/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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:01:57,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:01:57,912 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 06:01:57,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:01:57,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:01:57,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:01:57,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:01:57,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:01:57,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:01:57,932 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:01:57,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:01:57,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:01:57,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:01:57,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:01:57,933 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:01:57,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:01:57,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:01:57,934 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:01:57,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:01:57,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:01:57,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:01:57,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:01:57,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:01:57,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:01:57,937 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:01:57,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:01:57,938 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:01:57,938 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:01:57,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:01:57,938 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:01:57,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:01:57,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:01:57,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:01:57,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:01:57,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:57,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:01:57,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:01:57,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:01:57,940 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:01:57,940 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:01:57,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:01:57,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:01:57,941 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:01:57,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:01:57,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:01:57,942 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:01:57,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:01:58,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:01:58,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:01:58,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:01:58,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:01:58,105 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:01:58,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2023-12-25 06:01:59,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:01:59,697 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:01:59,697 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2023-12-25 06:01:59,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9db863cde/932febc920d14314b5c6809127bde61f/FLAGe0de41145 [2023-12-25 06:01:59,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9db863cde/932febc920d14314b5c6809127bde61f [2023-12-25 06:01:59,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:01:59,769 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:01:59,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:59,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:01:59,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:01:59,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:59" (1/1) ... [2023-12-25 06:01:59,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fded205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:59, skipping insertion in model container [2023-12-25 06:01:59,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:59" (1/1) ... [2023-12-25 06:01:59,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:00,278 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_product55.cil.c[19412,19425] [2023-12-25 06:02:00,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:00,309 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:02:00,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:00,446 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_product55.cil.c[19412,19425] [2023-12-25 06:02:00,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:00,453 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:02:00,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-12-25 06:02:00,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-12-25 06:02:00,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [198] [2023-12-25 06:02:00,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [268] [2023-12-25 06:02:00,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [511] [2023-12-25 06:02:00,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [877] [2023-12-25 06:02:00,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [917] [2023-12-25 06:02:00,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1014] [2023-12-25 06:02:00,554 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_product55.cil.c[19412,19425] [2023-12-25 06:02:00,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:00,583 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:02:00,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00 WrapperNode [2023-12-25 06:02:00,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:00,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:00,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:02:00,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:02:00,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,702 INFO L138 Inliner]: procedures = 60, calls = 105, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 216 [2023-12-25 06:02:00,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:00,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:02:00,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:02:00,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:02:00,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,753 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 06:02:00,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:02:00,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:02:00,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:02:00,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:02:00,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (1/1) ... [2023-12-25 06:02:00,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:00,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:02:00,899 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 06:02:00,954 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 06:02:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:02:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:02:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:02:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:02:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:02:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:02:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:02:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:02:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:02:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:02:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:02:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:02:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:02:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-25 06:02:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-25 06:02:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:02:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:02:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:02:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:02:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:02:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:02:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:02:01,084 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:02:01,088 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:02:01,405 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:02:01,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:02:01,491 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:02:01,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:01 BoogieIcfgContainer [2023-12-25 06:02:01,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:02:01,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:02:01,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:02:01,497 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:02:01,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:01:59" (1/3) ... [2023-12-25 06:02:01,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1135424f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:01, skipping insertion in model container [2023-12-25 06:02:01,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:00" (2/3) ... [2023-12-25 06:02:01,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1135424f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:01, skipping insertion in model container [2023-12-25 06:02:01,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:01" (3/3) ... [2023-12-25 06:02:01,500 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2023-12-25 06:02:01,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:02:01,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:02:01,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:02:01,563 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;@31ed3620, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:02:01,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:02:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 06:02:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:02:01,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:01,576 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 06:02:01,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:01,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:01,582 INFO L85 PathProgramCache]: Analyzing trace with hash 959021943, now seen corresponding path program 1 times [2023-12-25 06:02:01,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:01,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578009853] [2023-12-25 06:02:01,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:01,593 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 06:02:01,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:01,617 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 06:02:01,618 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 06:02:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:01,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:02:01,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:01,691 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 06:02:01,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:01,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:01,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578009853] [2023-12-25 06:02:01,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578009853] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:01,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:01,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:01,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584942607] [2023-12-25 06:02:01,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:01,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:02:01,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:01,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:02:01,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:02:01,718 INFO L87 Difference]: Start difference. First operand has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) 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 06:02:01,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:01,758 INFO L93 Difference]: Finished difference Result 166 states and 241 transitions. [2023-12-25 06:02:01,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:02:01,761 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 06:02:01,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:01,768 INFO L225 Difference]: With dead ends: 166 [2023-12-25 06:02:01,768 INFO L226 Difference]: Without dead ends: 79 [2023-12-25 06:02:01,771 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 06:02:01,774 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:01,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:01,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-25 06:02:01,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-25 06:02:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 63 states have internal predecessors, (76), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 06:02:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2023-12-25 06:02:01,809 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 17 [2023-12-25 06:02:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:01,809 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2023-12-25 06:02:01,809 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 06:02:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-12-25 06:02:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:02:01,811 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:01,811 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 06:02:01,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:02,012 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 06:02:02,013 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:02,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:02,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2035070615, now seen corresponding path program 1 times [2023-12-25 06:02:02,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:02,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762388235] [2023-12-25 06:02:02,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:02,014 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 06:02:02,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:02,018 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 06:02:02,021 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 06:02:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:02,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:02,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:02,087 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 06:02:02,087 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:02,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:02,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762388235] [2023-12-25 06:02:02,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762388235] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:02,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:02,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:02,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283896497] [2023-12-25 06:02:02,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:02,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:02,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:02,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:02,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:02,090 INFO L87 Difference]: Start difference. First operand 79 states and 109 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 06:02:02,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:02,118 INFO L93 Difference]: Finished difference Result 128 states and 176 transitions. [2023-12-25 06:02:02,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:02,119 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 06:02:02,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:02,120 INFO L225 Difference]: With dead ends: 128 [2023-12-25 06:02:02,120 INFO L226 Difference]: Without dead ends: 71 [2023-12-25 06:02:02,120 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 06:02:02,121 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:02,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 153 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-25 06:02:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-25 06:02:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 58 states have internal predecessors, (70), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:02:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2023-12-25 06:02:02,129 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 18 [2023-12-25 06:02:02,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:02,129 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2023-12-25 06:02:02,129 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 06:02:02,129 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2023-12-25 06:02:02,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:02:02,130 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:02,130 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 06:02:02,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:02,333 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 06:02:02,333 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:02,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:02,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1931247264, now seen corresponding path program 1 times [2023-12-25 06:02:02,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:02,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325204220] [2023-12-25 06:02:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:02,334 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 06:02:02,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:02,335 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 06:02:02,338 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 06:02:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:02,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:02,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:02,391 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 06:02:02,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:02,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:02,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325204220] [2023-12-25 06:02:02,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325204220] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:02,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:02,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:02,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719095788] [2023-12-25 06:02:02,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:02,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:02,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:02,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:02,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:02,393 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:02,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:02,434 INFO L93 Difference]: Finished difference Result 209 states and 291 transitions. [2023-12-25 06:02:02,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:02,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-25 06:02:02,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:02,436 INFO L225 Difference]: With dead ends: 209 [2023-12-25 06:02:02,436 INFO L226 Difference]: Without dead ends: 140 [2023-12-25 06:02:02,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:02,438 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 85 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:02,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 181 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:02,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-12-25 06:02:02,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2023-12-25 06:02:02,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 111 states have internal predecessors, (135), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-25 06:02:02,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 191 transitions. [2023-12-25 06:02:02,475 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 191 transitions. Word has length 21 [2023-12-25 06:02:02,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:02,475 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 191 transitions. [2023-12-25 06:02:02,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:02,475 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 191 transitions. [2023-12-25 06:02:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-25 06:02:02,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:02,476 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 06:02:02,481 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 06:02:02,678 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 06:02:02,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:02,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:02,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1581548889, now seen corresponding path program 1 times [2023-12-25 06:02:02,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:02,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346151229] [2023-12-25 06:02:02,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:02,680 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 06:02:02,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:02,681 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 06:02:02,682 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 06:02:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:02,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:02:02,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:02,766 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 06:02:02,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:02,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:02,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346151229] [2023-12-25 06:02:02,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346151229] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:02,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:02,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:02:02,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857798777] [2023-12-25 06:02:02,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:02,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:02:02,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:02,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:02:02,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:02:02,768 INFO L87 Difference]: Start difference. First operand 137 states and 191 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 06:02:02,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:02,875 INFO L93 Difference]: Finished difference Result 403 states and 568 transitions. [2023-12-25 06:02:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:02:02,875 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 06:02:02,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:02,877 INFO L225 Difference]: With dead ends: 403 [2023-12-25 06:02:02,877 INFO L226 Difference]: Without dead ends: 268 [2023-12-25 06:02:02,878 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 06:02:02,879 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 71 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:02,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 388 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:02,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-12-25 06:02:02,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2023-12-25 06:02:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 177 states have (on average 1.4406779661016949) internal successors, (255), 214 states have internal predecessors, (255), 56 states have call successors, (56), 32 states have call predecessors, (56), 32 states have return successors, (58), 34 states have call predecessors, (58), 56 states have call successors, (58) [2023-12-25 06:02:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 369 transitions. [2023-12-25 06:02:02,899 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 369 transitions. Word has length 24 [2023-12-25 06:02:02,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:02,899 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 369 transitions. [2023-12-25 06:02:02,899 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 06:02:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 369 transitions. [2023-12-25 06:02:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-25 06:02:02,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:02,902 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 06:02:02,906 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 06:02:03,104 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 06:02:03,104 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:03,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:03,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1622321251, now seen corresponding path program 1 times [2023-12-25 06:02:03,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:03,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637344932] [2023-12-25 06:02:03,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:03,105 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 06:02:03,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:03,107 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 06:02:03,120 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 06:02:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:03,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:02:03,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:03,184 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 06:02:03,184 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:03,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:03,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637344932] [2023-12-25 06:02:03,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637344932] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:03,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:03,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:03,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926595227] [2023-12-25 06:02:03,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:03,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:03,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:03,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:03,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:03,186 INFO L87 Difference]: Start difference. First operand 266 states and 369 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 06:02:03,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:03,253 INFO L93 Difference]: Finished difference Result 696 states and 984 transitions. [2023-12-25 06:02:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:02:03,254 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 06:02:03,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:03,256 INFO L225 Difference]: With dead ends: 696 [2023-12-25 06:02:03,256 INFO L226 Difference]: Without dead ends: 432 [2023-12-25 06:02:03,257 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 06:02:03,258 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 45 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:03,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 233 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:03,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2023-12-25 06:02:03,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2023-12-25 06:02:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 293 