/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_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:04:53,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:04:53,257 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 06:04:53,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:04:53,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:04:53,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:04:53,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:04:53,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:04:53,293 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:04:53,296 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:04:53,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:04:53,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:04:53,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:04:53,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:04:53,299 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:04:53,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:04:53,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:04:53,299 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:04:53,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:04:53,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:04:53,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:04:53,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:04:53,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:04:53,302 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:04:53,302 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:04:53,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:04:53,302 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:04:53,302 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:04:53,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:04:53,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:04:53,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:04:53,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:04:53,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:04:53,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:04:53,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:53,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:04:53,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:04:53,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:04:53,304 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:04:53,304 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:04:53,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:04:53,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:04:53,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:04:53,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:04:53,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:04:53,305 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:04:53,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:04:53,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:04:53,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:04:53,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:04:53,534 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:04:53,536 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:04:53,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2023-12-25 06:04:54,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:04:54,926 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:04:54,927 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2023-12-25 06:04:54,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a2d787c/7c0ebfbab928476da9c32097bf6af4dd/FLAG8fa0cd6d3 [2023-12-25 06:04:54,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a2d787c/7c0ebfbab928476da9c32097bf6af4dd [2023-12-25 06:04:54,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:04:54,951 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:04:54,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:54,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:04:54,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:04:54,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:54" (1/1) ... [2023-12-25 06:04:54,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef648f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:54, skipping insertion in model container [2023-12-25 06:04:54,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:54" (1/1) ... [2023-12-25 06:04:54,997 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:55,144 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_spec5_product54.cil.c[3971,3984] [2023-12-25 06:04:55,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:55,243 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:04:55,255 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:55,274 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_spec5_product54.cil.c[3971,3984] [2023-12-25 06:04:55,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:55,336 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:04:55,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-12-25 06:04:55,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [101] [2023-12-25 06:04:55,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] [2023-12-25 06:04:55,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] [2023-12-25 06:04:55,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [323] [2023-12-25 06:04:55,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [560] [2023-12-25 06:04:55,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [627] [2023-12-25 06:04:55,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [662] [2023-12-25 06:04:55,371 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_spec5_product54.cil.c[3971,3984] [2023-12-25 06:04:55,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:55,435 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:04:55,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55 WrapperNode [2023-12-25 06:04:55,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:55,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:55,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:04:55,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:04:55,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,497 INFO L138 Inliner]: procedures = 61, calls = 106, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 222 [2023-12-25 06:04:55,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:55,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:04:55,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:04:55,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:04:55,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,544 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 06:04:55,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:04:55,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:04:55,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:04:55,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:04:55,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (1/1) ... [2023-12-25 06:04:55,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:55,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:04:55,606 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 06:04:55,628 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 06:04:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:04:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:04:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:04:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:04:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:04:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:04:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:04:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:04:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:04:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:04:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:04:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-25 06:04:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-25 06:04:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:04:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-25 06:04:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-25 06:04:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:04:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:04:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:04:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:04:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:04:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:04:55,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:04:55,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:04:56,100 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:04:56,234 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:04:56,234 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:04:56,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:56 BoogieIcfgContainer [2023-12-25 06:04:56,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:04:56,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:04:56,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:04:56,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:04:56,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:04:54" (1/3) ... [2023-12-25 