./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:33,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:33,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:17:33,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:33,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:33,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:33,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:33,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:33,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:33,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:33,367 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:33,368 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:33,368 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:33,370 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:33,370 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:33,371 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:33,371 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:33,371 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:33,372 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:33,373 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:33,373 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:33,374 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:33,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:33,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:33,376 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:17:33,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:33,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:17:33,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:33,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:33,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:33,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:33,379 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:17:33,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:33,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:33,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:33,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:33,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:33,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:33,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:33,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:33,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:33,382 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:33,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:33,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:33,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:33,383 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:33,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:33,384 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2023-11-23 21:17:33,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:33,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:33,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:33,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:33,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:33,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2023-11-23 21:17:36,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:37,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:37,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2023-11-23 21:17:37,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/data/e26036d1f/196a2765ebf7422f9f3a2a7893755750/FLAG9884ea217 [2023-11-23 21:17:37,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/data/e26036d1f/196a2765ebf7422f9f3a2a7893755750 [2023-11-23 21:17:37,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:37,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:37,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:37,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:37,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:37,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26192363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37, skipping insertion in model container [2023-11-23 21:17:37,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:37,707 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_cd888a80-cd86-447e-ac91-f966a935a686/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2023-11-23 21:17:37,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:37,815 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:37,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-23 21:17:37,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [153] [2023-11-23 21:17:37,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [221] [2023-11-23 21:17:37,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [407] [2023-11-23 21:17:37,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [502] [2023-11-23 21:17:37,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2023-11-23 21:17:37,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [546] [2023-11-23 21:17:37,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912] [2023-11-23 21:17:37,888 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_cd888a80-cd86-447e-ac91-f966a935a686/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2023-11-23 21:17:37,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:37,968 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:37,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37 WrapperNode [2023-11-23 21:17:37,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:37,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:37,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:37,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:37,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,050 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 196 [2023-11-23 21:17:38,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:38,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:38,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:38,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:38,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:38,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:38,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:38,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:38,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:38,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:38,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:38,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 21:17:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 21:17:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-23 21:17:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-23 21:17:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:17:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:17:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:17:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:17:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:17:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:17:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:17:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:17:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:38,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:38,353 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:38,356 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:38,699 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:38,880 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:38,889 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:17:38,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:38 BoogieIcfgContainer [2023-11-23 21:17:38,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:38,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:38,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:38,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:38,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:37" (1/3) ... [2023-11-23 21:17:38,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468bba73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:38, skipping insertion in model container [2023-11-23 21:17:38,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (2/3) ... [2023-11-23 21:17:38,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468bba73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:38, skipping insertion in model container [2023-11-23 21:17:38,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:38" (3/3) ... [2023-11-23 21:17:38,906 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2023-11-23 21:17:38,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:38,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:38,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:38,985 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3e0fb183, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:38,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 