/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_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:38:54,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:38:54,581 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 17:38:54,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:38:54,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:38:54,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:38:54,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:38:54,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:38:54,610 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:38:54,612 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:38:54,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:38:54,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:38:54,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:38:54,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:38:54,614 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:38:54,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:38:54,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:38:54,615 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:38:54,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:38:54,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:38:54,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:38:54,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:38:54,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:38:54,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:38:54,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:38:54,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:38:54,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:38:54,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:38:54,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:38:54,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:38:54,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:38:54,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:38:54,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:38:54,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:38:54,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:38:54,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:38:54,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:38:54,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:38:54,619 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:38:54,619 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:38:54,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:38:54,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:38:54,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:38:54,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:38:54,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:38:54,620 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:38:54,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:38:54,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:38:54,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:38:54,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:38:54,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:38:54,813 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:38:54,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2023-12-16 17:38:55,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:38:56,021 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:38:56,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2023-12-16 17:38:56,034 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e776abebc/b69bcc68890a4d59a8609d1f575dd1b1/FLAGe305884ac [2023-12-16 17:38:56,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e776abebc/b69bcc68890a4d59a8609d1f575dd1b1 [2023-12-16 17:38:56,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:38:56,047 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:38:56,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:38:56,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:38:56,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:38:56,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b1ca57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56, skipping insertion in model container [2023-12-16 17:38:56,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:38:56,210 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_spec1_product16.cil.c[4901,4914] [2023-12-16 17:38:56,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:38:56,303 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:38:56,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:38:56,334 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_spec1_product16.cil.c[4901,4914] [2023-12-16 17:38:56,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:38:56,362 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:38:56,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-16 17:38:56,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] [2023-12-16 17:38:56,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [163] [2023-12-16 17:38:56,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201] [2023-12-16 17:38:56,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] [2023-12-16 17:38:56,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [309] [2023-12-16 17:38:56,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [675] [2023-12-16 17:38:56,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [852] [2023-12-16 17:38:56,380 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_spec1_product16.cil.c[4901,4914] [2023-12-16 17:38:56,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:38:56,426 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:38:56,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56 WrapperNode [2023-12-16 17:38:56,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:38:56,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:38:56,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:38:56,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:38:56,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,460 INFO L138 Inliner]: procedures = 55, calls = 97, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 137 [2023-12-16 17:38:56,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:38:56,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:38:56,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:38:56,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:38:56,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,481 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 17:38:56,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:38:56,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:38:56,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:38:56,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:38:56,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (1/1) ... [2023-12-16 17:38:56,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:38:56,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:38:56,529 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 17:38:56,533 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 17:38:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:38:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:38:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:38:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:38:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:38:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 17:38:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 17:38:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:38:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:38:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:38:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:38:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:38:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-16 17:38:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-16 17:38:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:38:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:38:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:38:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:38:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:38:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:38:56,612 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:38:56,614 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:38:56,789 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:38:56,924 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:38:56,924 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:38:56,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:38:56 BoogieIcfgContainer [2023-12-16 17:38:56,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:38:56,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:38:56,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:38:56,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:38:56,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:38:56" (1/3) ... [2023-12-16 17:38:56,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188d8658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:38:56, skipping insertion in model container [2023-12-16 17:38:56,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:38:56" (2/3) ... [2023-12-16 17:38:56,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188d8658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:38:56, skipping insertion in model container [2023-12-16 17:38:56,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:38:56" (3/3) ... [2023-12-16 17:38:56,930 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2023-12-16 17:38:56,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:38:56,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:38:56,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:38:56,985 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;@1fb0a076, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:38:56,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:38:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 50 states have internal predecessors, (65), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:38:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-16 17:38:57,001 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:38:57,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:38:57,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:38:57,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:38:57,005 INFO L85 PathProgramCache]: Analyzing trace with hash 553903360, now seen corresponding path program 1 times [2023-12-16 17:38:57,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:38:57,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705576901] [2023-12-16 17:38:57,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:38:57,017 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 17:38:57,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:38:57,018 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 17:38:57,020 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 17:38:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:38:57,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:38:57,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:38:57,145 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 17:38:57,145 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:38:57,146 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:38:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705576901] [2023-12-16 17:38:57,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705576901] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:38:57,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:38:57,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:38:57,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426514553] [2023-12-16 17:38:57,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:38:57,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:38:57,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:38:57,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:38:57,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:38:57,170 INFO L87 Difference]: Start difference. First operand has 66 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 50 states have internal predecessors, (65), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 17:38:57,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:38:57,211 INFO L93 Difference]: Finished difference Result 130 states and 183 transitions. [2023-12-16 17:38:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:38:57,212 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2023-12-16 17:38:57,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:38:57,219 INFO L225 Difference]: With dead ends: 130 [2023-12-16 17:38:57,220 INFO L226 Difference]: Without dead ends: 61 [2023-12-16 17:38:57,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 17:38:57,227 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:38:57,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:38:57,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-16 17:38:57,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-16 17:38:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 46 states have internal predecessors, (55), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-16 17:38:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2023-12-16 17:38:57,273 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 16 [2023-12-16 17:38:57,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:38:57,273 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2023-12-16 17:38:57,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 17:38:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-16 17:38:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 17:38:57,275 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:38:57,275 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 17:38:57,280 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 17:38:57,477 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 17:38:57,478 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:38:57,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:38:57,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1854021577, now seen corresponding path program 1 times [2023-12-16 17:38:57,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:38:57,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390323034] [2023-12-16 17:38:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:38:57,479 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 17:38:57,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:38:57,480 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 17:38:57,485 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 17:38:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:38:57,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:38:57,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:38:57,532 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 17:38:57,532 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:38:57,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:38:57,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390323034] [2023-12-16 17:38:57,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390323034] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:38:57,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:38:57,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:38:57,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131249839] [2023-12-16 17:38:57,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:38:57,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:38:57,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:38:57,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:38:57,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:38:57,534 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 17:38:57,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:38:57,558 INFO L93 Difference]: Finished difference Result 92 states and 118 transitions. [2023-12-16 17:38:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:38:57,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 17:38:57,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:38:57,559 INFO L225 Difference]: With dead ends: 92 [2023-12-16 17:38:57,559 INFO L226 Difference]: Without dead ends: 53 [2023-12-16 17:38:57,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 17:38:57,561 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:38:57,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 102 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:38:57,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-16 17:38:57,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-12-16 17:38:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.4) internal successors, (49), 41 states have internal predecessors, (49), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-16 17:38:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2023-12-16 17:38:57,567 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 17 [2023-12-16 17:38:57,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:38:57,567 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2023-12-16 17:38:57,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 17:38:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-12-16 17:38:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-16 17:38:57,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:38:57,568 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] [2023-12-16 17:38:57,576 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 17:38:57,769 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 17:38:57,770 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:38:57,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:38:57,771 INFO L85 PathProgramCache]: Analyzing trace with hash -869850473, now seen corresponding path program 1 times [2023-12-16 17:38:57,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:38:57,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701186880] [2023-12-16 17:38:57,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:38:57,771 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 17:38:57,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:38:57,772 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 17:38:57,776 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 17:38:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:38:57,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:38:57,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:38:57,822 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 17:38:57,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:38:57,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:38:57,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701186880] [2023-12-16 17:38:57,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701186880] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:38:57,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:38:57,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:38:57,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465946789] [2023-12-16 17:38:57,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:38:57,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:38:57,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:38:57,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:38:57,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:38:57,824 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17:38:57,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:38:57,857 INFO L93 Difference]: Finished difference Result 155 states and 204 transitions. [2023-12-16 17:38:57,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:38:57,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20 [2023-12-16 17:38:57,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:38:57,858 INFO L225 Difference]: With dead ends: 155 [2023-12-16 17:38:57,858 INFO L226 Difference]: Without dead ends: 104 [2023-12-16 17:38:57,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 17:38:57,859 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 63 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:38:57,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 124 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:38:57,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-16 17:38:57,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-12-16 17:38:57,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 77 states have internal predecessors, (93), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-16 17:38:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2023-12-16 17:38:57,871 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 20 [2023-12-16 17:38:57,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:38:57,871 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2023-12-16 17:38:57,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17:38:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2023-12-16 17:38:57,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-16 17:38:57,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:38:57,872 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] [2023-12-16 17:38:57,879 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 17:38:58,077 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 17:38:58,077 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:38:58,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:38:58,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2126119245, now seen corresponding path program 1 times [2023-12-16 17:38:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:38:58,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256195670] [2023-12-16 17:38:58,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:38:58,078 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 17:38:58,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:38:58,079 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 17:38:58,081 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 17:38:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:38:58,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:38:58,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:38:58,202 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 17:38:58,203 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:38:58,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:38:58,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256195670] [2023-12-16 17:38:58,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256195670] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:38:58,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:38:58,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:38:58,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171937605] [2023-12-16 17:38:58,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:38:58,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:38:58,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:38:58,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:38:58,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:38:58,208 INFO L87 Difference]: Start difference. First operand 101 states and 133 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17:38:58,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:38:58,327 INFO L93 Difference]: Finished difference Result 297 states and 398 transitions. [2023-12-16 17:38:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 17:38:58,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23 [2023-12-16 17:38:58,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:38:58,333 INFO L225 Difference]: With dead ends: 297 [2023-12-16 17:38:58,333 INFO L226 Difference]: Without dead ends: 198 [2023-12-16 17:38:58,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 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 17:38:58,335 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 44 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:38:58,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 266 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:38:58,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-12-16 17:38:58,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 196. [2023-12-16 17:38:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 127 states have (on average 1.3779527559055118) internal successors, (175), 148 states have internal predecessors, (175), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (42), 30 states have call predecessors, (42), 40 states have call successors, (42) [2023-12-16 17:38:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2023-12-16 17:38:58,365 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 257 transitions. Word has length 23 [2023-12-16 17:38:58,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:38:58,365 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 257 transitions. [2023-12-16 17:38:58,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17:38:58,365 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 257 transitions. [2023-12-16 17:38:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-16 17:38:58,367 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:38:58,367 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] [2023-12-16 17:38:58,378 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 17:38:58,569 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 17:38:58,569 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:38:58,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:38:58,570 INFO L85 PathProgramCache]: Analyzing trace with hash -508319281, now seen corresponding path program 1 times [2023-12-16 17:38:58,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:38:58,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647587692] [2023-12-16 17:38:58,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:38:58,570 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 17:38:58,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:38:58,571 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 17:38:58,572 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 17:38:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:38:58,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:38:58,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:38:58,664 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 17:38:58,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:38:58,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:38:58,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647587692] [2023-12-16 17:38:58,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647587692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:38:58,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:38:58,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:38:58,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160134521] [2023-12-16 17:38:58,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:38:58,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:38:58,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:38:58,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:38:58,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:38:58,668 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 17:38:58,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:38:58,708 INFO L93 Difference]: Finished difference Result 334 states and 441 transitions. [2023-12-16 17:38:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:38:58,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 27 [2023-12-16 17:38:58,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:38:58,709 INFO L225 Difference]: With dead ends: 334 [2023-12-16 17:38:58,709 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:38:58,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 17:38:58,711 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 22 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:38:58,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 65 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:38:58,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:38:58,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:38:58,712 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 17:38:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:38:58,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2023-12-16 17:38:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:38:58,713 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:38:58,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 17:38:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:38:58,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:38:58,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:38:58,722 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 17:38:58,922 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 17:38:58,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:38:59,123 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2023-12-16 17:38:59,123 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 765 772) the