/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:39:53,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:39:53,398 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:39:53,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:39:53,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:39:53,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:39:53,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:39:53,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:39:53,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:39:53,436 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:39:53,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:39:53,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:39:53,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:39:53,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:39:53,439 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:39:53,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:39:53,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:39:53,440 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:39:53,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:39:53,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:39:53,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:39:53,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:39:53,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:39:53,442 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:39:53,442 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:39:53,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:39:53,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:39:53,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:39:53,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:39:53,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:39:53,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:39:53,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:39:53,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:39:53,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:39:53,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:39:53,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:39:53,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:39:53,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:39:53,444 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:39:53,445 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:39:53,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:39:53,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:39:53,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:39:53,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:39:53,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:39:53,446 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:39:53,446 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:39:53,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:39:53,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:39:53,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:39:53,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:39:53,754 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:39:53,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c [2023-12-16 17:39:54,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:39:55,248 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:39:55,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c [2023-12-16 17:39:55,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d816ff7/01e34dc51c4e4a1ab94111adc318d979/FLAG606a7533a [2023-12-16 17:39:55,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d816ff7/01e34dc51c4e4a1ab94111adc318d979 [2023-12-16 17:39:55,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:39:55,275 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:39:55,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:39:55,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:39:55,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:39:55,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402c4f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55, skipping insertion in model container [2023-12-16 17:39:55,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:39:55,517 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2023-12-16 17:39:55,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:39:55,630 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:39:55,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:39:55,643 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2023-12-16 17:39:55,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:39:55,685 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:39:55,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-12-16 17:39:55,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] [2023-12-16 17:39:55,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2023-12-16 17:39:55,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] [2023-12-16 17:39:55,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] [2023-12-16 17:39:55,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] [2023-12-16 17:39:55,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] [2023-12-16 17:39:55,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] [2023-12-16 17:39:55,701 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2023-12-16 17:39:55,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:39:55,762 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:39:55,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55 WrapperNode [2023-12-16 17:39:55,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:39:55,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:39:55,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:39:55,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:39:55,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,827 INFO L138 Inliner]: procedures = 58, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 172 [2023-12-16 17:39:55,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:39:55,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:39:55,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:39:55,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:39:55,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,868 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]. [2023-12-16 17:39:55,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:39:55,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:39:55,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:39:55,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:39:55,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (1/1) ... [2023-12-16 17:39:55,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:39:55,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:39:55,934 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) [2023-12-16 17:39:55,953 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 [2023-12-16 17:39:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:39:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:39:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:39:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 17:39:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 17:39:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:39:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:39:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:39:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:39:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:39:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:39:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:39:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:39:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:39:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-16 17:39:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-16 17:39:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:39:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:39:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:39:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:39:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:39:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:39:56,066 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:39:56,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:39:56,300 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:39:56,405 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:39:56,405 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:39:56,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:39:56 BoogieIcfgContainer [2023-12-16 17:39:56,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:39:56,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:39:56,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:39:56,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:39:56,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:39:55" (1/3) ... [2023-12-16 17:39:56,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4e9417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:39:56, skipping insertion in model container [2023-12-16 17:39:56,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:55" (2/3) ... [2023-12-16 17:39:56,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4e9417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:39:56, skipping insertion in model container [2023-12-16 17:39:56,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:39:56" (3/3) ... [2023-12-16 17:39:56,412 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2023-12-16 17:39:56,425 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:39:56,426 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:39:56,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:39:56,464 