./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.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_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ --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 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:40,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:40,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:16:40,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:40,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:40,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:40,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:40,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:40,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:40,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:40,769 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:40,770 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:40,771 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:40,776 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:40,776 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:40,777 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:40,778 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:40,779 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:40,779 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:40,780 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:40,780 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:40,781 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:40,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:40,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:40,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:40,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:40,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:40,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:40,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:40,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:40,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:40,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:40,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:40,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:40,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:40,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:40,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:40,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:40,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:40,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:40,803 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:40,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:40,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:40,804 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:40,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:40,805 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_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b [2023-11-19 05:16:41,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:41,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:41,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:41,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:41,104 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:41,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2023-11-19 05:16:44,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:44,370 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:44,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2023-11-19 05:16:44,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/data/7339c2900/f92a718d7ac444e4bb95e6dee1648dff/FLAG15d4a4243 [2023-11-19 05:16:44,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/data/7339c2900/f92a718d7ac444e4bb95e6dee1648dff [2023-11-19 05:16:44,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:44,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:44,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:44,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:44,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:44,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:44,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d4f796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44, skipping insertion in model container [2023-11-19 05:16:44,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:44,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:44,743 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_58796163-ae0b-4032-9591-bb54c481e9e3/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2023-11-19 05:16:44,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:44,888 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:44,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-19 05:16:44,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2023-11-19 05:16:44,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] [2023-11-19 05:16:44,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [197] [2023-11-19 05:16:44,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [281] [2023-11-19 05:16:44,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [308] [2023-11-19 05:16:44,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] [2023-11-19 05:16:44,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [742] [2023-11-19 05:16:44,925 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_58796163-ae0b-4032-9591-bb54c481e9e3/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2023-11-19 05:16:44,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:44,995 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:44,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44 WrapperNode [2023-11-19 05:16:44,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:44,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:44,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:44,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:45,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,049 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 163 [2023-11-19 05:16:45,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:45,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:45,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:45,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:45,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:45,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:45,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:45,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:45,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:45,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:45,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:45,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:45,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 05:16:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 05:16:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 05:16:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 05:16:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 05:16:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 05:16:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 05:16:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 05:16:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 05:16:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 05:16:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 05:16:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 05:16:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:45,308 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:45,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:45,661 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:45,770 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:45,771 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:16:45,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:45 BoogieIcfgContainer [2023-11-19 05:16:45,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:45,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:45,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:45,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:45,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:44" (1/3) ... [2023-11-19 05:16:45,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c857d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:45, skipping insertion in model container [2023-11-19 05:16:45,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44" (2/3) ... [2023-11-19 05:16:45,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c857d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:45, skipping insertion in model container [2023-11-19 05:16:45,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:45" (3/3) ... [2023-11-19 05:16:45,788 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2023-11-19 05:16:45,807 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:45,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:45,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:45,881 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;@44f2fbae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:45,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 41 states have internal predecessors, (50), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 05:16:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 05:16:45,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:45,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:45,896 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:45,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:45,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1160414124, now seen corresponding path program 1 times [2023-11-19 05:16:45,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:45,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097497110] [2023-11-19 05:16:45,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:45,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:16:46,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:46,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097497110] [2023-11-19 05:16:46,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097497110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:46,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:46,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:16:46,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264580026] [2023-11-19 05:16:46,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:46,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:16:46,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:46,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:16:46,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:16:46,138 INFO L87 Difference]: Start difference. First operand has 52 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 41 states have internal predecessors, (50), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:46,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:46,235 INFO L93 Difference]: Finished difference Result 102 states and 141 transitions. [2023-11-19 05:16:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:16:46,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-19 05:16:46,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:46,265 INFO L225 Difference]: With dead ends: 102 [2023-11-19 05:16:46,265 INFO L226 Difference]: Without dead ends: 47 [2023-11-19 05:16:46,269 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 [2023-11-19 05:16:46,273 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:46,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:16:46,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-19 05:16:46,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-19 05:16:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 37 states have internal predecessors, (42), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:16:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2023-11-19 05:16:46,349 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12 [2023-11-19 05:16:46,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:46,349 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2023-11-19 05:16:46,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:46,350 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-19 05:16:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 05:16:46,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:46,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:46,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:16:46,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:46,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:46,354 INFO L85 PathProgramCache]: Analyzing trace with hash 389498523, now seen corresponding path program 1 times [2023-11-19 05:16:46,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:46,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359215869] [2023-11-19 05:16:46,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:46,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:16:46,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:46,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359215869] [2023-11-19 05:16:46,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359215869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:46,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:46,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:16:46,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318108731] [2023-11-19 05:16:46,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:46,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:16:46,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:46,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:16:46,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:16:46,484 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:46,540 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2023-11-19 05:16:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:16:46,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-19 05:16:46,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:46,542 INFO L225 Difference]: With dead ends: 66 [2023-11-19 05:16:46,543 INFO L226 Difference]: Without dead ends: 39 [2023-11-19 05:16:46,543 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 [2023-11-19 05:16:46,545 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 14 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:46,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 59 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:16:46,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-19 05:16:46,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-19 05:16:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 05:16:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2023-11-19 05:16:46,554 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 13 [2023-11-19 05:16:46,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:46,555 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2023-11-19 05:16:46,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-19 05:16:46,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 05:16:46,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:46,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:46,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:16:46,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:46,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:46,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1951355093, now seen corresponding path program 1 times [2023-11-19 05:16:46,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:46,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048225301] [2023-11-19 05:16:46,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:46,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:16:46,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:46,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048225301] [2023-11-19 05:16:46,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048225301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:46,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:46,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:16:46,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615973092] [2023-11-19 05:16:46,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:46,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:16:46,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:46,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:16:46,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:16:46,686 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:46,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:46,797 INFO L93 Difference]: Finished difference Result 119 states and 160 transitions. [2023-11-19 05:16:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:16:46,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-19 05:16:46,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:46,800 INFO L225 Difference]: With dead ends: 119 [2023-11-19 05:16:46,800 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 05:16:46,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:16:46,802 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 63 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:46,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 106 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:16:46,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 05:16:46,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 65. [2023-11-19 05:16:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 53 states have internal predecessors, (61), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (12), 8 states have call predecessors, (12), 11 states have call successors, (12) [2023-11-19 05:16:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2023-11-19 05:16:46,820 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 16 [2023-11-19 05:16:46,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:46,820 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2023-11-19 05:16:46,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-11-19 05:16:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:16:46,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:46,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:46,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:16:46,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:46,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:46,824 INFO L85 PathProgramCache]: Analyzing trace with hash -528282462, now seen corresponding path program 1 times [2023-11-19 05:16:46,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:46,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538445612] [2023-11-19 05:16:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:46,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:16:46,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:46,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538445612] [2023-11-19 05:16:46,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538445612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:46,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:46,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:16:47,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318843822] [2023-11-19 05:16:47,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:47,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:16:47,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:47,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:16:47,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:16:47,002 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:47,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:47,045 INFO L93 Difference]: Finished difference Result 119 states and 157 transitions. [2023-11-19 05:16:47,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:16:47,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-19 05:16:47,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:47,049 INFO L225 Difference]: With dead ends: 119 [2023-11-19 05:16:47,050 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:16:47,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:16:47,059 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 22 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:47,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 48 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:16:47,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:16:47,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:16:47,060 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 05:16:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:16:47,061 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-19 05:16:47,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:47,061 