30" (1/3) ... [2023-11-06 21:14:31,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28256292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:31, skipping insertion in model container [2023-11-06 21:14:31,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:30" (2/3) ... [2023-11-06 21:14:31,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28256292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:31, skipping insertion in model container [2023-11-06 21:14:31,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:31" (3/3) ... [2023-11-06 21:14:31,362 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2023-11-06 21:14:31,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:14:31,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:14:31,439 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:14:31,447 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;@69caf391, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:14:31,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:14:31,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 21:14:31,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 21:14:31,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:31,463 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 21:14:31,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:31,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:31,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1887688965, now seen corresponding path program 1 times [2023-11-06 21:14:31,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:31,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333932040] [2023-11-06 21:14:31,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:31,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:31,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:14:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:31,683 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 21:14:31,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:31,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333932040] [2023-11-06 21:14:31,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333932040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:31,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:31,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:31,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169005049] [2023-11-06 21:14:31,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:31,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:14:31,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:31,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:14:31,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:14:31,747 INFO L87 Difference]: Start difference. First operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 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 21:14:31,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:31,815 INFO L93 Difference]: Finished difference Result 184 states and 249 transitions. [2023-11-06 21:14:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:14:31,817 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 21:14:31,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:31,826 INFO L225 Difference]: With dead ends: 184 [2023-11-06 21:14:31,826 INFO L226 Difference]: Without dead ends: 87 [2023-11-06 21:14:31,831 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 21:14:31,837 INFO L413 NwaCegarLoop]: 121 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, 121 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 21:14:31,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:31,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-06 21:14:31,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-06 21:14:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 21:14:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2023-11-06 21:14:31,908 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2023-11-06 21:14:31,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:31,910 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2023-11-06 21:14:31,910 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 21:14:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2023-11-06 21:14:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 21:14:31,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:31,916 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 21:14:31,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:14:31,918 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:31,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:31,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2062523597, now seen corresponding path program 1 times [2023-11-06 21:14:31,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:31,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914765173] [2023-11-06 21:14:31,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:31,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 21:14:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:32,095 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 21:14:32,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:32,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914765173] [2023-11-06 21:14:32,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914765173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:32,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:32,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:14:32,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28563568] [2023-11-06 21:14:32,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:32,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:14:32,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:32,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:14:32,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:32,103 INFO L87 Difference]: Start difference. First operand 87 states and 112 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 21:14:32,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:32,121 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2023-11-06 21:14:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:14:32,122 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 21:14:32,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:32,124 INFO L225 Difference]: With dead ends: 139 [2023-11-06 21:14:32,124 INFO L226 Difference]: Without dead ends: 78 [2023-11-06 21:14:32,125 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 21:14:32,130 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 181 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 21:14:32,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:32,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-06 21:14:32,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-06 21:14:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 21:14:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2023-11-06 21:14:32,148 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2023-11-06 21:14:32,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:32,149 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2023-11-06 21:14:32,150 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 21:14:32,150 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2023-11-06 21:14:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 21:14:32,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:32,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:32,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:14:32,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:32,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:32,158 INFO L85 PathProgramCache]: Analyzing trace with hash -89675643, now seen corresponding path program 1 times [2023-11-06 21:14:32,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:32,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863338370] [2023-11-06 21:14:32,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:32,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 21:14:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:32,420 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 21:14:32,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:32,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863338370] [2023-11-06 21:14:32,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863338370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:32,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:32,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:14:32,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706765074] [2023-11-06 21:14:32,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:32,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:14:32,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:32,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:14:32,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:14:32,424 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 21:14:32,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:32,650 INFO L93 Difference]: Finished difference Result 149 states and 194 transitions. [2023-11-06 21:14:32,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:14:32,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-06 21:14:32,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:32,653 INFO L225 Difference]: With dead ends: 149 [2023-11-06 21:14:32,654 INFO L226 Difference]: Without dead ends: 78 [2023-11-06 21:14:32,656 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 21:14:32,658 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 123 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:32,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 207 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:14:32,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-06 21:14:32,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-06 21:14:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 21:14:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2023-11-06 21:14:32,686 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 31 [2023-11-06 21:14:32,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:32,687 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2023-11-06 21:14:32,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 21:14:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2023-11-06 