/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:42:34,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:42:34,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:42:34,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:42:34,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:42:34,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:42:34,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:42:34,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:42:34,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:42:34,914 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:42:34,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:42:34,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:42:34,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:42:34,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:42:34,916 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:42:34,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:42:34,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:42:34,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:42:34,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:42:34,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:42:34,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:42:34,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:42:34,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:42:34,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:42:34,919 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:42:34,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:42:34,919 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:42:34,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:42:34,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:42:34,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:42:34,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:42:34,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:42:34,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:42:34,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:42:34,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:42:34,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:42:34,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:42:34,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:42:34,922 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:42:34,922 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:42:34,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:42:34,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:42:34,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:42:34,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:42:34,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:42:34,923 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:42:34,923 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:42:35,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:42:35,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:42:35,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:42:35,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:42:35,152 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:42:35,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2023-12-16 17:42:36,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:42:36,356 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:42:36,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2023-12-16 17:42:36,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/308807458/b68a41ccb173445ea8734df651cb019f/FLAGcc7f7e264 [2023-12-16 17:42:36,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/308807458/b68a41ccb173445ea8734df651cb019f [2023-12-16 17:42:36,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:42:36,381 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:42:36,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:42:36,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:42:36,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:42:36,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283762fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36, skipping insertion in model container [2023-12-16 17:42:36,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,419 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:42:36,620 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2023-12-16 17:42:36,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:36,663 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:42:36,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:42:36,717 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2023-12-16 17:42:36,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:36,731 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:42:36,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-16 17:42:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2023-12-16 17:42:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] [2023-12-16 17:42:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] [2023-12-16 17:42:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [730] [2023-12-16 17:42:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] [2023-12-16 17:42:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [926] [2023-12-16 17:42:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [975] [2023-12-16 17:42:36,756 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2023-12-16 17:42:36,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:36,778 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:42:36,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36 WrapperNode [2023-12-16 17:42:36,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:42:36,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:42:36,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:42:36,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:42:36,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,822 INFO L138 Inliner]: procedures = 60, calls = 105, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 204 [2023-12-16 17:42:36,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:42:36,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:42:36,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:42:36,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:42:36,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,860 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 17:42:36,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:42:36,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:42:36,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:42:36,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:42:36,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (1/1) ... [2023-12-16 17:42:36,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:42:36,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:42:36,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 17:42:36,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 17:42:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:42:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:42:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:42:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:42:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:42:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:42:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:42:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:42:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:42:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:42:37,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:42:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:42:37,005 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-16 17:42:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-16 17:42:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-16 17:42:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-16 17:42:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:42:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:42:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:42:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:42:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:42:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:42:37,082 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:42:37,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:42:37,321 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:42:37,438 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:42:37,439 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:42:37,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:42:37 BoogieIcfgContainer [2023-12-16 17:42:37,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:42:37,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:42:37,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:42:37,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:42:37,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:42:36" (1/3) ... [2023-12-16 17:42:37,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408338fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:42:37, skipping insertion in model container [2023-12-16 17:42:37,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:36" (2/3) ... [2023-12-16 17:42:37,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408338fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:42:37, skipping insertion in model container [2023-12-16 17:42:37,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:42:37" (3/3) ... [2023-12-16 17:42:37,444 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2023-12-16 17:42:37,461 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:42:37,461 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:42:37,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:42:37,505 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;@1d29ff09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:42:37,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:42:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 56 states have (on average 1.5) internal successors, (84), 65 states have internal predecessors, (84), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 17:42:37,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-16 17:42:37,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:37,517 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:37,517 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:37,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash -449197899, now seen corresponding path program 1 times [2023-12-16 17:42:37,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:37,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569391587] [2023-12-16 17:42:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:37,530 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:37,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:37,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:37,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 17:42:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:37,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:42:37,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:42:37,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:37,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:37,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569391587] [2023-12-16 17:42:37,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569391587] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:37,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:37,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:37,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452665570] [2023-12-16 17:42:37,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:37,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:42:37,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:42:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:42:37,672 INFO L87 Difference]: Start difference. First operand has 83 states, 56 states have (on average 1.5) internal successors, (84), 65 states have internal predecessors, (84), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:37,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:37,714 INFO L93 Difference]: Finished difference Result 164 states and 233 transitions. [2023-12-16 17:42:37,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:42:37,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-16 17:42:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:37,721 INFO L225 Difference]: With dead ends: 164 [2023-12-16 17:42:37,721 INFO L226 Difference]: Without dead ends: 78 [2023-12-16 17:42:37,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:42:37,725 INFO L413 NwaCegarLoop]: 95 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, 95 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:37,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:37,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-16 17:42:37,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-12-16 17:42:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 61 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-16 17:42:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2023-12-16 17:42:37,752 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 22 [2023-12-16 17:42:37,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:37,753 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2023-12-16 17:42:37,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2023-12-16 17:42:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-16 17:42:37,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:37,755 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:37,767 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 [2023-12-16 17:42:37,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:37,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:37,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:37,968 INFO L85 PathProgramCache]: Analyzing trace with hash -202773606, now seen corresponding path program 1 times [2023-12-16 17:42:37,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:37,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776936877] [2023-12-16 17:42:37,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:37,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:37,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:37,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:42:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:38,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:42:38,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:42:38,053 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:38,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:38,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776936877] [2023-12-16 17:42:38,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776936877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:38,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:38,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:42:38,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838506786] [2023-12-16 17:42:38,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:38,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:38,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:38,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:38,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:38,059 INFO L87 Difference]: Start difference. First operand 78 states and 105 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:38,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:38,113 INFO L93 Difference]: Finished difference Result 126 states and 168 transitions. [2023-12-16 17:42:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:38,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-16 17:42:38,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:38,115 INFO L225 Difference]: With dead ends: 126 [2023-12-16 17:42:38,115 INFO L226 Difference]: Without dead ends: 70 [2023-12-16 17:42:38,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:38,116 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 14 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:38,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 146 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-12-16 17:42:38,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-12-16 17:42:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 56 states have internal predecessors, (68), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:42:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2023-12-16 17:42:38,127 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 23 [2023-12-16 17:42:38,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:38,127 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2023-12-16 17:42:38,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-12-16 17:42:38,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 17:42:38,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:38,128 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:38,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:38,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:38,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:38,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:38,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1368182408, now seen corresponding path program 1 times [2023-12-16 17:42:38,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:38,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403773047] [2023-12-16 17:42:38,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:38,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:38,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:38,334 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:38,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:42:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:38,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:42:38,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:38,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:38,404 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:38,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:38,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403773047] [2023-12-16 17:42:38,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403773047] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:38,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:38,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:42:38,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682225612] [2023-12-16 17:42:38,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:38,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:38,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:38,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:38,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:38,411 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 17:42:38,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:38,487 INFO L93 Difference]: Finished difference Result 206 states and 279 transitions. [2023-12-16 17:42:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:38,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-16 17:42:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:38,489 INFO L225 Difference]: With dead ends: 206 [2023-12-16 17:42:38,489 INFO L226 Difference]: Without dead ends: 138 [2023-12-16 17:42:38,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:38,490 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 83 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:38,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 171 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:38,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-16 17:42:38,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2023-12-16 17:42:38,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 92 states have (on average 1.423913043478261) internal successors, (131), 107 states have internal predecessors, (131), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-16 17:42:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 183 transitions. [2023-12-16 17:42:38,513 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 183 transitions. Word has length 26 [2023-12-16 17:42:38,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:38,514 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 183 transitions. [2023-12-16 17:42:38,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 17:42:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 183 transitions. [2023-12-16 17:42:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-16 17:42:38,515 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:38,515 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:38,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:38,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:38,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:38,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:38,725 INFO L85 PathProgramCache]: Analyzing trace with hash 36370968, now seen corresponding path program 1 times [2023-12-16 17:42:38,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:38,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214755474] [2023-12-16 17:42:38,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:38,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:38,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:38,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:38,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:42:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:38,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:42:38,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-16 17:42:38,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:38,859 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:38,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214755474] [2023-12-16 17:42:38,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214755474] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:38,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:38,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:42:38,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913761701] [2023-12-16 17:42:38,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:38,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:38,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:38,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:38,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:38,862 INFO L87 Difference]: Start difference. First operand 135 states and 183 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:39,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:39,002 INFO L93 Difference]: Finished difference Result 358 states and 489 transitions. [2023-12-16 17:42:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 17:42:39,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-16 17:42:39,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:39,005 INFO L225 Difference]: With dead ends: 358 [2023-12-16 17:42:39,005 INFO L226 Difference]: Without dead ends: 225 [2023-12-16 17:42:39,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:42:39,006 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 48 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:39,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 349 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:39,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-12-16 17:42:39,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 220. [2023-12-16 17:42:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 153 states have (on average 1.3529411764705883) internal successors, (207), 170 states have internal predecessors, (207), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2023-12-16 17:42:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 287 transitions. [2023-12-16 17:42:39,025 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 287 transitions. Word has length 29 [2023-12-16 17:42:39,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:39,025 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 287 transitions. [2023-12-16 17:42:39,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 287 transitions. [2023-12-16 17:42:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-16 17:42:39,027 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:39,027 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:39,044 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 [2023-12-16 17:42:39,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:39,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:39,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1201233109, now seen corresponding path program 1 times [2023-12-16 17:42:39,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:39,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377527575] [2023-12-16 17:42:39,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:39,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:39,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:39,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:42:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:39,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:39,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:39,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:39,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:39,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377527575] [2023-12-16 17:42:39,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377527575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:39,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:39,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:39,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875319160] [2023-12-16 17:42:39,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:39,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:39,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:39,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:39,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:39,293 INFO L87 Difference]: Start difference. First operand 220 states and 287 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-12-16 17:42:39,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:39,338 INFO L93 Difference]: Finished difference Result 446 states and 600 transitions. [2023-12-16 17:42:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:39,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 44 [2023-12-16 17:42:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:39,341 INFO L225 Difference]: With dead ends: 446 [2023-12-16 17:42:39,342 INFO L226 Difference]: Without dead ends: 228 [2023-12-16 17:42:39,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:39,343 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:39,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 237 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:39,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-16 17:42:39,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 224. [2023-12-16 17:42:39,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 157 states have (on average 1.3439490445859872) internal successors, (211), 174 states have internal predecessors, (211), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2023-12-16 17:42:39,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 291 transitions. [2023-12-16 17:42:39,359 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 291 transitions. Word has length 44 [2023-12-16 17:42:39,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:39,360 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 291 transitions. [2023-12-16 17:42:39,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-12-16 17:42:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 291 transitions. [2023-12-16 17:42:39,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-16 17:42:39,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:39,361 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:39,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:39,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,566 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:39,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:39,566 INFO L85 PathProgramCache]: Analyzing trace with hash -778531283, now seen corresponding path program 1 times [2023-12-16 17:42:39,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:39,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828280364] [2023-12-16 17:42:39,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:39,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:39,568 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) [2023-12-16 17:42:39,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 17:42:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:39,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:39,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:39,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:39,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:39,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828280364] [2023-12-16 17:42:39,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828280364] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:39,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:39,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:39,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668813978] [2023-12-16 17:42:39,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:39,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:39,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:39,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:39,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:39,628 INFO L87 Difference]: Start difference. First operand 224 states and 291 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-12-16 17:42:39,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:39,680 INFO L93 Difference]: Finished difference Result 460 states and 616 transitions. [2023-12-16 17:42:39,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:39,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 44 [2023-12-16 17:42:39,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:39,683 INFO L225 Difference]: With dead ends: 460 [2023-12-16 17:42:39,683 INFO L226 Difference]: Without dead ends: 238 [2023-12-16 17:42:39,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:42:39,684 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 6 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 243 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 [2023-12-16 17:42:39,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 243 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:39,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-16 17:42:39,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 228. [2023-12-16 17:42:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 161 states have (on average 1.3354037267080745) internal successors, (215), 178 states have internal predecessors, (215), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2023-12-16 17:42:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 295 transitions. [2023-12-16 17:42:39,696 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 295 transitions. Word has length 44 [2023-12-16 17:42:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:39,696 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 295 transitions. [2023-12-16 17:42:39,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-12-16 17:42:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 295 transitions. [2023-12-16 17:42:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-16 17:42:39,698 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:39,698 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:39,702 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 [2023-12-16 17:42:39,900 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 [2023-12-16 17:42:39,900 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:39,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1710997679, now seen corresponding path program 1 times [2023-12-16 17:42:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:39,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766968815] [2023-12-16 17:42:39,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:39,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:39,902 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) [2023-12-16 17:42:39,904 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 [2023-12-16 17:42:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:39,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:39,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:39,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:39,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:39,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:39,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766968815] [2023-12-16 17:42:39,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766968815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:39,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:39,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:39,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594897665] [2023-12-16 17:42:39,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:39,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:39,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:39,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:39,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:39,977 INFO L87 Difference]: Start difference. First operand 228 states and 295 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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) [2023-12-16 17:42:40,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:40,018 INFO L93 Difference]: Finished difference Result 544 states and 709 transitions. [2023-12-16 17:42:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:40,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 44 [2023-12-16 17:42:40,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:40,021 INFO L225 Difference]: With dead ends: 544 [2023-12-16 17:42:40,021 INFO L226 Difference]: Without dead ends: 318 [2023-12-16 17:42:40,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:40,022 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 34 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 157 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 [2023-12-16 17:42:40,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 157 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:40,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-12-16 17:42:40,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2023-12-16 17:42:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 227 states have (on average 1.2951541850220265) internal successors, (294), 246 states have internal predecessors, (294), 50 states have call successors, (50), 42 states have call predecessors, (50), 40 states have return successors, (58), 45 states have call predecessors, (58), 50 states have call successors, (58) [2023-12-16 17:42:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 402 transitions. [2023-12-16 17:42:40,037 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 402 transitions. Word has length 44 [2023-12-16 17:42:40,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:40,038 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 402 transitions. [2023-12-16 17:42:40,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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) [2023-12-16 17:42:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 402 transitions. [2023-12-16 17:42:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-16 17:42:40,039 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:40,039 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:40,055 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 [2023-12-16 17:42:40,241 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 [2023-12-16 17:42:40,242 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:40,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:40,242 INFO L85 PathProgramCache]: Analyzing trace with hash -733397867, now seen corresponding path program 1 times [2023-12-16 17:42:40,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:40,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580625041] [2023-12-16 17:42:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:40,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:40,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:40,243 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) [2023-12-16 17:42:40,252 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 [2023-12-16 17:42:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:40,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 17:42:40,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:40,376 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:40,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:40,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580625041] [2023-12-16 17:42:40,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580625041] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:40,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:40,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:42:40,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310310777] [2023-12-16 17:42:40,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:40,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 17:42:40,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:40,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 17:42:40,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 17:42:40,379 INFO L87 Difference]: Start difference. First operand 318 states and 402 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-16 17:42:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:40,720 INFO L93 Difference]: Finished difference Result 1020 states and 1351 transitions. [2023-12-16 17:42:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 17:42:40,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 48 [2023-12-16 17:42:40,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:40,723 INFO L225 Difference]: With dead ends: 1020 [2023-12-16 17:42:40,723 INFO L226 Difference]: Without dead ends: 794 [2023-12-16 17:42:40,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-16 17:42:40,724 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 216 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:40,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 374 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:42:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2023-12-16 17:42:40,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 758. [2023-12-16 17:42:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 537 states have (on average 1.2830540037243947) internal successors, (689), 587 states have internal predecessors, (689), 121 states have call successors, (121), 91 states have call predecessors, (121), 99 states have return successors, (153), 111 states have call predecessors, (153), 121 states have call successors, (153) [2023-12-16 17:42:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 963 transitions. [2023-12-16 17:42:40,762 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 963 transitions. Word has length 48 [2023-12-16 17:42:40,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:40,762 INFO L495 AbstractCegarLoop]: Abstraction has 758 states and 963 transitions. [2023-12-16 17:42:40,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-16 17:42:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 963 transitions. [2023-12-16 17:42:40,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 17:42:40,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:40,764 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-16 17:42:40,780 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 (9)] Ended with exit code 0 [2023-12-16 17:42:40,966 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 [2023-12-16 17:42:40,967 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:40,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:40,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2067267942, now seen corresponding path program 1 times [2023-12-16 17:42:40,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:40,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693107114] [2023-12-16 17:42:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:40,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:40,968 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) [2023-12-16 17:42:40,970 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 [2023-12-16 17:42:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:41,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:42:41,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:41,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:41,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:41,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693107114] [2023-12-16 17:42:41,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693107114] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:41,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:41,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:42:41,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127182915] [2023-12-16 17:42:41,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:41,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:41,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:41,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:41,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:41,058 INFO L87 Difference]: Start difference. First operand 758 states and 963 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2023-12-16 17:42:41,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:41,113 INFO L93 Difference]: Finished difference Result 1639 states and 2097 transitions. [2023-12-16 17:42:41,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:41,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 73 [2023-12-16 17:42:41,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:41,116 INFO L225 Difference]: With dead ends: 1639 [2023-12-16 17:42:41,117 INFO L226 Difference]: Without dead ends: 883 [2023-12-16 17:42:41,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:41,118 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 50 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:41,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 118 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:41,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-12-16 17:42:41,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 875. [2023-12-16 17:42:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 621 states have (on average 1.2785829307568437) internal successors, (794), 678 states have internal predecessors, (794), 139 states have call successors, (139), 106 states have call predecessors, (139), 114 states have return successors, (177), 128 states have call predecessors, (177), 139 states have call successors, (177) [2023-12-16 17:42:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1110 transitions. [2023-12-16 17:42:41,182 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1110 transitions. Word has length 73 [2023-12-16 17:42:41,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:41,182 INFO L495 AbstractCegarLoop]: Abstraction has 875 states and 1110 transitions. [2023-12-16 17:42:41,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2023-12-16 17:42:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1110 transitions. [2023-12-16 17:42:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-16 17:42:41,183 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:41,183 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:41,208 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 [2023-12-16 17:42:41,386 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 [2023-12-16 17:42:41,386 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:41,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:41,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1943847318, now seen corresponding path program 1 times [2023-12-16 17:42:41,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:41,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28565847] [2023-12-16 17:42:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:41,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:41,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:41,388 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) [2023-12-16 17:42:41,416 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 [2023-12-16 17:42:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:41,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:42:41,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:41,509 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:41,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-16 17:42:41,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:41,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28565847] [2023-12-16 17:42:41,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28565847] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:41,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:41,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-16 17:42:41,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203227708] [2023-12-16 17:42:41,624 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:41,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 17:42:41,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:41,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 17:42:41,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-16 17:42:41,625 INFO L87 Difference]: Start difference. First operand 875 states and 1110 transitions. Second operand has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2023-12-16 17:42:41,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:41,938 INFO L93 Difference]: Finished difference Result 1992 states and 2625 transitions. [2023-12-16 17:42:41,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 17:42:41,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) Word has length 84 [2023-12-16 17:42:41,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:41,944 INFO L225 Difference]: With dead ends: 1992 [2023-12-16 17:42:41,944 INFO L226 Difference]: Without dead ends: 1232 [2023-12-16 17:42:41,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2023-12-16 17:42:41,946 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 185 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:41,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 780 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:42:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2023-12-16 17:42:42,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1095. [2023-12-16 17:42:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 771 states have (on average 1.2594033722438391) internal successors, (971), 844 states have internal predecessors, (971), 175 states have call successors, (175), 142 states have call predecessors, (175), 148 states have return successors, (222), 159 states have call predecessors, (222), 175 states have call successors, (222) [2023-12-16 17:42:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1368 transitions. [2023-12-16 17:42:42,030 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1368 transitions. Word has length 84 [2023-12-16 17:42:42,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:42,030 INFO L495 AbstractCegarLoop]: Abstraction has 1095 states and 1368 transitions. [2023-12-16 17:42:42,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2023-12-16 17:42:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1368 transitions. [2023-12-16 17:42:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-16 17:42:42,033 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:42,033 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 17:42:42,048 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 [2023-12-16 17:42:42,236 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 [2023-12-16 17:42:42,236 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:42,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:42,237 INFO L85 PathProgramCache]: Analyzing trace with hash -842030118, now seen corresponding path program 1 times [2023-12-16 17:42:42,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:42,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355026201] [2023-12-16 17:42:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:42,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:42,238 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) [2023-12-16 17:42:42,263 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 [2023-12-16 17:42:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:42,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 17:42:42,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 17:42:42,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 62 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-16 17:42:42,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:42,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355026201] [2023-12-16 17:42:42,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [355026201] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:42,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:42,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-12-16 17:42:42,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592971569] [2023-12-16 17:42:42,743 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:42,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-16 17:42:42,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:42,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-16 17:42:42,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-12-16 17:42:42,744 INFO L87 Difference]: Start difference. First operand 1095 states and 1368 transitions. Second operand has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 16 states have internal predecessors, (138), 10 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (30), 8 states have call predecessors, (30), 10 states have call successors, (30) [2023-12-16 17:42:43,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:43,846 INFO L93 Difference]: Finished difference Result 3730 states and 4964 transitions. [2023-12-16 17:42:43,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-16 17:42:43,847 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 16 states have internal predecessors, (138), 10 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (30), 8 states have call predecessors, (30), 10 states have call successors, (30) Word has length 152 [2023-12-16 17:42:43,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:43,856 INFO L225 Difference]: With dead ends: 3730 [2023-12-16 17:42:43,856 INFO L226 Difference]: Without dead ends: 2637 [2023-12-16 17:42:43,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=294, Invalid=1112, Unknown=0, NotChecked=0, Total=1406 [2023-12-16 17:42:43,860 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 995 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:43,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 749 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 17:42:43,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2023-12-16 17:42:44,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2503. [2023-12-16 17:42:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2503 states, 1738 states have (on average 1.2543153049482163) internal successors, (2180), 1930 states have internal predecessors, (2180), 403 states have call successors, (403), 