06:04:56,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2657bd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:56, skipping insertion in model container [2023-12-25 06:04:56,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:55" (2/3) ... [2023-12-25 06:04:56,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2657bd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:56, skipping insertion in model container [2023-12-25 06:04:56,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:56" (3/3) ... [2023-12-25 06:04:56,242 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2023-12-25 06:04:56,257 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:04:56,257 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:04:56,301 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:04:56,308 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;@2cc2810, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:04:56,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:04:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 65 states have internal predecessors, (84), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 06:04:56,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-25 06:04:56,326 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:56,326 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:56,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:56,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:56,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1970980526, now seen corresponding path program 1 times [2023-12-25 06:04:56,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:56,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132443924] [2023-12-25 06:04:56,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:56,346 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 06:04:56,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:56,376 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 06:04:56,432 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 06:04:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:56,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:04:56,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:04:56,534 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:56,534 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:56,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132443924] [2023-12-25 06:04:56,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132443924] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:56,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:56,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:56,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164653068] [2023-12-25 06:04:56,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:56,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:04:56,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:56,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:04:56,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:04:56,573 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 65 states have internal predecessors, (84), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:56,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:56,641 INFO L93 Difference]: Finished difference Result 162 states and 233 transitions. [2023-12-25 06:04:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:04:56,644 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-25 06:04:56,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:56,652 INFO L225 Difference]: With dead ends: 162 [2023-12-25 06:04:56,652 INFO L226 Difference]: Without dead ends: 77 [2023-12-25 06:04:56,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 06:04:56,659 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:56,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:56,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-25 06:04:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-25 06:04:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 61 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:04:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2023-12-25 06:04:56,698 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 22 [2023-12-25 06:04:56,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:56,699 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2023-12-25 06:04:56,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2023-12-25 06:04:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-25 06:04:56,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:56,704 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:56,710 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 06:04:56,907 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 06:04:56,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:56,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1423974431, now seen corresponding path program 1 times [2023-12-25 06:04:56,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:56,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146343081] [2023-12-25 06:04:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:56,911 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 06:04:56,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:56,930 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 06:04:56,945 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 06:04:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:56,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:57,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:04:57,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:57,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:57,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146343081] [2023-12-25 06:04:57,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146343081] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:57,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:57,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:57,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824540584] [2023-12-25 06:04:57,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:57,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:57,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:57,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:57,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:57,033 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:57,068 INFO L93 Difference]: Finished difference Result 127 states and 173 transitions. [2023-12-25 06:04:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:57,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-25 06:04:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:57,070 INFO L225 Difference]: With dead ends: 127 [2023-12-25 06:04:57,070 INFO L226 Difference]: Without dead ends: 69 [2023-12-25 06:04:57,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 06:04:57,071 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 11 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:57,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 147 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:57,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-25 06:04:57,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-25 06:04:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.446808510638298) internal successors, (68), 56 states have internal predecessors, (68), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 06:04:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-12-25 06:04:57,080 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 23 [2023-12-25 06:04:57,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:57,080 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-12-25 06:04:57,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-25 06:04:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:04:57,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:57,081 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:57,101 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 06:04:57,301 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 06:04:57,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:57,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:57,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1817255720, now seen corresponding path program 1 times [2023-12-25 06:04:57,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:57,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242042673] [2023-12-25 06:04:57,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:57,303 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 06:04:57,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:57,308 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 06:04:57,314 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 06:04:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:57,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:57,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:57,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:57,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:57,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242042673] [2023-12-25 