21:14:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 21:14:32,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:32,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:32,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:14:32,694 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:32,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:32,695 INFO L85 PathProgramCache]: Analyzing trace with hash -106405387, now seen corresponding path program 1 times [2023-11-06 21:14:32,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:32,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097949410] [2023-11-06 21:14:32,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 21:14:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:14:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:32,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 21:14:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:32,946 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 21:14:32,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:32,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097949410] [2023-11-06 21:14:32,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097949410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:32,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:32,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:14:32,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393173471] [2023-11-06 21:14:32,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:32,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:14:32,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:32,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:14:32,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:14:32,952 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 21:14:33,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:33,247 INFO L93 Difference]: Finished difference Result 233 states and 295 transitions. [2023-11-06 21:14:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:14:33,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2023-11-06 21:14:33,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:33,254 INFO L225 Difference]: With dead ends: 233 [2023-11-06 21:14:33,254 INFO L226 Difference]: Without dead ends: 162 [2023-11-06 21:14:33,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:14:33,263 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 187 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:33,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 289 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:14:33,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-06 21:14:33,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2023-11-06 21:14:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 119 states have (on average 1.2605042016806722) internal successors, (150), 127 states have internal predecessors, (150), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2023-11-06 21:14:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 191 transitions. [2023-11-06 21:14:33,297 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 191 transitions. Word has length 41 [2023-11-06 21:14:33,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:33,298 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 191 transitions. [2023-11-06 21:14:33,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 21:14:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2023-11-06 21:14:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 21:14:33,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:33,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:33,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:14:33,301 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:33,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:33,301 INFO L85 PathProgramCache]: Analyzing trace with hash -822814067, now seen corresponding path program 1 times [2023-11-06 21:14:33,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:33,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986634636] [2023-11-06 21:14:33,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:33,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 21:14:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:14:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:33,437 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 21:14:33,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:33,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986634636] [2023-11-06 21:14:33,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986634636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:33,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:33,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:14:33,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796816551] [2023-11-06 21:14:33,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:33,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:14:33,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:33,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:14:33,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:14:33,442 INFO L87 Difference]: Start difference. First operand 156 states and 191 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 21:14:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:33,729 INFO L93 Difference]: Finished difference Result 405 states and 515 transitions. [2023-11-06 21:14:33,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 21:14:33,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2023-11-06 21:14:33,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:33,733 INFO L225 Difference]: With dead ends: 405 [2023-11-06 21:14:33,733 INFO L226 Difference]: Without dead ends: 256 [2023-11-06 21:14:33,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 21:14:33,735 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 139 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:33,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 344 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:14:33,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-06 21:14:33,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 248. [2023-11-06 21:14:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 189 states have (on average 1.2486772486772486) internal successors, (236), 200 states have internal predecessors, (236), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2023-11-06 21:14:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 306 transitions. [2023-11-06 21:14:33,827 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 306 transitions. Word has length 47 [2023-11-06 21:14:33,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:33,829 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 306 transitions. [2023-11-06 21:14:33,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 21:14:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 306 transitions. [2023-11-06 21:14:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 21:14:33,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:33,832 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 21:14:33,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:14:33,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:33,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:33,838 INFO L85 PathProgramCache]: Analyzing trace with hash 688456935, now seen corresponding path program 1 times [2023-11-06 21:14:33,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:33,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91666916] [2023-11-06 21:14:33,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:33,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:14:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 21:14:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 21:14:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:34,012 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 21:14:34,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:34,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91666916] [2023-11-06 21:14:34,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91666916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:34,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:34,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 21:14:34,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899886969] [2023-11-06 21:14:34,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:34,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:14:34,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:34,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:14:34,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:14:34,015 INFO L87 Difference]: Start difference. First operand 248 states and 306 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 21:14:34,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:34,689 INFO L93 Difference]: Finished difference Result 598 states and 769 transitions. [2023-11-06 21:14:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 21:14:34,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2023-11-06 21:14:34,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:34,699 INFO L225 Difference]: With dead ends: 598 [2023-11-06 21:14:34,699 INFO L226 Difference]: Without dead ends: 449 [2023-11-06 21:14:34,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2023-11-06 21:14:34,703 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 370 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:34,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 323 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 21:14:34,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-06 21:14:34,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 411. [2023-11-06 21:14:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 332 states have internal predecessors, (382), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2023-11-06 21:14:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 509 transitions. [2023-11-06 21:14:34,815 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 509 transitions. Word has length 51 [2023-11-06 21:14:34,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:34,815 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 509 transitions. [2023-11-06 21:14:34,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 21:14:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 