./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product47.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_spec3_product47.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 637e567dc685efcee308b97525909830094648d3754bb07704f538b9a7ab34e7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:53:48,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:53:48,876 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:53:48,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:53:48,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:53:48,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:53:48,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:53:48,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:53:48,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:53:48,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:53:48,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:53:48,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:53:48,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:53:48,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:53:48,910 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:53:48,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:53:48,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:53:48,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:53:48,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:53:48,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:53:48,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:53:48,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:53:48,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:53:48,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:53:48,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:53:48,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:53:48,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:53:48,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:53:48,914 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:53:48,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:53:48,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:53:48,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:53:48,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:53:48,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:53:48,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:53:48,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:53:48,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:53:48,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:53:48,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:53:48,916 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:53:48,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:53:48,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:53:48,918 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637e567dc685efcee308b97525909830094648d3754bb07704f538b9a7ab34e7 [2024-11-16 07:53:49,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:53:49,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:53:49,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:53:49,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:53:49,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:53:49,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2024-11-16 07:53:50,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:53:50,695 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:53:50,695 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2024-11-16 07:53:50,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac3e4509/8fa5abd319114c98b8cebd82940ddecf/FLAG0f76bb319 [2024-11-16 07:53:51,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac3e4509/8fa5abd319114c98b8cebd82940ddecf [2024-11-16 07:53:51,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:53:51,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:53:51,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:53:51,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:53:51,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:53:51,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b23570d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51, skipping insertion in model container [2024-11-16 07:53:51,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:53:51,267 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_spec3_product47.cil.c[1605,1618] [2024-11-16 07:53:51,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:53:51,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:53:51,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-16 07:53:51,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2024-11-16 07:53:51,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [162] [2024-11-16 07:53:51,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] [2024-11-16 07:53:51,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] [2024-11-16 07:53:51,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2024-11-16 07:53:51,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] [2024-11-16 07:53:51,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [944] [2024-11-16 07:53:51,401 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_spec3_product47.cil.c[1605,1618] [2024-11-16 07:53:51,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:53:51,472 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:53:51,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51 WrapperNode [2024-11-16 07:53:51,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:53:51,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:53:51,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:53:51,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:53:51,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,510 INFO L138 Inliner]: procedures = 55, calls = 102, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 199 [2024-11-16 07:53:51,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:53:51,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:53:51,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:53:51,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:53:51,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,535 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 07:53:51,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:53:51,545 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:53:51,545 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:53:51,545 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:53:51,546 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (1/1) ... [2024-11-16 07:53:51,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:53:51,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:53:51,587 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 07:53:51,590 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 07:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-16 07:53:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-16 07:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-16 07:53:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-16 07:53:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:53:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:53:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:53:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:53:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-16 07:53:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-16 07:53:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-16 07:53:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-16 07:53:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-16 07:53:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-16 07:53:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-16 07:53:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-16 07:53:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:53:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-16 07:53:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-16 07:53:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:53:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:53:51,718 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:53:51,720 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:53:51,769 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L895: #res := ~retValue_acc~9; [2024-11-16 07:53:51,819 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L927-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-16 07:53:51,819 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-16 07:53:51,893 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L194-1: valid_product_#res#1 := valid_product_~retValue_acc~2#1; [2024-11-16 07:53:51,893 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L159-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-16 07:53:51,931 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; [2024-11-16 07:53:51,931 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L941-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-16 07:53:51,935 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L767: #res := ~retValue_acc~6; [2024-11-16 07:53:51,951 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-16 07:53:51,952 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:53:51,967 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:53:51,968 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:53:51,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:53:51 BoogieIcfgContainer [2024-11-16 07:53:51,968 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:53:51,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:53:51,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:53:51,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:53:51,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:53:51" (1/3) ... [2024-11-16 07:53:51,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb04ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:53:51, skipping insertion in model container [2024-11-16 07:53:51,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:51" (2/3) ... [2024-11-16 07:53:51,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb04ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:53:51, skipping insertion in model container [2024-11-16 07:53:51,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:53:51" (3/3) ... [2024-11-16 07:53:51,975 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product47.cil.c [2024-11-16 07:53:51,991 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:53:51,991 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:53:52,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:53:52,045 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;@1e12401, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:53:52,046 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:53:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 81 states have (on average 1.345679012345679) internal successors, (109), 90 states have internal predecessors, (109), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 07:53:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-16 07:53:52,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:52,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:53:52,058 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:52,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:52,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1094658425, now seen corresponding path program 1 times [2024-11-16 07:53:52,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:52,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395689925] [2024-11-16 07:53:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:52,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:52,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-16 07:53:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:53:52,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:53:52,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395689925] [2024-11-16 07:53:52,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395689925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:53:52,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:53:52,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:53:52,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350721506] [2024-11-16 07:53:52,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:53:52,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:53:52,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:53:52,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:53:52,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:53:52,330 INFO L87 Difference]: Start difference. First operand has 108 states, 81 states have (on average 1.345679012345679) internal successors, (109), 90 states have internal predecessors, (109), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:53:52,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:53:52,366 INFO L93 Difference]: Finished difference Result 207 states and 276 transitions. [2024-11-16 07:53:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:53:52,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-16 07:53:52,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:53:52,380 INFO L225 Difference]: With dead ends: 207 [2024-11-16 07:53:52,380 INFO L226 Difference]: Without dead ends: 97 [2024-11-16 07:53:52,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 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 07:53:52,386 INFO L432 NwaCegarLoop]: 134 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, 134 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 07:53:52,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:53:52,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-16 07:53:52,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-16 07:53:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 80 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-16 07:53:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2024-11-16 07:53:52,438 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 27 [2024-11-16 07:53:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:53:52,439 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2024-11-16 07:53:52,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:53:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2024-11-16 07:53:52,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-16 07:53:52,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:52,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:53:52,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:53:52,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:52,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:52,445 INFO L85 PathProgramCache]: Analyzing trace with hash -166639578, now seen corresponding path program 1 times [2024-11-16 07:53:52,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:52,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78448241] [2024-11-16 07:53:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:52,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:53:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:53:52,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:53:52,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78448241] [2024-11-16 07:53:52,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78448241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:53:52,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:53:52,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:53:52,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982570336] [2024-11-16 07:53:52,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:53:52,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:53:52,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:53:52,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:53:52,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:53:52,576 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:53:52,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:53:52,596 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2024-11-16 07:53:52,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:53:52,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-16 07:53:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:53:52,598 INFO L225 Difference]: With dead ends: 153 [2024-11-16 07:53:52,599 INFO L226 Difference]: Without dead ends: 86 [2024-11-16 07:53:52,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 07:53:52,600 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 15 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 196 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 07:53:52,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 196 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:53:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-16 07:53:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-16 07:53:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 07:53:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2024-11-16 07:53:52,610 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 30 [2024-11-16 07:53:52,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:53:52,610 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2024-11-16 07:53:52,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:53:52,611 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2024-11-16 07:53:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-16 07:53:52,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:52,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:53:52,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:53:52,616 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:52,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:52,617 INFO L85 PathProgramCache]: Analyzing trace with hash -222988673, now seen corresponding path program 1 times [2024-11-16 07:53:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:52,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810643349] [2024-11-16 07:53:52,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:52,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:52,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 07:53:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:53:52,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:53:52,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810643349] [2024-11-16 07:53:52,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810643349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:53:52,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:53:52,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 07:53:52,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253688412] [2024-11-16 07:53:52,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:53:52,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:53:52,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:53:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:53:52,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:53:52,756 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:53:52,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:53:52,962 INFO L93 Difference]: Finished difference Result 289 states and 376 transitions. [2024-11-16 07:53:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 07:53:52,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-16 07:53:52,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:53:52,964 INFO L225 Difference]: With dead ends: 289 [2024-11-16 07:53:52,964 INFO L226 Difference]: Without dead ends: 210 [2024-11-16 07:53:52,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-16 07:53:52,967 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 258 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:53:52,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 442 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 07:53:52,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-16 07:53:53,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 202. [2024-11-16 07:53:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 149 states have (on average 1.342281879194631) internal successors, (200), 167 states have internal predecessors, (200), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 23 states have call predecessors, (32), 31 states have call successors, (32) [2024-11-16 07:53:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 263 transitions. [2024-11-16 07:53:53,006 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 263 transitions. Word has length 32 [2024-11-16 07:53:53,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:53:53,009 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 263 transitions. [2024-11-16 