/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:02:07,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:02:07,257 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 06:02:07,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:02:07,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:02:07,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:02:07,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:02:07,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:02:07,292 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:02:07,296 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:02:07,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:02:07,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:02:07,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:02:07,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:02:07,298 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:02:07,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:02:07,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:02:07,299 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:02:07,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:02:07,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:02:07,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:02:07,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:02:07,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:02:07,301 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:02:07,301 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:02:07,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:02:07,301 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:02:07,302 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:02:07,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:02:07,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:02:07,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:02:07,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:02:07,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:02:07,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:02:07,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:07,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:02:07,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:02:07,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:02:07,304 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:02:07,304 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:02:07,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:02:07,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:02:07,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:02:07,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:02:07,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:02:07,305 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:02:07,306 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:02:07,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:02:07,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:02:07,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:02:07,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:02:07,624 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:02:07,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c [2023-12-25 06:02:08,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:02:09,071 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:02:09,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c [2023-12-25 06:02:09,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af0616bb/d24193f39a3b46918b468962ac2f2f64/FLAG62b1c0a8a [2023-12-25 06:02:09,095 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af0616bb/d24193f39a3b46918b468962ac2f2f64 [2023-12-25 06:02:09,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:02:09,098 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:02:09,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:09,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:02:09,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:02:09,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca8458a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09, skipping insertion in model container [2023-12-25 06:02:09,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,162 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:09,317 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2023-12-25 06:02:09,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:09,429 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:02:09,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:09,444 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2023-12-25 06:02:09,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:09,486 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:02:09,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-25 06:02:09,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] [2023-12-25 06:02:09,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2023-12-25 06:02:09,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] [2023-12-25 06:02:09,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] [2023-12-25 06:02:09,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] [2023-12-25 06:02:09,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] [2023-12-25 06:02:09,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] [2023-12-25 06:02:09,502 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2023-12-25 06:02:09,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:09,580 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:02:09,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09 WrapperNode [2023-12-25 06:02:09,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:09,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:09,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:02:09,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:02:09,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,639 INFO L138 Inliner]: procedures = 61, calls = 104, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 216 [2023-12-25 06:02:09,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:09,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:02:09,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:02:09,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:02:09,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,651 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,669 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 06:02:09,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:02:09,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:02:09,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:02:09,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:02:09,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (1/1) ... [2023-12-25 06:02:09,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:02:09,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:02:09,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:02:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:02:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:02:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:02:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:02:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:02:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:02:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:02:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:02:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:02:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:02:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:02:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:02:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:02:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:02:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:02:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:02:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:02:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:02:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:02:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:02:09,867 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:02:09,871 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:02:10,244 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:02:10,360 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:02:10,360 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:02:10,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:10 BoogieIcfgContainer [2023-12-25 06:02:10,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:02:10,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:02:10,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:02:10,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:02:10,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:02:09" (1/3) ... [2023-12-25 06:02:10,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b67dfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:10, skipping insertion in model container [2023-12-25 06:02:10,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:09" (2/3) ... [2023-12-25 06:02:10,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b67dfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:10, skipping insertion in model container [2023-12-25 06:02:10,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:10" (3/3) ... [2023-12-25 06:02:10,368 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2023-12-25 06:02:10,384 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:02:10,385 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:02:10,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:02:10,446 