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ca9d2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:39:56,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:39:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 17:39:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 17:39:56,475 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:56,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:39:56,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:56,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:56,480 INFO L85 PathProgramCache]: Analyzing trace with hash 977692372, now seen corresponding path program 1 times [2023-12-16 17:39:56,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:56,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457711590] [2023-12-16 17:39:56,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:56,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:56,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:56,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:39:56,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 17:39:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:56,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:39:56,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:56,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:56,586 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:56,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457711590] [2023-12-16 17:39:56,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457711590] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:56,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:56,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:39:56,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352512125] [2023-12-16 17:39:56,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:56,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:39:56,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:39:56,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:39:56,629 INFO L87 Difference]: Start difference. First operand has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:56,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:56,674 INFO L93 Difference]: Finished difference Result 152 states and 217 transitions. [2023-12-16 17:39:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:39:56,676 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 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 17 [2023-12-16 17:39:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:56,683 INFO L225 Difference]: With dead ends: 152 [2023-12-16 17:39:56,683 INFO L226 Difference]: Without dead ends: 72 [2023-12-16 17:39:56,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:39:56,689 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:56,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:39:56,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-16 17:39:56,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-16 17:39:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-16 17:39:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions. [2023-12-16 17:39:56,723 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 17 [2023-12-16 17:39:56,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:56,724 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 97 transitions. [2023-12-16 17:39:56,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2023-12-16 17:39:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 17:39:56,726 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:56,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:39:56,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 17:39:56,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:56,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:56,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:56,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1371190922, now seen corresponding path program 1 times [2023-12-16 17:39:56,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:56,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558172825] [2023-12-16 17:39:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:56,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:56,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:56,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:39:56,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:39:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:56,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:39:56,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:57,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:57,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:57,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558172825] [2023-12-16 17:39:57,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558172825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:57,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:57,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:39:57,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697252429] [2023-12-16 17:39:57,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:57,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:39:57,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:57,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:39:57,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:39:57,017 INFO L87 Difference]: Start difference. First operand 72 states and 97 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:57,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:57,069 INFO L93 Difference]: Finished difference Result 114 states and 152 transitions. [2023-12-16 17:39:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:39:57,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 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 18 [2023-12-16 17:39:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:57,071 INFO L225 Difference]: With dead ends: 114 [2023-12-16 17:39:57,071 INFO L226 Difference]: Without dead ends: 64 [2023-12-16 17:39:57,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:39:57,073 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:57,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 133 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:39:57,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-16 17:39:57,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-16 17:39:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:39:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2023-12-16 17:39:57,081 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 18 [2023-12-16 17:39:57,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:57,081 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2023-12-16 17:39:57,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:57,082 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-12-16 17:39:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 17:39:57,082 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:57,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:39:57,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:39:57,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:57,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:57,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:57,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1870158362, now seen corresponding path program 1 times [2023-12-16 17:39:57,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:57,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221483262] [2023-12-16 17:39:57,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:57,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:57,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:39:57,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:39:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:57,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:39:57,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:57,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:57,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:57,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1221483262] [2023-12-16 17:39:57,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1221483262] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:57,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:57,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:39:57,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813856412] [2023-12-16 17:39:57,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:57,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:39:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:57,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:39:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:39:57,362 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2023-12-16 17:39:57,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:57,429 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2023-12-16 17:39:57,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:39:57,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 21 [2023-12-16 17:39:57,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:57,435 INFO L225 Difference]: With dead ends: 188 [2023-12-16 17:39:57,435 INFO L226 Difference]: Without dead ends: 126 [2023-12-16 17:39:57,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:39:57,437 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 73 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:57,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 159 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:39:57,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-12-16 17:39:57,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2023-12-16 17:39:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 80 states have (on average 1.4375) internal successors, (115), 95 states have internal predecessors, (115), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-16 17:39:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2023-12-16 17:39:57,464 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 21 [2023-12-16 17:39:57,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:57,465 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2023-12-16 17:39:57,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2023-12-16 17:39:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2023-12-16 17:39:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-16 17:39:57,466 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:57,466 INFO L195 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] [2023-12-16 17:39:57,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:39:57,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:57,669 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:57,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:57,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1633385258, now seen corresponding path program 1 times [2023-12-16 17:39:57,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:57,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198653760] [2023-12-16 17:39:57,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:57,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:57,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:57,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:39:57,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:39:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:57,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:39:57,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:57,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:57,791 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:57,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198653760] [2023-12-16 17:39:57,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198653760] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:57,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:57,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:39:57,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230668595] [2023-12-16 17:39:57,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:57,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:39:57,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:57,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:39:57,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:39:57,793 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:57,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:57,962 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2023-12-16 17:39:57,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 17:39:57,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 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 24 [2023-12-16 17:39:57,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:57,965 INFO L225 Difference]: With dead ends: 361 [2023-12-16 17:39:57,965 INFO L226 Difference]: Without dead ends: 240 [2023-12-16 17:39:57,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:39:57,966 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 59 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:57,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 333 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:39:57,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-12-16 17:39:58,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2023-12-16 17:39:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 153 states have (on average 1.4052287581699345) internal successors, (215), 182 states have internal predecessors, (215), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 34 states have call predecessors, (54), 52 states have call successors, (54) [2023-12-16 17:39:58,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 321 transitions. [2023-12-16 17:39:58,004 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 321 transitions. Word has length 24 [2023-12-16 17:39:58,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:58,004 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 321 transitions. [2023-12-16 17:39:58,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 321 transitions. [2023-12-16 17:39:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-16 17:39:58,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:58,006 INFO L195 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] [2023-12-16 17:39:58,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 17:39:58,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:58,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:58,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:58,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1983346278, now seen corresponding path program 1 times [2023-12-16 17:39:58,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:58,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501865572] [2023-12-16 17:39:58,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:58,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:58,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:58,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:39:58,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:39:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:58,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:39:58,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:58,300 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:58,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:58,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501865572] [2023-12-16 17:39:58,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501865572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:58,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:58,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:39:58,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512345569] [2023-12-16 17:39:58,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:58,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:39:58,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:58,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:39:58,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:39:58,303 INFO L87 Difference]: Start difference. First operand 238 states and 321 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:39:58,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:58,350 INFO L93 Difference]: Finished difference Result 396 states and 533 transitions. [2023-12-16 17:39:58,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:39:58,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-12-16 17:39:58,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:58,351 INFO L225 Difference]: With dead ends: 396 [2023-12-16 17:39:58,351 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:39:58,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:39:58,353 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 27 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:58,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 75 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:39:58,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:39:58,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:39:58,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:39:58,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:39:58,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-12-16 17:39:58,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:58,355 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:39:58,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:39:58,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:39:58,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:39:58,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:39:58,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:39:58,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:39:58,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:39:58,871 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 251 258) no Hoare annotation was computed. [2023-12-16 17:39:58,871 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 251 258) the Hoare annotation is: true [2023-12-16 17:39:58,872 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 167 173) no Hoare annotation was computed. [2023-12-16 17:39:58,872 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 167 173) the Hoare annotation is: true [2023-12-16 17:39:58,872 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 917 928) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2023-12-16 17:39:58,872 INFO L899 garLoopResultBuilder]: For program point L921-1(lines 917 928) no Hoare annotation was computed. [2023-12-16 17:39:58,872 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 917 928) no Hoare annotation was computed. [2023-12-16 17:39:58,872 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 929 937) the Hoare annotation is: true [2023-12-16 17:39:58,872 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 929 937) no Hoare annotation was computed. [2023-12-16 17:39:58,872 INFO L902 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: true [2023-12-16 17:39:58,873 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2023-12-16 17:39:58,873 INFO L899 garLoopResultBuilder]: For program point L800-1(line 800) no Hoare annotation was computed. [2023-12-16 17:39:58,873 INFO L899 garLoopResultBuilder]: For program point L819(lines 794 823) no Hoare annotation was computed. [2023-12-16 17:39:58,873 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2023-12-16 17:39:58,873 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 794 823) the Hoare annotation is: true [2023-12-16 17:39:58,873 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 812) no Hoare annotation was computed. [2023-12-16 