/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:35:33,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:35:33,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:35:33,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:35:33,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:35:33,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:35:33,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:35:33,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:35:33,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:35:33,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:35:33,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:35:33,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:35:33,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:35:33,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:35:33,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:35:33,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:35:33,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:35:33,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:35:33,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:35:33,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:35:33,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:35:33,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:35:33,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:35:33,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:35:33,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 06:35:33,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:35:33,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:35:33,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:35:33,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:35:33,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:35:33,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:35:33,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:35:33,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:35:33,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:35:33,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:35:33,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:35:33,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:35:33,819 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:35:33,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:35:33,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:35:33,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:35:33,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:35:33,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:35:33,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:35:33,823 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:35:33,823 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:35:33,824 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:35:33,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:35:33,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:35:33,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:35:33,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:35:33,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:35:33,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:33,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:35:33,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:35:33,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:35:33,826 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:35:33,826 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:35:33,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:35:33,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:35:33,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:35:33,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:35:33,827 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:35:34,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:35:34,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:35:34,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:35:34,085 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:35:34,085 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:35:34,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2022-01-10 06:35:34,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ea7e601/58604f1951d34db288cdfce1bc697def/FLAGb40135644 [2022-01-10 06:35:34,622 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:35:34,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2022-01-10 06:35:34,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ea7e601/58604f1951d34db288cdfce1bc697def/FLAGb40135644 [2022-01-10 06:35:34,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ea7e601/58604f1951d34db288cdfce1bc697def [2022-01-10 06:35:34,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:35:34,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:35:34,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:34,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:35:34,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:35:34,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:34" (1/1) ... [2022-01-10 06:35:34,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fd2dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:34, skipping insertion in model container [2022-01-10 06:35:34,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:34" (1/1) ... [2022-01-10 06:35:34,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:35:34,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:34,880 WARN L230 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_product42.cil.c[3693,3706] [2022-01-10 06:35:34,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:34,982 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:35:34,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:35,006 WARN L230 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_product42.cil.c[3693,3706] [2022-01-10 06:35:35,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:35,086 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:35:35,101 WARN L230 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_product42.cil.c[3693,3706] [2022-01-10 06:35:35,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:35,148 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:35:35,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35 WrapperNode [2022-01-10 06:35:35,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:35,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:35,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:35:35,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:35:35,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,211 INFO L137 Inliner]: procedures = 58, calls = 155, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 242 [2022-01-10 06:35:35,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:35,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:35:35,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:35:35,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:35:35,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:35:35,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:35:35,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:35:35,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:35:35,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:35,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:35:35,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:35:35,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:35:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:35:35,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:35:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:35:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:35:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:35:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:35:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:35:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:35:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:35:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:35:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:35:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:35:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:35:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:35:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:35:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:35:35,379 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:35:35,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:35:35,713 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:35:35,719 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:35:35,719 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:35:35,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:35 BoogieIcfgContainer [2022-01-10 