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:16:47,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:16:47,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:16:47,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:16:47,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:16:47,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:16:47,223 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 813 820) no Hoare annotation was computed. [2023-11-19 05:16:47,224 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 813 820) the Hoare annotation is: true [2023-11-19 05:16:47,225 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2023-11-19 05:16:47,225 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2023-11-19 05:16:47,225 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 228 239) the Hoare annotation is: true [2023-11-19 05:16:47,225 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 228 239) no Hoare annotation was computed. [2023-11-19 05:16:47,226 INFO L895 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-11-19 05:16:47,226 INFO L899 garLoopResultBuilder]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2023-11-19 05:16:47,226 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-11-19 05:16:47,226 INFO L899 garLoopResultBuilder]: For program point L759-1(lines 759 765) no Hoare annotation was computed. [2023-11-19 05:16:47,226 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 796) no Hoare annotation was computed. [2023-11-19 05:16:47,226 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 801) no Hoare annotation was computed. [2023-11-19 05:16:47,227 INFO L899 garLoopResultBuilder]: For program point L752-1(lines 751 770) no Hoare annotation was computed. [2023-11-19 05:16:47,228 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 748 771) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 05:16:47,228 INFO L895 garLoopResultBuilder]: At program point L794(line 794) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 05:16:47,229 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 05:16:47,230 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2023-11-19 05:16:47,230 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2023-11-19 05:16:47,230 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2023-11-19 05:16:47,230 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 304) no Hoare annotation was computed. [2023-11-19 05:16:47,231 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 283 307) no Hoare annotation was computed. [2023-11-19 05:16:47,231 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-11-19 05:16:47,231 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2023-11-19 05:16:47,232 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-11-19 05:16:47,232 INFO L899 garLoopResultBuilder]: For program point L115(lines 90 119) no Hoare annotation was computed. [2023-11-19 05:16:47,232 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2023-11-19 05:16:47,232 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 90 119) the Hoare annotation is: true [2023-11-19 05:16:47,232 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2023-11-19 05:16:47,232 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2023-11-19 05:16:47,233 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2023-11-19 05:16:47,233 INFO L899 garLoopResultBuilder]: For program point L737(lines 676 741) no Hoare annotation was computed. [2023-11-19 05:16:47,233 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2023-11-19 05:16:47,233 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2023-11-19 05:16:47,234 INFO L895 garLoopResultBuilder]: At program point L734(lines 685 735) the Hoare annotation is: false [2023-11-19 05:16:47,234 INFO L895 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: false [2023-11-19 05:16:47,234 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-11-19 05:16:47,234 INFO L895 garLoopResultBuilder]: At program point L722-2(lines 716 729) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 05:16:47,235 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 712) no Hoare annotation was computed. [2023-11-19 05:16:47,235 INFO L899 garLoopResultBuilder]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2023-11-19 05:16:47,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:16:47,236 INFO L895 garLoopResultBuilder]: At program point L731(lines 686 733) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 05:16:47,237 INFO L895 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 05:16:47,237 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:16:47,237 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2023-11-19 05:16:47,238 INFO L899 garLoopResultBuilder]: For program point L881-1(lines 881 887) no Hoare annotation was computed. [2023-11-19 05:16:47,238 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2023-11-19 05:16:47,238 INFO L899 garLoopResultBuilder]: For program point L687(lines 686 733) no Hoare annotation was computed. [2023-11-19 05:16:47,238 INFO L899 garLoopResultBuilder]: For program point L175-2(lines 175 182) no Hoare annotation was computed. [2023-11-19 05:16:47,239 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 729) no Hoare annotation was computed. [2023-11-19 05:16:47,240 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 05:16:47,242 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 216 227) no Hoare annotation was computed. [2023-11-19 05:16:47,243 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 216 227) the Hoare annotation is: true [2023-11-19 05:16:47,247 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 05:16:47,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:16:47,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:16:47 BoogieIcfgContainer [2023-11-19 05:16:47,262 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:16:47,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:16:47,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:16:47,264 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:16:47,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:45" (3/4) ... [2023-11-19 05:16:47,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:16:47,269 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 05:16:47,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 05:16:47,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 05:16:47,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 05:16:47,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 05:16:47,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 05:16:47,278 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-19 05:16:47,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 05:16:47,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 05:16:47,280 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:16:47,280 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:16:47,308 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-19 05:16:47,336 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-19 05:16:47,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:16:47,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:16:47,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:16:47,384 INFO L158 Benchmark]: Toolchain (without parser) took 2980.85ms. Allocated memory is still 169.9MB. Free memory was 139.3MB in the beginning and 76.1MB in the end (delta: 63.2MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2023-11-19 05:16:47,385 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:47,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.62ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 120.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 05:16:47,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.02ms. Allocated memory is still 169.9MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:47,386 INFO L158 Benchmark]: Boogie Preprocessor took 46.35ms. Allocated memory is still 169.9MB. Free memory was 117.9MB in the beginning and 116.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:47,386 INFO L158 Benchmark]: RCFGBuilder took 680.23ms. Allocated memory is still 169.9MB. Free memory was 116.4MB in the beginning and 94.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 05:16:47,387 INFO L158 Benchmark]: TraceAbstraction took 1481.53ms. Allocated memory is still 169.9MB. Free memory was 94.4MB in the beginning and 83.4MB in the end (delta: 11.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:47,387 INFO L158 Benchmark]: Witness Printer took 120.65ms. Allocated memory is still 169.9MB. Free memory was 83.4MB in the beginning and 76.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:16:47,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.62ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 120.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.02ms. Allocated memory is still 169.9MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.35ms. Allocated memory is still 169.9MB. Free memory was 117.9MB in the beginning and 116.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.23ms. Allocated memory is still 169.9MB. Free memory was 116.4MB in the beginning and 94.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1481.53ms. Allocated memory is still 169.9MB. Free memory was 94.4MB in the beginning and 83.4MB in the end (delta: 11.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 120.65ms. Allocated memory is still 169.9MB. Free memory was 83.4MB in the beginning and 76.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [197] - GenericResultAtLocation [Line: 281]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [281] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [308] - GenericResultAtLocation [Line: 674]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] - GenericResultAtLocation [Line: 742]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [742] * 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: 193]: 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, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 152 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 83 PreInvPairs, 91 NumberOfFragments, 67 HoareAnnotationTreeSize, 83 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 197 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 05:16:47,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58796163-ae0b-4032-9591-bb54c481e9e3/bin/utaipan-verify-t7M7D8N6sZ/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