17:39:58,873 INFO L902 garLoopResultBuilder]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2023-12-16 17:39:58,873 INFO L902 garLoopResultBuilder]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2023-12-16 17:39:58,874 INFO L899 garLoopResultBuilder]: For program point L126(line 126) no Hoare annotation was computed. [2023-12-16 17:39:58,874 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 146 165) no Hoare annotation was computed. [2023-12-16 17:39:58,874 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2023-12-16 17:39:58,874 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 222) no Hoare annotation was computed. [2023-12-16 17:39:58,874 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 785) no Hoare annotation was computed. [2023-12-16 17:39:58,874 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 788) no Hoare annotation was computed. [2023-12-16 17:39:58,874 INFO L899 garLoopResultBuilder]: For program point L771-1(lines 763 791) no Hoare annotation was computed. [2023-12-16 17:39:58,874 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 782) no Hoare annotation was computed. [2023-12-16 17:39:58,874 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-16 17:39:58,875 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-16 17:39:58,875 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-16 17:39:58,875 INFO L899 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2023-12-16 17:39:58,875 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 166) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,875 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2023-12-16 17:39:58,875 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,875 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2023-12-16 17:39:58,875 INFO L899 garLoopResultBuilder]: For program point L897-2(lines 893 904) no Hoare annotation was computed. [2023-12-16 17:39:58,875 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,875 INFO L899 garLoopResultBuilder]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2023-12-16 17:39:58,876 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 154 160) no Hoare annotation was computed. [2023-12-16 17:39:58,876 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 143 166) no Hoare annotation was computed. [2023-12-16 17:39:58,876 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 126) no Hoare annotation was computed. [2023-12-16 17:39:58,876 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-16 17:39:58,876 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-12-16 17:39:58,876 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,876 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,877 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2023-12-16 17:39:58,877 INFO L899 garLoopResultBuilder]: For program point L338-1(lines 338 344) no Hoare annotation was computed. [2023-12-16 17:39:58,877 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-12-16 17:39:58,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:39:58,877 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-12-16 17:39:58,877 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,877 INFO L899 garLoopResultBuilder]: For program point L116(lines 55 120) no Hoare annotation was computed. [2023-12-16 17:39:58,877 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 883) no Hoare annotation was computed. [2023-12-16 17:39:58,877 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-12-16 17:39:58,878 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-12-16 17:39:58,878 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 883) no Hoare annotation was computed. [2023-12-16 17:39:58,878 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:39:58,878 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: false [2023-12-16 17:39:58,878 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2023-12-16 17:39:58,878 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2023-12-16 17:39:58,878 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,878 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 905 916) no Hoare annotation was computed. [2023-12-16 17:39:58,879 INFO L899 garLoopResultBuilder]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2023-12-16 17:39:58,879 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 905 916) the Hoare annotation is: true [2023-12-16 17:39:58,879 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 175 199) no Hoare annotation was computed. [2023-12-16 17:39:58,879 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 175 199) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,879 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-16 17:39:58,879 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-16 17:39:58,879 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2023-12-16 17:39:58,879 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 196) no Hoare annotation was computed. [2023-12-16 17:39:58,879 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 175 199) no Hoare annotation was computed. [2023-12-16 17:39:58,880 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 328) no Hoare annotation was computed. [2023-12-16 17:39:58,880 INFO L899 garLoopResultBuilder]: For program point L324-2(lines 324 328) no Hoare annotation was computed. [2023-12-16 17:39:58,880 INFO L895 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:58,880 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 259 269) no Hoare annotation was computed. [2023-12-16 17:39:58,880 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 259 269) the Hoare annotation is: true [2023-12-16 17:39:58,880 INFO L902 garLoopResultBuilder]: At program point L264(line 264) the Hoare annotation is: true [2023-12-16 17:39:58,880 INFO L899 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2023-12-16 17:39:58,883 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 17:39:58,887 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:39:58,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:39:58 BoogieIcfgContainer [2023-12-16 17:39:58,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:39:58,896 INFO L158 Benchmark]: Toolchain (without parser) took 3621.26ms. Allocated memory was 198.2MB in the beginning and 248.5MB in the end (delta: 50.3MB). Free memory was 153.4MB in the beginning and 156.2MB in the end (delta: -2.8MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-12-16 17:39:58,896 INFO L158 Benchmark]: CDTParser took 1.84ms. Allocated memory is still 198.2MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:39:58,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.92ms. Allocated memory is still 198.2MB. Free memory was 153.4MB in the beginning and 127.1MB in the end (delta: 26.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:39:58,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.89ms. Allocated memory is still 198.2MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:39:58,898 INFO L158 Benchmark]: Boogie Preprocessor took 69.03ms. Allocated memory is still 198.2MB. Free memory was 125.0MB in the beginning and 122.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:39:58,898 INFO L158 Benchmark]: RCFGBuilder took 507.00ms. Allocated memory is still 198.2MB. Free memory was 122.6MB in the beginning and 155.1MB in the end (delta: -32.5MB). Peak memory consumption was 20.4MB. Max. memory is 8.0GB. [2023-12-16 17:39:58,899 INFO L158 Benchmark]: TraceAbstraction took 2488.21ms. Allocated memory was 198.2MB in the beginning and 248.5MB in the end (delta: 50.3MB). Free memory was 154.6MB in the beginning and 156.2MB in the end (delta: -1.6MB). Peak memory consumption was 48.8MB. Max. memory is 8.0GB. [2023-12-16 17:39:58,901 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84ms. Allocated memory is still 198.2MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 486.92ms. Allocated memory is still 198.2MB. Free memory was 153.4MB in the beginning and 127.1MB in the end (delta: 26.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.89ms. Allocated memory is still 198.2MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.03ms. Allocated memory is still 198.2MB. Free memory was 125.0MB in the beginning and 122.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 507.00ms. Allocated memory is still 198.2MB. Free memory was 122.6MB in the beginning and 155.1MB in the end (delta: -32.5MB). Peak memory consumption was 20.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2488.21ms. Allocated memory was 198.2MB in the beginning and 248.5MB in the end (delta: 50.3MB). Free memory was 154.6MB in the beginning and 156.2MB in the end (delta: -1.6MB). Peak memory consumption was 48.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 349]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] - GenericResultAtLocation [Line: 387]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] - GenericResultAtLocation [Line: 753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] - GenericResultAtLocation [Line: 792]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] * 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: 126]: 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 10 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 789 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 427 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 362 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 310 PreInvPairs, 334 NumberOfFragments, 112 HoareAnnotationTreeSize, 310 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FormulaSimplificationsInter, 785 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 223 SizeOfPredicates, 5 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0) && (0 == pumpRunning)) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-16 17:39:58,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...