states have (on average 1.3549488054607508) internal successors, (397), 326 states have internal predecessors, (397), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (100), 62 states have call predecessors, (100), 72 states have call successors, (100) [2023-12-25 06:02:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 569 transitions. [2023-12-25 06:02:03,282 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 569 transitions. Word has length 28 [2023-12-25 06:02:03,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:03,282 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 569 transitions. [2023-12-25 06:02:03,283 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 06:02:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 569 transitions. [2023-12-25 06:02:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-25 06:02:03,284 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:03,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:03,293 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 (6)] Ended with exit code 0 [2023-12-25 06:02:03,486 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 06:02:03,486 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:03,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1612587153, now seen corresponding path program 1 times [2023-12-25 06:02:03,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:03,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452510760] [2023-12-25 06:02:03,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:03,487 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 06:02:03,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:03,488 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 06:02:03,536 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 06:02:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:03,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:03,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:03,564 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 06:02:03,565 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:03,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:03,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452510760] [2023-12-25 06:02:03,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452510760] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:03,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:03,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:02:03,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144373966] [2023-12-25 06:02:03,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:03,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:03,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:03,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:03,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:03,567 INFO L87 Difference]: Start difference. First operand 426 states and 569 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 06:02:03,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:03,609 INFO L93 Difference]: Finished difference Result 858 states and 1172 transitions. [2023-12-25 06:02:03,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:03,609 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 42 [2023-12-25 06:02:03,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:03,611 INFO L225 Difference]: With dead ends: 858 [2023-12-25 06:02:03,611 INFO L226 Difference]: Without dead ends: 434 [2023-12-25 06:02:03,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 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 06:02:03,613 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 2 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:03,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 255 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:03,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-12-25 06:02:03,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2023-12-25 06:02:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 301 states have (on average 1.345514950166113) internal successors, (405), 334 states have internal predecessors, (405), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (100), 62 states have call predecessors, (100), 72 states have call successors, (100) [2023-12-25 06:02:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 577 transitions. [2023-12-25 06:02:03,633 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 577 transitions. Word has length 42 [2023-12-25 06:02:03,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:03,634 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 577 transitions. [2023-12-25 06:02:03,634 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 06:02:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 577 transitions. [2023-12-25 06:02:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-25 06:02:03,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:03,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:03,650 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 06:02:03,850 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 06:02:03,851 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:03,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:03,851 INFO L85 PathProgramCache]: Analyzing trace with hash 24239251, now seen corresponding path program 1 times [2023-12-25 06:02:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:03,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787230814] [2023-12-25 06:02:03,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:03,851 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 06:02:03,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:03,853 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 06:02:03,875 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 06:02:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:03,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:03,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:03,916 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 06:02:03,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:03,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:03,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787230814] [2023-12-25 06:02:03,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787230814] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:03,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:03,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:02:03,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019690027] [2023-12-25 06:02:03,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:03,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:03,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:03,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:03,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:03,918 INFO L87 Difference]: Start difference. First operand 434 states and 577 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 06:02:03,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:03,972 INFO L93 Difference]: Finished difference Result 894 states and 1240 transitions. [2023-12-25 06:02:03,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:03,973 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 42 [2023-12-25 06:02:03,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:03,975 INFO L225 Difference]: With dead ends: 894 [2023-12-25 06:02:03,975 INFO L226 Difference]: Without dead ends: 462 [2023-12-25 06:02:03,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 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 06:02:03,977 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 6 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:03,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 255 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2023-12-25 06:02:03,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 442. [2023-12-25 06:02:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 309 states have (on average 1.3365695792880259) internal successors, (413), 342 states have internal predecessors, (413), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (100), 62 states have call predecessors, (100), 72 states have call successors, (100) [2023-12-25 06:02:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 585 transitions. [2023-12-25 06:02:04,019 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 585 transitions. Word has length 42 [2023-12-25 06:02:04,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:04,019 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 585 transitions. [2023-12-25 06:02:04,019 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 06:02:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 585 transitions. [2023-12-25 06:02:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-25 06:02:04,020 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:04,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:04,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-25 06:02:04,223 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 06:02:04,224 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:04,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:04,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1664704491, now seen corresponding path program 1 times [2023-12-25 06:02:04,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:04,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704781240] [2023-12-25 06:02:04,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:04,225 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 06:02:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:04,226 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 06:02:04,227 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 06:02:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:04,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:04,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:04,293 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 06:02:04,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:04,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:04,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704781240] [2023-12-25 06:02:04,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704781240] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:04,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:04,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:04,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897321656] [2023-12-25 06:02:04,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:04,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:04,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:04,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:04,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:04,295 INFO L87 Difference]: Start difference. First operand 442 states and 585 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 06:02:04,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:04,345 INFO L93 Difference]: Finished difference Result 1068 states and 1418 transitions. [2023-12-25 06:02:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:04,345 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 42 [2023-12-25 06:02:04,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:04,347 INFO L225 Difference]: With dead ends: 1068 [2023-12-25 06:02:04,347 INFO L226 Difference]: Without dead ends: 628 [2023-12-25 06:02:04,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 06:02:04,349 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 33 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:04,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 162 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:04,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-12-25 06:02:04,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2023-12-25 06:02:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 443 states have (on average 1.2844243792325056) internal successors, (569), 480 states have internal predecessors, (569), 100 states have call successors, (100), 88 states have call predecessors, (100), 84 states have return successors, (130), 86 states have call predecessors, (130), 100 states have call successors, (130) [2023-12-25 06:02:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 799 transitions. [2023-12-25 06:02:04,376 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 799 transitions. Word has length 42 [2023-12-25 06:02:04,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:04,376 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 799 transitions. [2023-12-25 06:02:04,376 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 06:02:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 799 transitions. [2023-12-25 06:02:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-25 06:02:04,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:04,377 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:04,392 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 06:02:04,579 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 06:02:04,579 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:04,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:04,579 INFO L85 PathProgramCache]: Analyzing trace with hash -901539653, now seen corresponding path program 1 times [2023-12-25 06:02:04,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:04,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219316930] [2023-12-25 06:02:04,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:04,580 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 06:02:04,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:04,581 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 06:02:04,583 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 06:02:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:04,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:04,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:04,721 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 06:02:04,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:04,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:04,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219316930] [2023-12-25 06:02:04,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219316930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:04,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:04,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:04,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870839392] [2023-12-25 06:02:04,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:04,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:04,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:04,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:04,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:04,723 INFO L87 Difference]: Start difference. First operand 628 states and 799 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-25 06:02:04,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:04,841 INFO L93 Difference]: Finished difference Result 964 states and 1255 transitions. [2023-12-25 06:02:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:04,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2023-12-25 06:02:04,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:04,845 INFO L225 Difference]: With dead ends: 964 [2023-12-25 06:02:04,846 INFO L226 Difference]: Without dead ends: 962 [2023-12-25 06:02:04,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 06:02:04,846 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 50 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:04,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 183 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:04,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2023-12-25 06:02:04,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 799. [2023-12-25 06:02:04,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 561 states have (on average 1.2994652406417113) internal successors, (729), 614 states have internal predecessors, (729), 129 states have call successors, (129), 111 states have call predecessors, (129), 108 states have return successors, (179), 107 states have call predecessors, (179), 129 states have call successors, (179) [2023-12-25 06:02:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1037 transitions. [2023-12-25 06:02:04,886 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1037 transitions. Word has length 46 [2023-12-25 06:02:04,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:04,887 INFO L495 AbstractCegarLoop]: Abstraction has 799 states and 1037 transitions. [2023-12-25 06:02:04,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-25 06:02:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1037 transitions. [2023-12-25 06:02:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-25 06:02:04,889 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:04,889 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:02:04,914 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 06:02:05,104 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 06:02:05,104 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:05,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:05,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1345838028, now seen corresponding path program 1 times [2023-12-25 06:02:05,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:05,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332390366] [2023-12-25 06:02:05,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:05,105 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 06:02:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:05,108 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 06:02:05,109 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 06:02:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:05,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:05,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:05,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:05,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:05,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332390366] [2023-12-25 06:02:05,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332390366] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:05,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:05,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:05,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604794075] [2023-12-25 06:02:05,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:05,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:05,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:05,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:05,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:05,304 