509 transitions. [2023-11-06 21:14:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 21:14:34,817 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:34,818 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 21:14:34,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:14:34,818 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:34,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:34,819 INFO L85 PathProgramCache]: Analyzing trace with hash 554443429, now seen corresponding path program 1 times [2023-11-06 21:14:34,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:34,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703084645] [2023-11-06 21:14:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:34,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:14:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 21:14:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 21:14:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:34,908 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 21:14:34,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:34,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703084645] [2023-11-06 21:14:34,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703084645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:34,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:34,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:14:34,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945952048] [2023-11-06 21:14:34,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:34,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:14:34,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:34,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:14:34,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:14:34,912 INFO L87 Difference]: Start difference. First operand 411 states and 509 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 21:14:35,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:35,295 INFO L93 Difference]: Finished difference Result 737 states and 915 transitions. [2023-11-06 21:14:35,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 21:14:35,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2023-11-06 21:14:35,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:35,301 INFO L225 Difference]: With dead ends: 737 [2023-11-06 21:14:35,301 INFO L226 Difference]: Without dead ends: 421 [2023-11-06 21:14:35,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 21:14:35,306 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 140 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:35,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 287 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:14:35,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-06 21:14:35,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 411. [2023-11-06 21:14:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 332 states have internal predecessors, (381), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2023-11-06 21:14:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 508 transitions. [2023-11-06 21:14:35,365 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 508 transitions. Word has length 51 [2023-11-06 21:14:35,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:35,366 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 508 transitions. [2023-11-06 21:14:35,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 21:14:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 508 transitions. [2023-11-06 21:14:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 21:14:35,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:35,368 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 21:14:35,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 21:14:35,368 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:35,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:35,369 INFO L85 PathProgramCache]: Analyzing trace with hash 773298147, now seen corresponding path program 1 times [2023-11-06 21:14:35,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:35,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003662281] [2023-11-06 21:14:35,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:35,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:14:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:35,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 21:14:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:35,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 21:14:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:35,511 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 21:14:35,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:35,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003662281] [2023-11-06 21:14:35,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003662281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:35,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:14:35,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869116263] [2023-11-06 21:14:35,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:35,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:14:35,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:35,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:14:35,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:14:35,514 INFO L87 Difference]: Start difference. First operand 411 states and 508 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 21:14:35,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:35,886 INFO L93 Difference]: Finished difference Result 844 states and 1055 transitions. [2023-11-06 21:14:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 21:14:35,887 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2023-11-06 21:14:35,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:35,891 INFO L225 Difference]: With dead ends: 844 [2023-11-06 21:14:35,891 INFO L226 Difference]: Without dead ends: 440 [2023-11-06 21:14:35,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-06 21:14:35,894 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 155 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:35,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 353 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:14:35,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-11-06 21:14:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 414. [2023-11-06 21:14:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 317 states have (on average 1.2145110410094637) internal successors, (385), 336 states have internal predecessors, (385), 49 states have call successors, (49), 38 states have call predecessors, (49), 47 states have return successors, (76), 50 states have call predecessors, (76), 49 states have call successors, (76) [2023-11-06 21:14:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 510 transitions. [2023-11-06 21:14:35,957 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 510 transitions. Word has length 51 [2023-11-06 21:14:35,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:35,957 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 510 transitions. [2023-11-06 21:14:35,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 21:14:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 510 transitions. [2023-11-06 21:14:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-06 21:14:35,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:35,959 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:35,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 21:14:35,960 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:35,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:35,960 INFO L85 PathProgramCache]: Analyzing trace with hash 271087281, now seen corresponding path program 1 times [2023-11-06 21:14:35,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:35,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989496300] [2023-11-06 21:14:35,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:35,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:14:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:36,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 21:14:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:36,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:14:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:14:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:36,286 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 21:14:36,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:36,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989496300] [2023-11-06 21:14:36,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989496300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:36,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:36,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 21:14:36,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158470287] [2023-11-06 21:14:36,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:36,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 21:14:36,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:36,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 21:14:36,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-06 21:14:36,290 INFO L87 Difference]: Start difference. First operand 414 states and 510 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 21:14:37,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:37,375 INFO L93 Difference]: Finished difference Result 1192 states and 1524 transitions. [2023-11-06 21:14:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 21:14:37,376 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2023-11-06 21:14:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:37,384 INFO L225 Difference]: With dead ends: 1192 [2023-11-06 21:14:37,384 INFO L226 Difference]: Without dead ends: 785 [2023-11-06 21:14:37,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=1017, Unknown=0, NotChecked=0, Total=1260 [2023-11-06 21:14:37,390 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 307 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:37,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 866 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 21:14:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2023-11-06 21:14:37,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 770. [2023-11-06 