./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17e2337fd721ce0bbba718ba7912b3f6432f0e21a2bb22404280d45b14116418 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:02,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:03,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:39:03,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:03,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:03,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:03,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:03,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:03,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:03,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:03,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:03,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:03,151 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:03,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:03,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:03,153 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:03,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:03,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:03,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:03,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:03,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:03,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:03,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:03,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:03,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:03,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:03,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:03,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:03,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:03,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:03,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:03,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:03,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:03,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:03,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:03,162 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:03,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:03,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:03,163 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:03,163 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17e2337fd721ce0bbba718ba7912b3f6432f0e21a2bb22404280d45b14116418 [2023-11-19 07:39:03,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:03,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:03,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:03,505 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:03,505 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:03,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c [2023-11-19 07:39:06,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:06,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:06,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c [2023-11-19 07:39:06,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/data/5a941372d/05dba19604fa44c2abaca45d099277f4/FLAG72d8c91c4 [2023-11-19 07:39:06,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/data/5a941372d/05dba19604fa44c2abaca45d099277f4 [2023-11-19 07:39:06,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:06,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:06,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:06,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:06,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:06,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:06" (1/1) ... [2023-11-19 07:39:06,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a981d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:06, skipping insertion in model container [2023-11-19 07:39:06,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:06" (1/1) ... [2023-11-19 07:39:06,934 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:07,120 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_d057b6b6-5e95-485b-b408-5cba21338ed0/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c[3727,3740] [2023-11-19 07:39:07,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:07,269 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:07,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 07:39:07,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [155] [2023-11-19 07:39:07,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [207] [2023-11-19 07:39:07,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [216] [2023-11-19 07:39:07,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [309] [2023-11-19 07:39:07,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [344] [2023-11-19 07:39:07,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [710] [2023-11-19 07:39:07,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] [2023-11-19 07:39:07,307 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_d057b6b6-5e95-485b-b408-5cba21338ed0/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c[3727,3740] [2023-11-19 07:39:07,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:07,369 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:07,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07 WrapperNode [2023-11-19 07:39:07,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:07,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:07,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:07,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:07,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,421 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 195 [2023-11-19 07:39:07,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:07,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:07,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:07,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:07,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:07,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:07,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:07,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:07,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (1/1) ... [2023-11-19 07:39:07,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:07,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:07,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:07,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:39:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:39:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:39:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:39:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:39:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:39:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:39:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:39:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:39:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:39:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-19 07:39:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-19 07:39:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 07:39:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 07:39:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:39:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:39:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:07,630 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:07,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:07,905 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:07,923 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:07,928 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:39:07,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:07 BoogieIcfgContainer [2023-11-19 07:39:07,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:07,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:07,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:07,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:07,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:06" (1/3) ... [2023-11-19 07:39:07,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39565f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:07, skipping insertion in model container [2023-11-19 07:39:07,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:07" (2/3) ... [2023-11-19 07:39:07,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39565f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:07, skipping insertion in model container [2023-11-19 07:39:07,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:07" (3/3) ... [2023-11-19 07:39:07,942 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product21.cil.c [2023-11-19 07:39:07,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:07,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:39:08,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:39:08,022 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@52c013d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:39:08,023 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:39:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 76 states have internal predecessors, (93), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 07:39:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:39:08,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:08,041 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:08,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:08,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:08,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2049145657, now seen corresponding path program 1 times [2023-11-19 07:39:08,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:08,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133976264] [2023-11-19 07:39:08,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:08,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:39:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:39:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:39:08,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:08,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133976264] [2023-11-19 07:39:08,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133976264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:08,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:08,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:39:08,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094403625] [2023-11-19 07:39:08,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:08,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:39:08,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:08,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:39:08,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:39:08,369 INFO L87 Difference]: Start difference. First operand has 92 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 76 states have internal predecessors, (93), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:39:08,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:08,408 INFO L93 Difference]: Finished difference Result 175 states and 236 transitions. [2023-11-19 07:39:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:39:08,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-19 07:39:08,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:08,427 INFO L225 Difference]: With dead ends: 175 [2023-11-19 07:39:08,427 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 07:39:08,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:39:08,441 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:08,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:08,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 07:39:08,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 07:39:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 68 states have internal predecessors, (79), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:39:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2023-11-19 07:39:08,521 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 32 [2023-11-19 07:39:08,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:08,522 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2023-11-19 07:39:08,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:39:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2023-11-19 07:39:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 07:39:08,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:08,531 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:08,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:39:08,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:08,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:08,534 INFO L85 PathProgramCache]: Analyzing trace with hash 772850612, now seen corresponding path program 1 times [2023-11-19 07:39:08,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:08,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808580357] [2023-11-19 07:39:08,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:08,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:39:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:39:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:39:08,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:08,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808580357] [2023-11-19 07:39:08,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808580357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:08,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:08,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:39:08,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850450200] [2023-11-19 07:39:08,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:08,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:39:08,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:08,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:08,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:08,734 INFO L87 Difference]: Start difference. First operand 83 states and 106 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:39:08,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:08,758 INFO L93 Difference]: Finished difference Result 131 states and 167 transitions. [2023-11-19 07:39:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:39:08,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-11-19 07:39:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:08,761 INFO L225 Difference]: With dead ends: 131 [2023-11-19 07:39:08,762 INFO L226 Difference]: Without dead ends: 74 [2023-11-19 07:39:08,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:08,765 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 12 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:08,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:08,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-19 07:39:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-19 07:39:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:39:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2023-11-19 07:39:08,779 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 33 [2023-11-19 07:39:08,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:08,780 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2023-11-19 07:39:08,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:39:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2023-11-19 07:39:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 07:39:08,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:08,783 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:08,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:39:08,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:08,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:08,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1465151216, now seen corresponding path program 1 times [2023-11-19 07:39:08,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:08,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607995963] [2023-11-19 07:39:08,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:08,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:39:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:39:09,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:09,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607995963] [2023-11-19 07:39:09,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607995963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:09,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:09,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:39:09,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105936749] [2023-11-19 07:39:09,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:09,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:39:09,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:09,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:39:09,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:39:09,031 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:39:09,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:09,190 INFO L93 Difference]: Finished difference Result 140 states and 181 transitions. [2023-11-19 07:39:09,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:39:09,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2023-11-19 07:39:09,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:09,193 INFO L225 Difference]: With dead ends: 140 [2023-11-19 07:39:09,196 INFO L226 Difference]: Without dead ends: 74 [2023-11-19 07:39:09,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:39:09,201 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 173 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:09,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 189 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:39:09,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-19 07:39:09,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-19 07:39:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.290909090909091) internal successors, (71), 62 states have internal predecessors, (71), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:39:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2023-11-19 