21:17:39,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:17:39,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:39,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:39,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:39,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:39,015 INFO L85 PathProgramCache]: Analyzing trace with hash -599909999, now seen corresponding path program 1 times [2023-11-23 21:17:39,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:39,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21286876] [2023-11-23 21:17:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:39,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:39,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:39,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21286876] [2023-11-23 21:17:39,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21286876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:39,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:39,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:17:39,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858424706] [2023-11-23 21:17:39,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:39,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:17:39,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:39,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:17:39,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:17:39,253 INFO L87 Difference]: Start difference. First operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-23 21:17:39,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:39,321 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2023-11-23 21:17:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:17:39,324 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 17 [2023-11-23 21:17:39,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:39,334 INFO L225 Difference]: With dead ends: 100 [2023-11-23 21:17:39,334 INFO L226 Difference]: Without dead ends: 46 [2023-11-23 21:17:39,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:17:39,342 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:39,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:39,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-23 21:17:39,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-23 21:17:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-23 21:17:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2023-11-23 21:17:39,392 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 17 [2023-11-23 21:17:39,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:39,393 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2023-11-23 21:17:39,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-23 21:17:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-23 21:17:39,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:17:39,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:39,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:39,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:17:39,397 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:39,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:39,398 INFO L85 PathProgramCache]: Analyzing trace with hash -22946081, now seen corresponding path program 1 times [2023-11-23 21:17:39,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:39,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080016881] [2023-11-23 21:17:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:39,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:39,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:39,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080016881] [2023-11-23 21:17:39,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080016881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:39,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:39,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:39,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267622897] [2023-11-23 21:17:39,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:39,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:39,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:39,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:39,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:39,585 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-23 21:17:39,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:39,626 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2023-11-23 21:17:39,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:39,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2023-11-23 21:17:39,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:39,628 INFO L225 Difference]: With dead ends: 69 [2023-11-23 21:17:39,628 INFO L226 Difference]: Without dead ends: 38 [2023-11-23 21:17:39,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:39,636 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:39,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 59 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:39,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-23 21:17:39,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-23 21:17:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:17:39,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2023-11-23 21:17:39,652 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 18 [2023-11-23 21:17:39,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:39,652 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2023-11-23 21:17:39,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-23 21:17:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-23 21:17:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:17:39,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:39,654 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] [2023-11-23 21:17:39,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:17:39,654 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:39,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:39,655 INFO L85 PathProgramCache]: Analyzing trace with hash 35590000, now seen corresponding path program 1 times [2023-11-23 21:17:39,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:39,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316699442] [2023-11-23 21:17:39,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:39,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:39,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:39,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316699442] [2023-11-23 21:17:39,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316699442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:39,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:39,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:17:39,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071282663] [2023-11-23 21:17:39,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:39,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:17:39,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:39,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:17:39,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:17:39,950 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-23 21:17:40,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:40,047 INFO L93 Difference]: Finished difference Result 74 states and 93 transitions. [2023-11-23 21:17:40,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:17:40,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 20 [2023-11-23 21:17:40,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:40,049 INFO L225 Difference]: With dead ends: 74 [2023-11-23 21:17:40,050 INFO L226 Difference]: Without dead ends: 38 [2023-11-23 21:17:40,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:17:40,052 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 37 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:40,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 41 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:40,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-23 21:17:40,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-23 21:17:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:17:40,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2023-11-23 21:17:40,063 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 20 [2023-11-23 21:17:40,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:40,064 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-11-23 21:17:40,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-23 21:17:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-23 21:17:40,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:17:40,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:40,066 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] [2023-11-23 