INFO L87 Difference]: Start difference. First operand 799 states and 1037 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 06:02:05,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:05,397 INFO L93 Difference]: Finished difference Result 1319 states and 1732 transitions. [2023-12-25 06:02:05,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:05,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 06:02:05,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:05,403 INFO L225 Difference]: With dead ends: 1319 [2023-12-25 06:02:05,403 INFO L226 Difference]: Without dead ends: 914 [2023-12-25 06:02:05,404 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 06:02:05,405 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 56 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:05,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 124 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:05,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2023-12-25 06:02:05,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 906. [2023-12-25 06:02:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 638 states have (on average 1.293103448275862) internal successors, (825), 697 states have internal predecessors, (825), 145 states have call successors, (145), 127 states have call predecessors, (145), 122 states have return successors, (205), 121 states have call predecessors, (205), 145 states have call successors, (205) [2023-12-25 06:02:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1175 transitions. [2023-12-25 06:02:05,453 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1175 transitions. Word has length 71 [2023-12-25 06:02:05,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:05,453 INFO L495 AbstractCegarLoop]: Abstraction has 906 states and 1175 transitions. [2023-12-25 06:02:05,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 06:02:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1175 transitions. [2023-12-25 06:02:05,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 06:02:05,457 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:05,457 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:05,462 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 06:02:05,659 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 06:02:05,660 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:05,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:05,660 INFO L85 PathProgramCache]: Analyzing trace with hash 511570630, now seen corresponding path program 1 times [2023-12-25 06:02:05,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:05,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345010728] [2023-12-25 06:02:05,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:05,660 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 06:02:05,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:05,663 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 06:02:05,717 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 06:02:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:05,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:02:05,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:02:05,826 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:05,826 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:05,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1345010728] [2023-12-25 06:02:05,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1345010728] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:05,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:05,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:02:05,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611425634] [2023-12-25 06:02:05,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:05,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:02:05,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:05,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:02:05,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:02:05,827 INFO L87 Difference]: Start difference. First operand 906 states and 1175 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-25 06:02:05,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:05,987 INFO L93 Difference]: Finished difference Result 1756 states and 2272 transitions. [2023-12-25 06:02:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:02:05,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 90 [2023-12-25 06:02:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:05,991 INFO L225 Difference]: With dead ends: 1756 [2023-12-25 06:02:05,991 INFO L226 Difference]: Without dead ends: 852 [2023-12-25 06:02:05,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 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 06:02:05,993 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 33 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:05,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 619 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:05,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2023-12-25 06:02:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 842. [2023-12-25 06:02:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 600 states have (on average 1.2616666666666667) internal successors, (757), 647 states have internal predecessors, (757), 127 states have call successors, (127), 113 states have call predecessors, (127), 114 states have return successors, (169), 115 states have call predecessors, (169), 127 states have call successors, (169) [2023-12-25 06:02:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1053 transitions. [2023-12-25 06:02:06,054 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1053 transitions. Word has length 90 [2023-12-25 06:02:06,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:06,055 INFO L495 AbstractCegarLoop]: Abstraction has 842 states and 1053 transitions. [2023-12-25 06:02:06,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-25 06:02:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1053 transitions. [2023-12-25 06:02:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 06:02:06,057 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:06,058 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:06,079 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 06:02:06,261 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 06:02:06,261 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:06,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:06,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1751390187, now seen corresponding path program 1 times [2023-12-25 06:02:06,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:06,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102886526] [2023-12-25 06:02:06,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:06,262 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 06:02:06,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:06,263 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 06:02:06,264 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 06:02:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:06,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:06,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:06,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:06,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:06,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102886526] [2023-12-25 06:02:06,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102886526] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:06,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:06,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:06,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761610140] [2023-12-25 06:02:06,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:06,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:06,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:06,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:06,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:06,394 INFO L87 Difference]: Start difference. First operand 842 states and 1053 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-25 06:02:06,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:06,522 INFO L93 Difference]: Finished difference Result 1409 states and 1801 transitions. [2023-12-25 06:02:06,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:06,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2023-12-25 06:02:06,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:06,526 INFO L225 Difference]: With dead ends: 1409 [2023-12-25 06:02:06,526 INFO L226 Difference]: Without dead ends: 806 [2023-12-25 06:02:06,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 06:02:06,528 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 49 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:06,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 176 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:06,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2023-12-25 06:02:06,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2023-12-25 06:02:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 573 states have (on average 1.225130890052356) internal successors, (702), 618 states have internal predecessors, (702), 123 states have call successors, (123), 110 states have call predecessors, (123), 109 states have return successors, (153), 110 states have call predecessors, (153), 123 states have call successors, (153) [2023-12-25 06:02:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 978 transitions. [2023-12-25 06:02:06,626 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 978 transitions. Word has length 83 [2023-12-25 06:02:06,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:06,627 INFO L495 AbstractCegarLoop]: Abstraction has 806 states and 978 transitions. [2023-12-25 06:02:06,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-25 06:02:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 978 transitions. [2023-12-25 06:02:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-25 06:02:06,632 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:06,632 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:06,647 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 06:02:06,834 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 06:02:06,834 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:06,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:06,835 INFO L85 PathProgramCache]: Analyzing trace with hash 216858071, now seen corresponding path program 1 times [2023-12-25 06:02:06,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:06,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971386386] [2023-12-25 06:02:06,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:06,835 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 06:02:06,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:06,836 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 06:02:06,837 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 06:02:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:06,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:06,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:02:06,951 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:06,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:06,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971386386] [2023-12-25 06:02:06,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971386386] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:06,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:06,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:06,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253980330] [2023-12-25 06:02:06,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:06,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:06,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:06,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:06,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:06,952 INFO L87 Difference]: Start difference. First operand 806 states and 978 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 06:02:07,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:07,032 INFO L93 Difference]: Finished difference Result 932 states and 1142 transitions. [2023-12-25 06:02:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:07,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 89 [2023-12-25 06:02:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:07,033 INFO L225 Difference]: With dead ends: 932 [2023-12-25 06:02:07,033 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:02:07,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 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 06:02:07,035 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 34 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:07,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 185 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:07,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:02:07,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:02:07,036 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 06:02:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:02:07,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2023-12-25 06:02:07,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:07,036 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:02:07,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 06:02:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:02:07,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:02:07,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:02:07,056 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 (14)] Ended with exit code 0 [2023-12-25 06:02:07,241 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 06:02:07,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:02:09,822 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 394 401) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 394 401) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2))) [2023-12-25 06:02:09,823 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 301 307) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 301 307) the Hoare annotation is: true [2023-12-25 06:02:09,823 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 122 133) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 122 133) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse8 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse8) (or .cse0 .cse6 .cse7 .cse3 .cse4))) [2023-12-25 06:02:09,823 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 122 133) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 919 948) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L902 garLoopResultBuilder]: At program point L929-2(lines 929 943) the Hoare annotation is: true [2023-12-25 06:02:09,823 INFO L902 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: true [2023-12-25 06:02:09,823 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L899 garLoopResultBuilder]: For program point L944(lines 919 948) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 919 948) the Hoare annotation is: true [2023-12-25 06:02:09,823 INFO L899 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2023-12-25 06:02:09,823 INFO L902 garLoopResultBuilder]: At program point L933-1(lines 933 937) the Hoare annotation is: true [2023-12-25 06:02:09,824 INFO L895 garLoopResultBuilder]: At program point L894(line 894) the Hoare annotation is: (let ((.cse13 (= (_ bv1 32) ~pumpRunning~0)) (.cse16 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse18 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse17 (= ~waterLevel~0 (_ bv1 32))) (.cse15 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse7 (and .cse14 .cse17 .cse15)) (.cse12 (and .cse18 .cse15)) (.cse11 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse6 (not .cse18)) (.cse8 (and .cse13 .cse16 .cse18)) (.cse9 (and .cse16 .cse18 .cse15)) (.cse1 (and .cse14 .cse17)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse10 (not .cse16)) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse2 .cse3 .cse4) (or .cse6 .cse8 .cse9 .cse10 .cse11) (or .cse6 .cse12 .cse0 (and .cse13 .cse14) .cse3 .cse4) (or .cse6 .cse0 .cse7 .cse2 .cse4 .cse10) (or .cse6 .cse12 .cse3 .cse11) (or .cse0 .cse10 .cse5 .cse15) (or .cse6 .cse8 .cse9 .cse0 .cse4 .cse10) (or .cse0 .cse1 .cse2 .cse4 .cse10 .cse5) (or .cse0 .cse3 .cse5 .cse15)))) [2023-12-25 06:02:09,824 INFO L899 garLoopResultBuilder]: For program point L894-1(line 894) no Hoare annotation was computed. [2023-12-25 06:02:09,824 INFO L895 garLoopResultBuilder]: At program point L407(line 407) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse2 .cse7) (or .cse4 .cse0 .cse6 .cse5) (or .cse1 .cse6 .cse7))) [2023-12-25 06:02:09,824 INFO L899 garLoopResultBuilder]: For program point L407-1(line 407) no Hoare annotation was computed. [2023-12-25 06:02:09,824 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2023-12-25 06:02:09,824 INFO L899 garLoopResultBuilder]: For program point L102-2(lines 98 109) no Hoare annotation was computed. [2023-12-25 06:02:09,824 INFO L899 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2023-12-25 06:02:09,824 INFO L899 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2023-12-25 06:02:09,824 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse0 .cse2 .cse6) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse4 .cse6) (or .cse1 .cse4 .cse5))) [2023-12-25 06:02:09,824 INFO L895 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4 (and .cse5 (= |timeShift_processEnvironment_~tmp~3#1| (_ bv1 32)))) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse2 .cse7) (or .cse5 .cse0 .cse6 .cse4) (or .cse1 .cse6 .cse7))) [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 910) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 913) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point L896-1(lines 888 916) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L895 garLoopResultBuilder]: At program point L380(line 380) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse10 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse8 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse3 (and .cse6 .cse5) .cse7 .cse4) (or .cse3 .cse7 .cse8) (or .cse0 .cse7 .cse2) (or .cse0 .cse3 (and .cse6 .cse9) .cse10 .cse4 .cse1) (or .cse0 .cse3 .cse10 .cse7 .cse4 .cse9) (or .cse3 .cse1 .cse8))) [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point L281-1(lines 280 299) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 277 300) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse10 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (and .cse4 .cse12)) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse11 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse3) (or .cse1 .cse6 .cse7 .cse2 .cse5) (or .cse6 .cse8 .cse2 .cse5 .cse9 .cse10) (or .cse6 .cse11 .cse10 .cse12) (or .cse1 .cse6 .cse8 .cse5 .cse9 .cse11) (or .cse4 .cse6 .cse2 .cse5 .cse10) (or .cse6 (and .cse4 .cse9) .cse8 .cse5 .cse11 .cse10) (or .cse0 .cse1 .cse11 .cse3) (or .cse6 .cse2 .cse10 .cse12) (or .cse1 .cse6 .cse8 .cse2 .cse5 .cse9) (or .cse1 .cse6 .cse7 .cse5 .cse11)))) [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 377) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 382) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 277 300) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2023-12-25 06:02:09,825 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 142) the Hoare annotation is: true [2023-12-25 06:02:09,825 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 134 142) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L213(lines 212 259) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 255) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse0 .cse5 .cse1 .cse3) (and .cse7 .cse1 .cse2 .cse3))) [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L263(lines 202 267) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 228) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L895 garLoopResultBuilder]: At program point L260(lines 211 261) the Hoare annotation is: false [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L895 garLoopResultBuilder]: At program point L248-2(lines 242 255) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~systemActive~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3) (and .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse2 .cse3))) [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2023-12-25 06:02:09,826 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L895 garLoopResultBuilder]: At program point L257(lines 212 259) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse0 .cse5 .cse1 .cse3) (and .cse7 .cse1 .cse2 .cse3))) [2023-12-25 06:02:09,827 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse0 .cse5 .cse1 .cse3) (and .cse7 .cse1 .cse2 .cse3))) [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L1001(lines 1001 1008) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L1001-2(lines 1001 1008) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 309 333) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32))) .cse3))) [2023-12-25 06:02:09,827 INFO L895 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse2 .cse3 .cse1) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 175 188) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 325) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 309 333) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 330) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L895 garLoopResultBuilder]: At program point L328(line 328) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 309 333) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 110 121) no Hoare annotation was computed. [2023-12-25 06:02:09,827 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 110 121) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse3 .cse7 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse3 .cse7 .cse4 .cse5))) [2023-12-25 06:02:09,828 INFO L895 garLoopResultBuilder]: At program point L349(line 349) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2023-12-25 06:02:09,828 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2023-12-25 06:02:09,828 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 351) no Hoare annotation was computed. [2023-12-25 06:02:09,828 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 356) no Hoare annotation was computed. [2023-12-25 06:02:09,828 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 359) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32))) .cse3))) [2023-12-25 06:02:09,828 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2023-12-25 06:02:09,828 INFO L899 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2023-12-25 06:02:09,828 INFO L895 garLoopResultBuilder]: At program point L354(line 354) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32))) .cse3))) [2023-12-25 06:02:09,828 INFO L899 garLoopResultBuilder]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2023-12-25 06:02:09,828 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 335 359) no Hoare annotation was computed. [2023-12-25 06:02:09,830 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:09,832 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:02:09,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:09 BoogieIcfgContainer [2023-12-25 06:02:09,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:02:09,840 INFO L158 Benchmark]: Toolchain (without parser) took 10070.92ms. Allocated memory was 265.3MB in the beginning and 318.8MB in the end (delta: 53.5MB). Free memory was 221.0MB in the beginning and 175.4MB in the end (delta: 45.6MB). Peak memory consumption was 175.6MB. Max. memory is 8.0GB. [2023-12-25 06:02:09,840 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 175.1MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:02:09,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.98ms. Allocated memory is still 265.3MB. Free memory was 220.5MB in the beginning and 194.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-25 06:02:09,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.73ms. Allocated memory is still 265.3MB. Free memory was 194.3MB in the beginning and 191.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:09,841 INFO L158 Benchmark]: Boogie Preprocessor took 118.37ms. Allocated memory is still 265.3MB. Free memory was 191.7MB in the beginning and 189.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:09,841 INFO L158 Benchmark]: RCFGBuilder took 669.30ms. Allocated memory is still 265.3MB. Free memory was 189.1MB in the beginning and 158.1MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-25 06:02:09,841 INFO L158 Benchmark]: TraceAbstraction took 8345.67ms. Allocated memory was 265.3MB in the beginning and 318.8MB in the end (delta: 53.5MB). Free memory was 157.1MB in the beginning and 175.4MB in the end (delta: -18.4MB). Peak memory consumption was 111.7MB. Max. memory is 8.0GB. [2023-12-25 06:02:09,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 175.1MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 826.98ms. Allocated memory is still 265.3MB. Free memory was 220.5MB in the beginning and 194.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 102.73ms. Allocated memory is still 265.3MB. Free memory was 194.3MB in the beginning and 191.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 118.37ms. Allocated memory is still 265.3MB. Free memory was 191.7MB in the beginning and 189.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 669.30ms. Allocated memory is still 265.3MB. Free memory was 189.1MB in the beginning and 158.1MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 8345.67ms. Allocated memory was 265.3MB in the beginning and 318.8MB in the end (delta: 53.5MB). Free memory was 157.1MB in the beginning and 175.4MB in the end (delta: -18.4MB). Peak memory consumption was 111.7MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 198]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [198] - GenericResultAtLocation [Line: 268]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [268] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [511] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [877] - GenericResultAtLocation [Line: 917]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [917] - GenericResultAtLocation [Line: 1014]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1014] * 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: 1019]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 487 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 3013 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1741 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 600 IncrementalHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 1272 mSDtfsCounter, 600 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 606 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=906occurred in iteration=10, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 212 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 1722 PreInvPairs, 1799 NumberOfFragments, 1997 HoareAnnotationTreeSize, 1722 FormulaSimplifications, 344 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 28 FormulaSimplificationsInter, 4135 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 613 NumberOfCodeBlocks, 613 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 600 ConstructedInterpolants, 0 QuantifiedInterpolants, 1143 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1576 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 126/126 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: 212]: Loop Invariant Derived loop invariant: ((((((((((methAndRunningLastTime == 0) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((systemActive == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((systemActive == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((1 == pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0))) || ((((1 == pumpRunning) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0))) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:02:09,872 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...