21:14:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 580 states have (on average 1.1844827586206896) internal successors, (687), 614 states have internal predecessors, (687), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (166), 98 states have call predecessors, (166), 97 states have call successors, (166) [2023-11-06 21:14:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 950 transitions. [2023-11-06 21:14:37,516 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 950 transitions. Word has length 60 [2023-11-06 21:14:37,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:37,517 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 950 transitions. [2023-11-06 21:14:37,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 21:14:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 950 transitions. [2023-11-06 21:14:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-06 21:14:37,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:37,520 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:37,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 21:14:37,521 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:37,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash -907258435, now seen corresponding path program 1 times [2023-11-06 21:14:37,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:37,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717998240] [2023-11-06 21:14:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:37,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:14:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 21:14:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:14:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 21:14:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,657 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 21:14:37,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:37,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717998240] [2023-11-06 21:14:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717998240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:37,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:37,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:14:37,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325561092] [2023-11-06 21:14:37,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:37,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:14:37,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:37,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:14:37,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:14:37,661 INFO L87 Difference]: Start difference. First operand 770 states and 950 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 21:14:38,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:38,120 INFO L93 Difference]: Finished difference Result 1539 states and 1899 transitions. [2023-11-06 21:14:38,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 21:14:38,120 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2023-11-06 21:14:38,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:38,126 INFO L225 Difference]: With dead ends: 1539 [2023-11-06 21:14:38,126 INFO L226 Difference]: Without dead ends: 776 [2023-11-06 21:14:38,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-06 21:14:38,130 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 198 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:38,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 463 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 21:14:38,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2023-11-06 21:14:38,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 770. [2023-11-06 21:14:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 580 states have (on average 1.1706896551724137) internal successors, (679), 614 states have internal predecessors, (679), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (147), 98 states have call predecessors, (147), 97 states have call successors, (147) [2023-11-06 21:14:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 923 transitions. [2023-11-06 21:14:38,226 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 923 transitions. Word has length 61 [2023-11-06 21:14:38,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:38,227 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 923 transitions. [2023-11-06 21:14:38,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 21:14:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 923 transitions. [2023-11-06 21:14:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 21:14:38,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:38,234 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:38,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 21:14:38,234 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:38,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:38,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2101060045, now seen corresponding path program 1 times [2023-11-06 21:14:38,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:38,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129320249] [2023-11-06 21:14:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:14:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:14:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:14:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 21:14:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 21:14:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 21:14:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:14:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 21:14:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-06 21:14:38,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:38,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129320249] [2023-11-06 21:14:38,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129320249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:38,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:38,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 21:14:38,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273372086] [2023-11-06 21:14:38,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:38,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:14:38,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:38,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:14:38,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:14:38,446 INFO L87 Difference]: Start difference. First operand 770 states and 923 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 21:14:38,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:38,783 INFO L93 Difference]: Finished difference Result 1537 states and 1868 transitions. [2023-11-06 21:14:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 21:14:38,784 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 99 [2023-11-06 21:14:38,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:38,790 INFO L225 Difference]: With dead ends: 1537 [2023-11-06 21:14:38,791 INFO L226 Difference]: Without dead ends: 774 [2023-11-06 21:14:38,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-06 21:14:38,794 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 93 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:38,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 391 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:14:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2023-11-06 21:14:38,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 774. [2023-11-06 21:14:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 582 states have (on average 1.1632302405498283) internal successors, (677), 616 states have internal predecessors, (677), 97 states have call successors, (97), 76 states have call predecessors, (97), 94 states have return successors, (150), 98 states have call predecessors, (150), 97 states have call successors, (150) [2023-11-06 21:14:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 924 transitions. [2023-11-06 21:14:38,876 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 924 transitions. Word has length 99 [2023-11-06 21:14:38,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:38,877 INFO L495 AbstractCegarLoop]: Abstraction has 774 states and 924 transitions. [2023-11-06 21:14:38,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 21:14:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 924 transitions. [2023-11-06 21:14:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 21:14:38,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:38,886 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:38,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 21:14:38,887 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:38,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:38,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1306684405, now seen corresponding path program 1 times [2023-11-06 21:14:38,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:38,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931972059] [2023-11-06 21:14:38,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:14:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:14:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:14:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 21:14:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 21:14:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 21:14:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:14:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 21:14:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 21:14:39,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:39,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931972059] [2023-11-06 21:14:39,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931972059] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:14:39,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773646878] [2023-11-06 21:14:39,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:39,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:14:39,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:39,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:14:39,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:14:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 21:14:39,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-06 21:14:39,431 