340 states have call predecessors, (403), 361 states have return successors, (587), 359 states have call predecessors, (587), 403 states have call successors, (587) [2023-12-16 17:42:44,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2503 states and 3170 transitions. [2023-12-16 17:42:44,030 INFO L78 Accepts]: Start accepts. Automaton has 2503 states and 3170 transitions. Word has length 152 [2023-12-16 17:42:44,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:44,030 INFO L495 AbstractCegarLoop]: Abstraction has 2503 states and 3170 transitions. [2023-12-16 17:42:44,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 16 states have internal predecessors, (138), 10 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (30), 8 states have call predecessors, (30), 10 states have call successors, (30) [2023-12-16 17:42:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 3170 transitions. [2023-12-16 17:42:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-16 17:42:44,035 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:44,035 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 17:42:44,041 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 [2023-12-16 17:42:44,238 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 [2023-12-16 17:42:44,239 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:44,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:44,239 INFO L85 PathProgramCache]: Analyzing trace with hash -2016032994, now seen corresponding path program 1 times [2023-12-16 17:42:44,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:44,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539127188] [2023-12-16 17:42:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:44,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:44,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:44,241 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) [2023-12-16 17:42:44,276 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 [2023-12-16 17:42:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:44,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 17:42:44,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 151 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-16 17:42:44,401 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 84 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-16 17:42:44,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:44,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539127188] [2023-12-16 17:42:44,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539127188] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:44,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:44,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-16 17:42:44,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30675758] [2023-12-16 17:42:44,682 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:44,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 17:42:44,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:44,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 17:42:44,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-12-16 17:42:44,683 INFO L87 Difference]: Start difference. First operand 2503 states and 3170 transitions. Second operand has 14 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (31), 4 states have call predecessors, (31), 10 states have return successors, (33), 8 states have call predecessors, (33), 6 states have call successors, (33) [2023-12-16 17:42:45,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:45,164 INFO L93 Difference]: Finished difference Result 4981 states and 6369 transitions. [2023-12-16 17:42:45,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 17:42:45,165 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (31), 4 states have call predecessors, (31), 10 states have return successors, (33), 8 states have call predecessors, (33), 6 states have call successors, (33) Word has length 162 [2023-12-16 17:42:45,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:45,174 INFO L225 Difference]: With dead ends: 4981 [2023-12-16 17:42:45,174 INFO L226 Difference]: Without dead ends: 2593 [2023-12-16 17:42:45,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2023-12-16 17:42:45,178 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 183 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:45,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 418 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 17:42:45,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2023-12-16 17:42:45,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2409. [2023-12-16 17:42:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 1677 states have (on average 1.2468694096601074) internal successors, (2091), 1851 states have internal predecessors, (2091), 371 states have call successors, (371), 329 states have call predecessors, (371), 360 states have return successors, (529), 345 states have call predecessors, (529), 371 states have call successors, (529) [2023-12-16 17:42:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 2991 transitions. [2023-12-16 17:42:45,337 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 2991 transitions. Word has length 162 [2023-12-16 17:42:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:45,338 INFO L495 AbstractCegarLoop]: Abstraction has 2409 states and 2991 transitions. [2023-12-16 17:42:45,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (31), 4 states have call predecessors, (31), 10 states have return successors, (33), 8 states have call predecessors, (33), 6 states have call successors, (33) [2023-12-16 17:42:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 2991 transitions. [2023-12-16 17:42:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-16 17:42:45,340 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:45,341 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 17:42:45,346 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 (13)] Ended with exit code 0 [2023-12-16 17:42:45,543 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 [2023-12-16 17:42:45,544 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:45,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:45,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1818775323, now seen corresponding path program 1 times [2023-12-16 17:42:45,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:45,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529346132] [2023-12-16 17:42:45,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:45,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:45,546 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) [2023-12-16 17:42:45,601 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 [2023-12-16 17:42:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:45,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:42:45,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-16 17:42:45,788 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:45,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:45,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529346132] [2023-12-16 17:42:45,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529346132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:45,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:45,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:42:45,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692056976] [2023-12-16 17:42:45,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:45,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:45,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:45,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:45,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:45,789 INFO L87 Difference]: Start difference. First operand 2409 states and 2991 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-16 17:42:46,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:46,123 INFO L93 Difference]: Finished difference Result 7041 states and 8847 transitions. [2023-12-16 17:42:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:42:46,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 163 [2023-12-16 17:42:46,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:46,140 INFO L225 Difference]: With dead ends: 7041 [2023-12-16 17:42:46,141 INFO L226 Difference]: Without dead ends: 4634 [2023-12-16 17:42:46,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:46,146 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 26 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:46,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 322 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:46,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4634 states. [2023-12-16 17:42:46,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4634 to 4544. [2023-12-16 17:42:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4544 states, 3171 states have (on average 1.227057710501419) internal successors, (3891), 3494 states have internal predecessors, (3891), 686 states have call successors, (686), 622 states have call predecessors, (686), 686 states have return successors, (1002), 648 states have call predecessors, (1002), 686 states have call successors, (1002) [2023-12-16 17:42:46,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4544 states to 4544 states and 5579 transitions. [2023-12-16 17:42:46,423 INFO L78 Accepts]: Start accepts. Automaton has 4544 states and 5579 transitions. Word has length 163 [2023-12-16 17:42:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:46,424 INFO L495 AbstractCegarLoop]: Abstraction has 4544 states and 5579 transitions. [2023-12-16 17:42:46,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-16 17:42:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4544 states and 5579 transitions. [2023-12-16 17:42:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-16 17:42:46,430 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:46,430 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 17:42:46,436 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 [2023-12-16 17:42:46,633 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 [2023-12-16 17:42:46,634 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:46,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:46,634 INFO L85 PathProgramCache]: Analyzing trace with hash -168716159, now seen corresponding path program 1 times [2023-12-16 17:42:46,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:46,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231243612] [2023-12-16 17:42:46,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:46,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:46,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:46,672 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:46,672 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 (15)] Waiting until timeout for monitored process [2023-12-16 17:42:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:46,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:42:46,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-16 17:42:46,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:46,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:46,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231243612] [2023-12-16 17:42:46,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231243612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:46,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:46,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:42:46,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540610713] [2023-12-16 17:42:46,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:46,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:46,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:46,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:46,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:46,807 INFO L87 Difference]: Start difference. First operand 4544 states and 5579 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:42:47,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:47,169 INFO L93 Difference]: Finished difference Result 8750 states and 10754 transitions. [2023-12-16 17:42:47,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:42:47,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 167 [2023-12-16 17:42:47,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:47,182 INFO L225 Difference]: With dead ends: 8750 [2023-12-16 17:42:47,182 INFO L226 Difference]: Without dead ends: 4208 [2023-12-16 17:42:47,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:47,190 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 61 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:47,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 588 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:47,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4208 states. [2023-12-16 17:42:47,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4208 to 4080. [2023-12-16 17:42:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4080 states, 2867 states have (on average 1.2002092779909312) internal successors, (3441), 3116 states have internal predecessors, (3441), 618 states have call successors, (618), 562 states have call predecessors, (618), 594 states have return successors, (795), 574 states have call predecessors, (795), 618 states have call successors, (795) [2023-12-16 17:42:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4080 states to 4080 states and 4854 transitions. [2023-12-16 17:42:47,434 INFO L78 Accepts]: Start accepts. Automaton has 4080 states and 4854 transitions. Word has length 167 [2023-12-16 17:42:47,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:47,434 INFO L495 AbstractCegarLoop]: Abstraction has 4080 states and 4854 transitions. [2023-12-16 17:42:47,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:42:47,434 INFO L276 IsEmpty]: Start isEmpty. Operand 4080 states and 4854 transitions. [2023-12-16 17:42:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-16 17:42:47,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:47,439 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-16 17:42:47,450 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 (15)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:47,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:47,643 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:47,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:47,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1565130257, now seen corresponding path program 1 times [2023-12-16 17:42:47,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:47,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814563323] [2023-12-16 17:42:47,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:47,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:47,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:47,645 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:47,672 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 (16)] Waiting until timeout for monitored process [2023-12-16 17:42:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:47,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:42:47,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-16 17:42:47,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:47,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:47,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814563323] [2023-12-16 17:42:47,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814563323] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:47,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:47,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:42:47,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984416356] [2023-12-16 17:42:47,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:47,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:47,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:47,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:47,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:47,765 INFO L87 Difference]: Start difference. First operand 4080 states and 4854 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-16 17:42:48,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:48,107 INFO L93 Difference]: Finished difference Result 7580 states and 9068 transitions. [2023-12-16 17:42:48,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:42:48,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) Word has length 171 [2023-12-16 17:42:48,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:48,119 INFO L225 Difference]: With dead ends: 7580 [2023-12-16 17:42:48,120 INFO L226 Difference]: Without dead ends: 3740 [2023-12-16 17:42:48,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:48,128 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 59 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:48,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 351 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:48,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2023-12-16 17:42:48,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3710. [2023-12-16 17:42:48,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3710 states, 2629 states have (on average 1.202358311144922) internal successors, (3161), 2834 states have internal predecessors, (3161), 550 states have call successors, (550), 506 states have call predecessors, (550), 530 states have return successors, (689), 508 states have call predecessors, (689), 550 states have call successors, (689) [2023-12-16 17:42:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3710 states and 4400 transitions. [2023-12-16 17:42:48,353 INFO L78 Accepts]: Start accepts. Automaton has 3710 states and 4400 transitions. Word has length 171 [2023-12-16 17:42:48,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:48,354 INFO L495 AbstractCegarLoop]: Abstraction has 3710 states and 4400 transitions. [2023-12-16 17:42:48,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-16 17:42:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 4400 transitions. [2023-12-16 17:42:48,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-16 17:42:48,359 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:48,359 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-16 17:42:48,375 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 (16)] Ended with exit code 0 [2023-12-16 17:42:48,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:48,563 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:48,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:48,563 INFO L85 PathProgramCache]: Analyzing trace with hash -538023953, now seen corresponding path program 2 times [2023-12-16 17:42:48,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:48,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867752877] [2023-12-16 17:42:48,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 17:42:48,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:48,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:48,588 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:48,618 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 (17)] Waiting until timeout for monitored process [2023-12-16 17:42:48,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-16 17:42:48,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 17:42:48,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-16 17:42:48,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 61 proven. 77 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-16 17:42:48,905 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 30 proven. 95 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-16 17:42:49,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:49,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867752877] [2023-12-16 17:42:49,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867752877] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:49,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:49,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2023-12-16 17:42:49,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195876277] [2023-12-16 17:42:49,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:49,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-16 17:42:49,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:49,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-16 17:42:49,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-12-16 17:42:49,830 INFO L87 Difference]: Start difference. First operand 3710 states and 4400 transitions. Second operand has 17 states, 17 states have (on average 10.470588235294118) internal successors, (178), 17 states have internal predecessors, (178), 15 states have call successors, (37), 8 states have call predecessors, (37), 12 states have return successors, (37), 15 states have call predecessors, (37), 15 states have call successors, (37) [2023-12-16 17:42:50,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:50,527 INFO L93 Difference]: Finished difference Result 6118 states and 7467 transitions. [2023-12-16 17:42:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 17:42:50,527 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.470588235294118) internal successors, (178), 17 states have internal predecessors, (178), 15 states have call successors, (37), 8 states have call predecessors, (37), 12 states have return successors, (37), 15 states have call predecessors, (37), 15 states have call successors, (37) Word has length 171 [2023-12-16 17:42:50,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:50,537 INFO L225 Difference]: With dead ends: 6118 [2023-12-16 17:42:50,537 INFO L226 Difference]: Without dead ends: 3204 [2023-12-16 17:42:50,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-12-16 17:42:50,544 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 628 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:50,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 658 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 17:42:50,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2023-12-16 17:42:50,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 2870. [2023-12-16 17:42:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2043 states have (on average 1.1713166911404798) internal successors, (2393), 2169 states have internal predecessors, (2393), 435 states have call successors, (435), 397 states have call predecessors, (435), 391 states have return successors, (464), 388 states have call predecessors, (464), 435 states have call successors, (464) [2023-12-16 17:42:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 3292 transitions. [2023-12-16 17:42:50,722 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 3292 transitions. Word has length 171 [2023-12-16 17:42:50,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:50,722 INFO L495 AbstractCegarLoop]: Abstraction has 2870 states and 3292 transitions. [2023-12-16 17:42:50,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.470588235294118) internal successors, (178), 17 states have internal predecessors, (178), 15 states have call successors, (37), 8 states have call predecessors, (37), 12 states have return successors, (37), 15 states have call predecessors, (37), 15 states have call successors, (37) [2023-12-16 17:42:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3292 transitions. [2023-12-16 17:42:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-16 17:42:50,728 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:50,728 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:50,753 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 (17)] Ended with exit code 0 [2023-12-16 17:42:50,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:50,931 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:50,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:50,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1820056830, now seen corresponding path program 1 times [2023-12-16 17:42:50,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:50,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874964071] [2023-12-16 17:42:50,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:50,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:50,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:50,933 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:50,936 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 (18)] Waiting until timeout for monitored process [2023-12-16 17:42:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:51,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-16 17:42:51,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 132 proven. 60 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-12-16 17:42:51,250 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 78 proven. 103 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-12-16 17:42:51,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:51,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874964071] [2023-12-16 17:42:51,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874964071] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:51,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:51,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2023-12-16 17:42:51,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294284229] [2023-12-16 17:42:51,817 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:51,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-16 17:42:51,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:51,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-16 17:42:51,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2023-12-16 17:42:51,818 INFO L87 Difference]: Start difference. First operand 2870 states and 3292 transitions. Second operand has 22 states, 22 states have (on average 8.363636363636363) internal successors, (184), 21 states have internal predecessors, (184), 14 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (40), 14 states have call predecessors, (40), 14 states have call successors, (40) [2023-12-16 17:42:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:52,658 INFO L93 Difference]: Finished difference Result 4568 states and 5275 transitions. [2023-12-16 17:42:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 17:42:52,659 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 8.363636363636363) internal successors, (184), 21 states have internal predecessors, (184), 14 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (40), 14 states have call predecessors, (40), 14 states have call successors, (40) Word has length 201 [2023-12-16 17:42:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:52,660 INFO L225 Difference]: With dead ends: 4568 [2023-12-16 17:42:52,660 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:42:52,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=237, Invalid=755, Unknown=0, NotChecked=0, Total=992 [2023-12-16 17:42:52,666 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 612 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:52,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 706 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 17:42:52,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:42:52,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:42:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:42:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:42:52,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2023-12-16 17:42:52,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:52,668 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:42:52,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.363636363636363) internal successors, (184), 21 states have internal predecessors, (184), 14 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (40), 14 states have call predecessors, (40), 14 states have call successors, (40) [2023-12-16 17:42:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:42:52,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:42:52,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:42:52,698 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 (18)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:52,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:52,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:43:07,585 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2023-12-16 17:43:07,585 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 624 631) the Hoare annotation is: (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (= |old(~pumpRunning~0)| (_ bv1 32)))) (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not .cse10)) (.cse9 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (and .cse6 .cse10 (not .cse0))) (.cse5 (= ~waterLevel~0 (_ bv3 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse3) (or .cse6 .cse0 .cse7 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse8 .cse3) (or .cse0 .cse2 .cse3 .cse9 .cse4) (or .cse0 .cse8 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse3 .cse9 .cse4 .cse5)))) [2023-12-16 17:43:07,586 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 540 546) no Hoare annotation was computed. [2023-12-16 17:43:07,586 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 540 546) the Hoare annotation is: true [2023-12-16 17:43:07,586 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 758 769) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse9 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse8 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse3 .cse8) (or .cse0 .cse1 .cse3 .cse9) (or .cse0 .cse1 .cse7 .cse3) (or .cse6 .cse1 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse2 .cse3 .cse8) (or .cse0 .cse9 .cse4 .cse5) (or .cse6 .cse1 .cse3 .cse9 .cse8) (or .cse0 .cse7 .cse4 .cse5))) [2023-12-16 17:43:07,586 INFO L899 garLoopResultBuilder]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2023-12-16 17:43:07,586 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 758 769) no Hoare annotation was computed. [2023-12-16 17:43:07,586 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2023-12-16 17:43:07,586 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2023-12-16 17:43:07,586 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2023-12-16 17:43:07,586 INFO L899 garLoopResultBuilder]: For program point L852(lines 827 856) no Hoare annotation was computed. [2023-12-16 17:43:07,586 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2023-12-16 17:43:07,586 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 856) the Hoare annotation is: true [2023-12-16 17:43:07,586 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2023-12-16 17:43:07,586 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2023-12-16 17:43:07,586 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2023-12-16 17:43:07,587 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse16 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse4 (= (_ bv1 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|)) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse18 (= (_ bv0 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse19 (= ~waterLevel~0 (_ bv0 32)))) (let ((.cse12 (and .cse2 .cse18 .cse3 .cse19)) (.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse10 (and .cse18 .cse3 .cse19 .cse11)) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse15 (and .cse4 .cse5 .cse11)) (.cse0 (not .cse16)) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse13 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse14 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse17 (and .cse18 .cse19 .cse11)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse1 .cse8 .cse9 .cse10 .cse7) (or .cse0 .cse1 (and .cse3 .cse4 .cse5 .cse11) .cse9 .cse7) (or .cse12 .cse1 .cse13 .cse6 .cse7 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse12 .cse1 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse8 .cse6 .cse7) (or .cse1 .cse13 .cse9 .cse10 .cse7) (or .cse14 .cse8 .cse6 .cse15) (or .cse13 .cse14 .cse16 .cse17 .cse9) (or .cse0 .cse14 .cse6) (or .cse14 .cse8 .cse9 .cse15) (or .cse0 .cse14 .cse9) (or .cse13 .cse14 .cse16 .cse17 .cse6)))) [2023-12-16 17:43:07,587 INFO L899 garLoopResultBuilder]: For program point L956-1(line 956) no Hoare annotation was computed. [2023-12-16 17:43:07,587 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse13 (not .cse6)) (.cse14 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (and (= ~waterLevel~0 (_ bv1 32)) .cse13 .cse14)) (.cse11 (and (= ~waterLevel~0 (_ bv2 32)) .cse13 .cse14)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse12 (and (= ~waterLevel~0 (_ bv0 32)) .cse13 .cse14)) (.cse10 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (not .cse2)) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse3 .cse7 .cse8) (or .cse6 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse3 .cse4 .cse8) (or .cse9 .cse6 .cse4 .cse8) (or .cse6 .cse10 .cse4 .cse8 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse3 .cse7 .cse5) (or .cse9 .cse0 .cse11 .cse1 .cse7) (or .cse0 .cse12 .cse10 .cse1 .cse2 .cse4) (or .cse6 .cse10 .cse7 .cse8) (or .cse9 .cse11 .cse1 .cse4) (or .cse0 .cse12 .cse10 .cse1 .cse2 .cse7) (or .cse9 .cse6 .cse7 .cse8))))) [2023-12-16 17:43:07,587 INFO L899 garLoopResultBuilder]: For program point L593-1(lines 574 598) no Hoare annotation was computed. [2023-12-16 17:43:07,587 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2023-12-16 17:43:07,587 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-12-16 17:43:07,587 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 742) no Hoare annotation was computed. [2023-12-16 17:43:07,587 INFO L899 garLoopResultBuilder]: For program point L738-2(lines 734 745) no Hoare annotation was computed. [2023-12-16 17:43:07,588 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| (_ bv1 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse25 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= ~waterLevel~0 (_ bv0 32))) (.cse21 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse22 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse19 (and .cse17 .cse21 .cse22)) (.cse9 (and .cse25 .cse22)) (.cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse16 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse3 (not .cse14)) (.cse20 (and .cse11 .cse25)) (.cse7 (not .cse21)) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not .cse10)) (.cse18 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse24 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse23 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse15 (not .cse0)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse5) (or .cse0 .cse10 .cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15) .cse3 .cse4) (or .cse0 .cse16 (and .cse11 .cse2 .cse17) .cse8 .cse4 .cse5) (or .cse18 .cse16 .cse19 .cse7 .cse10 .cse8) (or .cse16 .cse19 .cse7 .cse3) (or .cse6 .cse0 .cse8 .cse4 .cse20) (or .cse18 .cse7 .cse10 .cse1 .cse3 (and .cse13 .cse21 .cse22)) (or .cse6 .cse7 .cse3 .cse9) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse16 .cse7 .cse2 .cse3 .cse5) (or .cse0 .cse16 .cse10 .cse3 (and .cse11 .cse12 .cse17 .cse14 .cse15) .cse4) (or .cse6 .cse0 .cse3 .cse4 .cse20) (or (and .cse13 .cse22) .cse7 .cse1 .cse8) (or .cse18 (and .cse11 .cse13 .cse23 .cse15) .cse0 .cse24 .cse1 .cse8 .cse4) (or .cse6 .cse18 .cse0 .cse24 (and .cse23 .cse15) .cse8 .cse4)))) [2023-12-16 17:43:07,588 INFO L899 garLoopResultBuilder]: For program point L941-1(line 941) no Hoare annotation was computed. [2023-12-16 17:43:07,588 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 526) no Hoare annotation was computed. [2023-12-16 17:43:07,588 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 516 538) no Hoare annotation was computed. [2023-12-16 17:43:07,588 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2023-12-16 17:43:07,588 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2023-12-16 17:43:07,588 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 968) no Hoare annotation was computed. [2023-12-16 17:43:07,588 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 971) no Hoare annotation was computed. [2023-12-16 17:43:07,588 INFO L899 garLoopResultBuilder]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2023-12-16 17:43:07,589 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 513 539) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| (_ bv1 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse25 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= ~waterLevel~0 (_ bv0 32))) (.cse21 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse22 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse19 (and .cse17 .cse21 .cse22)) (.cse9 (and .cse25 .cse22)) (.cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse16 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse3 (not .cse14)) (.cse20 (and .cse11 .cse25)) (.cse7 (not .cse21)) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not .cse10)) (.cse18 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse24 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse23 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse15 (not .cse0)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse5) (or .cse0 .cse10 .cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15) .cse3 .cse4) (or .cse0 .cse16 (and .cse11 .cse2 .cse17) .cse8 .cse4 .cse5) (or .cse18 .cse16 .cse19 .cse7 .cse10 .cse8) (or .cse16 .cse19 .cse7 .cse3) (or .cse6 .cse0 .cse8 .cse4 .cse20) (or .cse18 .cse7 .cse10 .cse1 .cse3 (and .cse13 .cse21 .cse22)) (or .cse6 .cse7 .cse3 .cse9) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse16 .cse7 .cse2 .cse3 .cse5) (or .cse0 .cse16 .cse10 .cse3 (and .cse11 .cse12 .cse17 .cse14 .cse15) .cse4) (or .cse6 .cse0 .cse3 .cse4 .cse20) (or (and .cse13 .cse22) .cse7 .cse1 .cse8) (or .cse18 (and .cse11 .cse13 .cse23 .cse15) .cse0 .cse24 .cse1 .cse8 .cse4) (or .cse6 .cse18 .cse0 .cse24 (and .cse23 .cse15) .cse8 .cse4)))) [2023-12-16 17:43:07,589 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 965) no Hoare annotation was computed. [2023-12-16 17:43:07,589 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse9 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse13 (= |timeShift_processEnvironment_~tmp~5#1| (_ bv0 32)))) (let ((.cse4 (and .cse11 .cse12 (= ~waterLevel~0 (_ bv0 32)) .cse13)) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse8 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse7 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse10 (not .cse9)) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse1 .cse5 .cse3) (or .cse6 .cse1 .cse5) (or .cse4 .cse0 .cse7 .cse5 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse7 .cse2 .cse3) (or .cse8 .cse7 .cse6 .cse9 .cse5) (or .cse6 .cse1 .cse2) (or .cse10 .cse6 .cse5) (or .cse8 .cse7 .cse6 .cse9 .cse2) (or .cse10 .cse6 .cse2) (or .cse10 .cse0 .cse2 .cse3) (or .cse10 (and .cse11 .cse12 (= ~waterLevel~0 (_ bv1 32)) .cse13) .cse0 .cse5 .cse3)))) [2023-12-16 17:43:07,589 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2023-12-16 17:43:07,589 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2023-12-16 17:43:07,589 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= |timeShift_processEnvironment_~tmp~5#1| (_ bv1 32))) (.cse12 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= (_ bv2 32) |old(~waterLevel~0)|))) (let ((.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse13 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse7 (not .cse2)) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse8 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse1 (and .cse10 .cse11 .cse12 (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse3 .cse6 .cse5) (or .cse7 .cse0 .cse6 .cse5) (or .cse0 .cse8 .cse6 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse9 .cse3 .cse6) (or .cse7 .cse0 .cse4 .cse5 (and .cse10 .cse11 .cse12 (= ~waterLevel~0 (_ bv1 32)))) (or .cse13 .cse8 .cse9 .cse2 .cse6) (or .cse9 .cse3 .cse4) (or .cse7 .cse9 .cse6) (or .cse13 .cse8 .cse9 .cse2 .cse4) (or .cse7 .cse9 .cse4) (or .cse0 .cse8 .cse1 .cse2 .cse4 .cse5)))) [2023-12-16 17:43:07,590 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (let ((.cse11 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse12 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (let ((.cse7 (and .cse12 .cse13 (= ~waterLevel~0 (_ bv1 32)))) (.cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (and .cse12 .cse13 (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse10 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse1 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse5 (not .cse11)) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse5 .cse0 .cse6 .cse7 .cse4) (or .cse0 .cse2 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse8 .cse3 .cse4) (or .cse9 .cse8 .cse3) (or .cse10 .cse1 .cse9 .cse11 .cse3) (or .cse5 .cse0 .cse3 .cse7 .cse4) (or .cse9 .cse8 .cse6) (or .cse0 .cse2 .cse11 .cse8 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse11 .cse6 .cse4) (or .cse5 .cse9 .cse3) (or .cse10 .cse1 .cse9 .cse11 .cse6) (or .cse5 .cse9 .cse6)))) [2023-12-16 17:43:07,590 INFO L899 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2023-12-16 17:43:07,590 INFO L899 garLoopResultBuilder]: For program point L494(lines 431 498) no Hoare annotation was computed. [2023-12-16 17:43:07,590 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2023-12-16 17:43:07,590 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2023-12-16 17:43:07,590 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse5 .cse3 .cse4) (and .cse0 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse7 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4))) [2023-12-16 17:43:07,590 INFO L895 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse5 .cse3 .cse4) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse8 .cse3 .cse4))) [2023-12-16 17:43:07,590 INFO L895 garLoopResultBuilder]: At program point L491(lines 440 492) the Hoare annotation is: false [2023-12-16 17:43:07,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:43:07,590 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2023-12-16 17:43:07,590 INFO L895 garLoopResultBuilder]: At program point L479-2(lines 471 486) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse8 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse5 (not (= ~switchedOnBeforeTS~0 (_ bv0 32))) .cse3 .cse4) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse8 .cse3 .cse4))) [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L442(lines 441 490) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 486) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 920) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L895 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse1 .cse6 .cse4 .cse7) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse8 .cse3 .cse4))) [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L913-2(lines 913 920) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L895 garLoopResultBuilder]: At program point L488(lines 441 490) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse5 .cse3 .cse4) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse8 .cse3 .cse4))) [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 746 757) no Hoare annotation was computed. [2023-12-16 17:43:07,591 INFO L899 garLoopResultBuilder]: For program point L750-1(lines 746 757) no Hoare annotation was computed. [2023-12-16 17:43:07,592 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 746 757) the Hoare annotation is: (let ((.cse7 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse10 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse11 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse9 .cse4) (or .cse10 .cse11 .cse6 .cse4) (or .cse0 .cse7 .cse3 .cse9 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse4) (or .cse10 .cse11 .cse6 .cse8) (or .cse6 .cse1 .cse8 .cse2) (or .cse10 .cse11 .cse0 .cse4 .cse5))) [2023-12-16 17:43:07,592 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse7 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse7 .cse8 .cse3 .cse9) (or .cse0 .cse7 .cse3 .cse9 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse8 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse8))) [2023-12-16 17:43:07,592 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2023-12-16 17:43:07,592 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 548 572) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse7 .cse5 .cse8 .cse3) (or .cse0 .cse1 .cse9 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse9 .cse4) (or .cse6 .cse0 .cse7 .cse9 .cse5 .cse8) (or .cse0 .cse10 .cse1 .cse5 .cse4) (or .cse0 .cse10 .cse1 .cse2 .cse4))) [2023-12-16 17:43:07,592 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 569) no Hoare annotation was computed. [2023-12-16 17:43:07,592 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2023-12-16 17:43:07,592 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse6 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse0 .cse6 .cse3 .cse7 .cse5) (or .cse0 .cse8 .cse1 .cse3 .cse9) (or .cse0 .cse8 .cse1 .cse4 .cse9))) [2023-12-16 17:43:07,592 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 607 623) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 811 824) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L895 garLoopResultBuilder]: At program point L567(line 567) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse9 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse6 .cse3 .cse7 .cse8) (or .cse0 .cse9 .cse1 .cse4) (or .cse0 .cse1 .cse3 .cse8) (or .cse0 .cse1 .cse4 .cse8) (or .cse5 .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse0 .cse9 .cse1 .cse3))) [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point L567-1(lines 548 572) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 548 572) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 643 651) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 643 651) the Hoare annotation is: true [2023-12-16 17:43:07,593 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 632 642) no Hoare annotation was computed. [2023-12-16 17:43:07,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 632 642) the Hoare annotation is: true [2023-12-16 17:43:07,595 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:43:07,596 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:43:07,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:43:07 BoogieIcfgContainer [2023-12-16 17:43:07,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:43:07,610 INFO L158 Benchmark]: Toolchain (without parser) took 31229.05ms. Allocated memory was 191.9MB in the beginning and 886.0MB in the end (delta: 694.2MB). Free memory was 147.0MB in the beginning and 604.6MB in the end (delta: -457.6MB). Peak memory consumption was 519.9MB. Max. memory is 8.0GB. [2023-12-16 17:43:07,610 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 191.9MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:43:07,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.05ms. Allocated memory is still 191.9MB. Free memory was 147.0MB in the beginning and 120.5MB in the end (delta: 26.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:43:07,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.47ms. Allocated memory is still 191.9MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:43:07,610 INFO L158 Benchmark]: Boogie Preprocessor took 46.44ms. Allocated memory is still 191.9MB. Free memory was 118.4MB in the beginning and 115.9MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 17:43:07,611 INFO L158 Benchmark]: RCFGBuilder took 567.85ms. Allocated memory is still 191.9MB. Free memory was 115.5MB in the beginning and 154.7MB in the end (delta: -39.1MB). Peak memory consumption was 26.7MB. Max. memory is 8.0GB. [2023-12-16 17:43:07,611 INFO L158 Benchmark]: TraceAbstraction took 30169.45ms. Allocated memory was 191.9MB in the beginning and 886.0MB in the end (delta: 694.2MB). Free memory was 154.1MB in the beginning and 604.6MB in the end (delta: -450.5MB). Peak memory consumption was 525.8MB. Max. memory is 8.0GB. [2023-12-16 17:43:07,612 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 191.9MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 397.05ms. Allocated memory is still 191.9MB. Free memory was 147.0MB in the beginning and 120.5MB in the end (delta: 26.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.47ms. Allocated memory is still 191.9MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.44ms. Allocated memory is still 191.9MB. Free memory was 118.4MB in the beginning and 115.9MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 567.85ms. Allocated memory is still 191.9MB. Free memory was 115.5MB in the beginning and 154.7MB in the end (delta: -39.1MB). Peak memory consumption was 26.7MB. Max. memory is 8.0GB. * TraceAbstraction took 30169.45ms. Allocated memory was 191.9MB in the beginning and 886.0MB in the end (delta: 694.2MB). Free memory was 154.1MB in the beginning and 604.6MB in the end (delta: -450.5MB). Peak memory consumption was 525.8MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [730] - GenericResultAtLocation [Line: 825]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] - GenericResultAtLocation [Line: 926]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [926] - GenericResultAtLocation [Line: 975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [975] * 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: 420]: 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, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.1s, OverallIterations: 17, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3270 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3202 mSDsluCounter, 6462 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4700 mSDsCounter, 1231 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5366 IncrementalHoareTripleChecker+Invalid, 6597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1231 mSolverCounterUnsat, 1762 mSDtfsCounter, 5366 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2464 GetRequests, 2299 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4544occurred in iteration=13, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 1103 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 8326 PreInvPairs, 8821 NumberOfFragments, 4020 HoareAnnotationTreeSize, 8326 FormulaSimplifications, 31308 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 27 FormulaSimplificationsInter, 63371 FormulaSimplificationTreeSizeReductionInter, 13.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1624 NumberOfCodeBlocks, 1624 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2372 ConstructedInterpolants, 0 QuantifiedInterpolants, 5918 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3366 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 1981/2423 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: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((((((((((1 == pumpRunning) && (waterLevel == 2)) && (methaneLevelCritical == 0)) && !((systemActive == 0))) && (splverifierCounter == 0)) || ((((waterLevel == 1) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((waterLevel == 2) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((waterLevel == 0) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((methaneLevelCritical == 0) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((((1 == pumpRunning) && (methaneLevelCritical == 0)) && (switchedOnBeforeTS == 1)) && (waterLevel == 1)) && !((systemActive == 0))) && (splverifierCounter == 0))) || ((((waterLevel == 2) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((methaneLevelCritical == 0) && (waterLevel == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((((1 == pumpRunning) && (methaneLevelCritical == 0)) && (switchedOnBeforeTS == 1)) && (waterLevel == 0)) && !((systemActive == 0))) && (splverifierCounter == 0))) RESULT: Ultimate proved your program to be correct! [2023-12-16 17:43:07,629 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...