07:39:09,218 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 37 [2023-11-19 07:39:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:09,219 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2023-11-19 07:39:09,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:39:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2023-11-19 07:39:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 07:39:09,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:09,222 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:09,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:39:09,223 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:09,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:09,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1722600068, now seen corresponding path program 1 times [2023-11-19 07:39:09,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:09,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542237794] [2023-11-19 07:39:09,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:09,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:39:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:39:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:39:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:39:09,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:09,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542237794] [2023-11-19 07:39:09,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542237794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:09,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:09,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:39:09,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479086450] [2023-11-19 07:39:09,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:09,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:39:09,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:09,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:39:09,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:39:09,497 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:39:09,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:09,711 INFO L93 Difference]: Finished difference Result 121 states and 154 transitions. [2023-11-19 07:39:09,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:39:09,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2023-11-19 07:39:09,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:09,713 INFO L225 Difference]: With dead ends: 121 [2023-11-19 07:39:09,714 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:39:09,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:39:09,722 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 50 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:09,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 174 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:39:09,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:39:09,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:39:09,724 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) [2023-11-19 07:39:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:39:09,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2023-11-19 07:39:09,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:09,725 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:39:09,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:39:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:39:09,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:39:09,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:39:09,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:39:09,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:39:09,911 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 875 882) no Hoare annotation was computed. [2023-11-19 07:39:09,911 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 875 882) the Hoare annotation is: true [2023-11-19 07:39:09,911 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 875 882) no Hoare annotation was computed. [2023-11-19 07:39:09,912 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 808 814) no Hoare annotation was computed. [2023-11-19 07:39:09,912 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 808 814) the Hoare annotation is: true [2023-11-19 07:39:09,912 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2023-11-19 07:39:09,912 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 247 258) the Hoare annotation is: true [2023-11-19 07:39:09,912 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2023-11-19 07:39:09,914 INFO L895 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,914 INFO L899 garLoopResultBuilder]: For program point L861-1(lines 842 866) no Hoare annotation was computed. [2023-11-19 07:39:09,915 INFO L895 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,915 INFO L899 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2023-11-19 07:39:09,915 INFO L899 garLoopResultBuilder]: For program point L795-1(lines 795 801) no Hoare annotation was computed. [2023-11-19 07:39:09,915 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 781 807) no Hoare annotation was computed. [2023-11-19 07:39:09,915 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 291 299) no Hoare annotation was computed. [2023-11-19 07:39:09,917 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 794) no Hoare annotation was computed. [2023-11-19 07:39:09,917 INFO L899 garLoopResultBuilder]: For program point L788-2(lines 784 806) no Hoare annotation was computed. [2023-11-19 07:39:09,917 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 858) no Hoare annotation was computed. [2023-11-19 07:39:09,917 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 863) no Hoare annotation was computed. [2023-11-19 07:39:09,917 INFO L895 garLoopResultBuilder]: At program point L173(line 173) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,918 INFO L899 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2023-11-19 07:39:09,918 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-11-19 07:39:09,918 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 223 234) no Hoare annotation was computed. [2023-11-19 07:39:09,918 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 200) no Hoare annotation was computed. [2023-11-19 07:39:09,918 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 203) no Hoare annotation was computed. [2023-11-19 07:39:09,918 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 178 206) no Hoare annotation was computed. [2023-11-19 07:39:09,919 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 208 215) no Hoare annotation was computed. [2023-11-19 07:39:09,919 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 781 807) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,919 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2023-11-19 07:39:09,919 INFO L895 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,920 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,921 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-11-19 07:39:09,924 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 168 177) no Hoare annotation was computed. [2023-11-19 07:39:09,925 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 259 267) no Hoare annotation was computed. [2023-11-19 07:39:09,925 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 781 807) no Hoare annotation was computed. [2023-11-19 07:39:09,925 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 883 893) no Hoare annotation was computed. [2023-11-19 07:39:09,925 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2023-11-19 07:39:09,926 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-11-19 07:39:09,927 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-11-19 07:39:09,927 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-11-19 07:39:09,927 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-11-19 07:39:09,933 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-11-19 07:39:09,934 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-19 07:39:09,934 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-11-19 07:39:09,934 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-11-19 07:39:09,934 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-19 07:39:09,934 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-11-19 07:39:09,935 INFO L895 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:39:09,935 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 118 128) no Hoare annotation was computed. [2023-11-19 07:39:09,935 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 321 327) no Hoare annotation was computed. [2023-11-19 07:39:09,935 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 132 154) no Hoare annotation was computed. [2023-11-19 07:39:09,935 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:39:09,935 INFO L895 garLoopResultBuilder]: At program point L767(lines 720 768) the Hoare annotation is: false [2023-11-19 07:39:09,935 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:39:09,936 INFO L899 garLoopResultBuilder]: For program point L722(lines 721 766) no Hoare annotation was computed. [2023-11-19 07:39:09,936 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 762) no Hoare annotation was computed. [2023-11-19 07:39:09,936 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 109 115) no Hoare annotation was computed. [2023-11-19 07:39:09,936 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:39:09,936 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:39:09,936 INFO L895 garLoopResultBuilder]: At program point L764(lines 721 766) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:39:09,937 INFO L899 garLoopResultBuilder]: For program point L731(lines 731 737) no Hoare annotation was computed. [2023-11-19 07:39:09,937 INFO L899 garLoopResultBuilder]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2023-11-19 07:39:09,937 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 160 167) no Hoare annotation was computed. [2023-11-19 07:39:09,937 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2023-11-19 07:39:09,937 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:39:09,937 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 328 334) no Hoare annotation was computed. [2023-11-19 07:39:09,937 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2023-11-19 07:39:09,937 INFO L895 garLoopResultBuilder]: At program point L757-2(lines 751 762) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:39:09,938 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2023-11-19 07:39:09,938 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2023-11-19 07:39:09,938 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 335 343) no Hoare annotation was computed. [2023-11-19 07:39:09,938 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 747) no Hoare annotation was computed. [2023-11-19 07:39:09,938 INFO L899 garLoopResultBuilder]: For program point L741-1(lines 741 747) no Hoare annotation was computed. [2023-11-19 07:39:09,938 INFO L899 garLoopResultBuilder]: For program point L770(lines 711 774) no Hoare annotation was computed. [2023-11-19 07:39:09,938 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2023-11-19 07:39:09,939 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2023-11-19 07:39:09,939 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 235 246) the Hoare annotation is: true [2023-11-19 07:39:09,939 INFO L895 garLoopResultBuilder]: At program point L830(line 830) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,939 INFO L895 garLoopResultBuilder]: At program point L826(line 826) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,939 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 832) no Hoare annotation was computed. [2023-11-19 07:39:09,939 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 837) no Hoare annotation was computed. [2023-11-19 07:39:09,939 INFO L899 garLoopResultBuilder]: For program point L948(lines 948 952) no Hoare annotation was computed. [2023-11-19 07:39:09,940 INFO L899 garLoopResultBuilder]: For program point L948-2(lines 948 952) no Hoare annotation was computed. [2023-11-19 07:39:09,940 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 300 308) no Hoare annotation was computed. [2023-11-19 07:39:09,940 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 816 840) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,940 INFO L895 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 07:39:09,940 INFO L899 garLoopResultBuilder]: For program point L835-1(lines 816 840) no Hoare annotation was computed. [2023-11-19 07:39:09,940 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 939 957) no Hoare annotation was computed. [2023-11-19 07:39:09,940 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 816 840) no Hoare annotation was computed. [2023-11-19 07:39:09,941 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 894 902) no Hoare annotation was computed. [2023-11-19 07:39:09,941 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 894 902) no Hoare annotation was computed. [2023-11-19 07:39:09,941 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 894 902) the Hoare annotation is: true [2023-11-19 07:39:09,943 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:39:09,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:39:09,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:39:09 BoogieIcfgContainer [2023-11-19 07:39:09,971 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:39:09,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:39:09,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:39:09,972 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:39:09,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:07" (3/4) ... [2023-11-19 07:39:09,974 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:39:09,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 07:39:09,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:39:09,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:39:09,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:39:09,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:39:09,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:39:09,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:39:09,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-19 07:39:09,998 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 07:39:09,998 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:39:09,999 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:39:09,999 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:39:10,000 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:39:10,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) [2023-11-19 07:39:10,076 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) [2023-11-19 07:39:10,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:39:10,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:39:10,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:39:10,136 INFO L158 Benchmark]: Toolchain (without parser) took 3257.47ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 108.1MB in the beginning and 114.0MB in the end (delta: -6.0MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-19 07:39:10,136 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:10,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.96ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 88.5MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:39:10,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.49ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:10,138 INFO L158 Benchmark]: Boogie Preprocessor took 51.91ms. Allocated memory is still 140.5MB. Free memory was 86.4MB in the beginning and 84.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:10,138 INFO L158 Benchmark]: RCFGBuilder took 457.81ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 67.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:39:10,139 INFO L158 Benchmark]: TraceAbstraction took 2035.18ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 67.5MB in the beginning and 121.4MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:10,139 INFO L158 Benchmark]: Witness Printer took 164.26ms. Allocated memory is still 178.3MB. Free memory was 121.4MB in the beginning and 114.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:39:10,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.96ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 88.5MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.49ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.91ms. Allocated memory is still 140.5MB. Free memory was 86.4MB in the beginning and 84.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.81ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 67.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2035.18ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 67.5MB in the beginning and 121.4MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 164.26ms. Allocated memory is still 178.3MB. Free memory was 121.4MB in the beginning and 114.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [155] - GenericResultAtLocation [Line: 207]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [207] - GenericResultAtLocation [Line: 216]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [216] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [309] - GenericResultAtLocation [Line: 344]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [344] - GenericResultAtLocation [Line: 710]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [710] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 212]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 648 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 311 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 337 mSDtfsCounter, 147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 132 PreInvPairs, 138 NumberOfFragments, 182 HoareAnnotationTreeSize, 132 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:39:10,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d057b6b6-5e95-485b-b408-5cba21338ed0/bin/uautomizer-verify-uCwYo4JHxu/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