Hoare annotation is: true [2023-12-16 17:38:59,124 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2023-12-16 17:38:59,124 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2023-12-16 17:38:59,124 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2023-12-16 17:38:59,124 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-16 17:38:59,124 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-16 17:38:59,124 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-16 17:38:59,125 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2023-12-16 17:38:59,125 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:38:59,125 INFO L899 garLoopResultBuilder]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2023-12-16 17:38:59,125 INFO L899 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2023-12-16 17:38:59,125 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:38:59,125 INFO L899 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2023-12-16 17:38:59,125 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2023-12-16 17:38:59,125 INFO L899 garLoopResultBuilder]: For program point L62-2(lines 58 69) no Hoare annotation was computed. [2023-12-16 17:38:59,125 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 694 700) no Hoare annotation was computed. [2023-12-16 17:38:59,126 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2023-12-16 17:38:59,126 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2023-12-16 17:38:59,126 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 683 706) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:38:59,126 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2023-12-16 17:38:59,126 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 159) no Hoare annotation was computed. [2023-12-16 17:38:59,126 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2023-12-16 17:38:59,128 INFO L899 garLoopResultBuilder]: For program point L687-1(lines 686 705) no Hoare annotation was computed. [2023-12-16 17:38:59,128 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2023-12-16 17:38:59,128 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2023-12-16 17:38:59,129 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2023-12-16 17:38:59,129 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2023-12-16 17:38:59,129 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2023-12-16 17:38:59,129 INFO L902 garLoopResultBuilder]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2023-12-16 17:38:59,129 INFO L902 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2023-12-16 17:38:59,129 INFO L902 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: true [2023-12-16 17:38:59,129 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2023-12-16 17:38:59,129 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 204 233) the Hoare annotation is: true [2023-12-16 17:38:59,129 INFO L899 garLoopResultBuilder]: For program point L229(lines 204 233) no Hoare annotation was computed. [2023-12-16 17:38:59,129 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 94 102) the Hoare annotation is: true [2023-12-16 17:38:59,129 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2023-12-16 17:38:59,129 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 294) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point L287-2(lines 287 294) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point L833(lines 833 839) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point L833-1(lines 833 839) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point L916(lines 853 920) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L895 garLoopResultBuilder]: At program point L913(lines 862 914) the Hoare annotation is: false [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2023-12-16 17:38:59,130 INFO L895 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: false [2023-12-16 17:38:59,130 INFO L895 garLoopResultBuilder]: At program point L901-2(lines 893 908) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:38:59,131 INFO L899 garLoopResultBuilder]: For program point L864(lines 863 912) no Hoare annotation was computed. [2023-12-16 17:38:59,131 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 908) no Hoare annotation was computed. [2023-12-16 17:38:59,131 INFO L895 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:38:59,131 INFO L895 garLoopResultBuilder]: At program point L910(lines 863 912) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:38:59,131 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2023-12-16 17:38:59,131 INFO L899 garLoopResultBuilder]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2023-12-16 17:38:59,131 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2023-12-16 17:38:59,132 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: true [2023-12-16 17:38:59,132 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2023-12-16 17:38:59,132 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 707 713) no Hoare annotation was computed. [2023-12-16 17:38:59,132 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 707 713) the Hoare annotation is: true [2023-12-16 17:38:59,132 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2023-12-16 17:38:59,132 INFO L902 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2023-12-16 17:38:59,132 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 773 783) the Hoare annotation is: true [2023-12-16 17:38:59,132 INFO L899 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2023-12-16 17:38:59,134 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 17:38:59,135 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:38:59,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:38:59 BoogieIcfgContainer [2023-12-16 17:38:59,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:38:59,143 INFO L158 Benchmark]: Toolchain (without parser) took 3095.87ms. Allocated memory is still 354.4MB. Free memory was 305.9MB in the beginning and 199.4MB in the end (delta: 106.5MB). Peak memory consumption was 107.1MB. Max. memory is 8.0GB. [2023-12-16 17:38:59,143 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 229.6MB. Free memory is still 183.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:38:59,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.04ms. Allocated memory is still 354.4MB. Free memory was 305.6MB in the beginning and 280.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-16 17:38:59,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.45ms. Allocated memory is still 354.4MB. Free memory was 280.4MB in the beginning and 278.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:38:59,144 INFO L158 Benchmark]: Boogie Preprocessor took 42.92ms. Allocated memory is still 354.4MB. Free memory was 278.3MB in the beginning and 276.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:38:59,144 INFO L158 Benchmark]: RCFGBuilder took 417.93ms. Allocated memory is still 354.4MB. Free memory was 275.9MB in the beginning and 318.4MB in the end (delta: -42.5MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. [2023-12-16 17:38:59,144 INFO L158 Benchmark]: TraceAbstraction took 2216.99ms. Allocated memory is still 354.4MB. Free memory was 317.9MB in the beginning and 199.4MB in the end (delta: 118.5MB). Peak memory consumption was 118.5MB. Max. memory is 8.0GB. [2023-12-16 17:38:59,146 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 229.6MB. Free memory is still 183.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 379.04ms. Allocated memory is still 354.4MB. Free memory was 305.6MB in the beginning and 280.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.45ms. Allocated memory is still 354.4MB. Free memory was 280.4MB in the beginning and 278.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.92ms. Allocated memory is still 354.4MB. Free memory was 278.3MB in the beginning and 276.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 417.93ms. Allocated memory is still 354.4MB. Free memory was 275.9MB in the beginning and 318.4MB in the end (delta: -42.5MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. * TraceAbstraction took 2216.99ms. Allocated memory is still 354.4MB. Free memory was 317.9MB in the beginning and 199.4MB in the end (delta: 118.5MB). Peak memory consumption was 118.5MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] - GenericResultAtLocation [Line: 163]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [163] - GenericResultAtLocation [Line: 201]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201] - GenericResultAtLocation [Line: 300]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [309] - GenericResultAtLocation [Line: 675]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [675] - GenericResultAtLocation [Line: 852]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [852] * 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: 305]: 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 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 630 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 340 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 290 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred 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, 23 LocationsWithAnnotation, 213 PreInvPairs, 237 NumberOfFragments, 88 HoareAnnotationTreeSize, 213 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FormulaSimplificationsInter, 609 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 202 SizeOfPredicates, 5 NumberOfNonLiveVariables, 385 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: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0) && (0 == pumpRunning)) RESULT: Ultimate proved your program to be correct! [2023-12-16 17:38:59,173 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...