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:14:39,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773646878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:39,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:14:39,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2023-11-06 21:14:39,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588274521] [2023-11-06 21:14:39,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:39,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:14:39,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:39,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:14:39,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-11-06 21:14:39,434 INFO L87 Difference]: Start difference. First operand 774 states and 924 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 21:14:39,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:39,529 INFO L93 Difference]: Finished difference Result 1393 states and 1682 transitions. [2023-11-06 21:14:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:14:39,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 99 [2023-11-06 21:14:39,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:39,534 INFO L225 Difference]: With dead ends: 1393 [2023-11-06 21:14:39,534 INFO L226 Difference]: Without dead ends: 626 [2023-11-06 21:14:39,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2023-11-06 21:14:39,537 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 8 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:39,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 283 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:39,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2023-11-06 21:14:39,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2023-11-06 21:14:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 470 states have (on average 1.1617021276595745) internal successors, (546), 498 states have internal predecessors, (546), 81 states have call successors, (81), 64 states have call predecessors, (81), 74 states have return successors, (110), 78 states have call predecessors, (110), 81 states have call successors, (110) [2023-11-06 21:14:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 737 transitions. [2023-11-06 21:14:39,608 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 737 transitions. Word has length 99 [2023-11-06 21:14:39,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:39,608 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 737 transitions. [2023-11-06 21:14:39,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 21:14:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 737 transitions. [2023-11-06 21:14:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 21:14:39,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:39,612 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:39,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:39,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:14:39,818 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:14:39,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:39,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1686740425, now seen corresponding path program 1 times [2023-11-06 21:14:39,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:39,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538440121] [2023-11-06 21:14:39,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:39,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:14:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 21:14:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:14:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:14:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:14:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 21:14:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 21:14:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:14:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 21:14:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 21:14:40,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:40,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538440121] [2023-11-06 21:14:40,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538440121] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:14:40,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291028000] [2023-11-06 21:14:40,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:40,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:14:40,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:14:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 21:14:40,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 21:14:40,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:14:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-06 21:14:41,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291028000] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:14:41,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 21:14:41,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2023-11-06 21:14:41,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527586872] [2023-11-06 21:14:41,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 21:14:41,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-06 21:14:41,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:41,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 21:14:41,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2023-11-06 21:14:41,038 INFO L87 Difference]: Start difference. First operand 626 states and 737 transitions. Second operand has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2023-11-06 21:14:43,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:43,093 INFO L93 Difference]: Finished difference Result 1323 states and 1610 transitions. [2023-11-06 21:14:43,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-06 21:14:43,095 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) Word has length 99 [2023-11-06 21:14:43,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:43,096 INFO L225 Difference]: With dead ends: 1323 [2023-11-06 21:14:43,096 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 21:14:43,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 208 SyntacticMatches, 7 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1496 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1233, Invalid=4317, Unknown=0, NotChecked=0, Total=5550 [2023-11-06 21:14:43,104 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 789 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:43,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 560 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 21:14:43,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 21:14:43,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 21:14:43,107 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 21:14:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 21:14:43,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2023-11-06 21:14:43,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:43,108 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:14:43,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2023-11-06 21:14:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:14:43,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 21:14:43,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:14:43,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:43,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 21:14:43,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 21:14:48,325 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2023-11-06 21:14:48,325 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2023-11-06 21:14:48,325 INFO L899 garLoopResultBuilder]: For program point L626-1(lines 622 633) no Hoare annotation was computed. [2023-11-06 21:14:48,325 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 622 633) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse1 (not .cse5)) (.cse7 (not (= ~pumpRunning~0 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse7) (or .cse0 .cse2 .cse4 .cse5 .cse6)))) [2023-11-06 21:14:48,326 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 622 633) no Hoare annotation was computed. [2023-11-06 21:14:48,326 INFO L899 garLoopResultBuilder]: For program point L700-1(lines 699 718) no Hoare annotation was computed. [2023-11-06 21:14:48,326 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2023-11-06 21:14:48,326 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 775) no Hoare annotation was computed. [2023-11-06 21:14:48,326 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2023-11-06 21:14:48,327 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2023-11-06 21:14:48,327 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2023-11-06 21:14:48,327 INFO L895 garLoopResultBuilder]: At program point L69-1(lines 54 86) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse14 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse16 (= 1 ~systemActive~0)) (.cse17 (= |old(~pumpRunning~0)| 0)) (.cse11 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0))) (let ((.cse5 (not .cse11)) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~pumpRunning~0 1)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse0 (not .cse17)) (.cse2 (not .cse16)) (.cse12 (and .cse3 .cse7 .cse16 .cse17 .cse14 .cse11 .cse4 .cse15)) (.cse13 (not .cse1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse1 .cse2 (and .cse7 .cse8 .cse5 .cse9) .cse10 .cse6 (and .cse3 .cse7 .cse8 .cse5)) (or (and .cse11 .cse4 .cse9) .cse0 .cse2 .cse12 .cse13 .cse6) (or (and .cse3 .cse7 .cse14 .cse11 .cse8 .cse15) .cse2 .cse13 .cse10 (and .cse7 .cse14 .cse11 .cse8 .cse15 .cse9) .cse6) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse2 .cse12 .cse13)))) [2023-11-06 21:14:48,328 INFO L895 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse11 (= 1 ~systemActive~0)) (.cse12 (= |old(~pumpRunning~0)| 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~methaneLevelCritical~0 0))) (let ((.cse7 (not .cse10)) (.cse8 (and .cse4 .cse10 .cse0 .cse11 .cse12 .cse9)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (not .cse12)) (.cse3 (not .cse11)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse3 .cse7 .cse8) (or .cse6 .cse3 .cse7 .cse8 .cse5 (and .cse9 .cse2)) (or .cse6 (and .cse4 .cse9) .cse10 .cse3 .cse5)))) [2023-11-06 21:14:48,328 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2023-11-06 21:14:48,328 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2023-11-06 21:14:48,328 INFO L895 garLoopResultBuilder]: At program point L602-2(lines 598 609) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-11-06 21:14:48,329 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 666 674) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse12 (= 1 ~systemActive~0)) (.cse5 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse13 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse13)) (.cse2 (and .cse8 .cse3 .cse9 .cse12 .cse13 .cse5 .cse6 .cse11)) (.cse1 (not .cse12)) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4) (or (and .cse5 .cse6 .cse7) .cse0 .cse1 .cse4 .cse2) (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse8 .cse3 .cse9 .cse5 .cse10 .cse11) .cse1 (and .cse3 .cse9 .cse5 .cse10 .cse11 .cse7) (not (= |old(~pumpRunning~0)| 1)) .cse4))))) [2023-11-06 21:14:48,329 INFO L895 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-11-06 21:14:48,329 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-11-06 21:14:48,329 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2023-11-06 21:14:48,330 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 963 970) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-11-06 21:14:48,330 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 696 719) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (and .cse2 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse2) .cse0 .cse1))) [2023-11-06 21:14:48,330 INFO L899 garLoopResultBuilder]: For program point L967(line 967) no Hoare annotation was computed. [2023-11-06 21:14:48,330 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1))) [2023-11-06 21:14:48,330 INFO L895 garLoopResultBuilder]: At program point L773-1(lines 754 778) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse11 (= 1 ~systemActive~0)) (.cse12 (= |old(~pumpRunning~0)| 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~methaneLevelCritical~0 0))) (let ((.cse7 (not .cse10)) (.cse8 (and .cse4 .cse10 .cse0 .cse11 .cse12 .cse9)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (not .cse12)) (.cse3 (not .cse11)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse3 .cse7 .cse8) (or .cse6 .cse3 .cse7 .cse8 .cse5 (and .cse9 .cse2)) (or .cse6 (and .cse4 .cse9) .cse10 .cse3 .cse5)))) [2023-11-06 21:14:48,331 INFO L899 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2023-11-06 21:14:48,331 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 804 811) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-11-06 21:14:48,331 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2023-11-06 21:14:48,331 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2023-11-06 21:14:48,332 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 823 831) the Hoare annotation is: (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= |timeShift_isPumpRunning_#res#1| 1) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1)) .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1))) [2023-11-06 21:14:48,332 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2023-11-06 21:14:48,332 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2023-11-06 21:14:48,332 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2023-11-06 21:14:48,332 INFO L902 garLoopResultBuilder]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2023-11-06 21:14:48,332 INFO L899 garLoopResultBuilder]: For program point L505(line 505) no Hoare annotation was computed. [2023-11-06 21:14:48,333 INFO L902 garLoopResultBuilder]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2023-11-06 21:14:48,333 INFO L902 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2023-11-06 21:14:48,333 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2023-11-06 21:14:48,333 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 494 523) the Hoare annotation is: true [2023-11-06 21:14:48,333 INFO L902 garLoopResultBuilder]: At program point L519(lines 494 523) the Hoare annotation is: true [2023-11-06 21:14:48,333 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-11-06 21:14:48,334 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 642) the Hoare annotation is: true [2023-11-06 21:14:48,334 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 634 642) no Hoare annotation was computed. [2023-11-06 21:14:48,334 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 634 642) no Hoare annotation was computed. [2023-11-06 21:14:48,334 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 887 894) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 21:14:48,334 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2023-11-06 21:14:48,335 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 559 568) the Hoare annotation is: true [2023-11-06 21:14:48,335 INFO L895 garLoopResultBuilder]: At program point L944-2(lines 936 949) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 21:14:48,335 INFO L899 garLoopResultBuilder]: For program point L907(lines 906 953) no Hoare annotation was computed. [2023-11-06 21:14:48,335 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 102 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 21:14:48,335 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 569 591) the Hoare annotation is: true [2023-11-06 21:14:48,336 INFO L899 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2023-11-06 21:14:48,336 INFO L895 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 21:14:48,336 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 21:14:48,336 INFO L902 garLoopResultBuilder]: At program point L957(lines 896 961) the Hoare annotation is: true [2023-11-06 21:14:48,336 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 21:14:48,336 INFO L899 garLoopResultBuilder]: For program point L916(lines 916 922) no Hoare annotation was computed. [2023-11-06 21:14:48,337 INFO L899 garLoopResultBuilder]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2023-11-06 21:14:48,337 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2023-11-06 21:14:48,337 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 551 557) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= ~waterLevel~0 1)) [2023-11-06 21:14:48,337 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 21:14:48,337 INFO L895 garLoopResultBuilder]: At program point L954(lines 905 955) the Hoare annotation is: false [2023-11-06 21:14:48,337 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 21:14:48,338 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 21:14:48,338 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 586) no Hoare annotation was computed. [2023-11-06 21:14:48,338 INFO L899 garLoopResultBuilder]: For program point L579-2(lines 579 586) no Hoare annotation was computed. [2023-11-06 21:14:48,338 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2023-11-06 21:14:48,338 INFO L899 garLoopResultBuilder]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2023-11-06 21:14:48,339 INFO L895 garLoopResultBuilder]: At program point L951(lines 906 953) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 (not .cse7) .cse3 .cse4 .cse8) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 21:14:48,339 INFO L895 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 (not .cse7) .cse3 .cse4 .cse8) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 21:14:48,339 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 116 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 21:14:48,339 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 610 621) no Hoare annotation was computed. [2023-11-06 21:14:48,339 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 621) the Hoare annotation is: (let ((.cse5 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse3) (or .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse0 .cse3 .cse4))) [2023-11-06 21:14:48,340 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2023-11-06 21:14:48,340 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__highWaterSensor_returnLabel#1(lines 779 786) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1))) (or .cse2 .cse0 .cse1) (or .cse3 .cse2 .cse0 (and (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| 0) (= ~pumpRunning~0 1) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|))) (or .cse3 .cse2 (= ~methaneLevelCritical~0 0) .cse0))) [2023-11-06 21:14:48,340 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 728 752) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-11-06 21:14:48,340 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0) (<= ~waterLevel~0 1) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-11-06 21:14:48,341 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 675 688) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (not .cse6)) (.cse0 (not .cse5)) (.cse3 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) .cse4 (<= ~waterLevel~0 1) .cse5 .cse6)) (.cse1 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1))) (or (< 2 ~waterLevel~0) .cse2 .cse0 .cse3 (and .cse4 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))) (or .cse2 .cse0 .cse3 .cse1)))) [2023-11-06 21:14:48,341 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 744) no Hoare annotation was computed. [2023-11-06 21:14:48,341 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 868 886) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse9 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse10 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse12 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|)) (.cse13 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse15 (= |old(~pumpRunning~0)| 0)) (.cse7 (not .cse1)) (.cse16 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse5 (< 2 ~waterLevel~0)) (.cse6 (and .cse11 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|))) (.cse4 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse7 .cse16)) (.cse0 (not .cse15)) (.cse2 (not .cse14)) (.cse3 (< 1 ~waterLevel~0)) (.cse8 (and .cse9 .cse10 .cse11 .cse12 .cse1 .cse13 .cse14 .cse15 .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse6 .cse7 .cse8) (or .cse2 .cse3 (not (= |old(~pumpRunning~0)| 1))) (or .cse5 .