06:04:57,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242042673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:57,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:57,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:57,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895194187] [2023-12-25 06:04:57,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:57,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:57,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:57,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:57,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:57,371 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:04:57,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:57,398 INFO L93 Difference]: Finished difference Result 136 states and 187 transitions. [2023-12-25 06:04:57,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:57,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-25 06:04:57,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:57,400 INFO L225 Difference]: With dead ends: 136 [2023-12-25 06:04:57,400 INFO L226 Difference]: Without dead ends: 69 [2023-12-25 06:04:57,400 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 06:04:57,401 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 84 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:57,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 78 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:57,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-25 06:04:57,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-25 06:04:57,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 56 states have internal predecessors, (67), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 06:04:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions. [2023-12-25 06:04:57,410 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 26 [2023-12-25 06:04:57,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:57,412 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 93 transitions. [2023-12-25 06:04:57,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:04:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2023-12-25 06:04:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-25 06:04:57,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:57,413 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:57,424 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 06:04:57,616 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 06:04:57,619 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:57,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:57,623 INFO L85 PathProgramCache]: Analyzing trace with hash -879939335, now seen corresponding path program 1 times [2023-12-25 06:04:57,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:57,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424205489] [2023-12-25 06:04:57,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:57,623 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 06:04:57,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:57,633 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 06:04:57,634 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 06:04:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:57,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:57,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:57,741 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:57,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:57,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424205489] [2023-12-25 06:04:57,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424205489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:57,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:57,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:57,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790562127] [2023-12-25 06:04:57,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:57,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:57,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:57,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:57,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:57,743 INFO L87 Difference]: Start difference. First operand 69 states and 93 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:04:57,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:57,814 INFO L93 Difference]: Finished difference Result 182 states and 251 transitions. [2023-12-25 06:04:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:57,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2023-12-25 06:04:57,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:57,822 INFO L225 Difference]: With dead ends: 182 [2023-12-25 06:04:57,822 INFO L226 Difference]: Without dead ends: 115 [2023-12-25 06:04:57,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 06:04:57,828 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 55 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:57,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 154 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:57,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-25 06:04:57,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2023-12-25 06:04:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 87 states have internal predecessors, (108), 18 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (24), 16 states have call predecessors, (24), 18 states have call successors, (24) [2023-12-25 06:04:57,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 150 transitions. [2023-12-25 06:04:57,857 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 150 transitions. Word has length 32 [2023-12-25 06:04:57,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:57,857 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 150 transitions. [2023-12-25 06:04:57,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:04:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 150 transitions. [2023-12-25 06:04:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-25 06:04:57,860 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:57,860 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:57,868 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 06:04:58,063 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 06:04:58,064 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:58,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:58,064 INFO L85 PathProgramCache]: Analyzing trace with hash 485214160, now seen corresponding path program 1 times [2023-12-25 06:04:58,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:58,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367718385] [2023-12-25 06:04:58,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:58,065 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 06:04:58,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:58,066 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 06:04:58,091 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 06:04:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:58,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:58,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:58,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:58,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:58,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367718385] [2023-12-25 06:04:58,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367718385] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:58,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:58,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:58,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398059457] [2023-12-25 06:04:58,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:58,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:58,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:58,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:58,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:58,154 INFO L87 Difference]: Start difference. First operand 113 states and 150 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:58,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:58,203 INFO L93 Difference]: Finished difference Result 226 states and 307 transitions. [2023-12-25 06:04:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:58,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2023-12-25 06:04:58,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:58,205 INFO L225 Difference]: With dead ends: 226 [2023-12-25 06:04:58,205 INFO L226 Difference]: Without dead ends: 115 [2023-12-25 06:04:58,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:58,206 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:58,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 237 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:58,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-25 06:04:58,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-12-25 06:04:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 89 states have internal predecessors, (110), 18 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (24), 16 states have call predecessors, (24), 18 states have call successors, (24) [2023-12-25 06:04:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 152 transitions. [2023-12-25 06:04:58,217 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 152 transitions. Word has length 43 [2023-12-25 06:04:58,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:58,217 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 152 transitions. [2023-12-25 06:04:58,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2023-12-25 06:04:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-25 06:04:58,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:58,218 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:58,223 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 06:04:58,421 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 06:04:58,421 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:58,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:58,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1103133742, now seen corresponding path program 1 times [2023-12-25 06:04:58,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:58,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889325097] [2023-12-25 06:04:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:58,422 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 06:04:58,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:58,424 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 06:04:58,425 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 06:04:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:58,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:58,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:58,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:58,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889325097] [2023-12-25 06:04:58,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889325097] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:58,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:58,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:58,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179863074] [2023-12-25 06:04:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:58,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:58,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:58,480 INFO L87 Difference]: Start difference. First operand 115 states and 152 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:58,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:58,529 INFO L93 Difference]: Finished difference Result 235 states and 324 transitions. [2023-12-25 06:04:58,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:58,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2023-12-25 06:04:58,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:58,530 INFO L225 Difference]: With dead ends: 235 [2023-12-25 06:04:58,530 INFO L226 Difference]: Without dead ends: 122 [2023-12-25 06:04:58,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 06:04:58,531 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 6 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:58,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 237 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:58,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-12-25 06:04:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 117. [2023-12-25 06:04:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 91 states have internal predecessors, (112), 18 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (24), 16 states have call predecessors, (24), 18 states have call successors, (24) [2023-12-25 06:04:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 154 transitions. [2023-12-25 06:04:58,541 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 154 transitions. Word has length 43 [2023-12-25 06:04:58,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:58,541 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 154 transitions. [2023-12-25 06:04:58,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 154 transitions. [2023-12-25 06:04:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-25 06:04:58,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:58,543 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:58,561 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 06:04:58,762 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 06:04:58,762 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:58,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:58,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1502889812, now seen corresponding path program 1 times [2023-12-25 06:04:58,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:58,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848368226] [2023-12-25 06:04:58,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:58,763 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 06:04:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:58,777 INFO L229 MonitoredProcess]: Starting monitored process 8 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 06:04:58,804 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 (8)] Waiting until timeout for monitored process [2023-12-25 06:04:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:58,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:58,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:58,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:58,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:58,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848368226] [2023-12-25 06:04:58,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1848368226] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:58,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:58,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:58,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863736610] [2023-12-25 06:04:58,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:58,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:58,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:58,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:58,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:58,880 INFO L87 Difference]: Start difference. First operand 117 states and 154 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:58,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:58,921 INFO L93 Difference]: Finished difference Result 284 states and 376 transitions. [2023-12-25 06:04:58,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:58,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2023-12-25 06:04:58,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:58,922 INFO L225 Difference]: With dead ends: 284 [2023-12-25 06:04:58,923 INFO L226 Difference]: Without dead ends: 169 [2023-12-25 06:04:58,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 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 06:04:58,923 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 37 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:58,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 157 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:58,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-12-25 06:04:58,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2023-12-25 06:04:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 128 states have internal predecessors, (156), 26 states have call successors, (26), 22 states have call predecessors, (26), 21 states have return successors, (32), 23 states have call predecessors, (32), 26 states have call successors, (32) [2023-12-25 06:04:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 214 transitions. [2023-12-25 06:04:58,936 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 214 transitions. Word has length 43 [2023-12-25 06:04:58,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:58,937 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 214 transitions. [2023-12-25 06:04:58,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 214 transitions. [2023-12-25 06:04:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-25 06:04:58,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:58,938 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:58,950 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 (8)] Ended with exit code 0 [2023-12-25 06:04:59,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 06:04:59,141 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:59,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1138177469, now seen corresponding path program 1 times [2023-12-25 06:04:59,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:59,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748448147] [2023-12-25 06:04:59,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:59,143 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 06:04:59,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:59,157 INFO L229 MonitoredProcess]: Starting monitored process 9 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 06:04:59,186 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 (9)] Waiting until timeout for monitored process [2023-12-25 06:04:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:59,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:04:59,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-25 06:04:59,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:59,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:59,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748448147] [2023-12-25 06:04:59,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748448147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:59,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:59,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 06:04:59,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253635836] [2023-12-25 06:04:59,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:59,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:04:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:59,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:04:59,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:04:59,307 INFO L87 Difference]: Start difference. First operand 167 states and 214 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:04:59,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:59,587 INFO L93 Difference]: Finished difference Result 360 states and 461 transitions. [2023-12-25 06:04:59,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 06:04:59,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2023-12-25 06:04:59,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:59,590 INFO L225 Difference]: With dead ends: 360 [2023-12-25 06:04:59,590 INFO L226 Difference]: Without dead ends: 195 [2023-12-25 06:04:59,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:04:59,592 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 99 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:59,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 297 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:04:59,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-12-25 06:04:59,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 188. [2023-12-25 06:04:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 133 states have (on average 1.2781954887218046) internal successors, (170), 142 states have internal predecessors, (170), 28 states have call successors, (28), 22 states have call predecessors, (28), 26 states have return successors, (39), 29 states have call predecessors, (39), 28 states have call successors, (39) [2023-12-25 06:04:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 237 transitions. [2023-12-25 06:04:59,613 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 237 transitions. Word has length 46 [2023-12-25 06:04:59,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:59,613 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 237 transitions. [2023-12-25 06:04:59,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:04:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 237 transitions. [2023-12-25 06:04:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-25 06:04:59,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:59,614 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:59,627 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 (9)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:59,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 06:04:59,817 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:59,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:59,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1104519698, now seen corresponding path program 1 times [2023-12-25 06:04:59,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:59,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044244360] [2023-12-25 06:04:59,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:59,818 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 06:04:59,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:59,819 INFO L229 MonitoredProcess]: Starting monitored process 10 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 06:04:59,860 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 (10)] Waiting until timeout for monitored process [2023-12-25 06:04:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:59,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:04:59,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:59,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:59,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:59,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044244360] [2023-12-25 06:04:59,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1044244360] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:59,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:59,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:04:59,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688248755] [2023-12-25 06:04:59,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:59,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:04:59,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:59,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:04:59,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:04:59,960 INFO L87 Difference]: Start difference. First operand 188 states and 237 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:05:00,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:00,334 INFO L93 Difference]: Finished difference Result 597 states and 795 transitions. [2023-12-25 06:05:00,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:05:00,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 47 [2023-12-25 06:05:00,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:00,337 INFO L225 Difference]: With dead ends: 597 [2023-12-25 06:05:00,337 INFO L226 Difference]: Without dead ends: 460 [2023-12-25 06:05:00,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:05:00,338 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 219 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:00,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 306 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:05:00,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2023-12-25 06:05:00,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 412. [2023-12-25 06:05:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 290 states have (on average 1.2689655172413794) internal successors, (368), 313 states have internal predecessors, (368), 63 states have call successors, (63), 47 states have call predecessors, (63), 58 states have return successors, (91), 63 states have call predecessors, (91), 63 states have call successors, (91) [2023-12-25 06:05:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 522 transitions. [2023-12-25 06:05:00,366 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 522 transitions. Word has length 47 [2023-12-25 06:05:00,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:00,366 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 522 transitions. [2023-12-25 06:05:00,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:05:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 522 transitions. [2023-12-25 06:05:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 06:05:00,367 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:00,367 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:00,372 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 (10)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:00,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 06:05:00,570 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:00,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1327993652, now seen corresponding path program 1 times [2023-12-25 06:05:00,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:00,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321848215] [2023-12-25 06:05:00,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:00,571 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 06:05:00,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:00,572 INFO L229 MonitoredProcess]: Starting monitored process 11 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 06:05:00,600 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 (11)] Waiting until timeout for monitored process [2023-12-25 06:05:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:00,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:05:00,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-25 06:05:00,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:05:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-25 06:05:00,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:00,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321848215] [2023-12-25 06:05:00,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321848215] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:05:00,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:05:00,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2023-12-25 06:05:00,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436028802] [2023-12-25 06:05:00,954 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:05:00,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 06:05:00,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:00,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 06:05:00,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:05:00,955 INFO L87 Difference]: Start difference. First operand 412 states and 522 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 13 states have internal predecessors, (100), 9 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2023-12-25 06:05:01,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:01,507 INFO L93 Difference]: Finished difference Result 973 states and 1291 transitions. [2023-12-25 06:05:01,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 06:05:01,507 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 13 states have internal predecessors, (100), 9 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 87 [2023-12-25 06:05:01,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:01,510 INFO L225 Difference]: With dead ends: 973 [2023-12-25 06:05:01,510 INFO L226 Difference]: Without dead ends: 610 [2023-12-25 06:05:01,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2023-12-25 06:05:01,512 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 400 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:01,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 506 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:05:01,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2023-12-25 06:05:01,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 603. [2023-12-25 06:05:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 422 states have (on average 1.2511848341232228) internal successors, (528), 455 states have internal predecessors, (528), 95 states have call successors, (95), 73 states have call predecessors, (95), 85 states have return successors, (124), 92 states have call predecessors, (124), 95 states have call successors, (124) [2023-12-25 06:05:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 747 transitions. [2023-12-25 06:05:01,549 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 747 transitions. Word has length 87 [2023-12-25 06:05:01,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:01,550 INFO L495 AbstractCegarLoop]: Abstraction has 603 states and 747 transitions. [2023-12-25 06:05:01,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 13 states have internal predecessors, (100), 9 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2023-12-25 06:05:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 747 transitions. [2023-12-25 06:05:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 06:05:01,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:01,551 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:01,565 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 (11)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:01,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /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 06:05:01,754 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:01,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1161535310, now seen corresponding path program 1 times [2023-12-25 06:05:01,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:01,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561955104] [2023-12-25 06:05:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:01,756 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 06:05:01,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:01,757 INFO L229 MonitoredProcess]: Starting monitored process 12 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 06:05:01,783 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 (12)] Waiting until timeout for monitored process [2023-12-25 06:05:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:01,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:05:01,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-25 06:05:01,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:01,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:01,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561955104] [2023-12-25 06:05:01,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561955104] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:01,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:01,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:05:01,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567844385] [2023-12-25 06:05:01,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:01,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:05:01,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:01,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:05:01,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:05:01,825 INFO L87 Difference]: Start difference. First operand 603 states and 747 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-25 06:05:01,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:01,863 INFO L93 Difference]: Finished difference Result 762 states and 941 transitions. [2023-12-25 06:05:01,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:05:01,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 87 [2023-12-25 06:05:01,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:01,864 INFO L225 Difference]: With dead ends: 762 [2023-12-25 06:05:01,865 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:05:01,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:05:01,866 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 2 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:01,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 200 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:05:01,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:05:01,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:05:01,867 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) [2023-12-25 06:05:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:05:01,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2023-12-25 06:05:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:01,867 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:05:01,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-25 06:05:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:05:01,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:05:01,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:05:01,875 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 (12)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:02,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /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 06:05:02,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:05:02,777 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 450 457) no Hoare annotation was computed. [2023-12-25 06:05:02,777 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 450 457) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~waterLevel~0 (_ bv1 32)))) [2023-12-25 06:05:02,778 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 357 363) no Hoare annotation was computed. [2023-12-25 06:05:02,778 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 357 363) the Hoare annotation is: true [2023-12-25 06:05:02,778 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 135 146) no Hoare annotation was computed. [2023-12-25 06:05:02,778 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 146) the Hoare annotation is: true [2023-12-25 06:05:02,778 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 135 146) no Hoare annotation was computed. [2023-12-25 06:05:02,778 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-25 06:05:02,778 INFO L895 garLoopResultBuilder]: At program point L436(line 436) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 (_ bv1 32)) .cse0) .cse1 (not .cse2) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse1 (and (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse0)))) [2023-12-25 06:05:02,778 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 417 441) no Hoare annotation was computed. [2023-12-25 06:05:02,778 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 343) no Hoare annotation was computed. [2023-12-25 06:05:02,778 INFO L899 garLoopResultBuilder]: For program point L337-2(lines 333 355) no Hoare annotation was computed. [2023-12-25 06:05:02,778 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2023-12-25 06:05:02,778 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse1 (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse3))) [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L115-2(lines 111 122) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 433) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 438) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 330 356) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (and (= ~waterLevel~0 (_ bv2 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2023-12-25 06:05:02,779 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (and (= ~waterLevel~0 (_ bv2 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 