21:17:40,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:17:40,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:40,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:40,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1360859661, now seen corresponding path program 1 times [2023-11-23 21:17:40,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:40,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108896531] [2023-11-23 21:17:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:40,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:40,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:40,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108896531] [2023-11-23 21:17:40,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108896531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:40,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:40,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:40,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380968641] [2023-11-23 21:17:40,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:40,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:40,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:40,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:40,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:40,250 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:40,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:40,315 INFO L93 Difference]: Finished difference Result 105 states and 128 transitions. [2023-11-23 21:17:40,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:40,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-23 21:17:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:40,317 INFO L225 Difference]: With dead ends: 105 [2023-11-23 21:17:40,320 INFO L226 Difference]: Without dead ends: 69 [2023-11-23 21:17:40,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:40,322 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 32 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:40,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 67 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:40,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-23 21:17:40,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2023-11-23 21:17:40,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 51 states have internal predecessors, (57), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2023-11-23 21:17:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 81 transitions. [2023-11-23 21:17:40,378 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 81 transitions. Word has length 25 [2023-11-23 21:17:40,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:40,378 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 81 transitions. [2023-11-23 21:17:40,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2023-11-23 21:17:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 21:17:40,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:40,385 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] [2023-11-23 21:17:40,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:17:40,386 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:40,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:40,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2070010836, now seen corresponding path program 1 times [2023-11-23 21:17:40,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:40,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208669158] [2023-11-23 21:17:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:40,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:40,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208669158] [2023-11-23 21:17:40,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208669158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:40,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:40,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:17:40,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489381865] [2023-11-23 21:17:40,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:40,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:17:40,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:40,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:17:40,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:17:40,669 INFO L87 Difference]: Start difference. First operand 67 states and 81 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:40,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:40,812 INFO L93 Difference]: Finished difference Result 193 states and 240 transitions. [2023-11-23 21:17:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:17:40,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-11-23 21:17:40,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:40,815 INFO L225 Difference]: With dead ends: 193 [2023-11-23 21:17:40,816 INFO L226 Difference]: Without dead ends: 128 [2023-11-23 21:17:40,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:17:40,818 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 54 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:40,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 133 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:40,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-23 21:17:40,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 122. [2023-11-23 21:17:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 83 states have (on average 1.2409638554216869) internal successors, (103), 92 states have internal predecessors, (103), 20 states have call successors, (20), 18 states have call predecessors, (20), 18 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2023-11-23 21:17:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 147 transitions. [2023-11-23 21:17:40,847 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 147 transitions. Word has length 26 [2023-11-23 21:17:40,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:40,848 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 147 transitions. [2023-11-23 21:17:40,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 147 transitions. [2023-11-23 21:17:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 21:17:40,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:40,850 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] [2023-11-23 21:17:40,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:17:40,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:40,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:40,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1047741000, now seen corresponding path program 1 times [2023-11-23 21:17:40,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:40,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876823885] [2023-11-23 21:17:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:40,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:41,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:41,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876823885] [2023-11-23 21:17:41,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876823885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:41,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:41,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 21:17:41,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584361246] [2023-11-23 21:17:41,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:41,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:17:41,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:41,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:17:41,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:17:41,229 INFO L87 Difference]: Start difference. First operand 122 states and 147 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:17:41,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:41,441 INFO L93 Difference]: Finished difference Result 256 states and 329 transitions. [2023-11-23 21:17:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 21:17:41,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2023-11-23 21:17:41,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:41,445 INFO L225 Difference]: With dead ends: 256 [2023-11-23 21:17:41,445 INFO L226 Difference]: Without dead ends: 191 [2023-11-23 21:17:41,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:17:41,447 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 88 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:41,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 172 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:41,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-11-23 21:17:41,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 162. [2023-11-23 21:17:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 121 states have internal predecessors, (134), 27 states have call successors, (27), 25 states have call predecessors, (27), 24 states have return successors, (33), 26 states have call predecessors, (33), 27 states