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse2 .cse3 .cse7 .cse8))))) [2023-11-06 21:14:48,341 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2023-11-06 21:14:48,341 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2023-11-06 21:14:48,342 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (and (= ~pumpRunning~0 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|))) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 .cse2))) [2023-11-06 21:14:48,342 INFO L895 garLoopResultBuilder]: At program point L794-2(lines 787 803) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|)) (.cse4 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse5 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| 0) (= ~pumpRunning~0 1) .cse5) (not .cse6)) (or .cse0 .cse1 .cse6 .cse2 (and (= ~pumpRunning~0 0) .cse3 .cse4 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| ~methaneLevelCritical~0) .cse5)) (or .cse2 .cse7 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse7))) [2023-11-06 21:14:48,342 INFO L899 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2023-11-06 21:14:48,342 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2023-11-06 21:14:48,342 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 752) no Hoare annotation was computed. [2023-11-06 21:14:48,343 INFO L899 garLoopResultBuilder]: For program point L877-2(lines 877 881) no Hoare annotation was computed. [2023-11-06 21:14:48,343 INFO L895 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-11-06 21:14:48,343 INFO L899 garLoopResultBuilder]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2023-11-06 21:14:48,343 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2023-11-06 21:14:48,343 INFO L902 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: true [2023-11-06 21:14:48,344 INFO L899 garLoopResultBuilder]: For program point L817-1(line 817) no Hoare annotation was computed. [2023-11-06 21:14:48,344 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2023-11-06 21:14:48,344 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 812 822) the Hoare annotation is: true [2023-11-06 21:14:48,344 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2023-11-06 21:14:48,347 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:48,349 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:14:48,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:14:48 BoogieIcfgContainer [2023-11-06 21:14:48,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:14:48,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:14:48,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:14:48,428 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:14:48,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:31" (3/4) ... [2023-11-06 21:14:48,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:14:48,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 21:14:48,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 21:14:48,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 21:14:48,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 21:14:48,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 21:14:48,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 21:14:48,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-06 21:14:48,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-06 21:14:48,452 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 21:14:48,453 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 21:14:48,454 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 21:14:48,454 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:14:48,455 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:14:48,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 21:14:48,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (waterLevel == 1)) [2023-11-06 21:14:48,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1) && (waterLevel <= 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (pumpRunning == 1)) || (((((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && !((methaneLevelCritical == 0))) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) || (((((((methaneLevelCritical == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1))) || ((((((pumpRunning == 0) && (\result == 1)) && (waterLevel <= 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0))) [2023-11-06 21:14:48,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)))) && (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && !((tmp == 0)))) || (2 < \old(waterLevel))) && ((((((methaneLevelCritical == 0) || !((1 == systemActive))) || ((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && !((tmp == 0))) && (pumpRunning == 1))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && !((tmp == 0))))) && ((((((((tmp == 0) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp___0 <= 1)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((((((pumpRunning == 0) && (waterLevel <= 1)) && (tmp___0 <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || ((((((waterLevel <= 1) && (tmp___0 <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || (2 < \old(waterLevel)))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp___0 <= 1)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1))) || !((methaneLevelCritical == 0)))) [2023-11-06 21:14:48,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1)) || ((((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) [2023-11-06 21:14:48,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (\result == 1)) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((((((tmp == 0) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (2 < \old(waterLevel))) || ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1)))) && ((((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) || !((1 == systemActive))) || ((((((methaneLevelCritical == 0) && (waterLevel <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= tmp) && (\result == 0)) && (tmp == 0)) && (pumpRunning == 1)) && (1 <= \result))) || !((methaneLevelCritical == 0))) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (1 <= tmp)) && (\result == 0)) && (tmp == methaneLevelCritical)) && (1 <= \result)))) && ((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) [2023-11-06 21:14:48,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= tmp) && (\result == 0)) && (tmp == 0)) && (pumpRunning == 1)) && (1 <= \result)))) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive)))) [2023-11-06 21:14:48,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= \result) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\result == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((((1 <= \result) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (1 < waterLevel))) [2023-11-06 21:14:48,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((\result == 1) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive)))) [2023-11-06 21:14:48,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((methaneLevelCritical == 0))) && (\result == 0))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (1 <= tmp___0)) && (tmp == 0)) && (1 <= \result))) || !((methaneLevelCritical == 0))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0)))) && ((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1)))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (1 <= tmp___0)) && (tmp == 0)) && (1 <= \result))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((methaneLevelCritical == 0))) && (\result == 0)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0)))) [2023-11-06 21:14:48,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,528 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 21:14:48,529 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (waterLevel == 1)) [2023-11-06 21:14:48,529 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1) && (waterLevel <= 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (pumpRunning == 1)) || (((((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && !((methaneLevelCritical == 0))) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) || (((((((methaneLevelCritical == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1))) || ((((((pumpRunning == 0) && (\result == 1)) && (waterLevel <= 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0))) [2023-11-06 21:14:48,529 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,530 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)))) && (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,530 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && !((tmp == 0)))) || (2 < \old(waterLevel))) && ((((((methaneLevelCritical == 0) || !((1 == systemActive))) || ((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && !((tmp == 0))) && (pumpRunning == 1))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && !((tmp == 0))))) && ((((((((tmp == 0) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp___0 <= 1)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((((((pumpRunning == 0) && (waterLevel <= 1)) && (tmp___0 <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || ((((((waterLevel <= 1) && (tmp___0 <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || (2 < \old(waterLevel)))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp___0 <= 1)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1))) || !((methaneLevelCritical == 0)))) [2023-11-06 21:14:48,531 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,531 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1)) || ((((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) [2023-11-06 21:14:48,531 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (\result == 1)) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((((((tmp == 0) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (2 < \old(waterLevel))) || ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1)))) && ((((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) || !((1 == systemActive))) || ((((((methaneLevelCritical == 0) && (waterLevel <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,531 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= tmp) && (\result == 0)) && (tmp == 0)) && (pumpRunning == 1)) && (1 <= \result))) || !((methaneLevelCritical == 0))) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (1 <= tmp)) && (\result == 0)) && (tmp == methaneLevelCritical)) && (1 <= \result)))) && ((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) [2023-11-06 21:14:48,531 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= tmp) && (\result == 0)) && (tmp == 0)) && (pumpRunning == 1)) && (1 <= \result)))) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive)))) [2023-11-06 21:14:48,532 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= \result) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\result == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((((1 <= \result) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (1 < waterLevel))) [2023-11-06 21:14:48,532 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((\result == 1) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive)))) [2023-11-06 21:14:48,532 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((methaneLevelCritical == 0))) && (\result == 0))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (1 <= tmp___0)) && (tmp == 0)) && (1 <= \result))) || !