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;@c424df6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:02:10,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:02:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 54 states have (on average 1.537037037037037) internal successors, (83), 63 states have internal predecessors, (83), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:02:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:02:10,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:10,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:10,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:10,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:10,478 INFO L85 PathProgramCache]: Analyzing trace with hash 481304496, now seen corresponding path program 1 times [2023-12-25 06:02:10,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:10,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433858037] [2023-12-25 06:02:10,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:10,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:10,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:10,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:02:10,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:02:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:10,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:02:10,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:10,603 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:10,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:10,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433858037] [2023-12-25 06:02:10,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433858037] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:10,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:10,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:10,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798520935] [2023-12-25 06:02:10,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:10,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:02:10,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:10,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:02:10,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:02:10,637 INFO L87 Difference]: Start difference. First operand has 78 states, 54 states have (on average 1.537037037037037) internal successors, (83), 63 states have internal predecessors, (83), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:10,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:10,710 INFO L93 Difference]: Finished difference Result 154 states and 223 transitions. [2023-12-25 06:02:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:02:10,713 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-25 06:02:10,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:10,722 INFO L225 Difference]: With dead ends: 154 [2023-12-25 06:02:10,722 INFO L226 Difference]: Without dead ends: 73 [2023-12-25 06:02:10,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:02:10,731 INFO L413 NwaCegarLoop]: 89 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, 89 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 06:02:10,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:10,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-25 06:02:10,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-12-25 06:02:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 59 states have internal predecessors, (73), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 06:02:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 100 transitions. [2023-12-25 06:02:10,782 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 100 transitions. Word has length 17 [2023-12-25 06:02:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:10,783 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 100 transitions. [2023-12-25 06:02:10,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2023-12-25 06:02:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:02:10,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:10,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:10,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:10,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:10,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:10,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:10,995 INFO L85 PathProgramCache]: Analyzing trace with hash -959433431, now seen corresponding path program 1 times [2023-12-25 06:02:10,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:10,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164809884] [2023-12-25 06:02:10,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:10,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:10,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:02:11,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:02:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:11,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:11,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:11,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:11,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:11,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164809884] [2023-12-25 06:02:11,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164809884] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:11,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:11,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:11,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203933986] [2023-12-25 06:02:11,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:11,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:11,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:11,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:11,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:11,081 INFO L87 Difference]: Start difference. First operand 73 states and 100 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:11,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:11,116 INFO L93 Difference]: Finished difference Result 116 states and 158 transitions. [2023-12-25 06:02:11,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:11,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-25 06:02:11,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:11,118 INFO L225 Difference]: With dead ends: 116 [2023-12-25 06:02:11,118 INFO L226 Difference]: Without dead ends: 65 [2023-12-25 06:02:11,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:11,120 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:11,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 134 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:11,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-25 06:02:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-25 06:02:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 54 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:02:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 89 transitions. [2023-12-25 06:02:11,128 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 89 transitions. Word has length 18 [2023-12-25 06:02:11,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:11,129 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 89 transitions. [2023-12-25 06:02:11,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:11,129 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2023-12-25 06:02:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:02:11,130 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:11,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:11,138 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 (3)] Ended with exit code 0 [2023-12-25 06:02:11,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:11,337 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:11,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:11,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1361956185, now seen corresponding path program 1 times [2023-12-25 06:02:11,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:11,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884542960] [2023-12-25 06:02:11,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:11,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:11,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:11,339 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:02:11,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:02:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:11,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:11,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:11,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:11,416 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:11,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884542960] [2023-12-25 06:02:11,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884542960] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:11,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:11,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:11,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976607953] [2023-12-25 06:02:11,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:11,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:11,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:11,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:11,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:11,422 INFO L87 Difference]: Start difference. First operand 65 states and 89 