/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_spec3_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:02:25,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:02:25,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:02:25,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:02:25,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:02:25,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:02:25,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:02:25,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:02:25,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:02:25,675 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:02:25,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:02:25,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:02:25,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:02:25,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:02:25,677 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:02:25,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:02:25,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:02:25,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:02:25,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:02:25,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:02:25,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:02:25,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:02:25,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:02:25,681 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:02:25,681 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:02:25,681 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:02:25,681 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:02:25,681 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:02:25,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:02:25,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:02:25,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:02:25,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:02:25,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:02:25,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:02:25,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:25,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:02:25,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:02:25,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:02:25,684 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:02:25,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:02:25,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:02:25,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:02:25,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:02:25,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:02:25,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:02:25,685 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:02:25,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:02:25,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:02:26,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:02:26,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:02:26,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:02:26,023 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:02:26,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c [2023-12-25 06:02:27,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:02:27,550 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:02:27,551 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c [2023-12-25 06:02:27,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d22cec714/6dca10eeca214dd6aecc835b4784a623/FLAG62e3a1623 [2023-12-25 06:02:27,573 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d22cec714/6dca10eeca214dd6aecc835b4784a623 [2023-12-25 06:02:27,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:02:27,576 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:02:27,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:27,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:02:27,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:02:27,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:27" (1/1) ... [2023-12-25 06:02:27,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748e4fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:27, skipping insertion in model container [2023-12-25 06:02:27,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:27" (1/1) ... [2023-12-25 06:02:27,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:27,766 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_spec3_product19.cil.c[1605,1618] [2023-12-25 06:02:27,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:27,928 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:02:27,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:27,950 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_spec3_product19.cil.c[1605,1618] [2023-12-25 06:02:27,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:28,001 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:02:28,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-12-25 06:02:28,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-12-25 06:02:28,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] [2023-12-25 06:02:28,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [133] [2023-12-25 06:02:28,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] [2023-12-25 06:02:28,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [600] [2023-12-25 06:02:28,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] [2023-12-25 06:02:28,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2023-12-25 06:02:28,016 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_spec3_product19.cil.c[1605,1618] [2023-12-25 06:02:28,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:28,065 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:02:28,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28 WrapperNode [2023-12-25 06:02:28,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:28,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:28,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:02:28,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:02:28,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,113 INFO L138 Inliner]: procedures = 55, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 165 [2023-12-25 06:02:28,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:28,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:02:28,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:02:28,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:02:28,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,159 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]. [2023-12-25 06:02:28,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:02:28,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:02:28,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:02:28,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:02:28,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (1/1) ... [2023-12-25 06:02:28,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:02:28,236 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) [2023-12-25 06:02:28,238 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 [2023-12-25 06:02:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:02:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:02:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:02:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:02:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:02:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:02:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:02:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:02:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:02:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:02:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:02:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:02:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:02:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:02:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:02:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:02:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:02:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:02:28,322 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:02:28,323 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:02:28,626 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:02:28,702 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:02:28,703 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:02:28,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:28 BoogieIcfgContainer [2023-12-25 06:02:28,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:02:28,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:02:28,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:02:28,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:02:28,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:02:27" (1/3) ... [2023-12-25 06:02:28,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36bb1fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:28, skipping insertion in model container [2023-12-25 06:02:28,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:28" (2/3) ... [2023-12-25 06:02:28,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36bb1fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:28, skipping insertion in model container [2023-12-25 06:02:28,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:28" (3/3) ... [2023-12-25 06:02:28,710 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2023-12-25 06:02:28,726 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:02:28,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:02:28,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:02:28,785 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;@436e52ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:02:28,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:02:28,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 43 states have (on average 1.558139534883721) internal successors, (67), 50 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:02:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:02:28,798 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:28,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:28,799 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:28,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:28,806 INFO L85 PathProgramCache]: Analyzing trace with hash -565203518, now seen corresponding path program 1 times [2023-12-25 06:02:28,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:28,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349328300] [2023-12-25 06:02:28,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:28,819 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 [2023-12-25 06:02:28,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:28,820 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) [2023-12-25 06:02:28,822 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 [2023-12-25 06:02:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:28,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:02:28,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:28,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:28,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:28,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349328300] [2023-12-25 06:02:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349328300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:28,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:28,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:28,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221993437] [2023-12-25 06:02:28,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:28,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:02:28,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:28,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:02:28,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:02:28,980 INFO L87 Difference]: Start difference. First operand has 63 states, 43 states have (on average 1.558139534883721) internal successors, (67), 50 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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) [2023-12-25 06:02:29,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:29,038 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2023-12-25 06:02:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:02:29,040 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 [2023-12-25 06:02:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:29,048 INFO L225 Difference]: With dead ends: 124 [2023-12-25 06:02:29,049 INFO L226 Difference]: Without dead ends: 58 [2023-12-25 06:02:29,052 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 [2023-12-25 06:02:29,057 INFO L413 NwaCegarLoop]: 70 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, 70 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 [2023-12-25 06:02:29,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:29,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-25 06:02:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-12-25 06:02:29,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.425) internal successors, (57), 46 states have internal predecessors, (57), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 06:02:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2023-12-25 06:02:29,089 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 17 [2023-12-25 06:02:29,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:29,089 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2023-12-25 06:02:29,089 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) [2023-12-25 06:02:29,089 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-12-25 06:02:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:02:29,091 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:29,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:29,143 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 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:29,296 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 [2023-12-25 06:02:29,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:29,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash 548206360, now seen corresponding path program 1 times [2023-12-25 06:02:29,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:29,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268889337] [2023-12-25 06:02:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:29,299 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 [2023-12-25 06:02:29,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:29,300 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) [2023-12-25 06:02:29,304 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 [2023-12-25 06:02:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:29,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:29,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:29,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:29,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268889337] [2023-12-25 06:02:29,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268889337] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:29,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:29,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:29,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417529909] [2023-12-25 06:02:29,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:29,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:29,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:29,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:29,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:29,371 INFO L87 Difference]: Start difference. First operand 58 states and 78 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) [2023-12-25 06:02:29,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:29,422 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2023-12-25 06:02:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:29,422 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 [2023-12-25 06:02:29,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:29,424 INFO L225 Difference]: With dead ends: 86 [2023-12-25 06:02:29,425 INFO L226 Difference]: Without dead ends: 50 [2023-12-25 06:02:29,426 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 [2023-12-25 06:02:29,427 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 95 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 [2023-12-25 06:02:29,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 95 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:29,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-25 06:02:29,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-25 06:02:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.457142857142857) internal successors, (51), 41 states have internal predecessors, (51), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-25 06:02:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-12-25 06:02:29,445 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 18 [2023-12-25 06:02:29,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:29,446 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-12-25 06:02:29,446 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) [2023-12-25 06:02:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-12-25 06:02:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:02:29,447 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:29,447 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] [2023-12-25 06:02:29,449 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 [2023-12-25 06:02:29,647 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 [2023-12-25 06:02:29,648 