have call successors, (33) [2023-11-23 21:17:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 194 transitions. [2023-11-23 21:17:41,482 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 194 transitions. Word has length 29 [2023-11-23 21:17:41,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:41,482 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 194 transitions. [2023-11-23 21:17:41,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:17:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 194 transitions. [2023-11-23 21:17:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:17:41,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:41,485 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-23 21:17:41,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:17:41,485 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:41,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:41,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1440115538, now seen corresponding path program 1 times [2023-11-23 21:17:41,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:41,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82821069] [2023-11-23 21:17:41,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:41,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:17:41,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:41,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82821069] [2023-11-23 21:17:41,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82821069] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:17:41,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569215575] [2023-11-23 21:17:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:41,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:41,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:41,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:17:41,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:17:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:41,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:17:41,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:17:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:41,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:17:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:17:42,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569215575] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:17:42,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [532883985] [2023-11-23 21:17:42,108 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-11-23 21:17:42,108 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:17:42,114 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:17:42,120 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:17:42,121 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:17:43,393 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 120 for LOIs [2023-11-23 21:17:43,476 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2023-11-23 21:17:44,784 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 141 for LOIs [2023-11-23 21:17:44,949 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:17:52,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [532883985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:52,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:17:52,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [7, 6, 7] total 32 [2023-11-23 21:17:52,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46841906] [2023-11-23 21:17:52,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:52,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-23 21:17:52,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:52,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-23 21:17:52,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=854, Unknown=0, NotChecked=0, Total=992 [2023-11-23 21:17:52,682 INFO L87 Difference]: Start difference. First operand 162 states and 194 transitions. Second operand has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:17:58,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:58,300 INFO L93 Difference]: Finished difference Result 392 states and 475 transitions. [2023-11-23 21:17:58,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 21:17:58,303 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2023-11-23 21:17:58,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:58,306 INFO L225 Difference]: With dead ends: 392 [2023-11-23 21:17:58,307 INFO L226 Difference]: Without dead ends: 232 [2023-11-23 21:17:58,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=208, Invalid=1432, Unknown=0, NotChecked=0, Total=1640 [2023-11-23 21:17:58,311 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 51 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:58,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 296 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 21:17:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-23 21:17:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 212. [2023-11-23 21:17:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 146 states have (on average 1.1986301369863013) internal successors, (175), 158 states have internal predecessors, (175), 34 states have call successors, (34), 32 states have call predecessors, (34), 31 states have return successors, (40), 32 states have call predecessors, (40), 34 states have call successors, (40) [2023-11-23 21:17:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 249 transitions. [2023-11-23 21:17:58,370 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 249 transitions. Word has length 30 [2023-11-23 21:17:58,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:58,371 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 249 transitions. [2023-11-23 21:17:58,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:17:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 249 transitions. [2023-11-23 21:17:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 21:17:58,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:58,374 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-23 21:17:58,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:17:58,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:58,588 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:58,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:58,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2027864388, now seen corresponding path program 1 times [2023-11-23 21:17:58,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:58,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936624581] [2023-11-23 21:17:58,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:58,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:17:58,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:58,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936624581] [2023-11-23 21:17:58,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936624581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:58,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:58,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 21:17:58,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868535395] [2023-11-23 21:17:58,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:58,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:17:58,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:58,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:17:58,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:17:58,768 INFO L87 Difference]: Start difference. First operand 212 states and 249 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 21:17:59,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:59,102 INFO L93 Difference]: Finished difference Result 653 states and 809 transitions. [2023-11-23 21:17:59,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 21:17:59,103 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2023-11-23 21:17:59,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:59,112 INFO L225 Difference]: With dead ends: 653 [2023-11-23 21:17:59,112 INFO L226 Difference]: Without dead ends: 343 [2023-11-23 21:17:59,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:17:59,120 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 112 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:59,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 388 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:17:59,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-11-23 21:17:59,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 319. [2023-11-23 21:17:59,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 222 states have (on average 1.1981981981981982) internal successors, (266), 236 states have internal predecessors, (266), 51 states have call successors, (51), 47 states have call predecessors, (51), 45 states have return successors, (66), 47 states have call predecessors, (66), 51 states have call successors, (66) [2023-11-23 21:17:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 383 transitions. [2023-11-23 21:17:59,191 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 383 transitions. Word has length 33 [2023-11-23 21:17:59,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:59,192 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 383 transitions. [2023-11-23 21:17:59,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 21:17:59,192 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 383 transitions. [2023-11-23 21:17:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 21:17:59,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:59,196 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-23 21:17:59,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 21:17:59,196 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:59,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:59,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1509664312, now seen corresponding path program 1 times [2023-11-23 21:17:59,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:59,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52726385] [2023-11-23 21:17:59,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:59,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:17:59,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:59,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52726385] [2023-11-23 21:17:59,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52726385] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:17:59,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476161240] [2023-11-23 21:17:59,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:59,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:59,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:59,412 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:17:59,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:17:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:59,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 21:17:59,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:17:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 21:17:59,751 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:18:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 21:18:00,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476161240] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:18:00,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [9526211] [2023-11-23 21:18:00,217 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2023-11-23 21:18:00,217 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:18:00,218 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:18:00,218 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:18:00,219 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:18:02,768 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 135 for LOIs [2023-11-23 21:18:02,901 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2023-11-23 21:18:03,166 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 37 for LOIs [2023-11-23 21:18:03,183 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 8 for LOIs [2023-11-23 21:18:03,190 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 30 for LOIs [2023-11-23 21:18:03,197 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:18:06,344 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4549#(and (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0) (= ~pumpRunning~0 0) (= 2 ~waterLevel~0) (= 0 |timeShift___utac_acc__Specification3_spec__1_~tmp___1~1#1|) (= ~methaneLevelCritical~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= 2 |timeShift_getWaterLevel_#res#1|) (= 2 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1|))' at error location [2023-11-23 21:18:06,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:18:06,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:18:06,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2023-11-23 21:18:06,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151430366] [2023-11-23 21:18:06,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:18:06,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-23 21:18:06,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:06,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-23 21:18:06,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=1989, Unknown=0, NotChecked=0, Total=2256 [2023-11-23 21:18:06,349 INFO L87 Difference]: Start difference. First operand 319 states and 383 transitions. Second operand has 21 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 10 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2023-11-23 21:18:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:07,253 INFO L93 Difference]: Finished difference Result 551 states and 674 transitions. [2023-11-23 21:18:07,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 21:18:07,254 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 10 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) Word has length 58 [2023-11-23 21:18:07,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:07,254 INFO L225 Difference]: With dead ends: 551 [2023-11-23 21:18:07,254 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:18:07,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 135 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=623, Invalid=4207, Unknown=0, NotChecked=0, Total=4830 [2023-11-23 21:18:07,260 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 280 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:07,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 268 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:18:07,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:18:07,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:18:07,261 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) [2023-11-23 21:18:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:18:07,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2023-11-23 21:18:07,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:07,262 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:18:07,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 10 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2023-11-23 21:18:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:18:07,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:18:07,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:18:07,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:07,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:07,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:18:16,992 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2023-11-23 21:18:16,992 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2023-11-23 21:18:16,993 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 435 446) the Hoare annotation is: true [2023-11-23 21:18:16,993 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 435 446) no Hoare annotation was computed. [2023-11-23 21:18:16,993 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 447 455) the Hoare annotation is: true [2023-11-23 21:18:16,993 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 447 455) no Hoare annotation was computed. [2023-11-23 21:18:16,994 INFO L895 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse42 (select |#memory_int| 1))) (let ((.cse2 (not (= (select |#length| 12) 25))) (.cse3 (not (= (select .cse42 0) 48))) (.cse4 (not (= 9 (select |#length| 11)))) (.cse6 (not (= 9 (select |#length| 5)))) (.cse7 (not (= 30 (select |#length| 7)))) (.cse8 (not (= 31 (select |#length| 2)))) (.cse9 (not (= (select |#valid| 12) 1))) (.cse10 (not (= 2 (select |#length| 1)))) (.cse11 (not (= 9 (select |#length| 14)))) (.cse5 (not (= 1 ~systemActive~0))) (.cse12 (not (= (select |#length| 15) 25))) (.cse13 (not (= (select |#valid| 6) 1))) (.cse14 (not (= (select |#valid| 3) 1))) (.cse15 (not (= ~head~0.offset 0))) (.cse16 (not (= (select |#valid| 11) 1))) (.cse17 (not (= (select |#length| 9) 21))) (.cse18 (not (= 30 (select |#length| 10)))) (.cse19 (not (= (select |#valid| 15) 1))) (.cse20 (not (= (select |#length| 6) 21))) (.cse21 (not (= 1 (select |#valid| 5)))) (.cse22 (not (= (select |#length| 8) 9))) (.cse23 (not (= (select |#length| 3) 12))) (.cse24 (not (= (select |#valid| 0) 0))) (.cse25 (not (= ~methaneLevelCritical~0 0))) (.cse26 (not (= (select .cse42 1) 0))) (.cse27 (not (= (select |#valid| 1) 1))) (.cse28 (not (= (select |#valid| 8) 1))) (.cse29 (not (= 30 (select |#length| 13)))) (.cse30 (not (= (select |#valid| 4) 1))) (.cse31 (not (= (select |#valid| 7) 1))) (.cse32 (not (= (select |#valid| 10) 1))) (.cse33 (not (= (select |#valid| 14) 1))) (.cse34 (not (= (select |#valid| 13) 1))) (.cse35 (< |#StackHeapBarrier| 1)) (.cse36 (not (= 30 (select |#length| 4)))) (.cse37 (not (= (select |#valid| 2) 1))) (.cse38 (not (= (select |#valid| 9) 1))) (.cse39 (not (= ~head~0.base 0))) (.cse40 (not (= ~cleanupTimeShifts~0 4))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse41 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse2 .cse0 .cse3 .cse4 (forall ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| Int)) (or (< (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|) 0) (and (or .cse5 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1|) (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| 2147483648) 0)) (or (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| 0) .cse5)) (< 2147483647 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|))) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (< |old(~waterLevel~0)| 2) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40) (or .cse2 .cse0 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse41 .cse5 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) (= |timeShift_processEnvironment_~tmp~2#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40) (or (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse41 (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1)) .cse1)))) [2023-11-23 21:18:16,994 INFO L895 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: (let ((.cse43 (select |#memory_int| 1))) (let ((.cse3 (not (= (select |#length| 12) 25))) (.cse4 (not (= (select .cse43 0) 48))) (.cse5 (not (= 9 (select |#length| 11)))) (.cse7 (not (= 9 (select |#length| 5)))) (.cse8 (not (= 30 (select |#length| 7)))) (.cse9 (not (= 31 (select |#length| 2)))) (.cse10 (not (= (select |#valid| 12) 1))) (.cse11 (not (= 2 (select |#length| 1)))) (.cse12 (not (= 9 (select |#length| 14)))) (.cse6 (not (= 1 ~systemActive~0))) (.cse13 (not (= (select |#length| 15) 25))) (.cse14 (not (= (select |#valid| 6) 1))) (.cse15 (not (= (select |#valid| 3) 1))) (.cse16 (not (= ~head~0.offset 0))) (.cse17 (not (= (select |#valid| 11) 1))) (.cse18 (not (= (select |#length| 9) 21))) (.cse19 (not (= 30 (select |#length| 10)))) (.cse20 (not (= (select |#valid| 15) 1))) (.cse21 (not (= (select |#length| 6) 21))) (.cse22 (not (= 1 (select |#valid| 5)))) (.cse23 (not (= (select |#length| 8) 9))) (.cse24 (not (= (select |#length| 3) 12))) (.cse25 (not (= (select |#valid| 0) 0))) (.cse26 (not (= ~methaneLevelCritical~0 0))) (.cse27 (not (= (select .cse43 1) 0))) (.cse28 (not (= (select |#valid| 1) 1))) (.cse29 (not (= (select |#valid| 8) 1))) (.cse30 (not (= 30 (select |#length| 13)))) (.cse31 (not (= (select |#valid| 4) 1))) (.cse32 (not (= (select |#valid| 7) 1))) (.cse33 (not (= (select |#valid| 10) 1))) (.cse34 (not (= (select |#valid| 14) 1))) (.cse35 (not (= (select |#valid| 13) 1))) (.cse36 (< |#StackHeapBarrier| 1)) (.cse37 (not (= 30 (select |#length| 4)))) (.cse38 (not (= (select |#valid| 2) 1))) (.cse39 (not (= (select |#valid| 9) 1))) (.cse40 (not (= ~head~0.base 0))) (.cse41 (not (= ~cleanupTimeShifts~0 4))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse42 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (not (= |timeShift_processEnvironment_~tmp~2#1| 0)) (= 2 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse3 .cse0 .cse4 .cse5 (forall ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| Int)) (or (< (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|) 0) (and (or .cse6 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1|) (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| 2147483648) 0)) (or (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| 0) .cse6)) (< 2147483647 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|))) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (< |old(~waterLevel~0)| 2) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse1 (= |timeShift_processEnvironment_~tmp~2#1| 1) (= |timeShift_isHighWaterSensorDry_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (or .cse3 .cse0 .cse4 .cse5 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse42 .cse6 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (or (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse42 (and .cse1 (= ~waterLevel~0 1)) .cse2)))) [2023-11-23 21:18:16,995 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2023-11-23 21:18:16,995 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2023-11-23 21:18:16,995 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2023-11-23 21:18:16,995 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 913 945) no Hoare annotation was computed. [2023-11-23 21:18:16,996 INFO L895 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse0 .cse1) (or .cse2 (not (= |old(~waterLevel~0)| 2)) .cse1) (let ((.cse3 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse2 (not (= (select .cse3 0) 48)) (not (= 9 (select |#length| 11))) (forall ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| Int)) (or (< (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|) 0) (let ((.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse4 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1|) (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| 2147483648) 0)) (or (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| 0) .cse4))) (< 2147483647 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (< |old(~waterLevel~0)| 2) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse3 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (< |#StackHeapBarrier| 1) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2023-11-23 21:18:16,996 INFO L899 garLoopResultBuilder]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2023-11-23 21:18:16,996 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-11-23 21:18:16,997 INFO L895 garLoopResultBuilder]: At program point L920(line 920) the Hoare annotation is: (let ((.cse48 (= ~methaneLevelCritical~0 0))) (let ((.cse32 (not .cse48)) (.cse2 (= ~pumpRunning~0 1)) (.cse49 (select |#memory_int| 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (not (= (select |#length| 12) 25))) (.cse10 (not (= (select .cse49 0) 48))) (.cse8 (= ~pumpRunning~0 0)) (.cse11 (not (= 9 (select |#length| 11)))) (.cse13 (not (= 9 (select |#length| 5)))) (.cse14 (not (= 30 (select |#length| 7)))) (.cse15 (not (= 31 (select |#length| 2)))) (.cse16 (not (= (select |#valid| 12) 1))) (.cse17 (not (= 2 (select |#length| 1)))) (.cse18 (not (= 9 (select |#length| 14)))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse12 (not (= 1 ~systemActive~0))) (.cse19 (not (= (select |#length| 15) 25))) (.cse20 (not (= (select |#valid| 6) 1))) (.cse21 (not (= (select |#valid| 3) 1))) (.cse22 (not (= ~head~0.offset 0))) (.cse23 (not (= (select |#valid| 11) 1))) (.cse24 (not (= (select |#length| 9) 21))) (.cse25 (not (= 30 (select |#length| 10)))) (.cse26 (not (= (select |#valid| 15) 1))) (.cse27 (not (= (select |#length| 6) 21))) (.cse28 (not (= 1 (select |#valid| 5)))) (.cse29 (not (= (select |#length| 8) 9))) (.cse30 (not (= (select |#length| 3) 12))) (.cse31 (not (= (select |#valid| 0) 0))) (.cse33 (not (= (select .cse49 1) 0))) (.cse34 (not (= (select |#valid| 1) 1))) (.cse35 (not (= (select |#valid| 8) 1))) (.cse36 (not (= 30 (select |#length| 13)))) (.cse37 (not (= (select |#valid| 4) 1))) (.cse38 (not (= (select |#valid| 7) 1))) (.cse39 (not (= (select |#valid| 10) 1))) (.cse40 (not (= (select |#valid| 14) 1))) (.cse41 (not (= (select |#valid| 13) 1))) (.cse42 (< |#StackHeapBarrier| 1)) (.cse43 (not (= 30 (select |#length| 4)))) (.cse44 (not (= (select |#valid| 2) 1))) (.cse45 (not (= (select |#valid| 9) 1))) (.cse46 (not (= ~head~0.base 0))) (.cse47 (not (= ~cleanupTimeShifts~0 4))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (or .cse32 .cse2)) (.cse7 (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse48)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (let ((.cse6 (= ~waterLevel~0 1))) (or .cse3 .cse4 (and .cse5 .cse6 .cse7) (and .cse8 .cse6) .cse1)) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse0 .cse1) (or .cse9 .cse3 .cse10 .cse11 (forall ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| Int)) (or (< (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|) 0) (and (or .cse12 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1|) (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| 2147483648) 0)) (or (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| 0) .cse12)) (< 2147483647 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|))) .cse13 .cse14 .cse15 (and (= |timeShift_isHighWaterLevel_#res#1| 1) (= |timeShift_isMethaneAlarm_#res#1| 0) (<= 2 ~waterLevel~0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse2) .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (< |old(~waterLevel~0)| 2) .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47) (or .cse9 .cse3 .cse10 .cse8 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse4 .cse12 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47) (or .cse3 (and (= 2 ~waterLevel~0) .cse5 .cse7) (not (= |old(~waterLevel~0)| 2)) .cse1))))) [2023-11-23 21:18:16,997 INFO L899 garLoopResultBuilder]: For program point L920-1(line 920) no Hoare annotation was computed. [2023-11-23 21:18:16,997 INFO L899 garLoopResultBuilder]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2023-11-23 21:18:16,997 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2023-11-23 21:18:16,997 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2023-11-23 21:18:16,998 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 233 256) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse0 .cse1) (let ((.cse3 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse2 (not (= (select .cse3 0) 48)) (not (= 9 (select |#length| 11))) (forall ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| Int)) (or (< (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|) 0) (let ((.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse4 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1|) (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1| 2147483648) 0)) (or (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1| 0) .cse4))) (< 2147483647 |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1|))) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (< |old(~waterLevel~0)| 2) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse3 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (< |#StackHeapBarrier| 1) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or .cse2 (and .cse5 (= 2 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse2 (not (= |old(~waterLevel~0)| 1)) (and .cse5 (= ~waterLevel~0 1)) .cse1))) [2023-11-23 21:18:16,998 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2023-11-23 21:18:16,998 INFO L899 garLoopResultBuilder]: For program point L237-1(lines 236 255) no Hoare annotation was computed. [2023-11-23 21:18:16,999 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2023-11-23 21:18:16,999 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2023-11-23 21:18:16,999 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-11-23 21:18:16,999 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-11-23 21:18:16,999 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-11-23 21:18:17,000 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-11-23 21:18:17,000 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-23 21:18:17,000 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-11-23 21:18:17,000 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-11-23 21:18:17,000 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-23 21:18:17,000 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-11-23 21:18:17,001 INFO L895 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: false [2023-11-23 21:18:17,001 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2023-11-23 21:18:17,001 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2023-11-23 21:18:17,001 INFO L895 garLoopResultBuilder]: At program point L210(lines 165 212) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)))) [2023-11-23 21:18:17,001 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)))) [2023-11-23 21:18:17,002 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-11-23 21:18:17,002 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2023-11-23 21:18:17,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:18:17,002 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:18:17,003 INFO L895 garLoopResultBuilder]: At program point L203-2(lines 195 208) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)) (let ((.cse4 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (not (= |ULTIMATE.start_test_~tmp~1#1| 0)) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= 1 |#StackHeapBarrier|) .cse0 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) .cse1 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (<= 2 ~waterLevel~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) .cse2 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse3 (= (select |#valid| 4) 1) (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (= |ULTIMATE.start_test_~tmp___0~0#1| 0) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= 9 (select |#length| 11)) (= (select .cse4 0) 48) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (= (select |#valid| 6) 1) (= (select .cse4 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647) (= (select |#valid| 13) 1) (= ~cleanupTimeShifts~0 4))))) [2023-11-23 21:18:17,003 INFO L899 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed. [2023-11-23 21:18:17,003 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)))) [2023-11-23 21:18:17,004 INFO L899 garLoopResultBuilder]: For program point L216(lines 155 220) no Hoare annotation was computed. [2023-11-23 21:18:17,005 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2023-11-23 21:18:17,005 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2023-11-23 21:18:17,005 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 423 434) no Hoare annotation was computed. [2023-11-23 21:18:17,005 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 423 434) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 (= 2 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (not (= |old(~waterLevel~0)| 2)) .cse1))) [2023-11-23 21:18:17,008 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:17,009 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:17,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[12] could not be translated [2023-11-23 21:18:17,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-23 21:18:17,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[11] could not be translated [2023-11-23 21:18:17,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1 : int, v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1 : int :: (2147483648 + v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1 < 0 || (((!(1 == ~systemActive~0) || 2147483647 < v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1 + 2147483648 < 0) && (v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1 == 0 || !(1 == ~systemActive~0)))) || 2147483647 < v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1) could not be translated [2023-11-23 21:18:17,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated [2023-11-23 21:18:17,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[7] could not be translated [2023-11-23 21:18:17,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-23 21:18:17,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[12] could not be translated [2023-11-23 21:18:17,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-23 21:18:17,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[14] could not be translated [2023-11-23 21:18:17,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[15] could not be translated [2023-11-23 21:18:17,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[6] could not be translated [2023-11-23 21:18:17,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-23 21:18:17,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[11] could not be translated [2023-11-23 21:18:17,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[9] could not be translated [2023-11-23 21:18:17,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[10] could not be translated [2023-11-23 21:18:17,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[15] could not be translated [2023-11-23 21:18:17,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[6] could not be translated [2023-11-23 21:18:17,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated [2023-11-23 21:18:17,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[8] could not be translated [2023-11-23 21:18:17,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-23 21:18:17,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-23 21:18:17,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-23 21:18:17,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-23 21:18:17,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[8] could not be translated [2023-11-23 21:18:17,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[13] could not be translated [2023-11-23 21:18:17,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated [2023-11-23 21:18:17,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[7] could not be translated [2023-11-23 21:18:17,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[10] could not be translated [2023-11-23 21:18:17,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[14] could not be translated [2023-11-23 21:18:17,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[13] could not be translated [2023-11-23 21:18:17,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated [2023-11-23 21:18:17,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-23 21:18:17,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[9] could not be translated [2023-11-23 21:18:17,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:17 BoogieIcfgContainer [2023-11-23 21:18:17,048 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:17,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:17,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:17,049 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:17,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:38" (3/4) ... [2023-11-23 21:18:17,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:18:17,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 21:18:17,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:18:17,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-23 21:18:17,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:18:17,056 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:18:17,056 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:18:17,074 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2023-11-23 21:18:17,074 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 21:18:17,075 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:18:17,076 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:18:17,076 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:18:17,110 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 1)) || (0 == systemActive)) || (pumpRunning == 1)) && ((((1 < \old(waterLevel)) || (waterLevel <= 1)) || !((\old(pumpRunning) == 1))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || ((pumpRunning == 0) && (waterLevel == 1))) || (0 == systemActive))) [2023-11-23 21:18:17,163 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 1)) || (0 == systemActive)) || (pumpRunning == 1)) && ((((1 < \old(waterLevel)) || (waterLevel <= 1)) || !((\old(pumpRunning) == 1))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || ((pumpRunning == 0) && (waterLevel == 1))) || (0 == systemActive))) [2023-11-23 21:18:17,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:18:17,216 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:18:17,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:17,217 INFO L158 Benchmark]: Toolchain (without parser) took 39859.42ms. Allocated memory was 138.4MB in the beginning and 612.4MB in the end (delta: 474.0MB). Free memory was 105.8MB in the beginning and 278.3MB in the end (delta: -172.5MB). Peak memory consumption was 301.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:17,217 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:17,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.51ms. Allocated memory is still 138.4MB. Free memory was 105.8MB in the beginning and 86.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:17,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.97ms. Allocated memory is still 138.4MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:17,219 INFO L158 Benchmark]: Boogie Preprocessor took 70.77ms. Allocated memory is still 138.4MB. Free memory was 84.5MB in the beginning and 83.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:17,219 INFO L158 Benchmark]: RCFGBuilder took 769.18ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 82.5MB in the beginning and 160.1MB in the end (delta: -77.7MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:17,219 INFO L158 Benchmark]: TraceAbstraction took 38152.91ms. Allocated memory was 188.7MB in the beginning and 612.4MB in the end (delta: 423.6MB). Free memory was 159.2MB in the beginning and 284.6MB in the end (delta: -125.4MB). Peak memory consumption was 308.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:17,220 INFO L158 Benchmark]: Witness Printer took 167.19ms. Allocated memory is still 612.4MB. Free memory was 284.6MB in the beginning and 278.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:18:17,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.51ms. Allocated memory is still 138.4MB. Free memory was 105.8MB in the beginning and 86.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.97ms. Allocated memory is still 138.4MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.77ms. Allocated memory is still 138.4MB. Free memory was 84.5MB in the beginning and 83.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 769.18ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 82.5MB in the beginning and 160.1MB in the end (delta: -77.7MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * TraceAbstraction took 38152.91ms. Allocated memory was 188.7MB in the beginning and 612.4MB in the end (delta: 423.6MB). Free memory was 159.2MB in the beginning and 284.6MB in the end (delta: -125.4MB). Peak memory consumption was 308.7MB. Max. memory is 16.1GB. * Witness Printer took 167.19ms. Allocated memory is still 612.4MB. Free memory was 284.6MB in the beginning and 278.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [153] - GenericResultAtLocation [Line: 221]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [221] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [407] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [502] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] - GenericResultAtLocation [Line: 546]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [546] - GenericResultAtLocation [Line: 912]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[12] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[11] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1 : int, v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1 : int :: (2147483648 + v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1 < 0 || (((!(1 == ~systemActive~0) || 2147483647 < v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_1 + 2147483648 < 0) && (v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1 == 0 || !(1 == ~systemActive~0)))) || 2147483647 < v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_1) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[12] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[14] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[15] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[11] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[9] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[10] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[15] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[13] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[10] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[14] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[13] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[9] could not be translated * 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: 507]: 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 7 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.0s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 672 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 661 mSDsluCounter, 1472 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1095 mSDsCounter, 311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1826 IncrementalHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 311 mSolverCounterUnsat, 377 mSDtfsCounter, 1826 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 368 GetRequests, 219 SyntacticMatches, 10 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2020 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=8, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 81 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 454 PreInvPairs, 528 NumberOfFragments, 2829 HoareAnnotationTreeSize, 454 FomulaSimplifications, 11813 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 18 FomulaSimplificationsInter, 18177 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 1253 SizeOfPredicates, 13 NumberOfNonLiveVariables, 426 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 58/80 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: OVERALL_TIME: 2.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 29, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 23, TOOLS_POST_TIME: 1.3s, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 39, TOOLS_QUANTIFIERELIM_TIME: 2.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 68, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 29, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 275, DAG_COMPRESSION_RETAINED_NODES: 78, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && (2 == waterLevel)) && (tmp == 1)) && (1 == systemActive)) && !((methaneLevelCritical == 0))) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || ((((tmp == 1) && (1 == systemActive)) && (splverifierCounter == 0)) && (pumpRunning == 1))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 1)) || (0 == systemActive)) || (pumpRunning == 1)) && ((((1 < \old(waterLevel)) || (waterLevel <= 1)) || !((\old(pumpRunning) == 1))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || ((pumpRunning == 0) && (waterLevel == 1))) || (0 == systemActive))) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:18:17,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd888a80-cd86-447e-ac91-f966a935a686/bin/utaipan-verify-mE87zJ7Ire/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