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:11,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:11,522 INFO L93 Difference]: Finished difference Result 191 states and 264 transitions. [2023-12-25 06:02:11,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:11,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-25 06:02:11,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:11,527 INFO L225 Difference]: With dead ends: 191 [2023-12-25 06:02:11,528 INFO L226 Difference]: Without dead ends: 128 [2023-12-25 06:02:11,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:11,533 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 83 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:11,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 159 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:11,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-12-25 06:02:11,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2023-12-25 06:02:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 88 states have (on average 1.4659090909090908) internal successors, (129), 103 states have internal predecessors, (129), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-25 06:02:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 173 transitions. [2023-12-25 06:02:11,551 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 173 transitions. Word has length 21 [2023-12-25 06:02:11,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:11,551 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 173 transitions. [2023-12-25 06:02:11,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 173 transitions. [2023-12-25 06:02:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-25 06:02:11,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:11,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:11,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:11,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:11,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:11,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:11,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2003317543, now seen corresponding path program 1 times [2023-12-25 06:02:11,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:11,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798193363] [2023-12-25 06:02:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:11,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:11,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:11,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:02:11,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:02:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:11,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:02:11,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:11,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:11,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:11,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798193363] [2023-12-25 06:02:11,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798193363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:11,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:11,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:02:11,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141705486] [2023-12-25 06:02:11,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:11,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:02:11,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:11,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:02:11,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:02:11,895 INFO L87 Difference]: Start difference. First operand 125 states and 173 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:12,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:12,094 INFO L93 Difference]: Finished difference Result 367 states and 514 transitions. [2023-12-25 06:02:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:02:12,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-12-25 06:02:12,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:12,102 INFO L225 Difference]: With dead ends: 367 [2023-12-25 06:02:12,103 INFO L226 Difference]: Without dead ends: 244 [2023-12-25 06:02:12,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:02:12,109 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 62 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:12,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 337 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:12,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-12-25 06:02:12,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 242. [2023-12-25 06:02:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 169 states have (on average 1.4378698224852071) internal successors, (243), 198 states have internal predecessors, (243), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (46), 30 states have call predecessors, (46), 44 states have call successors, (46) [2023-12-25 06:02:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 333 transitions. [2023-12-25 06:02:12,161 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 333 transitions. Word has length 24 [2023-12-25 06:02:12,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:12,161 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 333 transitions. [2023-12-25 06:02:12,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 333 transitions. [2023-12-25 06:02:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-25 06:02:12,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:12,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:12,173 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 (5)] Ended with exit code 0 [2023-12-25 06:02:12,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:12,373 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:12,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:12,373 INFO L85 PathProgramCache]: Analyzing trace with hash 315444733, now seen corresponding path program 1 times [2023-12-25 06:02:12,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:12,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728630628] [2023-12-25 06:02:12,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:12,374 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:12,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:12,375 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:02:12,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:02:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:12,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:02:12,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:12,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:12,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:12,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728630628] [2023-12-25 06:02:12,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728630628] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:12,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:12,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:12,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979219676] [2023-12-25 06:02:12,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:12,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:12,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:12,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:12,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:12,503 INFO L87 Difference]: Start difference. First operand 242 states and 333 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:02:12,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:12,611 INFO L93 Difference]: Finished difference Result 636 states and 884 transitions. [2023-12-25 06:02:12,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:02:12,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-12-25 06:02:12,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:12,619 INFO L225 Difference]: With dead ends: 636 [2023-12-25 06:02:12,619 INFO L226 Difference]: Without dead ends: 396 [2023-12-25 06:02:12,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:02:12,621 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 44 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:12,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 195 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:12,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-25 06:02:12,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2023-12-25 06:02:12,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 277 states have (on average 1.3610108303249098) internal successors, (377), 310 states have internal predecessors, (377), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2023-12-25 06:02:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 517 transitions. [2023-12-25 06:02:12,688 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 517 transitions. Word has length 28 [2023-12-25 06:02:12,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:12,689 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 517 transitions. [2023-12-25 06:02:12,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:02:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 517 transitions. [2023-12-25 06:02:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-25 06:02:12,697 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:12,697 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 06:02:12,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:12,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:12,900 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:12,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:12,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1928358210, now seen corresponding path program 1 times [2023-12-25 06:02:12,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:12,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580550038] [2023-12-25 06:02:12,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:12,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:12,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:12,902 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:02:12,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 06:02:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:12,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:12,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:12,984 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 06:02:12,984 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:12,984 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:12,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580550038] [2023-12-25 06:02:12,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580550038] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:12,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:12,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:02:12,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767456154] [2023-12-25 06:02:12,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:12,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:12,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:12,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:12,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:12,987 INFO L87 Difference]: Start difference. First operand 390 states and 517 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 06:02:13,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:13,077 INFO L93 Difference]: Finished difference Result 794 states and 1088 transitions. [2023-12-25 06:02:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:13,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 06:02:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:13,082 INFO L225 Difference]: With dead ends: 794 [2023-12-25 06:02:13,082 INFO L226 Difference]: Without dead ends: 406 [2023-12-25 06:02:13,083 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 06:02:13,084 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:13,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 219 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:13,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-12-25 06:02:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 398. [2023-12-25 06:02:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 285 states have (on average 1.3508771929824561) internal successors, (385), 318 states have internal predecessors, (385), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2023-12-25 06:02:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 525 transitions. [2023-12-25 06:02:13,121 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 525 transitions. Word has length 43 [2023-12-25 06:02:13,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:13,122 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 525 transitions. [2023-12-25 06:02:13,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 06:02:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 525 transitions. [2023-12-25 06:02:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-25 06:02:13,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:13,123 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 06:02:13,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:13,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:13,326 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:13,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:13,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1505656384, now seen corresponding path program 1 times [2023-12-25 06:02:13,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:13,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917699733] [2023-12-25 06:02:13,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:13,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:13,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:13,328 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 06:02:13,329 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 06:02:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:13,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:13,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:13,411 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 06:02:13,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:13,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:13,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917699733] [2023-12-25 06:02:13,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917699733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:13,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:13,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:02:13,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300751469] [2023-12-25 06:02:13,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:13,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:13,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:13,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:13,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:13,414 INFO L87 Difference]: Start difference. First operand 398 states and 525 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 06:02:13,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:13,495 INFO L93 Difference]: Finished difference Result 822 states and 1120 transitions. [2023-12-25 06:02:13,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:13,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 06:02:13,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:13,500 INFO L225 Difference]: With dead ends: 822 [2023-12-25 06:02:13,500 INFO L226 Difference]: Without dead ends: 426 [2023-12-25 06:02:13,502 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 06:02:13,503 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 6 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 218 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 06:02:13,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 218 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-12-25 06:02:13,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 406. [2023-12-25 06:02:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 293 states have (on average 1.341296928327645) internal successors, (393), 326 states have internal predecessors, (393), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2023-12-25 06:02:13,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 533 transitions. [2023-12-25 06:02:13,552 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 533 transitions. Word has length 43 [2023-12-25 06:02:13,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:13,553 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 533 transitions. [2023-12-25 06:02:13,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 06:02:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 533 transitions. [2023-12-25 06:02:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-25 06:02:13,557 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:13,557 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 06:02:13,563 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 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:13,760 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 06:02:13,760 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:13,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:13,761 INFO L85 PathProgramCache]: Analyzing trace with hash 983872578, now seen corresponding path program 1 times [2023-12-25 06:02:13,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:13,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524778650] [2023-12-25 06:02:13,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:13,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:13,763 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 06:02:13,765 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 06:02:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:13,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:13,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:13,873 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 06:02:13,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:13,874 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:13,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524778650] [2023-12-25 06:02:13,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524778650] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:13,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:13,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:13,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000378320] [2023-12-25 06:02:13,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:13,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:13,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:13,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:13,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:13,876 INFO L87 Difference]: Start difference. First operand 406 states and 533 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 06:02:13,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:13,952 INFO L93 Difference]: Finished difference Result 