./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b31717b9bd1ac5cd1350f18acb90cf1947e367b4bc98f1fbfc3c2d7d8e7480dc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:18:25,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:18:25,772 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:18:25,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:18:25,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:18:25,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:18:25,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:18:25,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:18:25,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:18:25,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:18:25,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:18:25,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:18:25,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:18:25,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:18:25,812 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:18:25,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:18:25,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:18:25,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:18:25,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:18:25,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:18:25,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:18:25,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:18:25,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:18:25,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:18:25,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:18:25,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:18:25,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:18:25,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:18:25,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:18:25,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:18:25,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:18:25,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:18:25,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:18:25,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:18:25,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:18:25,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:18:25,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:18:25,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:18:25,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:18:25,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:18:25,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:18:25,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:18:25,826 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b31717b9bd1ac5cd1350f18acb90cf1947e367b4bc98f1fbfc3c2d7d8e7480dc [2024-11-09 23:18:26,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:18:26,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:18:26,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:18:26,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:18:26,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:18:26,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2024-11-09 23:18:27,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:18:27,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:18:27,805 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2024-11-09 23:18:27,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c27a1095/98fe7bce7603433e8812d85d360f4102/FLAG9b61d2fbf [2024-11-09 23:18:28,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c27a1095/98fe7bce7603433e8812d85d360f4102 [2024-11-09 23:18:28,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:18:28,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:18:28,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:18:28,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:18:28,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:18:28,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34eb0932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28, skipping insertion in model container [2024-11-09 23:18:28,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:18:28,502 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c[16991,17004] [2024-11-09 23:18:28,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:18:28,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:18:28,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-11-09 23:18:28,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] [2024-11-09 23:18:28,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] [2024-11-09 23:18:28,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [315] [2024-11-09 23:18:28,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [681] [2024-11-09 23:18:28,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761] [2024-11-09 23:18:28,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [861] [2024-11-09 23:18:28,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [870] [2024-11-09 23:18:28,600 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c[16991,17004] [2024-11-09 23:18:28,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:18:28,622 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:18:28,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28 WrapperNode [2024-11-09 23:18:28,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:18:28,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:18:28,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:18:28,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:18:28,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,673 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 147 [2024-11-09 23:18:28,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:18:28,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:18:28,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:18:28,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:18:28,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,707 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 23:18:28,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,715 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:18:28,720 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:18:28,721 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:18:28,721 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:18:28,721 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2024-11-09 23:18:28,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:18:28,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:18:28,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:18:28,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:18:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:18:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 23:18:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 23:18:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 23:18:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 23:18:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 23:18:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 23:18:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-09 23:18:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-09 23:18:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:18:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 23:18:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 23:18:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:18:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:18:28,888 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:18:28,892 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:18:29,012 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L758-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-09 23:18:29,103 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L858-1: main_#res#1 := main_~retValue_acc~7#1; [2024-11-09 23:18:29,103 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L902-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2024-11-09 23:18:29,111 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L253: #res := ~retValue_acc~1; [2024-11-09 23:18:29,132 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 23:18:29,132 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:18:29,146 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:18:29,146 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:18:29,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:18:29 BoogieIcfgContainer [2024-11-09 23:18:29,147 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:18:29,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:18:29,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:18:29,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:18:29,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:18:28" (1/3) ... [2024-11-09 23:18:29,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46290827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:18:29, skipping insertion in model container [2024-11-09 23:18:29,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (2/3) ... [2024-11-09 23:18:29,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46290827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:18:29, skipping insertion in model container [2024-11-09 23:18:29,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:18:29" (3/3) ... [2024-11-09 23:18:29,155 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2024-11-09 23:18:29,169 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:18:29,170 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:18:29,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:18:29,232 INFO L333 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, 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;@12cefe02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:18:29,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:18:29,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 66 states have internal predecessors, (83), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 23:18:29,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 23:18:29,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:18:29,245 INFO L215 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] [2024-11-09 23:18:29,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:18:29,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:18:29,249 INFO L85 PathProgramCache]: Analyzing trace with hash -582822577, now seen corresponding path program 1 times [2024-11-09 23:18:29,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:18:29,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866288789] [2024-11-09 23:18:29,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:18:29,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:18:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:29,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 23:18:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:29,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:18:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 23:18:29,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:18:29,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866288789] [2024-11-09 23:18:29,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866288789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:18:29,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:18:29,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 23:18:29,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222805694] [2024-11-09 23:18:29,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:18:29,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:18:29,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:18:29,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:18:29,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 23:18:29,490 INFO L87 Difference]: Start difference. First operand has 77 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 66 states have internal predecessors, (83), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2024-11-09 23:18:29,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:18:29,512 INFO L93 Difference]: Finished difference Result 144 states and 191 transitions. [2024-11-09 23:18:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:18:29,513 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 34 [2024-11-09 23:18:29,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:18:29,519 INFO L225 Difference]: With dead ends: 144 [2024-11-09 23:18:29,520 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 23:18:29,523 INFO L431 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 [2024-11-09 23:18:29,526 INFO L432 NwaCegarLoop]: 92 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, 92 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 [2024-11-09 23:18:29,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:18:29,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 23:18:29,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 23:18:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 56 states have internal predecessors, (67), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 23:18:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2024-11-09 23:18:29,591 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 34 [2024-11-09 23:18:29,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:18:29,591 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2024-11-09 23:18:29,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2024-11-09 23:18:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2024-11-09 23:18:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 23:18:29,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:18:29,596 INFO L215 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] [2024-11-09 23:18:29,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:18:29,596 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:18:29,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:18:29,611 INFO L85 PathProgramCache]: Analyzing trace with hash -172276835, now seen corresponding path program 1 times [2024-11-09 23:18:29,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:18:29,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255988393] [2024-11-09 23:18:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:18:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:18:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:29,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 23:18:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:29,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:18:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 23:18:29,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:18:29,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255988393] [2024-11-09 23:18:29,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255988393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:18:29,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:18:29,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:18:29,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529607332] [2024-11-09 23:18:29,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:18:29,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:18:29,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:18:29,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:18:29,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:18:29,920 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-09 23:18:30,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:18:30,103 INFO L93 Difference]: Finished difference Result 235 states and 308 transitions. [2024-11-09 23:18:30,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:18:30,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 39 [2024-11-09 23:18:30,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:18:30,109 INFO L225 Difference]: With dead ends: 235 [2024-11-09 23:18:30,111 INFO L226 Difference]: Without dead ends: 177 [2024-11-09 23:18:30,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 23:18:30,114 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 130 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:18:30,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 397 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:18:30,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-09 23:18:30,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 165. [2024-11-09 23:18:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 128 states have (on average 1.296875) internal successors, (166), 135 states have internal predecessors, (166), 24 states have call successors, (24), 15 states have call predecessors, (24), 12 states have return successors, (24), 21 states have call predecessors, (24), 21 states have call successors, (24) [2024-11-09 23:18:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 214 transitions. [2024-11-09 23:18:30,159 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 214 transitions. Word has length 39 [2024-11-09 23:18:30,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:18:30,160 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 214 transitions. [2024-11-09 23:18:30,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-09 23:18:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 214 transitions. [2024-11-09 23:18:30,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 23:18:30,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:18:30,164 INFO L215 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] [2024-11-09 23:18:30,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:18:30,164 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:18:30,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:18:30,165 INFO L85 PathProgramCache]: Analyzing trace with hash -572385254, now seen corresponding path program 1 times [2024-11-09 23:18:30,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:18:30,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886621690] [2024-11-09 23:18:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:18:30,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:18:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:30,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 23:18:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:30,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 23:18:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:18:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 23:18:30,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:18:30,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886621690] [2024-11-09 23:18:30,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886621690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:18:30,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:18:30,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:18:30,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882411172] [2024-11-09 23:18:30,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:18:30,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:18:30,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:18:30,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:18:30,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:18:30,327 INFO L87 Difference]: Start difference. First operand 165 states and 214 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 23:18:30,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:18:30,444 INFO L93 Difference]: Finished difference Result 309 states and 414 transitions. [2024-11-09 23:18:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:18:30,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2024-11-09 23:18:30,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:18:30,446 INFO L225 Difference]: With dead ends: 309 [2024-11-09 23:18:30,446 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 23:18:30,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:18:30,452 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 42 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:18:30,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 242 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:18:30,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 23:18:30,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 23:18:30,456 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) [2024-11-09 23:18:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 23:18:30,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2024-11-09 23:18:30,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:18:30,457 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 23:18:30,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 23:18:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 23:18:30,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 23:18:30,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 23:18:30,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:18:30,465 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 23:18:30,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 23:18:30,799 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 23:18:30,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:18:30 BoogieIcfgContainer [2024-11-09 23:18:30,828 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 23:18:30,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 23:18:30,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 23:18:30,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 23:18:30,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:18:29" (3/4) ... [2024-11-09 23:18:30,832 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-09 23:18:30,836 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 23:18:30,836 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 23:18:30,836 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 23:18:30,837 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 23:18:30,837 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-09 23:18:30,841 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-09 23:18:30,842 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 23:18:30,842 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 23:18:30,842 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 23:18:30,842 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 23:18:30,996 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 23:18:30,997 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 23:18:30,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 23:18:30,997 INFO L158 Benchmark]: Toolchain (without parser) took 2841.11ms. Allocated memory is still 180.4MB. Free memory was 150.6MB in the beginning and 148.3MB in the end (delta: 2.3MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2024-11-09 23:18:30,998 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:18:30,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.89ms. Allocated memory is still 180.4MB. Free memory was 150.6MB in the beginning and 130.2MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 23:18:30,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.30ms. Allocated memory is still 180.4MB. Free memory was 130.2MB in the beginning and 128.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:18:30,998 INFO L158 Benchmark]: Boogie Preprocessor took 45.12ms. Allocated memory is still 180.4MB. Free memory was 128.0MB in the beginning and 126.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:18:30,999 INFO L158 Benchmark]: IcfgBuilder took 426.72ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 109.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 23:18:30,999 INFO L158 Benchmark]: TraceAbstraction took 1678.81ms. Allocated memory is still 180.4MB. Free memory was 108.2MB in the beginning and 71.0MB in the end (delta: 37.1MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-11-09 23:18:30,999 INFO L158 Benchmark]: Witness Printer took 168.47ms. Allocated memory is still 180.4MB. Free memory was 71.0MB in the beginning and 148.3MB in the end (delta: -77.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-09 23:18:31,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.89ms. Allocated memory is still 180.4MB. Free memory was 150.6MB in the beginning and 130.2MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.30ms. Allocated memory is still 180.4MB. Free memory was 130.2MB in the beginning and 128.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.12ms. Allocated memory is still 180.4MB. Free memory was 128.0MB in the beginning and 126.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 426.72ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 109.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1678.81ms. Allocated memory is still 180.4MB. Free memory was 108.2MB in the beginning and 71.0MB in the end (delta: 37.1MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Witness Printer took 168.47ms. Allocated memory is still 180.4MB. Free memory was 71.0MB in the beginning and 148.3MB in the end (delta: -77.3MB). Peak memory consumption was 6.6MB. 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] - GenericResultAtLocation [Line: 176]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] - GenericResultAtLocation [Line: 315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [315] - GenericResultAtLocation [Line: 681]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [681] - GenericResultAtLocation [Line: 761]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761] - GenericResultAtLocation [Line: 861]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [861] - GenericResultAtLocation [Line: 870]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [870] * 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: 866]: 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 6 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 731 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 483 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 248 mSDtfsCounter, 113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 773]: Location Invariant Derived location invariant: null - InvariantResult [Line: 118]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 708]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 763]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 186]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 696]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 247]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 23:18:31,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE