./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_product11.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 a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:55:09,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:55:09,497 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:55:09,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:55:09,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:55:09,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:55:09,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:55:09,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:55:09,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:55:09,529 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:55:09,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:55:09,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:55:09,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:55:09,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:55:09,532 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:55:09,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:55:09,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:55:09,533 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:55:09,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:55:09,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:55:09,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:55:09,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:55:09,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:55:09,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:55:09,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:55:09,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:55:09,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:55:09,538 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:55:09,538 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:55:09,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:55:09,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:55:09,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:55:09,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:55:09,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:55:09,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:55:09,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:55:09,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:55:09,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:55:09,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:55:09,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:55:09,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:55:09,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:55:09,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa [2024-11-16 07:55:09,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:55:09,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:55:09,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:55:09,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:55:09,777 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:55:09,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2024-11-16 07:55:11,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:55:11,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:55:11,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2024-11-16 07:55:11,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392ab99ce/6c2699f798e84e569eb8381e78281126/FLAG8cea015d5 [2024-11-16 07:55:11,609 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392ab99ce/6c2699f798e84e569eb8381e78281126 [2024-11-16 07:55:11,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:55:11,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:55:11,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:55:11,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:55:11,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:55:11,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:11" (1/1) ... [2024-11-16 07:55:11,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4a149d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:11, skipping insertion in model container [2024-11-16 07:55:11,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:11" (1/1) ... [2024-11-16 07:55:11,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:55:11,811 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_product11.cil.c[2807,2820] [2024-11-16 07:55:11,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:55:11,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:55:11,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-16 07:55:11,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] [2024-11-16 07:55:11,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [144] [2024-11-16 07:55:11,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [248] [2024-11-16 07:55:11,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [283] [2024-11-16 07:55:11,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [432] [2024-11-16 07:55:11,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [499] [2024-11-16 07:55:11,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [865] [2024-11-16 07:55:11,937 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_product11.cil.c[2807,2820] [2024-11-16 07:55:11,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:55:12,018 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:55:12,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12 WrapperNode [2024-11-16 07:55:12,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:55:12,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:55:12,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:55:12,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:55:12,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,080 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 144 [2024-11-16 07:55:12,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:55:12,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:55:12,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:55:12,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:55:12,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,118 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]. [2024-11-16 07:55:12,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:55:12,133 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:55:12,133 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:55:12,133 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:55:12,134 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (1/1) ... [2024-11-16 07:55:12,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:55:12,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:55:12,164 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) [2024-11-16 07:55:12,166 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 [2024-11-16 07:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:55:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:55:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-16 07:55:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-16 07:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-16 07:55:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-16 07:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-16 07:55:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-16 07:55:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:55:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:55:12,265 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:55:12,267 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:55:12,343 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-16 07:55:12,413 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L280-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2024-11-16 07:55:12,413 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L245-1: main_#res#1 := main_~retValue_acc~2#1; [2024-11-16 07:55:12,419 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L378: #res := ~retValue_acc~6; [2024-11-16 07:55:12,435 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-16 07:55:12,435 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:55:12,446 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:55:12,446 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:55:12,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:12 BoogieIcfgContainer [2024-11-16 07:55:12,447 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:55:12,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:55:12,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:55:12,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:55:12,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:55:11" (1/3) ... [2024-11-16 07:55:12,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c6874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:12, skipping insertion in model container [2024-11-16 07:55:12,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:12" (2/3) ... [2024-11-16 07:55:12,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c6874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:12, skipping insertion in model container [2024-11-16 07:55:12,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:12" (3/3) ... [2024-11-16 07:55:12,460 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2024-11-16 07:55:12,477 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:55:12,477 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:55:12,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:55:12,545 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;@d90dc8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:55:12,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:55:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 67 states have internal predecessors, (84), 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) [2024-11-16 07:55:12,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-16 07:55:12,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:12,565 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] [2024-11-16 07:55:12,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:12,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:12,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1549193066, now seen corresponding path program 1 times [2024-11-16 07:55:12,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:12,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171611049] [2024-11-16 07:55:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:12,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:12,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 07:55:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:12,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:55:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:12,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:12,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171611049] [2024-11-16 07:55:12,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171611049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:12,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:12,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:55:12,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112599672] [2024-11-16 07:55:12,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:12,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:55:12,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:12,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:55:12,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:55:12,798 INFO L87 Difference]: Start difference. First operand has 78 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 67 states have internal predecessors, (84), 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) [2024-11-16 07:55:12,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:12,818 INFO L93 Difference]: Finished difference Result 146 states and 193 transitions. [2024-11-16 07:55:12,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:55:12,820 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 [2024-11-16 07:55:12,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:12,826 INFO L225 Difference]: With dead ends: 146 [2024-11-16 07:55:12,826 INFO L226 Difference]: Without dead ends: 67 [2024-11-16 07:55:12,829 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 [2024-11-16 07:55:12,832 INFO L432 NwaCegarLoop]: 93 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, 93 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 [2024-11-16 07:55:12,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:55:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-16 07:55:12,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-16 07:55:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 57 states have internal predecessors, (68), 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) [2024-11-16 07:55:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2024-11-16 07:55:12,865 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 34 [2024-11-16 07:55:12,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:12,866 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2024-11-16 07:55:12,866 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) [2024-11-16 07:55:12,866 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2024-11-16 07:55:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-16 07:55:12,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:12,868 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] [2024-11-16 07:55:12,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:55:12,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:12,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:12,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1337876175, now seen corresponding path program 1 times [2024-11-16 07:55:12,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:12,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996962313] [2024-11-16 07:55:12,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:12,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 07:55:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:55:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:13,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:13,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996962313] [2024-11-16 07:55:13,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996962313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:13,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:13,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:55:13,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408433788] [2024-11-16 07:55:13,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:13,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:55:13,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:13,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:55:13,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:55:13,027 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 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) [2024-11-16 07:55:13,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:13,072 INFO L93 Difference]: Finished difference Result 184 states and 235 transitions. [2024-11-16 07:55:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:55:13,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 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 [2024-11-16 07:55:13,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:13,078 INFO L225 Difference]: With dead ends: 184 [2024-11-16 07:55:13,079 INFO L226 Difference]: Without dead ends: 125 [2024-11-16 07:55:13,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:55:13,082 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 57 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:55:13,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 155 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:55:13,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-16 07:55:13,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 119. [2024-11-16 07:55:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.2765957446808511) internal successors, (120), 99 states have internal predecessors, (120), 16 states have call successors, (16), 10 states have call predecessors, (16), 8 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 07:55:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2024-11-16 07:55:13,102 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 39 [2024-11-16 07:55:13,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:13,102 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2024-11-16 07:55:13,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 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) [2024-11-16 07:55:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2024-11-16 07:55:13,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-16 07:55:13,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:13,104 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] [2024-11-16 07:55:13,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:55:13,104 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:13,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:13,104 INFO L85 PathProgramCache]: Analyzing trace with hash -982430129, now seen corresponding path program 1 times [2024-11-16 07:55:13,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:13,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225308155] [2024-11-16 07:55:13,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:13,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 07:55:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 07:55:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:13,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:13,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225308155] [2024-11-16 07:55:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225308155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:13,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:13,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:55:13,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54397944] [2024-11-16 07:55:13,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:13,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:55:13,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:13,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:55:13,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:55:13,180 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-16 07:55:13,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:13,193 INFO L93 Difference]: Finished difference Result 166 states and 207 transitions. [2024-11-16 07:55:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:55:13,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 38 [2024-11-16 07:55:13,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:13,194 INFO L225 Difference]: With dead ends: 166 [2024-11-16 07:55:13,195 INFO L226 Difference]: Without dead ends: 97 [2024-11-16 07:55:13,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:55:13,196 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 16 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:55:13,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 114 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:55:13,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-16 07:55:13,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-16 07:55:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 83 states have internal predecessors, (102), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-16 07:55:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2024-11-16 07:55:13,208 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 38 [2024-11-16 07:55:13,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:13,211 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2024-11-16 07:55:13,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-16 07:55:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2024-11-16 