976 states and 1286 transitions. [2023-12-25 06:02:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:13,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 06:02:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:13,956 INFO L225 Difference]: With dead ends: 976 [2023-12-25 06:02:13,956 INFO L226 Difference]: Without dead ends: 572 [2023-12-25 06:02:13,958 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 06:02:13,959 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 31 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 142 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 06:02:13,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 142 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:13,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-12-25 06:02:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2023-12-25 06:02:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 415 states have (on average 1.2939759036144578) internal successors, (537), 452 states have internal predecessors, (537), 84 states have call successors, (84), 76 states have call predecessors, (84), 72 states have return successors, (106), 74 states have call predecessors, (106), 84 states have call successors, (106) [2023-12-25 06:02:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 727 transitions. [2023-12-25 06:02:14,004 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 727 transitions. Word has length 43 [2023-12-25 06:02:14,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:14,005 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 727 transitions. [2023-12-25 06:02:14,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 06:02:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 727 transitions. [2023-12-25 06:02:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-25 06:02:14,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:14,009 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 06:02:14,019 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 06:02:14,212 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 06:02:14,213 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:14,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:14,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1676474660, now seen corresponding path program 1 times [2023-12-25 06:02:14,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:14,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457487062] [2023-12-25 06:02:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:14,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:14,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:14,215 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 06:02:14,216 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 06:02:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:14,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:02:14,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:14,343 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 06:02:14,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:14,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:14,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457487062] [2023-12-25 06:02:14,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457487062] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:14,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:14,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:02:14,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270141849] [2023-12-25 06:02:14,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:14,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:02:14,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:14,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:02:14,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:02:14,346 INFO L87 Difference]: Start difference. First operand 572 states and 727 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:02:14,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:14,528 INFO L93 Difference]: Finished difference Result 1140 states and 1454 transitions. [2023-12-25 06:02:14,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:02:14,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 47 [2023-12-25 06:02:14,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:14,532 INFO L225 Difference]: With dead ends: 1140 [2023-12-25 06:02:14,533 INFO L226 Difference]: Without dead ends: 570 [2023-12-25 06:02:14,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:02:14,535 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 63 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:14,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 548 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:14,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2023-12-25 06:02:14,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2023-12-25 06:02:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 413 states have (on average 1.2760290556900726) internal successors, (527), 448 states have internal predecessors, (527), 84 states have call successors, (84), 76 states have call predecessors, (84), 72 states have return successors, (96), 74 states have call predecessors, (96), 84 states have call successors, (96) [2023-12-25 06:02:14,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 707 transitions. [2023-12-25 06:02:14,575 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 707 transitions. Word has length 47 [2023-12-25 06:02:14,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:14,575 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 707 transitions. [2023-12-25 06:02:14,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:02:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 707 transitions. [2023-12-25 06:02:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-25 06:02:14,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:14,578 INFO L195 NwaCegarLoop]: trace histogram [3, 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 06:02:14,584 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 06:02:14,781 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 06:02:14,781 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:14,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:14,782 INFO L85 PathProgramCache]: Analyzing trace with hash -6130456, now seen corresponding path program 1 times [2023-12-25 06:02:14,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:14,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757179776] [2023-12-25 06:02:14,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:14,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:14,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:14,784 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 06:02:14,790 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 06:02:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:14,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:14,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:02:14,904 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:14,904 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:14,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757179776] [2023-12-25 06:02:14,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757179776] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:14,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:14,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:14,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346454093] [2023-12-25 06:02:14,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:14,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:14,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:14,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:14,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:14,907 INFO L87 Difference]: Start difference. First operand 570 states and 707 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:02:14,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:14,984 INFO L93 Difference]: Finished difference Result 1252 states and 1565 transitions. [2023-12-25 06:02:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:14,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 71 [2023-12-25 06:02:14,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:14,990 INFO L225 Difference]: With dead ends: 1252 [2023-12-25 06:02:14,990 INFO L226 Difference]: Without dead ends: 684 [2023-12-25 06:02:14,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:14,993 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 43 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:14,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 113 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:14,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2023-12-25 06:02:15,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 676. [2023-12-25 06:02:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 489 states have (on average 1.2699386503067485) internal successors, (621), 530 states have internal predecessors, (621), 100 states have call successors, (100), 92 states have call predecessors, (100), 86 states have return successors, (117), 88 states have call predecessors, (117), 100 states have call successors, (117) [2023-12-25 06:02:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 838 transitions. [2023-12-25 06:02:15,070 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 838 transitions. Word has length 71 [2023-12-25 06:02:15,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:15,070 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 838 transitions. [2023-12-25 06:02:15,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:02:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 838 transitions. [2023-12-25 06:02:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 06:02:15,073 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:15,073 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1] [2023-12-25 06:02:15,081 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 06:02:15,276 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 06:02:15,276 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:15,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:15,277 INFO L85 PathProgramCache]: Analyzing trace with hash -369350936, now seen corresponding path program 1 times [2023-12-25 06:02:15,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:15,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871338421] [2023-12-25 06:02:15,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:15,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:15,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:15,278 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 06:02:15,279 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 06:02:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:15,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:02:15,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:02:15,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:02:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-25 06:02:15,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:15,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871338421] [2023-12-25 06:02:15,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871338421] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:02:15,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:02:15,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2023-12-25 06:02:15,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874516186] [2023-12-25 06:02:15,656 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:02:15,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 06:02:15,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:15,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 06:02:15,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-25 06:02:15,658 INFO L87 Difference]: Start difference. First operand 676 states and 838 transitions. Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) [2023-12-25 06:02:16,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:16,360 INFO L93 Difference]: Finished difference Result 2414 states and 3205 transitions. [2023-12-25 06:02:16,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 06:02:16,361 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) Word has length 80 [2023-12-25 06:02:16,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:16,372 INFO L225 Difference]: With dead ends: 2414 [2023-12-25 06:02:16,372 INFO L226 Difference]: Without dead ends: 1957 [2023-12-25 06:02:16,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2023-12-25 06:02:16,376 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 463 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:16,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 326 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:02:16,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2023-12-25 06:02:16,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1917. [2023-12-25 06:02:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1372 states have (on average 1.2558309037900874) internal successors, (1723), 1495 states have internal predecessors, (1723), 288 states have call successors, (288), 238 states have call predecessors, (288), 256 states have return successors, (447), 262 states have call predecessors, (447), 288 states have call successors, (447) [2023-12-25 06:02:16,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2458 transitions. [2023-12-25 06:02:16,595 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2458 transitions. Word has length 80 [2023-12-25 06:02:16,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:16,595 INFO L495 AbstractCegarLoop]: Abstraction has 1917 states and 2458 transitions. [2023-12-25 06:02:16,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) [2023-12-25 06:02:16,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2458 transitions. [2023-12-25 06:02:16,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 06:02:16,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:16,599 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1] [2023-12-25 06:02:16,605 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 06:02:16,802 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 06:02:16,802 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:16,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:16,803 INFO L85 PathProgramCache]: Analyzing trace with hash -509899546, now seen corresponding path program 1 times [2023-12-25 06:02:16,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:16,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588028285] [2023-12-25 06:02:16,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:16,803 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:16,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:16,805 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:02:16,832 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 (13)] Waiting until timeout for monitored process [2023-12-25 06:02:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:16,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:02:16,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:02:16,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:02:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-25 06:02:17,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:17,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588028285] [2023-12-25 06:02:17,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1588028285] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:02:17,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:02:17,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2023-12-25 06:02:17,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546080650] [2023-12-25 06:02:17,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:02:17,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-25 06:02:17,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:17,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-25 06:02:17,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-12-25 06:02:17,159 INFO L87 Difference]: Start difference. First operand 1917 states and 2458 transitions. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) [2023-12-25 06:02:18,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:18,229 INFO L93 Difference]: Finished difference Result 7061 states and 9341 transitions. [2023-12-25 06:02:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-25 06:02:18,230 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) Word has length 80 [2023-12-25 06:02:18,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:18,261 INFO L225 Difference]: With dead ends: 7061 [2023-12-25 06:02:18,261 INFO L226 Difference]: Without dead ends: 5351 [2023-12-25 06:02:18,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2023-12-25 06:02:18,272 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 547 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:18,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 561 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 06:02:18,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2023-12-25 06:02:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 4951. [2023-12-25 06:02:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4951 states, 3564 states have (on average 1.255611672278339) internal successors, (4475), 3845 states have internal predecessors, (4475), 736 states have call successors, (736), 642 states have call predecessors, (736), 650 states have return successors, (1197), 660 states have call predecessors, (1197), 736 states have call successors, (1197) [2023-12-25 06:02:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4951 states to 4951 states and 6408 transitions. [2023-12-25 06:02:18,725 INFO L78 Accepts]: Start accepts. Automaton has 4951 states and 6408 transitions. Word has length 80 [2023-12-25 06:02:18,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:18,725 INFO L495 AbstractCegarLoop]: Abstraction has 4951 states and 6408 transitions. [2023-12-25 06:02:18,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) [2023-12-25 06:02:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4951 states and 6408 transitions. [2023-12-25 06:02:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 06:02:18,728 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:18,728 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1] [2023-12-25 06:02:18,737 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 (13)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:18,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:18,931 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:18,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:18,932 INFO L85 PathProgramCache]: Analyzing trace with hash -87197720, now seen corresponding path program 1 times [2023-12-25 06:02:18,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:18,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280056993] [2023-12-25 06:02:18,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:18,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:18,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:18,933 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:02:18,934 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 (14)] Waiting until timeout for monitored process [2023-12-25 06:02:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:18,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:18,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-25 06:02:19,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:19,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:19,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280056993] [2023-12-25 06:02:19,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [280056993] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:19,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:19,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:02:19,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161551085] [2023-12-25 06:02:19,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:19,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:19,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:19,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:19,011 INFO L87 Difference]: Start difference. First operand 4951 states and 6408 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 06:02:19,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:19,131 INFO L93 Difference]: Finished difference Result 5589 states and 7173 transitions. [2023-12-25 06:02:19,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:19,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 80 [2023-12-25 06:02:19,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:19,133 INFO L225 Difference]: With dead ends: 5589 [2023-12-25 06:02:19,134 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:02:19,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 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 06:02:19,149 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:19,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 184 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:19,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:02:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:02:19,150 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 06:02:19,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:02:19,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2023-12-25 06:02:19,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:19,151 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:02:19,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 06:02:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:02:19,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:02:19,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:02:19,163 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 (14)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:19,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:19,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:02:21,560 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 862 869) no Hoare annotation was computed. [2023-12-25 06:02:21,561 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 862 869) the Hoare annotation is: true [2023-12-25 06:02:21,561 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 777 783) no Hoare annotation was computed. [2023-12-25 06:02:21,561 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 777 783) the Hoare annotation is: true [2023-12-25 06:02:21,562 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 84 95) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse3 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32)))) (and (or (= ~systemActive~0 (_ bv0 32)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse5 .cse6))) [2023-12-25 06:02:21,562 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2023-12-25 06:02:21,562 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2023-12-25 06:02:21,562 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2023-12-25 06:02:21,562 INFO L899 garLoopResultBuilder]: For program point L64-2(lines 60 71) no Hoare annotation was computed. [2023-12-25 06:02:21,562 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1016) no Hoare annotation was computed. [2023-12-25 06:02:21,562 INFO L895 garLoopResultBuilder]: At program point L825(line 825) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse5) (or .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse5) (or .cse0 .cse3 .cse2))) [2023-12-25 06:02:21,562 INFO L895 garLoopResultBuilder]: At program point L821(line 821) the Hoare annotation is: (let ((.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse2 (and (= |timeShift_processEnvironment_~tmp~6#1| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse6) (or .cse0 .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse6))) [2023-12-25 06:02:21,563 INFO L895 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse10)) (.cse4 (not .cse12)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not .cse11)) (.cse8 (and .cse9 .cse11 .cse12 (not .cse6))) (.cse5 (and .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse4 .cse0 .cse6 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse7) (or .cse4 .cse0 .cse6 .cse7 .cse8) (or .cse4 .cse1 .cse7 .cse8 .cse5)))) [2023-12-25 06:02:21,563 INFO L899 garLoopResultBuilder]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2023-12-25 06:02:21,563 INFO L899 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2023-12-25 06:02:21,563 INFO L895 garLoopResultBuilder]: At program point L830(line 830) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse12 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse15 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse13 (not .cse6)) (.cse14 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse7 (and .cse10 .cse11 .cse13 .cse14)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (and .cse15 .cse13 .cse14)) (.cse4 (not .cse11)) (.cse5 (and .cse15 .cse14)) (.cse8 (not .cse12)) (.cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse4 .cse0 .cse8 .cse9) (or .cse4 .cse0 .cse7 .cse2) (or .cse0 .cse1 .cse8 .cse3) (or .cse4 .cse5 .cse6 .cse8 .cse9))))) [2023-12-25 06:02:21,563 INFO L899 garLoopResultBuilder]: For program point L830-1(lines 811 835) no Hoare annotation was computed. [2023-12-25 06:02:21,563 INFO L899 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2023-12-25 06:02:21,563 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 958) no Hoare annotation was computed. [2023-12-25 06:02:21,564 INFO L899 garLoopResultBuilder]: For program point L954-2(lines 954 958) no Hoare annotation was computed. [2023-12-25 06:02:21,564 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 753 776) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (and .cse4 .cse9)) (.cse7 (and (= ~waterLevel~0 (_ bv1 32)) .cse9)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (= ~systemActive~0 (_ bv0 32))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse6) (or .cse0 .cse1 .cse6 .cse3) (or .cse7 .cse1 .cse8 .cse2) (or .cse0 .cse4 .cse5 .cse2)))) [2023-12-25 06:02:21,564 INFO L899 garLoopResultBuilder]: For program point L757-1(lines 756 775) no Hoare annotation was computed. [2023-12-25 06:02:21,564 INFO L899 garLoopResultBuilder]: For program point L819(lines 819 827) no Hoare annotation was computed. [2023-12-25 06:02:21,564 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1019) no Hoare annotation was computed. [2023-12-25 06:02:21,564 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 832) no Hoare annotation was computed. [2023-12-25 06:02:21,564 INFO L899 garLoopResultBuilder]: For program point L1005(lines 1005 1022) no Hoare annotation was computed. [2023-12-25 06:02:21,564 INFO L899 garLoopResultBuilder]: For program point L1005-1(lines 997 1025) no Hoare annotation was computed. [2023-12-25 06:02:21,564 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2023-12-25 06:02:21,565 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 165) no Hoare annotation was computed. [2023-12-25 06:02:21,565 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-12-25 06:02:21,565 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 172 201) no Hoare annotation was computed. [2023-12-25 06:02:21,565 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2023-12-25 06:02:21,565 INFO L902 garLoopResultBuilder]: At program point L186-1(lines 186 190) the Hoare annotation is: true [2023-12-25 06:02:21,565 INFO L902 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: true [2023-12-25 06:02:21,565 INFO L902 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2023-12-25 06:02:21,565 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2023-12-25 06:02:21,565 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 201) the Hoare annotation is: true [2023-12-25 06:02:21,565 INFO L899 garLoopResultBuilder]: For program point L197(lines 172 201) no Hoare annotation was computed. [2023-12-25 06:02:21,565 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 96 104) the Hoare annotation is: true [2023-12-25 06:02:21,566 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2023-12-25 06:02:21,566 INFO L899 garLoopResultBuilder]: For program point L374(lines 311 378) no Hoare annotation was computed. [2023-12-25 06:02:21,566 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 347) no Hoare annotation was computed. [2023-12-25 06:02:21,566 INFO L899 garLoopResultBuilder]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2023-12-25 06:02:21,566 INFO L895 garLoopResultBuilder]: At program point L333(line 333) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (not (= ~systemActive~0 (_ bv0 32))) .cse2) (and .cse4 .cse5 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-12-25 06:02:21,566 INFO L895 garLoopResultBuilder]: At program point L371(lines 320 372) the Hoare annotation is: false [2023-12-25 06:02:21,568 INFO L895 garLoopResultBuilder]: At program point L970(line 970) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2))) [2023-12-25 06:02:21,568 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 365) no Hoare annotation was computed. [2023-12-25 06:02:21,568 INFO L895 garLoopResultBuilder]: At program point L359-2(lines 351 366) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse2) (and .cse4 .cse6 .cse5 .cse2) (and .cse4 .cse6 .cse2 .cse3) (and .cse6 .cse0 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-12-25 06:02:21,568 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 267) no Hoare annotation was computed. [2023-12-25 06:02:21,568 INFO L899 garLoopResultBuilder]: For program point L322(lines 321 370) no Hoare annotation was computed. [2023-12-25 06:02:21,568 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 260 267) no Hoare annotation was computed. [2023-12-25 06:02:21,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:02:21,568 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 366) no Hoare annotation was computed. [2023-12-25 06:02:21,568 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (not (= ~systemActive~0 (_ bv0 32))) .cse2) (and .cse4 .cse5 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-12-25 06:02:21,568 INFO L895 garLoopResultBuilder]: At program point L368(lines 321 370) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (not (= ~systemActive~0 (_ bv0 32))) .cse2) (and .cse4 .cse5 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-12-25 06:02:21,569 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2023-12-25 06:02:21,569 INFO L899 garLoopResultBuilder]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2023-12-25 06:02:21,569 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:02:21,569 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 974) no Hoare annotation was computed. [2023-12-25 06:02:21,569 INFO L899 garLoopResultBuilder]: For program point L968-1(lines 968 974) no Hoare annotation was computed. [2023-12-25 06:02:21,569 INFO L895 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (let ((.cse8 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| (_ bv0 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32)))) (let ((.cse6 (not .cse10)) (.cse7 (and .cse10 .cse8 .cse9)) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and .cse8 .cse9)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse3)))) [2023-12-25 06:02:21,569 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 801) no Hoare annotation was computed. [2023-12-25 06:02:21,569 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2023-12-25 06:02:21,569 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2023-12-25 06:02:21,569 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 785 809) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse6 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse1 .cse5 .cse4) (or .cse0 .cse6 .cse1 .cse2 .cse4))) [2023-12-25 06:02:21,570 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2023-12-25 06:02:21,570 INFO L899 garLoopResultBuilder]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2023-12-25 06:02:21,570 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 137 150) no Hoare annotation was computed. [2023-12-25 06:02:21,570 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 785 809) no Hoare annotation was computed. [2023-12-25 06:02:21,570 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2023-12-25 06:02:21,570 INFO L899 garLoopResultBuilder]: For program point L852-2(lines 845 861) no Hoare annotation was computed. [2023-12-25 06:02:21,570 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or .cse0 .cse5 .cse1 .cse4 .cse6))) [2023-12-25 06:02:21,570 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2023-12-25 06:02:21,570 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 939) no Hoare annotation was computed. [2023-12-25 06:02:21,570 INFO L899 garLoopResultBuilder]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2023-12-25 06:02:21,571 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2023-12-25 06:02:21,571 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2023-12-25 06:02:21,571 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 83) the Hoare annotation is: (let ((.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse4) (or .cse5 .cse6 .cse0 .cse2) (or .cse5 .cse6 (= ~systemActive~0 (_ bv0 32)) .cse4))) [2023-12-25 06:02:21,573 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:21,579 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:02:21,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:21 BoogieIcfgContainer [2023-12-25 06:02:21,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:02:21,591 INFO L158 Benchmark]: Toolchain (without parser) took 12492.61ms. Allocated memory was 345.0MB in the beginning and 497.0MB in the end (delta: 152.0MB). Free memory was 295.5MB in the beginning and 289.2MB in the end (delta: 6.3MB). Peak memory consumption was 231.8MB. Max. memory is 8.0GB. [2023-12-25 06:02:21,591 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:02:21,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.63ms. Allocated memory is still 345.0MB. Free memory was 295.1MB in the beginning and 268.5MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-25 06:02:21,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.88ms. Allocated memory is still 345.0MB. Free memory was 268.5MB in the beginning and 266.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:21,592 INFO L158 Benchmark]: Boogie Preprocessor took 43.76ms. Allocated memory is still 345.0MB. Free memory was 266.2MB in the beginning and 263.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:21,592 INFO L158 Benchmark]: RCFGBuilder took 676.58ms. Allocated memory is still 345.0MB. Free memory was 263.7MB in the beginning and 305.0MB in the end (delta: -41.3MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-25 06:02:21,593 INFO L158 Benchmark]: TraceAbstraction took 11227.66ms. Allocated memory was 345.0MB in the beginning and 497.0MB in the end (delta: 152.0MB). Free memory was 304.4MB in the beginning and 289.2MB in the end (delta: 15.2MB). Peak memory consumption was 239.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:21,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 481.63ms. Allocated memory is still 345.0MB. Free memory was 295.1MB in the beginning and 268.5MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.88ms. Allocated memory is still 345.0MB. Free memory was 268.5MB in the beginning and 266.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.76ms. Allocated memory is still 345.0MB. Free memory was 266.2MB in the beginning and 263.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 676.58ms. Allocated memory is still 345.0MB. Free memory was 263.7MB in the beginning and 305.0MB in the end (delta: -41.3MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 11227.66ms. Allocated memory was 345.0MB in the beginning and 497.0MB in the end (delta: 152.0MB). Free memory was 304.4MB in the beginning and 289.2MB in the end (delta: 15.2MB). Peak memory consumption was 239.1MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 273]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] - GenericResultAtLocation [Line: 379]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] - GenericResultAtLocation [Line: 745]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] - GenericResultAtLocation [Line: 987]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] * 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: 165]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1402 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1359 mSDsluCounter, 3225 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2144 mSDsCounter, 387 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1720 IncrementalHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 387 mSolverCounterUnsat, 1081 mSDtfsCounter, 1720 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 773 GetRequests, 710 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4951occurred in iteration=12, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 487 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 3349 PreInvPairs, 3496 NumberOfFragments, 1399 HoareAnnotationTreeSize, 3349 FormulaSimplifications, 428 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FormulaSimplificationsInter, 4545 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 740 ConstructedInterpolants, 0 QuantifiedInterpolants, 1577 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1568 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 141/159 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: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || ((((waterLevel == 2) && (methaneLevelCritical == 0)) && !((systemActive == 0))) && (splverifierCounter == 0))) || ((((waterLevel == 2) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((methaneLevelCritical == 0) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((waterLevel == 2) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:02:21,616 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...