((methaneLevelCritical == 0))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0)))) && ((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1)))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (1 <= tmp___0)) && (tmp == 0)) && (1 <= \result))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((methaneLevelCritical == 0))) && (\result == 0)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0)))) [2023-11-06 21:14:48,533 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) [2023-11-06 21:14:48,548 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:14:48,549 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:14:48,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:14:48,550 INFO L158 Benchmark]: Toolchain (without parser) took 18393.01ms. Allocated memory was 125.8MB in the beginning and 226.5MB in the end (delta: 100.7MB). Free memory was 82.5MB in the beginning and 79.6MB in the end (delta: 2.9MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2023-11-06 21:14:48,551 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:14:48,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.69ms. Allocated memory is still 125.8MB. Free memory was 82.0MB in the beginning and 63.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 21:14:48,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.82ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 60.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:14:48,552 INFO L158 Benchmark]: Boogie Preprocessor took 46.31ms. Allocated memory is still 125.8MB. Free memory was 60.5MB in the beginning and 59.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:14:48,552 INFO L158 Benchmark]: RCFGBuilder took 506.94ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 96.2MB in the end (delta: -37.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-06 21:14:48,553 INFO L158 Benchmark]: TraceAbstraction took 17072.44ms. Allocated memory was 125.8MB in the beginning and 226.5MB in the end (delta: 100.7MB). Free memory was 95.3MB in the beginning and 87.0MB in the end (delta: 8.4MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. [2023-11-06 21:14:48,553 INFO L158 Benchmark]: Witness Printer took 122.00ms. Allocated memory is still 226.5MB. Free memory was 87.0MB in the beginning and 79.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 21:14:48,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.69ms. Allocated memory is still 125.8MB. Free memory was 82.0MB in the beginning and 63.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.82ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 60.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.31ms. Allocated memory is still 125.8MB. Free memory was 60.5MB in the beginning and 59.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.94ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 96.2MB in the end (delta: -37.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 17072.44ms. Allocated memory was 125.8MB in the beginning and 226.5MB in the end (delta: 100.7MB). Free memory was 95.3MB in the beginning and 87.0MB in the end (delta: 8.4MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. * Witness Printer took 122.00ms. Allocated memory is still 226.5MB. Free memory was 87.0MB in the beginning and 79.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [87] - GenericResultAtLocation [Line: 125]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [125] - GenericResultAtLocation [Line: 491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [491] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [689] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [895] - GenericResultAtLocation [Line: 962]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [962] * 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: 967]: 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 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2565 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2522 mSDsluCounter, 4668 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3516 mSDsCounter, 818 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3605 IncrementalHoareTripleChecker+Invalid, 4423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 818 mSolverCounterUnsat, 1152 mSDtfsCounter, 3605 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 643 GetRequests, 429 SyntacticMatches, 7 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1917 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=774occurred in iteration=11, InterpolantAutomatonStates: 177, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 109 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2384 PreInvPairs, 2637 NumberOfFragments, 2054 HoareAnnotationTreeSize, 2384 FomulaSimplifications, 3732 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 7940 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 939 NumberOfCodeBlocks, 939 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1022 ConstructedInterpolants, 0 QuantifiedInterpolants, 1779 SizeOfPredicates, 6 NumberOfNonLiveVariables, 672 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 214/252 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: 54]: Loop Invariant Derived loop invariant: ((((((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && !((tmp == 0)))) || (2 < \old(waterLevel))) && ((((((methaneLevelCritical == 0) || !((1 == systemActive))) || ((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && !((tmp == 0))) && (pumpRunning == 1))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))) && !((tmp == 0))))) && ((((((((tmp == 0) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp___0 <= 1)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1))) || !((methaneLevelCritical == 0))) || (2 < \old(waterLevel)))) && (((((((((((pumpRunning == 0) && (waterLevel <= 1)) && (tmp___0 <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || ((((((waterLevel <= 1) && (tmp___0 <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || (2 < \old(waterLevel)))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp___0 <= 1)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1))) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (waterLevel == 1)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((((((\result == 1) && (waterLevel <= 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (pumpRunning == 1)) || (((((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && !((methaneLevelCritical == 0))) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) || (((((((methaneLevelCritical == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1))) || ((((((pumpRunning == 0) && (\result == 1)) && (waterLevel <= 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0))) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (((((((\result == 1) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1)) || ((((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (\result == 1)) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((((((tmp == 0) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (2 < \old(waterLevel))) || ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (\result <= 1)))) && ((((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) || !((1 == systemActive))) || ((((((methaneLevelCritical == 0) && (waterLevel <= 1)) && (tmp == 0)) && (waterLevel <= \old(waterLevel))) && (\result <= 1)) && (pumpRunning == 1))) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: (((((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= tmp) && (\result == 0)) && (tmp == 0)) && (pumpRunning == 1)) && (1 <= \result)))) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive)))) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1))) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= \result) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\result == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((((1 <= \result) && (pumpRunning == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (1 < waterLevel))) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((\result == 1) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (pumpRunning == 1))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive)))) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: ((((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((1 <= tmp) && (\result == 0)) && (tmp == 0)) && (pumpRunning == 1)) && (1 <= \result))) || !((methaneLevelCritical == 0))) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (1 <= tmp)) && (\result == 0)) && (tmp == methaneLevelCritical)) && (1 <= \result)))) && ((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)))) && (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: ((((!((1 == systemActive)) || !((\old(pumpRunning) == 1))) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel)))) || (2 < \old(waterLevel))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((((((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((methaneLevelCritical == 0))) && (\result == 0))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (1 <= tmp___0)) && (tmp == 0)) && (1 <= \result))) || !((methaneLevelCritical == 0))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0)))) && ((!((1 == systemActive)) || (1 < waterLevel)) || !((\old(pumpRunning) == 1)))) && ((((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (\result == 0)) && (1 <= tmp___0)) && (tmp == 0)) && (1 <= \result))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((methaneLevelCritical == 0))) && (\result == 0)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || !((methaneLevelCritical == 0))) || (((((((((tmp___0 == 0) && (1 <= \result)) && (pumpRunning == 0)) && (1 <= tmp)) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0)))) - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 21:14:48,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9698b51-29c6-4a0d-8da2-0c6cc461406b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE