/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_spec3_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:56,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:56,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:56,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:56,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:56,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:56,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:56,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:56,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:56,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:56,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:56,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:56,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:56,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:56,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:56,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:56,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:56,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:56,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:56,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:56,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:56,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:56,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:56,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:56,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:33:56,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:33:56,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:33:56,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:33:56,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:33:56,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:33:56,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:56,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:56,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:56,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:56,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:56,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:56,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:56,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:56,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:56,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:56,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:56,300 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 06:33:56,324 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:56,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:56,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:56,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:56,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:56,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:56,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:56,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:56,327 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:56,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:56,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:56,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:56,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:56,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:56,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:56,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:56,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:56,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:56,329 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:56,330 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:56,330 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:56,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:56,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:56,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:56,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:56,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:56,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:56,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:56,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:56,533 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:56,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2022-01-10 06:33:56,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1a79408/9298abd5bd6245c1b98861bed0b29b0b/FLAG54b83c375 [2022-01-10 06:33:56,992 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:56,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2022-01-10 06:33:57,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1a79408/9298abd5bd6245c1b98861bed0b29b0b/FLAG54b83c375 [2022-01-10 06:33:57,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1a79408/9298abd5bd6245c1b98861bed0b29b0b [2022-01-10 06:33:57,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:57,374 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:57,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:57,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:57,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:57,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5def37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57, skipping insertion in model container [2022-01-10 06:33:57,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:57,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:57,608 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_spec3_product45.cil.c[8617,8630] [2022-01-10 06:33:57,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:57,662 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:57,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:57,712 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_spec3_product45.cil.c[8617,8630] [2022-01-10 06:33:57,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:57,757 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:57,793 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_spec3_product45.cil.c[8617,8630] [2022-01-10 06:33:57,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:57,839 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:57,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57 WrapperNode [2022-01-10 06:33:57,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:57,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:57,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:57,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:57,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,898 INFO L137 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 238 [2022-01-10 06:33:57,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:57,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:57,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:57,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:57,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:57,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:57,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:57,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:57,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:57,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:57,968 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 06:33:57,970 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 06:33:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:33:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:33:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:33:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:58,072 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:58,073 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:58,343 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:58,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:58,347 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:58,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:58 BoogieIcfgContainer [2022-01-10 06:33:58,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:58,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:58,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:58,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:58,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:57" (1/3) ... [2022-01-10 06:33:58,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee91672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:58, skipping insertion in model container [2022-01-10 06:33:58,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (2/3) ... [2022-01-10 06:33:58,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee91672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:58, skipping insertion in model container [2022-01-10 06:33:58,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:58" (3/3) ... [2022-01-10 06:33:58,358 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2022-01-10 06:33:58,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:58,362 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:58,393 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:58,398 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 06:33:58,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:33:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:58,431 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:58,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:58,432 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:58,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:58,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1088804663, now seen corresponding path program 1 times [2022-01-10 06:33:58,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:58,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305253665] [2022-01-10 06:33:58,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:58,443 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:58,445 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 06:33:58,446 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 06:33:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:58,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:58,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:58,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:58,610 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:58,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305253665] [2022-01-10 06:33:58,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305253665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:58,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:58,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:58,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250739101] [2022-01-10 06:33:58,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:58,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:58,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:58,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:58,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:58,643 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:58,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:58,685 INFO L93 Difference]: Finished difference Result 182 states and 247 transitions. [2022-01-10 06:33:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:58,686 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:58,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:58,694 INFO L225 Difference]: With dead ends: 182 [2022-01-10 06:33:58,694 INFO L226 Difference]: Without dead ends: 86 [2022-01-10 06:33:58,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 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 06:33:58,700 INFO L933 BasicCegarLoop]: 120 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, 120 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 06:33:58,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:58,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-01-10 06:33:58,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-01-10 06:33:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2022-01-10 06:33:58,744 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2022-01-10 06:33:58,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:58,744 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2022-01-10 06:33:58,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:58,745 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2022-01-10 06:33:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:58,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:58,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:58,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:33:58,954 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 06:33:58,954 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:58,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:58,955 INFO L85 PathProgramCache]: Analyzing trace with hash 913970031, now seen corresponding path program 1 times [2022-01-10 06:33:58,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:58,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226688206] [2022-01-10 06:33:58,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:58,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:58,958 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 06:33:58,971 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 06:33:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:59,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:59,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:59,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:59,128 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:59,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226688206] [2022-01-10 06:33:59,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226688206] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:59,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:59,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:59,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557413060] [2022-01-10 06:33:59,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:59,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:59,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:59,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:59,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:59,130 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:59,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:59,142 INFO L93 Difference]: Finished difference Result 138 states and 178 transitions. [2022-01-10 06:33:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:59,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:59,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:59,147 INFO L225 Difference]: With dead ends: 138 [2022-01-10 06:33:59,147 INFO L226 Difference]: Without dead ends: 77 [2022-01-10 06:33:59,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:59,149 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 180 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 06:33:59,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:59,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-01-10 06:33:59,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-01-10 06:33:59,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:59,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2022-01-10 06:33:59,155 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2022-01-10 06:33:59,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:59,156 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2022-01-10 06:33:59,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2022-01-10 06:33:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:33:59,157 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:59,157 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:59,166 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 06:33:59,364 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 06:33:59,364 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:59,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:59,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1563838683, now seen corresponding path program 1 times [2022-01-10 06:33:59,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:59,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414475491] [2022-01-10 06:33:59,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:59,366 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:59,367 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 06:33:59,369 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 06:33:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:59,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:59,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:59,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:59,499 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:59,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414475491] [2022-01-10 06:33:59,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414475491] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:59,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:59,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:59,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008303363] [2022-01-10 06:33:59,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:59,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:59,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:59,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:59,500 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:59,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:59,509 INFO L93 Difference]: Finished difference Result 147 states and 192 transitions. [2022-01-10 06:33:59,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:59,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-01-10 06:33:59,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:59,510 INFO L225 Difference]: With dead ends: 147 [2022-01-10 06:33:59,510 INFO L226 Difference]: Without dead ends: 77 [2022-01-10 06:33:59,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 06:33:59,512 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 81 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 97 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 06:33:59,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-01-10 06:33:59,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-01-10 06:33:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-01-10 06:33:59,518 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 30 [2022-01-10 06:33:59,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:59,525 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-01-10 06:33:59,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-01-10 06:33:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-10 06:33:59,540 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:59,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:59,555 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 06:33:59,747 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 06:33:59,748 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:59,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:59,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1485355981, now seen corresponding path program 1 times [2022-01-10 06:33:59,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:59,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931963399] [2022-01-10 06:33:59,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:59,749 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:59,750 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 06:33:59,751 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 06:33:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:59,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:59,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:59,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:59,904 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:59,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931963399] [2022-01-10 06:33:59,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931963399] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:59,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:59,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:59,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410615816] [2022-01-10 06:33:59,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:59,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:59,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:59,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:59,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:59,906 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 4 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 06:34:00,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:00,059 INFO L93 Difference]: Finished difference Result 227 states and 288 transitions. [2022-01-10 06:34:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:00,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 4 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 40 [2022-01-10 06:34:00,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:00,061 INFO L225 Difference]: With dead ends: 227 [2022-01-10 06:34:00,061 INFO L226 Difference]: Without dead ends: 157 [2022-01-10 06:34:00,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:00,062 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 202 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:00,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 334 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:00,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-01-10 06:34:00,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2022-01-10 06:34:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 115 states have (on average 1.2608695652173914) internal successors, (145), 123 states have internal predecessors, (145), 18 states have call successors, (18), 14 states have call predecessors, (18), 17 states have return successors, (21), 19 states have call predecessors, (21), 18 states have call successors, (21) [2022-01-10 06:34:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-01-10 06:34:00,074 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 40 [2022-01-10 06:34:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:00,074 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-01-10 06:34:00,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 4 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 06:34:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-01-10 06:34:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-10 06:34:00,075 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:00,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:00,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 06:34:00,282 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 06:34:00,282 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:00,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:00,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1430117211, now seen corresponding path program 1 times [2022-01-10 06:34:00,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:00,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027595663] [2022-01-10 06:34:00,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:00,284 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:00,284 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 06:34:00,286 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 06:34:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:00,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:00,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:00,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:00,411 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:00,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027595663] [2022-01-10 06:34:00,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027595663] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:00,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:00,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:00,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695148713] [2022-01-10 06:34:00,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:00,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:00,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:00,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:00,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:00,413 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:34:00,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:00,449 INFO L93 Difference]: Finished difference Result 391 states and 491 transitions. [2022-01-10 06:34:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:00,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2022-01-10 06:34:00,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:00,451 INFO L225 Difference]: With dead ends: 391 [2022-01-10 06:34:00,451 INFO L226 Difference]: Without dead ends: 247 [2022-01-10 06:34:00,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 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 06:34:00,452 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 40 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:00,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 390 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:00,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-01-10 06:34:00,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 241. [2022-01-10 06:34:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 183 states have (on average 1.2459016393442623) internal successors, (228), 194 states have internal predecessors, (228), 30 states have call successors, (30), 25 states have call predecessors, (30), 27 states have return successors, (36), 30 states have call predecessors, (36), 30 states have call successors, (36) [2022-01-10 06:34:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 294 transitions. [2022-01-10 06:34:00,467 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 294 transitions. Word has length 46 [2022-01-10 06:34:00,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:00,467 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 294 transitions. [2022-01-10 06:34:00,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:34:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 294 transitions. [2022-01-10 06:34:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-10 06:34:00,468 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:00,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:00,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:00,675 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 06:34:00,675 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:00,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:00,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1782384523, now seen corresponding path program 1 times [2022-01-10 06:34:00,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:00,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639249805] [2022-01-10 06:34:00,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:00,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:00,677 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 06:34:00,679 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 06:34:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:00,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:00,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:00,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:00,836 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:00,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639249805] [2022-01-10 06:34:00,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639249805] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:00,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:00,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:00,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686020901] [2022-01-10 06:34:00,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:00,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:00,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:00,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:00,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:00,838 INFO L87 Difference]: Start difference. First operand 241 states and 294 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:34:01,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:01,131 INFO L93 Difference]: Finished difference Result 669 states and 838 transitions. [2022-01-10 06:34:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:34:01,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2022-01-10 06:34:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:01,134 INFO L225 Difference]: With dead ends: 669 [2022-01-10 06:34:01,134 INFO L226 Difference]: Without dead ends: 525 [2022-01-10 06:34:01,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:34:01,135 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 265 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:01,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 457 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:34:01,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-01-10 06:34:01,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 493. [2022-01-10 06:34:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 375 states have (on average 1.2453333333333334) internal successors, (467), 400 states have internal predecessors, (467), 60 states have call successors, (60), 46 states have call predecessors, (60), 57 states have return successors, (73), 62 states have call predecessors, (73), 60 states have call successors, (73) [2022-01-10 06:34:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 600 transitions. [2022-01-10 06:34:01,159 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 600 transitions. Word has length 50 [2022-01-10 06:34:01,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:01,159 INFO L470 AbstractCegarLoop]: Abstraction has 493 states and 600 transitions. [2022-01-10 06:34:01,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:34:01,160 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 600 transitions. [2022-01-10 06:34:01,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-10 06:34:01,161 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:01,161 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:01,171 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 06:34:01,371 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 06:34:01,371 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:01,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:01,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1648371017, now seen corresponding path program 1 times [2022-01-10 06:34:01,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:01,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789736506] [2022-01-10 06:34:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:01,372 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:01,374 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 06:34:01,376 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 06:34:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:01,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:01,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:01,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:01,498 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:01,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789736506] [2022-01-10 06:34:01,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789736506] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:01,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:01,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:01,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249893249] [2022-01-10 06:34:01,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:01,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:34:01,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:01,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:34:01,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:34:01,502 INFO L87 Difference]: Start difference. First operand 493 states and 600 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:01,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:01,561 INFO L93 Difference]: Finished difference Result 967 states and 1195 transitions. [2022-01-10 06:34:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:01,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-01-10 06:34:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:01,564 INFO L225 Difference]: With dead ends: 967 [2022-01-10 06:34:01,564 INFO L226 Difference]: Without dead ends: 551 [2022-01-10 06:34:01,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 06:34:01,566 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 22 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:01,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 330 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:01,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2022-01-10 06:34:01,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 495. [2022-01-10 06:34:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 377 states have (on average 1.2413793103448276) internal successors, (468), 402 states have internal predecessors, (468), 60 states have call successors, (60), 46 states have call predecessors, (60), 57 states have return successors, (73), 62 states have call predecessors, (73), 60 states have call successors, (73) [2022-01-10 06:34:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 601 transitions. [2022-01-10 06:34:01,598 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 601 transitions. Word has length 50 [2022-01-10 06:34:01,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:01,601 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 601 transitions. [2022-01-10 06:34:01,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 601 transitions. [2022-01-10 06:34:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-10 06:34:01,602 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:01,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:01,609 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 06:34:01,809 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 06:34:01,809 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:01,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1867225735, now seen corresponding path program 1 times [2022-01-10 