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:29,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:29,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1356537006, now seen corresponding path program 1 times [2023-12-25 06:02:29,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:29,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397817214] [2023-12-25 06:02:29,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:29,650 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 [2023-12-25 06:02:29,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:29,651 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) [2023-12-25 06:02:29,654 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 [2023-12-25 06:02:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:29,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:29,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:29,719 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:29,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:29,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397817214] [2023-12-25 06:02:29,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397817214] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:29,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:29,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:29,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522775249] [2023-12-25 06:02:29,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:29,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:29,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:29,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:29,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:29,722 INFO L87 Difference]: Start difference. First operand 50 states and 67 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) [2023-12-25 06:02:29,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:29,792 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-12-25 06:02:29,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:29,792 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 [2023-12-25 06:02:29,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:29,794 INFO L225 Difference]: With dead ends: 146 [2023-12-25 06:02:29,794 INFO L226 Difference]: Without dead ends: 98 [2023-12-25 06:02:29,795 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 [2023-12-25 06:02:29,795 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 54 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:29,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 120 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-25 06:02:29,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2023-12-25 06:02:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 77 states have internal predecessors, (97), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 06:02:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2023-12-25 06:02:29,811 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 21 [2023-12-25 06:02:29,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:29,811 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2023-12-25 06:02:29,812 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) [2023-12-25 06:02:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2023-12-25 06:02:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-25 06:02:29,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:29,813 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] [2023-12-25 06:02:29,820 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 [2023-12-25 06:02:30,015 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 [2023-12-25 06:02:30,016 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:30,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:30,016 INFO L85 PathProgramCache]: Analyzing trace with hash 714483914, now seen corresponding path program 1 times [2023-12-25 06:02:30,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:30,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931983754] [2023-12-25 06:02:30,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:30,017 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 [2023-12-25 06:02:30,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:30,019 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) [2023-12-25 06:02:30,022 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 [2023-12-25 06:02:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:30,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:02:30,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:30,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:30,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:30,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931983754] [2023-12-25 06:02:30,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931983754] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:30,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:30,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:30,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241593706] [2023-12-25 06:02:30,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:30,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:30,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:30,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:30,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:30,132 INFO L87 Difference]: Start difference. First operand 95 states and 129 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 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) [2023-12-25 06:02:30,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:30,221 INFO L93 Difference]: Finished difference Result 273 states and 382 transitions. [2023-12-25 06:02:30,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:30,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 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 [2023-12-25 06:02:30,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:30,229 INFO L225 Difference]: With dead ends: 273 [2023-12-25 06:02:30,229 INFO L226 Difference]: Without dead ends: 180 [2023-12-25 06:02:30,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:02:30,237 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 37 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:30,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 157 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:30,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-12-25 06:02:30,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 178. [2023-12-25 06:02:30,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 123 states have (on average 1.4390243902439024) internal successors, (177), 142 states have internal predecessors, (177), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (34), 20 states have call predecessors, (34), 32 states have call successors, (34) [2023-12-25 06:02:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 243 transitions. [2023-12-25 06:02:30,287 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 243 transitions. Word has length 24 [2023-12-25 06:02:30,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:30,287 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 243 transitions. [2023-12-25 06:02:30,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 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) [2023-12-25 06:02:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 243 transitions. [2023-12-25 06:02:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:02:30,296 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:30,297 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] [2023-12-25 06:02:30,303 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 [2023-12-25 06:02:30,499 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 [2023-12-25 06:02:30,500 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:30,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:30,500 INFO L85 PathProgramCache]: Analyzing trace with hash 370776485, now seen corresponding path program 1 times [2023-12-25 06:02:30,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:30,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060053579] [2023-12-25 06:02:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:30,501 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 [2023-12-25 06:02:30,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:30,502 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) [2023-12-25 06:02:30,509 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 [2023-12-25 06:02:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:30,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:30,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:30,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:30,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:30,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060053579] [2023-12-25 06:02:30,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060053579] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:30,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:30,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:30,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619428141] [2023-12-25 06:02:30,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:30,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:30,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:30,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:30,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:30,583 INFO L87 Difference]: Start difference. First operand 178 states and 243 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2023-12-25 06:02:30,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:30,614 INFO L93 Difference]: Finished difference Result 316 states and 432 transitions. [2023-12-25 06:02:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:30,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 26 [2023-12-25 06:02:30,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:30,617 INFO L225 Difference]: With dead ends: 316 [2023-12-25 06:02:30,617 INFO L226 Difference]: Without dead ends: 140 [2023-12-25 06:02:30,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:30,620 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:30,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 38 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:30,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-12-25 06:02:30,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2023-12-25 06:02:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 99 states have (on average 1.3232323232323233) internal successors, (131), 106 states have internal predecessors, (131), 20 states have call successors, (20), 20 states have call predecessors, (20), 18 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 06:02:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 171 transitions. [2023-12-25 06:02:30,672 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 171 transitions. Word has length 26 [2023-12-25 06:02:30,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:30,672 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 171 transitions. [2023-12-25 06:02:30,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2023-12-25 06:02:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 171 transitions. [2023-12-25 06:02:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-25 06:02:30,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:30,674 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] [2023-12-25 06:02:30,679 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 [2023-12-25 06:02:30,876 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 [2023-12-25 06:02:30,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:30,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:30,877 INFO L85 PathProgramCache]: Analyzing trace with hash -883523408, now seen corresponding path program 1 times [2023-12-25 06:02:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:30,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853134563] [2023-12-25 06:02:30,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:30,878 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 [2023-12-25 06:02:30,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:30,880 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2023-12-25 06:02:30,881 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 (7)] Waiting until timeout for monitored process [2023-12-25 06:02:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-25 06:02:30,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-25 06:02:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-25 06:02:30,972 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-12-25 06:02:30,972 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-25 06:02:30,973 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:02:30,983 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 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:31,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2023-12-25 06:02:31,182 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-25 06:02:31,185 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:02:31,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:31 BoogieIcfgContainer [2023-12-25 06:02:31,248 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:02:31,249 INFO L158 Benchmark]: Toolchain (without parser) took 3672.31ms. Allocated memory is still 317.7MB. Free memory was 269.0MB in the beginning and 272.6MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:02:31,249 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 212.9MB. Free memory was 163.4MB in the beginning and 163.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:02:31,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.54ms. Allocated memory is still 317.7MB. Free memory was 268.8MB in the beginning and 243.4MB in the end (delta: 25.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-25 06:02:31,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.00ms. Allocated memory is still 317.7MB. Free memory was 243.4MB in the beginning and 241.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:31,250 INFO L158 Benchmark]: Boogie Preprocessor took 71.40ms. Allocated memory is still 317.7MB. Free memory was 241.3MB in the beginning and 238.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:31,250 INFO L158 Benchmark]: RCFGBuilder took 517.39ms. Allocated memory is still 317.7MB. Free memory was 238.9MB in the beginning and 270.9MB in the end (delta: -32.0MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. [2023-12-25 06:02:31,250 INFO L158 Benchmark]: TraceAbstraction took 2543.24ms. Allocated memory is still 317.7MB. Free memory was 269.8MB in the beginning and 272.6MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:02:31,252 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 212.9MB. Free memory was 163.4MB in the beginning and 163.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 488.54ms. Allocated memory is still 317.7MB. Free memory was 268.8MB in the beginning and 243.4MB in the end (delta: 25.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.00ms. Allocated memory is still 317.7MB. Free memory was 243.4MB in the beginning and 241.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.40ms. Allocated memory is still 317.7MB. Free memory was 241.3MB in the beginning and 238.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 517.39ms. Allocated memory is still 317.7MB. Free memory was 238.9MB in the beginning and 270.9MB in the end (delta: -32.0MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2543.24ms. Allocated memory is still 317.7MB. Free memory was 269.8MB in the beginning and 272.6MB in the end (delta: -2.8MB). There was no memory consumed. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [133] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [600] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] - GenericResultAtLocation [Line: 760]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int cleanupTimeShifts = 4; [L604] int waterLevel = 1; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L704] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] COND TRUE splverifierCounter < 4 [L712] tmp = __VERIFIER_nondet_int() [L714] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1] [L716] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L622] COND TRUE waterLevel < 2 [L623] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L716] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2] [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, tmp___0=0, waterLevel=2] [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND FALSE !(\read(tmp___2)) [L738] tmp___1 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___1) [L742] CALL stopSystem() [L918] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L925] systemActive = 0 [L742] RET stopSystem() [L749] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L770] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L777] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND TRUE tmp___0 == 2 [L117] CALL, EXPR isPumpRunning() [L851] int retValue_acc ; [L854] retValue_acc = pumpRunning [L855] return (retValue_acc); [L117] RET, EXPR isPumpRunning() [L117] tmp___1 = isPumpRunning() [L119] COND FALSE !(\read(tmp___1)) [L123] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 480 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 197 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 283 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 195 SizeOfPredicates, 4 NumberOfNonLiveVariables, 395 ConjunctsInSsa, 15 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 RESULT: Ultimate proved your program to be incorrect! [2023-12-25 06:02:31,284 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...