07:55:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-16 07:55:13,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:13,213 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] [2024-11-16 07:55:13,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:55:13,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:13,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:13,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1306210280, now seen corresponding path program 1 times [2024-11-16 07:55:13,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:13,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529610427] [2024-11-16 07:55:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:13,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 07:55:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:55:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:13,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:13,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529610427] [2024-11-16 07:55:13,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529610427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:13,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:13,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 07:55:13,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150106134] [2024-11-16 07:55:13,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:13,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 07:55:13,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:13,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 07:55:13,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 07:55:13,410 INFO L87 Difference]: Start difference. First operand 97 states and 122 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 07:55:13,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:13,736 INFO L93 Difference]: Finished difference Result 305 states and 400 transitions. [2024-11-16 07:55:13,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 07:55:13,736 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 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 40 [2024-11-16 07:55:13,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:13,737 INFO L225 Difference]: With dead ends: 305 [2024-11-16 07:55:13,737 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 07:55:13,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-16 07:55:13,739 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 97 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:55:13,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 681 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 07:55:13,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 07:55:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 07:55:13,741 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) [2024-11-16 07:55:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 07:55:13,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2024-11-16 07:55:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:13,741 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 07:55:13,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 07:55:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 07:55:13,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 07:55:13,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 07:55:13,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:55:13,746 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 07:55:13,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 07:55:14,102 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 07:55:14,144 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) Eliminated clause: (exists ((|old(~switchedOnBeforeTS~0)| Int)) (and (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0)))) [2024-11-16 07:55:14,145 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-16 07:55:14,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:55:14 BoogieIcfgContainer [2024-11-16 07:55:14,149 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 07:55:14,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 07:55:14,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 07:55:14,149 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 07:55:14,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:12" (3/4) ... [2024-11-16 07:55:14,152 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 07:55:14,155 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-16 07:55:14,155 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-16 07:55:14,156 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-16 07:55:14,156 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-16 07:55:14,156 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-16 07:55:14,162 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-16 07:55:14,163 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-16 07:55:14,163 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 07:55:14,164 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:55:14,164 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:55:14,253 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 07:55:14,253 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 07:55:14,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 07:55:14,254 INFO L158 Benchmark]: Toolchain (without parser) took 2641.71ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 97.1MB in the beginning and 158.7MB in the end (delta: -61.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:55:14,254 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:55:14,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.57ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 124.6MB in the end (delta: -27.5MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-16 07:55:14,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.20ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 124.6MB in the beginning and 187.2MB in the end (delta: -62.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:14,255 INFO L158 Benchmark]: Boogie Preprocessor took 49.47ms. Allocated memory is still 216.0MB. Free memory was 187.2MB in the beginning and 185.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:14,255 INFO L158 Benchmark]: IcfgBuilder took 314.04ms. Allocated memory is still 216.0MB. Free memory was 185.1MB in the beginning and 168.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 07:55:14,255 INFO L158 Benchmark]: TraceAbstraction took 1698.81ms. Allocated memory is still 216.0MB. Free memory was 167.2MB in the beginning and 166.1MB in the end (delta: 1.2MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:14,255 INFO L158 Benchmark]: Witness Printer took 104.57ms. Allocated memory is still 216.0MB. Free memory was 165.0MB in the beginning and 158.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 07:55:14,257 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 155.2MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.57ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 124.6MB in the end (delta: -27.5MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.20ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 124.6MB in the beginning and 187.2MB in the end (delta: -62.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.47ms. Allocated memory is still 216.0MB. Free memory was 187.2MB in the beginning and 185.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 314.04ms. Allocated memory is still 216.0MB. Free memory was 185.1MB in the beginning and 168.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1698.81ms. Allocated memory is still 216.0MB. Free memory was 167.2MB in the beginning and 166.1MB in the end (delta: 1.2MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Witness Printer took 104.57ms. Allocated memory is still 216.0MB. Free memory was 165.0MB in the beginning and 158.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] - GenericResultAtLocation [Line: 144]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [144] - GenericResultAtLocation [Line: 248]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [248] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [283] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [432] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [499] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [865] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 140]: 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, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 1043 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 660 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 240 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 383 mSDtfsCounter, 240 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 443]: Location Invariant Derived location invariant: null - InvariantResult [Line: 157]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 82]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((1 == systemActive) || (pumpRunning == switchedOnBeforeTS)) Ensures: (((1 == systemActive) || (pumpRunning == switchedOnBeforeTS)) && ((((((waterLevel == \old(waterLevel)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 293]: Procedure Contract for timeShift Derived contract for procedure timeShift. Ensures: ((pumpRunning == switchedOnBeforeTS) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head)))) - ProcedureContractResult [Line: 147]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head)))) - ProcedureContractResult [Line: 70]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((1 == systemActive) || (pumpRunning == switchedOnBeforeTS)) Ensures: (((1 == systemActive) || (pumpRunning == switchedOnBeforeTS)) && ((((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 372]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Ensures: ((pumpRunning == \result) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 07:55:14,279 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