06:35:35,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:35:35,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:35:35,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:35:35,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:35:35,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:35:34" (1/3) ... [2022-01-10 06:35:35,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e4e40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:35, skipping insertion in model container [2022-01-10 06:35:35,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (2/3) ... [2022-01-10 06:35:35,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e4e40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:35, skipping insertion in model container [2022-01-10 06:35:35,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:35" (3/3) ... [2022-01-10 06:35:35,739 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2022-01-10 06:35:35,742 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:35:35,743 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:35:35,796 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:35:35,803 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:35:35,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:35:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:35:35,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:35:35,842 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:35,843 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:35,844 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:35,848 INFO L85 PathProgramCache]: Analyzing trace with hash -690410843, now seen corresponding path program 1 times [2022-01-10 06:35:35,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:35,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226189822] [2022-01-10 06:35:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:35,864 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:35,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:35,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:35,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:35:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:35,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:35:36,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:36,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:36,103 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:36,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226189822] [2022-01-10 06:35:36,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226189822] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:36,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:36,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:36,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172740476] [2022-01-10 06:35:36,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:36,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:35:36,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:36,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:35:36,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:36,141 INFO L87 Difference]: Start difference. First operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-01-10 06:35:36,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:36,187 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2022-01-10 06:35:36,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:35:36,190 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 32 [2022-01-10 06:35:36,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:36,199 INFO L225 Difference]: With dead ends: 161 [2022-01-10 06:35:36,199 INFO L226 Difference]: Without dead ends: 76 [2022-01-10 06:35:36,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:36,207 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:36,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:36,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-01-10 06:35:36,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-01-10 06:35:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3) internal successors, (78), 65 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:35:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-01-10 06:35:36,258 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 32 [2022-01-10 06:35:36,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:36,259 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-01-10 06:35:36,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-01-10 06:35:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-01-10 06:35:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:35:36,263 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:36,264 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:36,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:36,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:36,474 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:36,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:36,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1965939987, now seen corresponding path program 1 times [2022-01-10 06:35:36,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:36,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788722704] [2022-01-10 06:35:36,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:36,476 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:36,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:36,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:36,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:35:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:36,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:36,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:36,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:36,631 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:36,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788722704] [2022-01-10 06:35:36,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788722704] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:36,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:36,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:36,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933877275] [2022-01-10 06:35:36,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:36,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:36,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:36,640 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-01-10 06:35:36,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:36,659 INFO L93 Difference]: Finished difference Result 116 states and 148 transitions. [2022-01-10 06:35:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:36,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 33 [2022-01-10 06:35:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:36,661 INFO L225 Difference]: With dead ends: 116 [2022-01-10 06:35:36,661 INFO L226 Difference]: Without dead ends: 67 [2022-01-10 06:35:36,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:36,663 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:36,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:36,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-01-10 06:35:36,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-01-10 06:35:36,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 59 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-01-10 06:35:36,670 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 33 [2022-01-10 06:35:36,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:36,670 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-01-10 06:35:36,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-01-10 06:35:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-01-10 06:35:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:35:36,671 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:36,672 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:36,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:36,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:36,881 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:36,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1695410136, now seen corresponding path program 1 times [2022-01-10 06:35:36,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:36,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297843753] [2022-01-10 06:35:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:36,883 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:36,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:36,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:35:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:36,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:36,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:37,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:37,039 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:37,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297843753] [2022-01-10 06:35:37,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297843753] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:37,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:37,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:37,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730008465] [2022-01-10 06:35:37,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:37,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:37,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:37,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:37,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:37,045 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-10 06:35:37,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:37,083 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2022-01-10 06:35:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:37,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 38 [2022-01-10 06:35:37,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:37,086 INFO L225 Difference]: With dead ends: 126 [2022-01-10 06:35:37,086 INFO L226 Difference]: Without dead ends: 67 [2022-01-10 06:35:37,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:37,089 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:37,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 83 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-01-10 06:35:37,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-01-10 06:35:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 59 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-01-10 06:35:37,106 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 38 [2022-01-10 06:35:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:37,107 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-01-10 06:35:37,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-10 06:35:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-01-10 06:35:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-10 06:35:37,110 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:37,111 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:37,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:37,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:37,320 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:37,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:37,321 INFO L85 PathProgramCache]: Analyzing trace with hash 610140587, now seen corresponding path program 1 times [2022-01-10 06:35:37,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:37,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852012750] [2022-01-10 06:35:37,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:37,322 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:37,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:37,323 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:37,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:35:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:37,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:37,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:37,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:37,476 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:37,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852012750] [2022-01-10 06:35:37,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852012750] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:37,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:37,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:37,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053273999] [2022-01-10 06:35:37,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:37,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:37,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:37,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:37,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:37,478 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:37,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:37,496 INFO L93 Difference]: Finished difference Result 171 states and 219 transitions. [2022-01-10 06:35:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:37,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2022-01-10 06:35:37,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:37,497 INFO L225 Difference]: With dead ends: 171 [2022-01-10 06:35:37,497 INFO L226 Difference]: Without dead ends: 112 [2022-01-10 06:35:37,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:37,499 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 49 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:37,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 150 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:37,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-01-10 06:35:37,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2022-01-10 06:35:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 94 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-01-10 06:35:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 138 transitions. [2022-01-10 06:35:37,509 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 138 transitions. Word has length 43 [2022-01-10 06:35:37,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:37,509 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 138 transitions. [2022-01-10 06:35:37,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:37,510 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 138 transitions. [2022-01-10 06:35:37,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:35:37,510 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:37,510 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:37,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:37,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:37,720 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:37,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1028234707, now seen corresponding path program 1 times [2022-01-10 06:35:37,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:37,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600480495] [2022-01-10 06:35:37,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:37,721 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:37,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:37,722 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:37,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:35:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:37,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:37,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 06:35:37,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:37,955 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:37,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600480495] [2022-01-10 06:35:37,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600480495] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:37,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:37,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:37,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757501093] [2022-01-10 06:35:37,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:37,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:37,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:37,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:37,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:37,957 INFO L87 Difference]: Start difference. First operand 110 states and 138 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:35:38,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:38,037 INFO L93 Difference]: Finished difference Result 217 states and 276 transitions. [2022-01-10 06:35:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:35:38,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-01-10 06:35:38,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:38,040 INFO L225 Difference]: With dead ends: 217 [2022-01-10 06:35:38,040 INFO L226 Difference]: Without dead ends: 115 [2022-01-10 06:35:38,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:38,042 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 30 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:38,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 389 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:35:38,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-01-10 06:35:38,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2022-01-10 06:35:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.2674418604651163) internal successors, (109), 93 states have internal predecessors, (109), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-01-10 06:35:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2022-01-10 06:35:38,064 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 49 [2022-01-10 06:35:38,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:38,065 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2022-01-10 06:35:38,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:35:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2022-01-10 06:35:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:35:38,069 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:38,069 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:38,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-01-10 06:35:38,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:38,278 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:38,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:38,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2048289411, now seen corresponding path program 1 times [2022-01-10 06:35:38,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:38,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992356878] [2022-01-10 06:35:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:38,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:38,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:38,280 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:38,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:35:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:38,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:35:38,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:38,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:38,451 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:38,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992356878] [2022-01-10 06:35:38,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992356878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:38,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:38,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:38,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419522692] [2022-01-10 06:35:38,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:38,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:35:38,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:38,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:35:38,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:35:38,453 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2022-01-10 06:35:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:38,493 INFO L93 Difference]: Finished difference Result 234 states and 298 transitions. [2022-01-10 06:35:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:38,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 51 [2022-01-10 06:35:38,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:38,496 INFO L225 Difference]: With dead ends: 234 [2022-01-10 06:35:38,496 INFO L226 Difference]: Without dead ends: 133 [2022-01-10 06:35:38,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:35:38,501 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 40 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:38,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 333 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:38,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-01-10 06:35:38,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2022-01-10 06:35:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 96 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-01-10 06:35:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2022-01-10 06:35:38,518 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 51 [2022-01-10 06:35:38,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:38,519 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2022-01-10 06:35:38,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2022-01-10 06:35:38,519 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2022-01-10 06:35:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:35:38,520 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:38,520 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:38,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:38,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:38,730 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:38,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:38,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1625587585, now seen corresponding path program 1 times [2022-01-10 06:35:38,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:38,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530580846] [2022-01-10 06:35:38,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:38,731 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:38,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:38,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:38,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:35:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:38,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:38,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:38,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:38,911 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:38,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530580846] [2022-01-10 06:35:38,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530580846] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:38,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:38,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:35:38,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930352219] [2022-01-10 06:35:38,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:38,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:35:38,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:38,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:35:38,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:35:38,913 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-01-10 06:35:38,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:38,938 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2022-01-10 06:35:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:35:38,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 51 [2022-01-10 06:35:38,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:38,947 INFO L225 Difference]: With dead ends: 232 [2022-01-10 06:35:38,947 INFO L226 Difference]: Without dead ends: 128 [2022-01-10 06:35:38,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:35:38,948 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 27 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:38,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 259 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-01-10 06:35:38,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2022-01-10 06:35:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.2527472527472527) internal successors, (114), 98 states have internal predecessors, (114), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-01-10 06:35:38,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2022-01-10 06:35:38,962 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 51 [2022-01-10 06:35:38,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:38,962 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2022-01-10 06:35:38,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-01-10 06:35:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2022-01-10 06:35:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:35:38,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:38,963 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:38,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:39,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:39,180 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash 863941377, now seen corresponding path program 1 times [2022-01-10 06:35:39,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:39,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929270786] [2022-01-10 06:35:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:39,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:39,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:39,182 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:39,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:35:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:39,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:39,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:39,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:39,352 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:39,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929270786] [2022-01-10 06:35:39,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929270786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:39,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:39,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:39,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846936224] [2022-01-10 06:35:39,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:39,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:39,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:39,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:39,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:39,354 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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) [2022-01-10 06:35:39,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:39,373 INFO L93 Difference]: Finished difference Result 266 states and 331 transitions. [2022-01-10 06:35:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:39,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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 51 [2022-01-10 06:35:39,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:39,375 INFO L225 Difference]: With dead ends: 266 [2022-01-10 06:35:39,375 INFO L226 Difference]: Without dead ends: 160 [2022-01-10 06:35:39,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:39,376 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 32 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:39,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 159 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:39,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-01-10 06:35:39,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-01-10 06:35:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 127 states have (on average 1.2283464566929134) internal successors, (156), 135 states have internal predecessors, (156), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2022-01-10 06:35:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 194 transitions. [2022-01-10 06:35:39,391 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 194 transitions. Word has length 51 [2022-01-10 06:35:39,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:39,391 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 194 transitions. [2022-01-10 06:35:39,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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) [2022-01-10 06:35:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2022-01-10 06:35:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:35:39,392 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:39,392 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:39,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:39,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:39,602 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:39,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:39,603 INFO L85 PathProgramCache]: Analyzing trace with hash 159207591, now seen corresponding path program 1 times [2022-01-10 06:35:39,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:39,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177285741] [2022-01-10 06:35:39,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:39,604 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:39,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:39,605 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:39,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:35:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:39,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:35:39,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:39,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:39,864 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:39,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177285741] [2022-01-10 06:35:39,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177285741] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:39,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:39,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:35:39,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388285555] [2022-01-10 06:35:39,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:39,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:35:39,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:39,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:35:39,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:39,866 INFO L87 Difference]: Start difference. First operand 160 states and 194 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:35:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:40,241 INFO L93 Difference]: Finished difference Result 540 states and 679 transitions. [2022-01-10 06:35:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:35:40,241 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 55 [2022-01-10 06:35:40,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:40,244 INFO L225 Difference]: With dead ends: 540 [2022-01-10 06:35:40,244 INFO L226 Difference]: Without dead ends: 434 [2022-01-10 06:35:40,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-01-10 06:35:40,245 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 221 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:40,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 637 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 06:35:40,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-01-10 06:35:40,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 400. [2022-01-10 06:35:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 319 states have (on average 1.2163009404388714) internal successors, (388), 341 states have internal predecessors, (388), 44 states have call successors, (44), 33 states have call predecessors, (44), 36 states have return successors, (54), 42 states have call predecessors, (54), 44 states have call successors, (54) [2022-01-10 06:35:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 486 transitions. [2022-01-10 06:35:40,272 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 486 transitions. Word has length 55 [2022-01-10 06:35:40,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:40,272 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 486 transitions. [2022-01-10 06:35:40,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:35:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 486 transitions. [2022-01-10 06:35:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-10 06:35:40,274 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:40,274 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:40,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:40,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:40,482 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:40,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:40,483 INFO L85 PathProgramCache]: Analyzing trace with hash -2045084638, now seen corresponding path program 1 times [2022-01-10 06:35:40,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:40,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365672587] [2022-01-10 06:35:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:40,484 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:40,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:40,485 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:40,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:35:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:40,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:40,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:40,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:35:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 06:35:40,979 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:40,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365672587] [2022-01-10 06:35:40,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365672587] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:35:40,979 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:35:40,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-01-10 06:35:40,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091587586] [2022-01-10 06:35:40,979 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:35:40,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 06:35:40,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:40,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 06:35:40,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:35:40,980 INFO L87 Difference]: Start difference. First operand 400 states and 486 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2022-01-10 06:35:41,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:41,172 INFO L93 Difference]: Finished difference Result 636 states and 798 transitions. [2022-01-10 06:35:41,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:35:41,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) Word has length 87 [2022-01-10 06:35:41,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:41,173 INFO L225 Difference]: With dead ends: 636 [2022-01-10 06:35:41,173 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:41,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-01-10 06:35:41,175 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 105 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:41,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 868 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:35:41,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:41,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:41,176 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) [2022-01-10 06:35:41,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:41,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2022-01-10 06:35:41,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:41,177 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:41,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2022-01-10 06:35:41,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:41,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:41,179 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:41,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:41,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:41,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:44,209 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 815 821) no Hoare annotation was computed. [2022-01-10 06:35:44,210 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 815 821) the Hoare annotation is: true [2022-01-10 06:35:44,210 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 647 658) the Hoare annotation is: true [2022-01-10 06:35:44,210 INFO L858 garLoopResultBuilder]: For program point L651-1(lines 647 658) no Hoare annotation was computed. [2022-01-10 06:35:44,210 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 647 658) no Hoare annotation was computed. [2022-01-10 06:35:44,210 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2022-01-10 06:35:44,210 INFO L858 garLoopResultBuilder]: For program point L795(lines 795 801) no Hoare annotation was computed. [2022-01-10 06:35:44,210 INFO L858 garLoopResultBuilder]: For program point L795-2(lines 791 813) no Hoare annotation was computed. [2022-01-10 06:35:44,211 INFO L854 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not .cse6)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse1 .cse5 (and .cse6 .cse7 .cse8) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (let ((.cse9 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32)))) (or .cse0 .cse1 .cse5 (and .cse2 .cse9 .cse8) (and .cse9 .cse6 .cse7 .cse8)))))) [2022-01-10 06:35:44,211 INFO L854 garLoopResultBuilder]: At program point L853(lines 848 855) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3) (or .cse1 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:44,211 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-01-10 06:35:44,211 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 788 814) no Hoare annotation was computed. [2022-01-10 06:35:44,211 INFO L854 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse6)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (and (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse6)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 .cse4 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse4 .cse5)))) [2022-01-10 06:35:44,211 INFO L854 garLoopResultBuilder]: At program point L709(lines 700 713) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse0 .cse1 .cse5) (or .cse1 .cse2 (and (= (_ bv1 32) |timeShift_isHighWaterSensorDry_#res#1|) .cse3 .cse4) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:44,211 INFO L854 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= |timeShift_processEnvironment_~tmp~6#1| (_ bv0 32)) .cse5 (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse1 (not .cse5)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))))))) [2022-01-10 06:35:44,211 INFO L854 garLoopResultBuilder]: At program point L953(lines 938 956) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse0 .cse1 .cse5) (or .cse1 .cse2 (and (= (_ bv0 32) |timeShift_isHighWaterLevel_~tmp___0~2#1|) (= |timeShift_isHighWaterLevel_#res#1| (_ bv0 32)) .cse3 .cse4) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:44,212 INFO L854 garLoopResultBuilder]: At program point L664(lines 659 667) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3) (or .cse1 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:44,212 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 631) no Hoare annotation was computed. [2022-01-10 06:35:44,212 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse0 .cse1 .cse5))) [2022-01-10 06:35:44,212 INFO L854 garLoopResultBuilder]: At program point L627-2(lines 623 634) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse1 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse5))) [2022-01-10 06:35:44,212 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-01-10 06:35:44,212 INFO L854 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse1 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse5))) [2022-01-10 06:35:44,212 INFO L854 garLoopResultBuilder]: At program point L842-1(lines 823 847) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not .cse8)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (and .cse8 (= (_ bv0 32) ~pumpRunning~0) .cse7))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse1 .cse5 .cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse5 (and .cse2 .cse7) .cse6)))) [2022-01-10 06:35:44,212 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-01-10 06:35:44,213 INFO L854 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse5)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 (and .cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) .cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 (and .cse4 .cse5) .cse6)))) [2022-01-10 06:35:44,213 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-01-10 06:35:44,213 INFO L858 garLoopResultBuilder]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2022-01-10 06:35:44,213 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2022-01-10 06:35:44,213 INFO L858 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2022-01-10 06:35:44,213 INFO L854 garLoopResultBuilder]: At program point L864-2(lines 857 873) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) .cse3) (and (= (_ bv0 32) ~pumpRunning~0) .cse3))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:44,213 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2022-01-10 06:35:44,213 INFO L854 garLoopResultBuilder]: At program point L889(lines 882 892) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3) (or .cse1 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:44,213 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-01-10 06:35:44,214 INFO L854 garLoopResultBuilder]: At program point L212(lines 207 214) the Hoare annotation is: (let ((.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse0 .cse3) (or .cse2 .cse0 .cse1) (or .cse0 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:44,214 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2022-01-10 06:35:44,214 INFO L858 garLoopResultBuilder]: For program point L947-2(lines 947 951) no Hoare annotation was computed. [2022-01-10 06:35:44,214 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-01-10 06:35:44,214 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 788 814) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse5)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 (and .cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) .cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 (and .cse4 .cse5) .cse6)))) [2022-01-10 06:35:44,214 INFO L854 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not .cse6)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse1 .cse5 (and .cse6 .cse7 .cse8) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (let ((.cse9 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse10 (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|))) (or .cse0 .cse1 .cse5 (and .cse9 .cse6 .cse10 .cse7 .cse8) (and .cse2 .cse9 .cse10 .cse8)))))) [2022-01-10 06:35:44,214 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 788 814) no Hoare annotation was computed. [2022-01-10 06:35:44,214 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2022-01-10 06:35:44,214 INFO L861 garLoopResultBuilder]: At program point L129(lines 104 133) the Hoare annotation is: true [2022-01-10 06:35:44,214 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2022-01-10 06:35:44,215 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-01-10 06:35:44,215 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 104 133) the Hoare annotation is: true [2022-01-10 06:35:44,215 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2022-01-10 06:35:44,215 INFO L861 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2022-01-10 06:35:44,215 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-01-10 06:35:44,215 INFO L861 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2022-01-10 06:35:44,215 INFO L861 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2022-01-10 06:35:44,215 INFO L858 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2022-01-10 06:35:44,215 INFO L854 garLoopResultBuilder]: At program point L246(lines 241 249) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:44,215 INFO L854 garLoopResultBuilder]: At program point L238(lines 234 240) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:44,215 INFO L858 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2022-01-10 06:35:44,215 INFO L858 garLoopResultBuilder]: For program point L746-1(lines 746 752) no Hoare annotation was computed. [2022-01-10 06:35:44,216 INFO L854 garLoopResultBuilder]: At program point L771(lines 726 773) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:44,216 INFO L854 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:44,216 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2022-01-10 06:35:44,216 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:44,216 INFO L858 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2022-01-10 06:35:44,216 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:44,216 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:44,216 INFO L861 garLoopResultBuilder]: At program point L177(lines 169 179) the Hoare annotation is: true [2022-01-10 06:35:44,216 INFO L861 garLoopResultBuilder]: At program point L202(lines 183 205) the Hoare annotation is: true [2022-01-10 06:35:44,216 INFO L854 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:44,216 INFO L854 garLoopResultBuilder]: At program point L165(lines 161 167) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:44,216 INFO L854 garLoopResultBuilder]: At program point L962(lines 957 964) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:44,216 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:44,217 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2022-01-10 06:35:44,217 INFO L854 garLoopResultBuilder]: At program point L764-2(lines 756 769) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:44,217 INFO L858 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2022-01-10 06:35:44,217 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2022-01-10 06:35:44,217 INFO L854 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:44,217 INFO L861 garLoopResultBuilder]: At program point L777(lines 716 781) the Hoare annotation is: true [2022-01-10 06:35:44,217 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2022-01-10 06:35:44,217 INFO L858 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2022-01-10 06:35:44,217 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:44,217 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 732) no Hoare annotation was computed. [2022-01-10 06:35:44,217 INFO L854 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2022-01-10 06:35:44,217 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 635 646) no Hoare annotation was computed. [2022-01-10 06:35:44,217 INFO L858 garLoopResultBuilder]: For program point L639-1(lines 635 646) no Hoare annotation was computed. [2022-01-10 06:35:44,218 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 635 646) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2022-01-10 06:35:44,218 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 893 901) no Hoare annotation was computed. [2022-01-10 06:35:44,218 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 893 901) the Hoare annotation is: true [2022-01-10 06:35:44,218 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 893 901) no Hoare annotation was computed. [2022-01-10 06:35:44,220 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:44,222 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:44,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:44 BoogieIcfgContainer [2022-01-10 06:35:44,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:44,264 INFO L158 Benchmark]: Toolchain (without parser) took 9602.33ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 125.1MB in the beginning and 150.8MB in the end (delta: -25.7MB). Peak memory consumption was 93.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:44,264 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 174.1MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:44,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.66ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 137.2MB in the end (delta: -12.3MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-01-10 06:35:44,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.50ms. Allocated memory is still 174.1MB. Free memory was 137.2MB in the beginning and 134.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:44,264 INFO L158 Benchmark]: Boogie Preprocessor took 29.19ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 133.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:35:44,265 INFO L158 Benchmark]: RCFGBuilder took 478.90ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 116.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:44,266 INFO L158 Benchmark]: TraceAbstraction took 8541.35ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 115.9MB in the beginning and 150.8MB in the end (delta: -34.9MB). Peak memory consumption was 84.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:44,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 174.1MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 487.66ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 137.2MB in the end (delta: -12.3MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.50ms. Allocated memory is still 174.1MB. Free memory was 137.2MB in the beginning and 134.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.19ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 133.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 478.90ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 116.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 8541.35ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 115.9MB in the beginning and 150.8MB in the end (delta: -34.9MB). Peak memory consumption was 84.1MB. Max. memory is 8.0GB. * 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: 211]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 609 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 589 mSDsluCounter, 3135 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2111 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 513 IncrementalHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 1024 mSDtfsCounter, 513 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 584 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=400occurred in iteration=9, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 77 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 685 PreInvPairs, 798 NumberOfFragments, 1695 HoareAnnotationTreeSize, 685 FomulaSimplifications, 482 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 40 FomulaSimplificationsInter, 2926 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 490 NumberOfCodeBlocks, 490 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 566 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1858 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 74/87 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: 857]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) || (1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(systemActive == 1bv32) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) || (1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((1bv32 == pumpRunning && \result == 2bv32) && waterLevel == \old(waterLevel))) || (((\result == 2bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) || (1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((((\result == 2bv32 && systemActive == 1bv32) && 2bv32 == tmp) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || (((1bv32 == pumpRunning && \result == 2bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || (((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((1bv32 == \result && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || (((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) || (1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:44,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...