06:34:01,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:01,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502731521] [2022-01-10 06:34:01,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:01,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:01,814 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 06:34:01,815 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 06:34:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:01,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:01,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:01,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:01,921 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:01,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502731521] [2022-01-10 06:34:01,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502731521] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:01,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:01,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:01,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754615985] [2022-01-10 06:34:01,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:01,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:01,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:01,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:01,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:01,922 INFO L87 Difference]: Start difference. First operand 495 states and 601 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:01,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:01,960 INFO L93 Difference]: Finished difference Result 1019 states and 1248 transitions. [2022-01-10 06:34:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:01,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-01-10 06:34:01,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:01,962 INFO L225 Difference]: With dead ends: 1019 [2022-01-10 06:34:01,962 INFO L226 Difference]: Without dead ends: 531 [2022-01-10 06:34:01,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 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 06:34:01,963 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 24 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:01,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 396 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2022-01-10 06:34:01,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 501. [2022-01-10 06:34:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 385 states have (on average 1.2337662337662338) internal successors, (475), 409 states have internal predecessors, (475), 59 states have call successors, (59), 45 states have call predecessors, (59), 56 states have return successors, (72), 61 states have call predecessors, (72), 59 states have call successors, (72) [2022-01-10 06:34:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 606 transitions. [2022-01-10 06:34:01,983 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 606 transitions. Word has length 50 [2022-01-10 06:34:01,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:01,983 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 606 transitions. [2022-01-10 06:34:01,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 606 transitions. [2022-01-10 06:34:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 06:34:01,984 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:01,984 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, 1, 1, 1, 1] [2022-01-10 06:34:02,008 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 06:34:02,211 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 06:34:02,211 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:02,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:02,212 INFO L85 PathProgramCache]: Analyzing trace with hash 88017873, now seen corresponding path program 1 times [2022-01-10 06:34:02,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:02,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137346942] [2022-01-10 06:34:02,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:02,212 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:02,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:02,213 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 06:34:02,214 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 06:34:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:02,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:34:02,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:02,407 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 06:34:02,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:02,407 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:02,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137346942] [2022-01-10 06:34:02,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137346942] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:02,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:02,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:34:02,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097914558] [2022-01-10 06:34:02,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:02,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:34:02,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:02,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:34:02,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:02,409 INFO L87 Difference]: Start difference. First operand 501 states and 606 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:02,530 INFO L93 Difference]: Finished difference Result 1463 states and 1795 transitions. [2022-01-10 06:34:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:34:02,531 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-01-10 06:34:02,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:02,534 INFO L225 Difference]: With dead ends: 1463 [2022-01-10 06:34:02,534 INFO L226 Difference]: Without dead ends: 969 [2022-01-10 06:34:02,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:02,536 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 55 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:02,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 602 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:02,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2022-01-10 06:34:02,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 967. [2022-01-10 06:34:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 967 states, 741 states have (on average 1.222672064777328) internal successors, (906), 783 states have internal predecessors, (906), 116 states have call successors, (116), 89 states have call predecessors, (116), 109 states have return successors, (147), 119 states have call predecessors, (147), 116 states have call successors, (147) [2022-01-10 06:34:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1169 transitions. [2022-01-10 06:34:02,575 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1169 transitions. Word has length 59 [2022-01-10 06:34:02,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:02,575 INFO L470 AbstractCegarLoop]: Abstraction has 967 states and 1169 transitions. [2022-01-10 06:34:02,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1169 transitions. [2022-01-10 06:34:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 06:34:02,576 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:02,576 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, 1, 1, 1, 1, 1] [2022-01-10 06:34:02,585 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 06:34:02,783 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 06:34:02,783 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:02,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:02,784 INFO L85 PathProgramCache]: Analyzing trace with hash -229819681, now seen corresponding path program 1 times [2022-01-10 06:34:02,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:02,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670344037] [2022-01-10 06:34:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:02,784 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:02,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:02,808 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 06:34:02,809 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 06:34:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:02,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:02,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:02,981 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 06:34:02,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:02,981 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:02,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670344037] [2022-01-10 06:34:02,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670344037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:02,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:02,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:02,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180567142] [2022-01-10 06:34:02,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:02,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:02,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:02,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:02,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:02,983 INFO L87 Difference]: Start difference. First operand 967 states and 1169 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:03,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:03,030 INFO L93 Difference]: Finished difference Result 1005 states and 1208 transitions. [2022-01-10 06:34:03,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:03,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-01-10 06:34:03,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:03,047 INFO L225 Difference]: With dead ends: 1005 [2022-01-10 06:34:03,047 INFO L226 Difference]: Without dead ends: 1003 [2022-01-10 06:34:03,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 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 06:34:03,048 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 62 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:03,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 479 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2022-01-10 06:34:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 967. [2022-01-10 06:34:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 967 states, 741 states have (on average 1.2064777327935223) internal successors, (894), 783 states have internal predecessors, (894), 116 states have call successors, (116), 89 states have call predecessors, (116), 109 states have return successors, (147), 119 states have call predecessors, (147), 116 states have call successors, (147) [2022-01-10 06:34:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1157 transitions. [2022-01-10 06:34:03,111 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1157 transitions. Word has length 60 [2022-01-10 06:34:03,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:03,112 INFO L470 AbstractCegarLoop]: Abstraction has 967 states and 1157 transitions. [2022-01-10 06:34:03,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1157 transitions. [2022-01-10 06:34:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-01-10 06:34:03,113 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:03,113 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:03,122 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 06:34:03,322 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 06:34:03,322 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:03,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash -2090024307, now seen corresponding path program 1 times [2022-01-10 06:34:03,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:03,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411562946] [2022-01-10 06:34:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:03,323 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:03,324 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:03,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:34:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:03,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:03,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:03,490 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 06:34:03,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:03,491 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:03,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411562946] [2022-01-10 06:34:03,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411562946] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:03,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:03,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:34:03,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359875025] [2022-01-10 06:34:03,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:03,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:03,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:03,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:03,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:03,492 INFO L87 Difference]: Start difference. First operand 967 states and 1157 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:03,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:03,562 INFO L93 Difference]: Finished difference Result 1875 states and 2253 transitions. [2022-01-10 06:34:03,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:03,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2022-01-10 06:34:03,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:03,579 INFO L225 Difference]: With dead ends: 1875 [2022-01-10 06:34:03,579 INFO L226 Difference]: Without dead ends: 915 [2022-01-10 06:34:03,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 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 06:34:03,581 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 47 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:03,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 656 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:03,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2022-01-10 06:34:03,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 915. [2022-01-10 06:34:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 689 states have (on average 1.165457184325109) internal successors, (803), 731 states have internal predecessors, (803), 116 states have call successors, (116), 89 states have call predecessors, (116), 109 states have return successors, (140), 119 states have call predecessors, (140), 116 states have call successors, (140) [2022-01-10 06:34:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1059 transitions. [2022-01-10 06:34:03,663 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1059 transitions. Word has length 63 [2022-01-10 06:34:03,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:03,664 INFO L470 AbstractCegarLoop]: Abstraction has 915 states and 1059 transitions. [2022-01-10 06:34:03,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1059 transitions. [2022-01-10 06:34:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-10 06:34:03,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:03,667 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:03,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-01-10 06:34:03,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,868 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:03,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:03,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1400656575, now seen corresponding path program 1 times [2022-01-10 06:34:03,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:03,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920255428] [2022-01-10 06:34:03,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:03,869 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:03,870 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:03,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:34:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:03,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:03,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-01-10 06:34:04,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:04,061 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:04,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920255428] [2022-01-10 06:34:04,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920255428] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:04,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:04,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:04,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688212201] [2022-01-10 06:34:04,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:04,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:04,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:04,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:04,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:04,062 INFO L87 Difference]: Start difference. First operand 915 states and 1059 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:04,106 INFO L93 Difference]: Finished difference Result 1829 states and 2135 transitions. [2022-01-10 06:34:04,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:04,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 93 [2022-01-10 06:34:04,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:04,110 INFO L225 Difference]: With dead ends: 1829 [2022-01-10 06:34:04,110 INFO L226 Difference]: Without dead ends: 921 [2022-01-10 06:34:04,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 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 06:34:04,113 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 9 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:04,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 372 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-01-10 06:34:04,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 915. [2022-01-10 06:34:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 689 states have (on average 1.1567489114658926) internal successors, (797), 731 states have internal predecessors, (797), 116 states have call successors, (116), 89 states have call predecessors, (116), 109 states have return successors, (140), 119 states have call predecessors, (140), 116 states have call successors, (140) [2022-01-10 06:34:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1053 transitions. [2022-01-10 06:34:04,139 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1053 transitions. Word has length 93 [2022-01-10 06:34:04,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:04,139 INFO L470 AbstractCegarLoop]: Abstraction has 915 states and 1053 transitions. [2022-01-10 06:34:04,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1053 transitions. [2022-01-10 06:34:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-10 06:34:04,144 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:04,145 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:04,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-01-10 06:34:04,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,352 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:04,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:04,352 INFO L85 PathProgramCache]: Analyzing trace with hash 908030401, now seen corresponding path program 1 times [2022-01-10 06:34:04,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:04,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460552138] [2022-01-10 06:34:04,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:04,352 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:04,353 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:04,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 06:34:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:04,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:04,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-01-10 06:34:04,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:04,526 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:04,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460552138] [2022-01-10 06:34:04,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460552138] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:04,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:04,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:04,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012100176] [2022-01-10 06:34:04,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:04,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:34:04,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:04,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:34:04,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:34:04,527 INFO L87 Difference]: Start difference. First operand 915 states and 1053 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:04,556 INFO L93 Difference]: Finished difference Result 1719 states and 2002 transitions. [2022-01-10 06:34:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:34:04,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 93 [2022-01-10 06:34:04,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:04,559 INFO L225 Difference]: With dead ends: 1719 [2022-01-10 06:34:04,559 INFO L226 Difference]: Without dead ends: 811 [2022-01-10 06:34:04,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 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 06:34:04,561 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 11 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:04,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 279 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:04,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2022-01-10 06:34:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 809. [2022-01-10 06:34:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 609 states have (on average 1.1592775041050902) internal successors, (706), 645 states have internal predecessors, (706), 104 states have call successors, (104), 83 states have call predecessors, (104), 95 states have return successors, (120), 103 states have call predecessors, (120), 104 states have call successors, (120) [2022-01-10 06:34:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 930 transitions. [2022-01-10 06:34:04,619 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 930 transitions. Word has length 93 [2022-01-10 06:34:04,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:04,620 INFO L470 AbstractCegarLoop]: Abstraction has 809 states and 930 transitions. [2022-01-10 06:34:04,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 930 transitions. [2022-01-10 06:34:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-01-10 06:34:04,621 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:04,621 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:04,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:04,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,822 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:04,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:04,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1353786525, now seen corresponding path program 1 times [2022-01-10 06:34:04,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:04,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167881736] [2022-01-10 06:34:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:04,822 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:04,823 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:04,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 06:34:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:04,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:04,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-10 06:34:05,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:05,067 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:05,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167881736] [2022-01-10 06:34:05,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167881736] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:05,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:05,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:05,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271541812] [2022-01-10 06:34:05,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:05,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:05,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:05,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:05,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:05,068 INFO L87 Difference]: Start difference. First operand 809 states and 930 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:34:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:05,154 INFO L93 Difference]: Finished difference Result 1611 states and 1866 transitions. [2022-01-10 06:34:05,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:05,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 97 [2022-01-10 06:34:05,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:05,157 INFO L225 Difference]: With dead ends: 1611 [2022-01-10 06:34:05,157 INFO L226 Difference]: Without dead ends: 809 [2022-01-10 06:34:05,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:05,159 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 51 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:05,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 392 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:05,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2022-01-10 06:34:05,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2022-01-10 06:34:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 609 states have (on average 1.1412151067323482) internal successors, (695), 645 states have internal predecessors, (695), 104 states have call successors, (104), 83 states have call predecessors, (104), 95 states have return successors, (120), 103 states have call predecessors, (120), 104 states have call successors, (120) [2022-01-10 06:34:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 919 transitions. [2022-01-10 06:34:05,188 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 919 transitions. Word has length 97 [2022-01-10 06:34:05,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:05,189 INFO L470 AbstractCegarLoop]: Abstraction has 809 states and 919 transitions. [2022-01-10 06:34:05,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:34:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 919 transitions. [2022-01-10 06:34:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-01-10 06:34:05,190 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:05,190 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:05,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:05,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:05,400 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:05,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:05,400 INFO L85 PathProgramCache]: Analyzing trace with hash 97944401, now seen corresponding path program 1 times [2022-01-10 06:34:05,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:05,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982733761] [2022-01-10 06:34:05,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:05,401 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:05,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:05,416 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:05,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 06:34:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:05,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:34:05,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:34:05,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:05,703 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:05,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982733761] [2022-01-10 06:34:05,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982733761] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:05,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:05,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 06:34:05,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682613833] [2022-01-10 06:34:05,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:05,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 06:34:05,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:05,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 06:34:05,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:34:05,704 INFO L87 Difference]: Start difference. First operand 809 states and 919 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2022-01-10 06:34:06,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:06,348 INFO L93 Difference]: Finished difference Result 1950 states and 2249 transitions. [2022-01-10 06:34:06,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-10 06:34:06,348 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 99 [2022-01-10 06:34:06,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:06,352 INFO L225 Difference]: With dead ends: 1950 [2022-01-10 06:34:06,352 INFO L226 Difference]: Without dead ends: 1234 [2022-01-10 06:34:06,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-01-10 06:34:06,354 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 273 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:06,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 583 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 06:34:06,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-01-10 06:34:06,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1195. [2022-01-10 06:34:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 888 states have (on average 1.1227477477477477) internal successors, (997), 938 states have internal predecessors, (997), 155 states have call successors, (155), 134 states have call predecessors, (155), 151 states have return successors, (177), 153 states have call predecessors, (177), 155 states have call successors, (177) [2022-01-10 06:34:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1329 transitions. [2022-01-10 06:34:06,387 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1329 transitions. Word has length 99 [2022-01-10 06:34:06,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:06,387 INFO L470 AbstractCegarLoop]: Abstraction has 1195 states and 1329 transitions. [2022-01-10 06:34:06,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2022-01-10 06:34:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1329 transitions. [2022-01-10 06:34:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-10 06:34:06,388 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:06,388 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:06,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:06,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:06,595 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:06,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:06,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1669212731, now seen corresponding path program 1 times [2022-01-10 06:34:06,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:06,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595545633] [2022-01-10 06:34:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:06,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:06,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:06,597 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:06,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 06:34:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:06,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:34:06,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-10 06:34:06,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:06,929 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:06,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595545633] [2022-01-10 06:34:06,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1595545633] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:06,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:06,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:34:06,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628835848] [2022-01-10 06:34:06,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:06,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:34:06,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:06,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:34:06,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:06,930 INFO L87 Difference]: Start difference. First operand 1195 states and 1329 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:34:07,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:07,075 INFO L93 Difference]: Finished difference Result 2245 states and 2500 transitions. [2022-01-10 06:34:07,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:34:07,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 101 [2022-01-10 06:34:07,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:07,077 INFO L225 Difference]: With dead ends: 2245 [2022-01-10 06:34:07,077 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:34:07,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:34:07,081 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 33 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:07,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 691 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:07,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:34:07,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:34:07,082 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 06:34:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:34:07,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2022-01-10 06:34:07,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:07,082 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:34:07,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:34:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:34:07,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:34:07,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:34:07,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-01-10 06:34:07,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:07,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:34:11,959 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 318 324) no Hoare annotation was computed. [2022-01-10 06:34:11,959 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 318 324) the Hoare annotation is: true [2022-01-10 06:34:11,959 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 119 130) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse6 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse4 .cse5 .cse6))) [2022-01-10 06:34:11,959 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 119 130) no Hoare annotation was computed. [2022-01-10 06:34:11,959 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 119 130) no Hoare annotation was computed. [2022-01-10 06:34:11,959 INFO L854 garLoopResultBuilder]: At program point L407(lines 402 409) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse2) (or .cse0 .cse4 .cse2 (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 .cse3 .cse4))) [2022-01-10 06:34:11,959 INFO L854 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse5 .cse0 .cse6 .cse2 .cse3) (or .cse5 .cse0 .cse7 .cse6 .cse3) (or .cse0 .cse1 .cse7 .cse3) (or .cse0 .cse4 .cse7))) [2022-01-10 06:34:11,959 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-01-10 06:34:11,959 INFO L854 garLoopResultBuilder]: At program point L168(lines 163 171) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1|)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse10 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4 .cse5) (let ((.cse7 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse1 .cse6 .cse7 .cse8) .cse2 .cse3 .cse4 (and .cse6 .cse9 .cse7 .cse8))) (or .cse2 .cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse4 .cse9) (or .cse2 (and .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32))) .cse4 .cse5) (or .cse2 .cse10 .cse5) (or .cse2 .cse3 .cse10))) [2022-01-10 06:34:11,960 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 294 317) no Hoare annotation was computed. [2022-01-10 06:34:11,960 INFO L854 garLoopResultBuilder]: At program point L358(line 358) the Hoare annotation is: (let ((.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2 .cse5) (or .cse3 .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse7 .cse6 .cse5) (or .cse0 .cse7 .cse2 .cse5) (or .cse0 .cse1 .cse6))) [2022-01-10 06:34:11,960 INFO L858 garLoopResultBuilder]: For program point L358-1(line 358) no Hoare annotation was computed. [2022-01-10 06:34:11,960 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2022-01-10 06:34:11,960 INFO L854 garLoopResultBuilder]: At program point L69-1(lines 54 86) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse12 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| (_ bv1 32))) (.cse7 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1|)) (.cse14 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse16 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse4) (let ((.cse8 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1|)) (.cse10 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|))) (or .cse1 .cse6 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse7 .cse8 .cse9 .cse10 .cse11) .cse3 (and .cse12 .cse7 .cse8 .cse10 .cse11))) (or .cse1 (and .cse12 .cse13 .cse11) (and .cse13 .cse9 .cse11) .cse6 .cse5) (or .cse1 (and .cse13 .cse9) .cse5 .cse4 (and .cse14 .cse15 .cse13)) (or .cse1 .cse6 .cse16 .cse3 .cse9) (or .cse1 (and .cse7 .cse14 .cse15) .cse3 .cse4) (or .cse1 .cse6 .cse16 .cse5 .cse9))) [2022-01-10 06:34:11,960 INFO L854 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (and (= (_ bv1 32) ~pumpRunning~0) .cse7)) (.cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse3) (or .cse0 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse6 .cse7) .cse8 .cse9 .cse2) (or .cse4 .cse0 .cse10 .cse5 .cse3) (or .cse0 .cse8 .cse9 .cse10 (and .cse6 .cse7)) (or .cse0 .cse1 .cse10 .cse3 .cse6) (or .cse0 .cse8 .cse11 .cse2 .cse6) (or .cse0 .cse8 .cse11 .cse10 .cse6)))) [2022-01-10 06:34:11,960 INFO L858 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-01-10 06:34:11,960 INFO L854 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse2 .cse5))) [2022-01-10 06:34:11,960 INFO L854 garLoopResultBuilder]: At program point L371-1(lines 352 376) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (and (= (_ bv1 32) ~pumpRunning~0) .cse7)) (.cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse3) (or .cse0 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse6 .cse7) .cse8 .cse9 .cse2) (or .cse4 .cse0 .cse10 .cse5 .cse3) (or .cse0 .cse8 .cse9 .cse10 (and .cse6 .cse7)) (or .cse0 .cse1 .cse10 .cse3 .cse6) (or .cse0 .cse8 .cse11 .cse2 .cse6) (or .cse0 .cse8 .cse11 .cse10 .cse6)))) [2022-01-10 06:34:11,960 INFO L858 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2022-01-10 06:34:11,960 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 06:34:11,960 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2022-01-10 06:34:11,960 INFO L854 garLoopResultBuilder]: At program point L99-2(lines 95 106) the Hoare annotation is: (let ((.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2 .cse5) (or .cse3 .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse7 .cse6 .cse5) (or .cse0 .cse7 .cse2 .cse5) (or .cse0 .cse1 .cse6))) [2022-01-10 06:34:11,960 INFO L854 garLoopResultBuilder]: At program point L591(lines 586 593) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse4))) [2022-01-10 06:34:11,960 INFO L854 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= |timeShift_isPumpRunning_#res#1| (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1|)) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (or .cse0 .cse3 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) .cse4 .cse5 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1|) (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse2) (or .cse0 .cse3 .cse6) (or .cse0 (and .cse4 .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32))) .cse1 .cse2))) [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point L298-1(lines 297 316) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 373) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 294 317) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse7)) (.cse4 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse2 .cse6)))) [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 294 317) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2022-01-10 06:34:11,961 INFO L861 garLoopResultBuilder]: At program point L214(lines 189 218) the Hoare annotation is: true [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L861 garLoopResultBuilder]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L861 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2022-01-10 06:34:11,961 INFO L861 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: true [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point L195-1(line 195) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 131 139) the Hoare annotation is: true [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 131 139) no Hoare annotation was computed. [2022-01-10 06:34:11,961 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 131 139) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L854 garLoopResultBuilder]: At program point L539(lines 496 541) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L275-2(lines 275 282) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L854 garLoopResultBuilder]: At program point L581(lines 576 584) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:11,962 INFO L861 garLoopResultBuilder]: At program point L259(lines 252 261) the Hoare annotation is: true [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L854 garLoopResultBuilder]: At program point L573(lines 569 575) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L861 garLoopResultBuilder]: At program point L284(lines 265 287) the Hoare annotation is: true [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L854 garLoopResultBuilder]: At program point L532-2(lines 526 537) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L858 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2022-01-10 06:34:11,962 INFO L861 garLoopResultBuilder]: At program point L545(lines 486 549) the Hoare annotation is: true [2022-01-10 06:34:11,963 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:34:11,963 INFO L854 garLoopResultBuilder]: At program point L508(line 508) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:11,963 INFO L854 garLoopResultBuilder]: At program point L248(lines 244 250) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:11,963 INFO L854 garLoopResultBuilder]: At program point L566(lines 562 568) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:11,963 INFO L854 garLoopResultBuilder]: At program point L542(lines 495 543) the Hoare annotation is: false [2022-01-10 06:34:11,963 INFO L858 garLoopResultBuilder]: For program point L497(lines 496 541) no Hoare annotation was computed. [2022-01-10 06:34:11,963 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 537) no Hoare annotation was computed. [2022-01-10 06:34:11,963 INFO L854 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:11,963 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 107 118) no Hoare annotation was computed. [2022-01-10 06:34:11,963 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 107 118) no Hoare annotation was computed. [2022-01-10 06:34:11,963 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 107 118) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse4 .cse5 .cse3))) [2022-01-10 06:34:11,963 INFO L854 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: (let ((.cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv0 32))) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse12 (= ~systemActive~0 (_ bv1 32))) (.cse13 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse6 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse8 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse9 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv1 32)) .cse11 .cse12 .cse13)) (.cse0 (not .cse12)) (.cse10 (and .cse11 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv0 32)) .cse12 .cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= (_ bv1 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1|) .cse13)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse8 .cse3 .cse1) (or .cse0 .cse3 .cse1 .cse5 .cse6) (or .cse0 .cse7 .cse8 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse9 .cse0 .cse10 .cse3 .cse1) (or .cse9 .cse0 .cse10 .cse3 .cse4)))) [2022-01-10 06:34:11,963 INFO L854 garLoopResultBuilder]: At program point L382(lines 377 384) the Hoare annotation is: (let ((.cse3 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv1 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_~tmp~2#1| (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6) (or .cse3 .cse0 .cse4 .cse5 .cse1) (or .cse7 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse1 (and .cse7 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~4#1|))) (or .cse0 .cse6 .cse2) (or .cse0 .cse5 .cse1 .cse8) (or .cse0 .cse5 .cse6 .cse8))) [2022-01-10 06:34:11,963 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2022-01-10 06:34:11,963 INFO L858 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2022-01-10 06:34:11,964 INFO L854 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse5) (or .cse0 .cse1 .cse4))) [2022-01-10 06:34:11,964 INFO L858 garLoopResultBuilder]: For program point L345-1(lines 326 350) no Hoare annotation was computed. [2022-01-10 06:34:11,964 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 182) no Hoare annotation was computed. [2022-01-10 06:34:11,964 INFO L854 garLoopResultBuilder]: At program point L181(lines 172 185) the Hoare annotation is: (let ((.cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) .cse9)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse5 .cse9)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse7 .cse1) (or .cse0 .cse8 .cse2) (or .cse0 .cse3 .cse8 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse7 .cse8)))) [2022-01-10 06:34:11,964 INFO L854 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse13 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv0 32))) (.cse8 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv0 32))) (.cse9 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse10 (= |processEnvironment__wrappee__methaneQuery_~tmp~2#1| (_ bv0 32))) (.cse11 (= (_ bv1 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1|)) (.cse12 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not .cse7)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12)) (or .cse0 .cse13 .cse3 .cse4) (or .cse0 (and .cse13 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) .cse3 .cse1) (or .cse0 .cse4 .cse2)))) [2022-01-10 06:34:11,964 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 326 350) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse2 .cse6) (or .cse0 .cse1 .cse5 .cse3))) [2022-01-10 06:34:11,964 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 342) no Hoare annotation was computed. [2022-01-10 06:34:11,964 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 326 350) no Hoare annotation was computed. [2022-01-10 06:34:11,964 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 347) no Hoare annotation was computed. [2022-01-10 06:34:11,964 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2022-01-10 06:34:11,964 INFO L854 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse6 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv1 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_~tmp~2#1| (_ bv1 32)))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse9 (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not .cse9)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3 .cse4) (or .cse6 .cse0 .cse7 .cse3 .cse1) (or .cse0 .cse3 .cse1 .cse5) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse8) (or .cse0 .cse3 .cse4 .cse8)))) [2022-01-10 06:34:11,965 INFO L854 garLoopResultBuilder]: At program point L392-2(lines 385 401) the Hoare annotation is: (let ((.cse3 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv1 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_~tmp~2#1| (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6) (or .cse3 .cse0 .cse4 .cse5 .cse1) (or .cse7 .cse0 .cse5 .cse6 (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 .cse5 .cse1 (and .cse7 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~4#1|))) (or .cse0 .cse6 .cse2) (or .cse0 .cse5 .cse1 .cse8) (or .cse0 .cse5 .cse6 .cse8))) [2022-01-10 06:34:11,965 INFO L858 garLoopResultBuilder]: For program point L390-1(line 390) no Hoare annotation was computed. [2022-01-10 06:34:11,965 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 410 420) the Hoare annotation is: true [2022-01-10 06:34:11,965 INFO L861 garLoopResultBuilder]: At program point L415(line 415) the Hoare annotation is: true [2022-01-10 06:34:11,965 INFO L858 garLoopResultBuilder]: For program point L415-1(line 415) no Hoare annotation was computed. [2022-01-10 06:34:11,965 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 410 420) no Hoare annotation was computed. [2022-01-10 06:34:11,965 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 410 420) no Hoare annotation was computed. [2022-01-10 06:34:11,967 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:11,968 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:34:12,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:12 BoogieIcfgContainer [2022-01-10 06:34:12,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:34:12,009 INFO L158 Benchmark]: Toolchain (without parser) took 14634.10ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 105.8MB in the beginning and 163.2MB in the end (delta: -57.4MB). Peak memory consumption was 129.4MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,009 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 157.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:12,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.96ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 105.6MB in the beginning and 151.5MB in the end (delta: -46.0MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.03ms. Allocated memory is still 188.7MB. Free memory was 151.5MB in the beginning and 149.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,009 INFO L158 Benchmark]: Boogie Preprocessor took 33.40ms. Allocated memory is still 188.7MB. Free memory was 149.0MB in the beginning and 147.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,009 INFO L158 Benchmark]: RCFGBuilder took 415.64ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 130.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,010 INFO L158 Benchmark]: TraceAbstraction took 13658.89ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 129.6MB in the beginning and 163.2MB in the end (delta: -33.6MB). Peak memory consumption was 121.6MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 157.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 464.96ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 105.6MB in the beginning and 151.5MB in the end (delta: -46.0MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.03ms. Allocated memory is still 188.7MB. Free memory was 151.5MB in the beginning and 149.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.40ms. Allocated memory is still 188.7MB. Free memory was 149.0MB in the beginning and 147.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 415.64ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 130.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 13658.89ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 129.6MB in the beginning and 163.2MB in the end (delta: -33.6MB). Peak memory consumption was 121.6MB. 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: 590]: 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 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 16, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1239 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1187 mSDsluCounter, 6358 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4398 mSDsCounter, 226 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1591 IncrementalHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 226 mSolverCounterUnsat, 1960 mSDtfsCounter, 1591 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 996 GetRequests, 914 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1195occurred in iteration=15, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 215 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 3711 PreInvPairs, 3976 NumberOfFragments, 2922 HoareAnnotationTreeSize, 3711 FomulaSimplifications, 1034 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 10434 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 982 NumberOfCodeBlocks, 982 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 966 ConstructedInterpolants, 0 QuantifiedInterpolants, 1906 SizeOfPredicates, 33 NumberOfNonLiveVariables, 3239 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 215/215 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: 54]: Loop Invariant Derived loop invariant: ((((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (((((!(waterLevel == 2bv32) && methaneLevelCritical == tmp) && waterLevel == tmp___0) && 0bv32 == pumpRunning) && waterLevel == \result) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || ((((1bv32 == pumpRunning && methaneLevelCritical == tmp) && waterLevel == tmp___0) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || ((1bv32 == pumpRunning && tmp == 1bv32) && waterLevel == \old(waterLevel))) || ((tmp == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((!(systemActive == 1bv32) || (tmp == 1bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || ((\old(pumpRunning) == pumpRunning && tmp == 0bv32) && tmp == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || ((methaneLevelCritical == tmp && \old(pumpRunning) == pumpRunning) && tmp == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32)) && (((((\result == 0bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((!(waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32)) && (((((\result == 0bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((!(waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || tmp___0 == 0bv32) || !(waterLevel == 1bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || (\result == 0bv32 && 0bv32 == tmp)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || tmp___0 == 0bv32) || !(waterLevel == 1bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || (\result == 0bv32 && 0bv32 == tmp)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((((((tmp___0 == 1bv32 && \result == 1bv32) && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || ((((((\old(pumpRunning) == pumpRunning && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 0bv32) && \result == 1bv32) && 1bv32 == tmp) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((((((tmp___0 == 1bv32 && \result == 1bv32) && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || ((((((\old(pumpRunning) == pumpRunning && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 0bv32) && \result == 1bv32) && 1bv32 == tmp) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((((((tmp___0 == 1bv32 && \result == 0bv32) && \result == 1bv32) && 0bv32 == tmp) && tmp == 1bv32) || !(systemActive == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((((((tmp___0 == 1bv32 && \result == 0bv32) && \result == 1bv32) && 0bv32 == tmp) && tmp == 1bv32) || !(systemActive == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (1bv32 == pumpRunning && methaneLevelCritical == tmp))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((((((!(systemActive == 1bv32) || (\old(pumpRunning) == pumpRunning && tmp == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || ((!(waterLevel == 2bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || (\old(pumpRunning) == pumpRunning && tmp == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((((((!(2bv32 == \old(waterLevel)) || 1bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((((((1bv32 == pumpRunning && methaneLevelCritical == tmp) && waterLevel == \result) && waterLevel == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (((methaneLevelCritical == tmp && 0bv32 == pumpRunning) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || ((methaneLevelCritical == tmp && \old(pumpRunning) == pumpRunning) && tmp == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || ((((((1bv32 == pumpRunning && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == tmp) && waterLevel == tmp___0) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || (((\result == 1bv32 && methaneLevelCritical == tmp) && \old(pumpRunning) == pumpRunning) && tmp == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((((((tmp___0 == 1bv32 && \result == 0bv32) && \result == 1bv32) && 0bv32 == tmp) && tmp == 1bv32) || !(systemActive == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((((((tmp___0 == 1bv32 && \result == 0bv32) && \result == 1bv32) && 0bv32 == tmp) && tmp == 1bv32) || !(systemActive == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (1bv32 == pumpRunning && methaneLevelCritical == tmp))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:34:12,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...