344 350) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-12-25 06:05:02,779 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2))) [2023-12-25 06:05:02,779 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2))) [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 330 356) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 223 252) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point L248(lines 223 252) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L902 garLoopResultBuilder]: At program point L237-1(lines 237 241) the Hoare annotation is: true [2023-12-25 06:05:02,780 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 223 252) the Hoare annotation is: true [2023-12-25 06:05:02,780 INFO L902 garLoopResultBuilder]: At program point L233-2(lines 233 247) the Hoare annotation is: true [2023-12-25 06:05:02,780 INFO L902 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: true [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 613) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L895 garLoopResultBuilder]: At program point L609-2(lines 601 614) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point L572(lines 571 618) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 614) no Hoare annotation was computed. [2023-12-25 06:05:02,780 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L622(lines 561 626) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 587) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L895 garLoopResultBuilder]: At program point L619(lines 570 620) the Hoare annotation is: false [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L310-2(lines 310 317) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 597) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L591-1(lines 591 597) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L895 garLoopResultBuilder]: At program point L616(lines 571 618) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:05:02,781 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 198) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L895 garLoopResultBuilder]: At program point L384(line 384) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2023-12-25 06:05:02,781 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 365 389) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-25 06:05:02,781 INFO L899 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 188 201) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 365 389) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L895 garLoopResultBuilder]: At program point L379(line 379) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse3)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| (_ bv0 32)) .cse3 (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 (_ bv1 32))))))) [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 381) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 386) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 123 134) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 123 134) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 123 134) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv2 32)) .cse0))) [2023-12-25 06:05:02,782 INFO L895 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2023-12-25 06:05:02,782 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1) (or .cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= (_ bv1 32) |processEnvironment__wrappee__lowWaterSensor_~tmp~3#1|)) .cse2))) [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 407) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 412) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 391 415) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~waterLevel~0 (_ bv1 32)))))) [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 391 415) no Hoare annotation was computed. [2023-12-25 06:05:02,782 INFO L899 garLoopResultBuilder]: For program point L542-2(lines 542 546) no Hoare annotation was computed. [2023-12-25 06:05:02,783 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not .cse1) .cse2))) [2023-12-25 06:05:02,783 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 391 415) no Hoare annotation was computed. [2023-12-25 06:05:02,783 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 469 477) no Hoare annotation was computed. [2023-12-25 06:05:02,783 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 469 477) the Hoare annotation is: true [2023-12-25 06:05:02,785 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:02,786 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:05:02,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:05:02 BoogieIcfgContainer [2023-12-25 06:05:02,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:05:02,795 INFO L158 Benchmark]: Toolchain (without parser) took 7844.14ms. Allocated memory was 275.8MB in the beginning and 331.4MB in the end (delta: 55.6MB). Free memory was 222.3MB in the beginning and 251.1MB in the end (delta: -28.8MB). Peak memory consumption was 166.7MB. Max. memory is 8.0GB. [2023-12-25 06:05:02,795 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 174.1MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:05:02,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.34ms. Allocated memory is still 275.8MB. Free memory was 222.3MB in the beginning and 195.5MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-25 06:05:02,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.08ms. Allocated memory is still 275.8MB. Free memory was 195.5MB in the beginning and 193.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:02,796 INFO L158 Benchmark]: Boogie Preprocessor took 73.34ms. Allocated memory is still 275.8MB. Free memory was 193.4MB in the beginning and 190.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:02,796 INFO L158 Benchmark]: RCFGBuilder took 662.93ms. Allocated memory is still 275.8MB. Free memory was 190.8MB in the beginning and 230.7MB in the end (delta: -39.9MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:02,797 INFO L158 Benchmark]: TraceAbstraction took 6557.86ms. Allocated memory was 275.8MB in the beginning and 331.4MB in the end (delta: 55.6MB). Free memory was 230.1MB in the beginning and 251.1MB in the end (delta: -21.0MB). Peak memory consumption was 174.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:02,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 174.1MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.34ms. Allocated memory is still 275.8MB. Free memory was 222.3MB in the beginning and 195.5MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.08ms. Allocated memory is still 275.8MB. Free memory was 195.5MB in the beginning and 193.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.34ms. Allocated memory is still 275.8MB. Free memory was 193.4MB in the beginning and 190.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 662.93ms. Allocated memory is still 275.8MB. Free memory was 190.8MB in the beginning and 230.7MB in the end (delta: -39.9MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. * TraceAbstraction took 6557.86ms. Allocated memory was 275.8MB in the beginning and 331.4MB in the end (delta: 55.6MB). Free memory was 230.1MB in the beginning and 251.1MB in the end (delta: -21.0MB). Peak memory consumption was 174.1MB. 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [101] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] - GenericResultAtLocation [Line: 323]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [323] - GenericResultAtLocation [Line: 560]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [560] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [627] - GenericResultAtLocation [Line: 662]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [662] * 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: 216]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 954 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 915 mSDsluCounter, 2413 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1498 mSDsCounter, 285 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1786 IncrementalHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 285 mSolverCounterUnsat, 915 mSDtfsCounter, 1786 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=603occurred in iteration=10, InterpolantAutomatonStates: 63, 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, 11 MinimizatonAttempts, 71 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 733 PreInvPairs, 759 NumberOfFragments, 630 HoareAnnotationTreeSize, 733 FormulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FormulaSimplificationsInter, 607 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 574 ConstructedInterpolants, 0 QuantifiedInterpolants, 1165 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1308 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 97/111 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: 571]: Loop Invariant Derived loop invariant: ((((waterLevel == 2) && (systemActive == 1)) && (splverifierCounter == 0)) || ((((systemActive == 1) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:05:02,821 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...