07:53:53,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:53:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 263 transitions. [2024-11-16 07:53:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-16 07:53:53,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:53,011 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:53:53,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:53:53,011 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:53,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1132789755, now seen corresponding path program 1 times [2024-11-16 07:53:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950871919] [2024-11-16 07:53:53,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:53,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:53:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:53:53,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:53:53,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950871919] [2024-11-16 07:53:53,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950871919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:53:53,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:53:53,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 07:53:53,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767754270] [2024-11-16 07:53:53,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:53:53,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:53:53,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:53:53,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:53:53,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 07:53:53,155 INFO L87 Difference]: Start difference. First operand 202 states and 263 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:53:53,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:53:53,227 INFO L93 Difference]: Finished difference Result 574 states and 773 transitions. [2024-11-16 07:53:53,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:53:53,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-16 07:53:53,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:53:53,230 INFO L225 Difference]: With dead ends: 574 [2024-11-16 07:53:53,231 INFO L226 Difference]: Without dead ends: 379 [2024-11-16 07:53:53,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:53:53,233 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 70 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:53:53,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 405 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:53:53,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-16 07:53:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2024-11-16 07:53:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 277 states have (on average 1.3176895306859207) internal successors, (365), 309 states have internal predecessors, (365), 62 states have call successors, (62), 42 states have call predecessors, (62), 39 states have return successors, (68), 43 states have call predecessors, (68), 62 states have call successors, (68) [2024-11-16 07:53:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 495 transitions. [2024-11-16 07:53:53,277 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 495 transitions. Word has length 36 [2024-11-16 07:53:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:53:53,279 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 495 transitions. [2024-11-16 07:53:53,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:53:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 495 transitions. [2024-11-16 07:53:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-16 07:53:53,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:53,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:53:53,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:53:53,284 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:53,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:53,286 INFO L85 PathProgramCache]: Analyzing trace with hash 387056313, now seen corresponding path program 1 times [2024-11-16 07:53:53,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:53,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473559473] [2024-11-16 07:53:53,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:53,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 07:53:53,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 07:53:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 07:53:53,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 07:53:53,351 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 07:53:53,352 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 07:53:53,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 07:53:53,355 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-16 07:53:53,399 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 07:53:53,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:53:53 BoogieIcfgContainer [2024-11-16 07:53:53,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 07:53:53,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 07:53:53,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 07:53:53,405 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 07:53:53,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:53:51" (3/4) ... [2024-11-16 07:53:53,406 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-16 07:53:53,464 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 07:53:53,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 07:53:53,464 INFO L158 Benchmark]: Toolchain (without parser) took 2404.50ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 51.9MB in the beginning and 128.7MB in the end (delta: -76.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:53:53,465 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:53:53,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.08ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 51.8MB in the beginning and 124.2MB in the end (delta: -72.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-16 07:53:53,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.57ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 122.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:53:53,465 INFO L158 Benchmark]: Boogie Preprocessor took 32.83ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 120.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:53:53,465 INFO L158 Benchmark]: IcfgBuilder took 423.33ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 99.0MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 07:53:53,466 INFO L158 Benchmark]: TraceAbstraction took 1432.76ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 131.8MB in the end (delta: -32.8MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-11-16 07:53:53,466 INFO L158 Benchmark]: Witness Printer took 60.58ms. Allocated memory is still 167.8MB. Free memory was 131.8MB in the beginning and 128.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:53:53,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.08ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 51.8MB in the beginning and 124.2MB in the end (delta: -72.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.57ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 122.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.83ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 120.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 423.33ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 99.0MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1432.76ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 131.8MB in the end (delta: -32.8MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Witness Printer took 60.58ms. Allocated memory is still 167.8MB. Free memory was 131.8MB in the beginning and 128.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [162] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] - GenericResultAtLocation [Line: 944]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [944] * 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 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L59] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int pumpRunning = 0; [L640] int systemActive = 1; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L189] int retValue_acc ; [L192] retValue_acc = 1 [L193] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L575] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L587] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L869] COND TRUE waterLevel < 2 [L870] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L587] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND FALSE !(\read(tmp___2)) [L609] tmp___1 = __VERIFIER_nondet_int() [L611] COND TRUE \read(tmp___1) [L613] CALL stopSystem() [L838] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L845] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L613] RET stopSystem() [L620] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L647] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L654] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L662] CALL __utac_acc__Specification3_spec__1() [L946] int tmp ; [L947] int tmp___0 ; [L948] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L952] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L890] int retValue_acc ; [L893] retValue_acc = methaneLevelCritical [L894] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L952] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L952] tmp = isMethaneLevelCritical() [L954] COND FALSE !(\read(tmp)) [L958] CALL, EXPR getWaterLevel() [L922] int retValue_acc ; [L925] retValue_acc = waterLevel [L926] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L958] RET, EXPR getWaterLevel() [L958] tmp___0 = getWaterLevel() [L960] COND TRUE tmp___0 == 2 [L962] CALL, EXPR isPumpRunning() [L771] int retValue_acc ; [L774] retValue_acc = pumpRunning [L775] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L962] RET, EXPR isPumpRunning() [L962] tmp___1 = isPumpRunning() [L964] COND FALSE !(\read(tmp___1)) [L968] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 347 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 1177 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 705 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 472 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-16 07:53:53,496 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE