/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_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:21,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:21,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:21,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:21,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:21,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:21,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:21,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:21,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:21,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:21,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:21,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:21,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:21,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:21,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:21,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:21,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:21,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:21,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:21,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:21,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:22,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:22,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:22,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:22,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:22,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:22,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:22,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:22,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:22,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:22,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:22,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:22,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:22,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:22,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:22,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:22,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:22,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:22,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:22,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:22,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:22,017 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 06:32:22,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:22,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:22,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:22,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:22,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:22,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:22,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:22,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:22,040 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:22,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:22,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:22,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:22,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:22,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:22,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:22,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:22,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:22,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:22,042 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:22,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:22,042 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:22,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:22,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:22,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:22,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:22,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:22,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:22,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:22,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:22,243 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:22,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2022-01-10 06:32:22,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda19c781/128b790ce2d549e78aace07478b38a59/FLAG69f1e6326 [2022-01-10 06:32:22,634 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:22,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2022-01-10 06:32:22,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda19c781/128b790ce2d549e78aace07478b38a59/FLAG69f1e6326 [2022-01-10 06:32:23,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda19c781/128b790ce2d549e78aace07478b38a59 [2022-01-10 06:32:23,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:23,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:23,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:23,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:23,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:23,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79957017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23, skipping insertion in model container [2022-01-10 06:32:23,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:23,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:23,259 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_spec1_product46.cil.c[7019,7032] [2022-01-10 06:32:23,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:23,306 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:23,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:23,337 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_spec1_product46.cil.c[7019,7032] [2022-01-10 06:32:23,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:23,390 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:23,406 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_spec1_product46.cil.c[7019,7032] [2022-01-10 06:32:23,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:23,436 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:23,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23 WrapperNode [2022-01-10 06:32:23,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:23,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:23,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:23,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:23,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,503 INFO L137 Inliner]: procedures = 57, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 230 [2022-01-10 06:32:23,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:23,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:23,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:23,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:23,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:23,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:23,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:23,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:23,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (1/1) ... [2022-01-10 06:32:23,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:23,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:23,678 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 06:32:23,680 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 06:32:23,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:23,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:32:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:32:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:32:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:32:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:32:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:32:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:23,787 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:23,788 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:24,017 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:24,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:24,022 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:24,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:24 BoogieIcfgContainer [2022-01-10 06:32:24,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:24,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:24,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:24,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:24,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:23" (1/3) ... [2022-01-10 06:32:24,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348ed553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:24, skipping insertion in model container [2022-01-10 06:32:24,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:23" (2/3) ... [2022-01-10 06:32:24,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348ed553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:24, skipping insertion in model container [2022-01-10 06:32:24,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:24" (3/3) ... [2022-01-10 06:32:24,036 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2022-01-10 06:32:24,039 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:24,039 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:24,069 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:24,073 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 06:32:24,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 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 06:32:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 06:32:24,101 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:24,102 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] [2022-01-10 06:32:24,102 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:24,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:24,109 INFO L85 PathProgramCache]: Analyzing trace with hash 460925055, now seen corresponding path program 1 times [2022-01-10 06:32:24,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:24,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785338504] [2022-01-10 06:32:24,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:24,121 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:24,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:24,123 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 06:32:24,128 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 06:32:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:24,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:24,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:24,285 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 06:32:24,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:24,286 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:24,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785338504] [2022-01-10 06:32:24,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785338504] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:24,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:24,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:24,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811074182] [2022-01-10 06:32:24,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:24,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:24,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:24,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:24,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:24,318 INFO L87 Difference]: Start difference. First operand has 94 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 06:32:24,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:24,353 INFO L93 Difference]: Finished difference Result 180 states and 243 transitions. [2022-01-10 06:32:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:24,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-01-10 06:32:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:24,363 INFO L225 Difference]: With dead ends: 180 [2022-01-10 06:32:24,363 INFO L226 Difference]: Without dead ends: 85 [2022-01-10 06:32:24,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 06:32:24,369 INFO L933 BasicCegarLoop]: 118 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, 118 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 06:32:24,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-01-10 06:32:24,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-01-10 06:32:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 70 states have internal predecessors, (82), 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 06:32:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-01-10 06:32:24,416 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 23 [2022-01-10 06:32:24,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:24,416 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-01-10 06:32:24,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 06:32:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-01-10 06:32:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 06:32:24,420 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:24,420 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] [2022-01-10 06:32:24,426 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 06:32:24,626 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 06:32:24,627 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:24,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:24,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1826997256, now seen corresponding path program 1 times [2022-01-10 06:32:24,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:24,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448722105] [2022-01-10 06:32:24,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:24,628 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:24,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:24,629 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 06:32:24,631 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 06:32:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:24,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:24,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:24,741 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 06:32:24,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:24,741 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:24,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448722105] [2022-01-10 06:32:24,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448722105] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:24,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:24,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:24,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584108541] [2022-01-10 06:32:24,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:24,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:24,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:24,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:24,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:24,744 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 06:32:24,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:24,761 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions. [2022-01-10 06:32:24,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:24,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-01-10 06:32:24,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:24,762 INFO L225 Difference]: With dead ends: 135 [2022-01-10 06:32:24,762 INFO L226 Difference]: Without dead ends: 76 [2022-01-10 06:32:24,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 06:32:24,764 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 13 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 175 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 06:32:24,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 175 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:24,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-01-10 06:32:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-01-10 06:32:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 64 states have internal predecessors, (75), 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 06:32:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-01-10 06:32:24,770 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 24 [2022-01-10 06:32:24,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:24,770 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-01-10 06:32:24,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 06:32:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-01-10 06:32:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 06:32:24,771 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:24,771 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] [2022-01-10 06:32:24,790 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 06:32:24,980 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 06:32:24,980 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:24,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:24,981 INFO L85 PathProgramCache]: Analyzing trace with hash 844834205, now seen corresponding path program 1 times [2022-01-10 06:32:24,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:24,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356396273] [2022-01-10 06:32:24,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:24,981 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:24,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:24,983 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 06:32:24,986 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 06:32:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:25,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:25,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:25,089 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 06:32:25,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:25,090 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:25,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356396273] [2022-01-10 06:32:25,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356396273] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:25,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:25,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:25,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793539459] [2022-01-10 06:32:25,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:25,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:25,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:25,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:25,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:25,100 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 06:32:25,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:25,126 INFO L93 Difference]: Finished difference Result 145 states and 188 transitions. [2022-01-10 06:32:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:25,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2022-01-10 06:32:25,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:25,129 INFO L225 Difference]: With dead ends: 145 [2022-01-10 06:32:25,130 INFO L226 Difference]: Without dead ends: 76 [2022-01-10 06:32:25,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 06:32:25,136 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:25,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 95 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:25,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-01-10 06:32:25,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-01-10 06:32:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 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 06:32:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2022-01-10 06:32:25,148 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 29 [2022-01-10 06:32:25,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:25,149 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2022-01-10 06:32:25,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 06:32:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-01-10 06:32:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 06:32:25,151 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:25,151 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] [2022-01-10 06:32:25,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:32:25,360 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 06:32:25,360 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:25,361 INFO L85 PathProgramCache]: Analyzing trace with hash -589702700, now seen corresponding path program 1 times [2022-01-10 06:32:25,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:25,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41974522] [2022-01-10 06:32:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:25,362 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:25,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:25,363 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 06:32:25,368 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 06:32:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:25,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:25,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:25,531 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 06:32:25,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:25,531 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:25,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41974522] [2022-01-10 06:32:25,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41974522] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:25,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:25,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:25,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668894837] [2022-01-10 06:32:25,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:25,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:25,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:25,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:25,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:25,535 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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 06:32:25,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:25,694 INFO L93 Difference]: Finished difference Result 220 states and 276 transitions. [2022-01-10 06:32:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:32:25,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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 39 [2022-01-10 06:32:25,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:25,696 INFO L225 Difference]: With dead ends: 220 [2022-01-10 06:32:25,696 INFO L226 Difference]: Without dead ends: 151 [2022-01-10 06:32:25,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 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 06:32:25,703 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 195 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:25,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 312 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:25,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-01-10 06:32:25,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 145. [2022-01-10 06:32:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 109 states have (on average 1.238532110091743) internal successors, (135), 117 states have internal predecessors, (135), 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 06:32:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 174 transitions. [2022-01-10 06:32:25,730 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 174 transitions. Word has length 39 [2022-01-10 06:32:25,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:25,730 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 174 transitions. [2022-01-10 06:32:25,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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 06:32:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 174 transitions. [2022-01-10 06:32:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:32:25,731 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:25,731 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] [2022-01-10 06:32:25,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:25,938 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 06:32:25,939 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:25,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:25,944 INFO L85 PathProgramCache]: Analyzing trace with hash -504032566, now seen corresponding path program 1 times [2022-01-10 06:32:25,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:25,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644446643] [2022-01-10 06:32:25,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:25,945 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:25,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:25,946 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 06:32:25,948 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 06:32:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:25,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:32:26,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:26,084 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 06:32:26,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:26,085 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:26,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644446643] [2022-01-10 06:32:26,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644446643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:26,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:26,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:26,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841314119] [2022-01-10 06:32:26,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:26,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:26,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:26,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:26,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:26,086 INFO L87 Difference]: Start difference. First operand 145 states and 174 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:32:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:26,106 INFO L93 Difference]: Finished difference Result 377 states and 468 transitions. [2022-01-10 06:32:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:26,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-01-10 06:32:26,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:26,108 INFO L225 Difference]: With dead ends: 377 [2022-01-10 06:32:26,108 INFO L226 Difference]: Without dead ends: 239 [2022-01-10 06:32:26,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 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 06:32:26,109 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 53 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:26,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 186 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:26,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-01-10 06:32:26,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2022-01-10 06:32:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 179 states have (on average 1.2402234636871508) internal successors, (222), 190 states have internal predecessors, (222), 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 06:32:26,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 288 transitions. [2022-01-10 06:32:26,123 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 288 transitions. Word has length 45 [2022-01-10 06:32:26,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:26,123 INFO L470 AbstractCegarLoop]: Abstraction has 237 states and 288 transitions. [2022-01-10 06:32:26,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:32:26,123 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 288 transitions. [2022-01-10 06:32:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:32:26,124 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:26,124 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] [2022-01-10 06:32:26,133 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 06:32:26,331 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 06:32:26,332 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:26,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:26,332 INFO L85 PathProgramCache]: Analyzing trace with hash -722887284, now seen corresponding path program 1 times [2022-01-10 06:32:26,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:26,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057663867] [2022-01-10 06:32:26,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:26,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:26,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:26,334 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 06:32:26,335 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 06:32:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:26,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:26,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:26,466 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 06:32:26,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:26,466 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:26,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057663867] [2022-01-10 06:32:26,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057663867] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:26,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:26,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:26,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393179732] [2022-01-10 06:32:26,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:26,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:26,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:26,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:26,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:26,468 INFO L87 Difference]: Start difference. First operand 237 states and 288 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:32:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:26,539 INFO L93 Difference]: Finished difference Result 701 states and 867 transitions. [2022-01-10 06:32:26,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:26,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-01-10 06:32:26,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:26,543 INFO L225 Difference]: With dead ends: 701 [2022-01-10 06:32:26,543 INFO L226 Difference]: Without dead ends: 471 [2022-01-10 06:32:26,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 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 06:32:26,544 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 53 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:26,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 457 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:26,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-01-10 06:32:26,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 453. [2022-01-10 06:32:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 338 states have (on average 1.2071005917159763) internal successors, (408), 359 states have internal predecessors, (408), 60 states have call successors, (60), 50 states have call predecessors, (60), 54 states have return successors, (76), 60 states have call predecessors, (76), 60 states have call successors, (76) [2022-01-10 06:32:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 544 transitions. [2022-01-10 06:32:26,565 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 544 transitions. Word has length 45 [2022-01-10 06:32:26,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:26,565 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 544 transitions. [2022-01-10 06:32:26,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:32:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 544 transitions. [2022-01-10 06:32:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:32:26,566 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:26,566 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] [2022-01-10 06:32:26,574 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 06:32:26,775 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 06:32:26,775 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:26,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2109538792, now seen corresponding path program 1 times [2022-01-10 06:32:26,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:26,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32896321] [2022-01-10 06:32:26,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:26,776 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:26,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:26,777 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 06:32:26,778 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 06:32:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:26,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:26,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:26,923 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 06:32:26,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:26,923 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:26,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32896321] [2022-01-10 06:32:26,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [32896321] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:26,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:26,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:32:26,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374222668] [2022-01-10 06:32:26,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:26,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:26,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:26,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:26,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:26,927 INFO L87 Difference]: Start difference. First operand 453 states and 544 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:27,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:27,119 INFO L93 Difference]: Finished difference Result 475 states and 566 transitions. [2022-01-10 06:32:27,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 06:32:27,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2022-01-10 06:32:27,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:27,123 INFO L225 Difference]: With dead ends: 475 [2022-01-10 06:32:27,123 INFO L226 Difference]: Without dead ends: 473 [2022-01-10 06:32:27,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-01-10 06:32:27,124 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 113 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:27,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 356 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:27,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-01-10 06:32:27,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 453. [2022-01-10 06:32:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 338 states have (on average 1.198224852071006) internal successors, (405), 359 states have internal predecessors, (405), 60 states have call successors, (60), 50 states have call predecessors, (60), 54 states have return successors, (76), 60 states have call predecessors, (76), 60 states have call successors, (76) [2022-01-10 06:32:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 541 transitions. [2022-01-10 06:32:27,145 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 541 transitions. Word has length 49 [2022-01-10 06:32:27,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:27,145 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 541 transitions. [2022-01-10 06:32:27,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 541 transitions. [2022-01-10 06:32:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 06:32:27,146 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:27,147 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 06:32:27,157 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 06:32:27,353 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 06:32:27,354 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:27,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:27,354 INFO L85 PathProgramCache]: Analyzing trace with hash 819889211, now seen corresponding path program 1 times [2022-01-10 06:32:27,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:27,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963105775] [2022-01-10 06:32:27,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:27,355 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:27,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:27,356 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 06:32:27,383 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 06:32:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:27,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:32:27,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:32:27,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:27,502 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:27,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963105775] [2022-01-10 06:32:27,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963105775] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:27,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:27,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:27,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419500724] [2022-01-10 06:32:27,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:27,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:32:27,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:27,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:32:27,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:32:27,504 INFO L87 Difference]: Start difference. First operand 453 states and 541 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (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 06:32:27,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:27,534 INFO L93 Difference]: Finished difference Result 931 states and 1131 transitions. [2022-01-10 06:32:27,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:32:27,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (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 59 [2022-01-10 06:32:27,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:27,536 INFO L225 Difference]: With dead ends: 931 [2022-01-10 06:32:27,537 INFO L226 Difference]: Without dead ends: 485 [2022-01-10 06:32:27,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 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 06:32:27,549 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 10 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:27,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 369 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:27,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-01-10 06:32:27,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 465. [2022-01-10 06:32:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 350 states have (on average 1.1914285714285715) internal successors, (417), 371 states have internal predecessors, (417), 60 states have call successors, (60), 50 states have call predecessors, (60), 54 states have return successors, (76), 60 states have call predecessors, (76), 60 states have call successors, (76) [2022-01-10 06:32:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 553 transitions. [2022-01-10 06:32:27,564 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 553 transitions. Word has length 59 [2022-01-10 06:32:27,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:27,564 INFO L470 AbstractCegarLoop]: Abstraction has 465 states and 553 transitions. [2022-01-10 06:32:27,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (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 06:32:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 553 transitions. [2022-01-10 06:32:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 06:32:27,565 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:27,565 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 06:32:27,574 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 06:32:27,772 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 06:32:27,773 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:27,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash 842521465, now seen corresponding path program 1 times [2022-01-10 06:32:27,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:27,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456058165] [2022-01-10 06:32:27,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:27,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:27,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:27,775 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 06:32:27,775 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 06:32:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:27,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:32:27,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:32:27,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:27,890 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:27,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456058165] [2022-01-10 06:32:27,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456058165] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:27,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:27,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:32:27,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547034363] [2022-01-10 06:32:27,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:27,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:32:27,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:27,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:32:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:32:27,892 INFO L87 Difference]: Start difference. First operand 465 states and 553 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (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 06:32:27,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:27,914 INFO L93 Difference]: Finished difference Result 845 states and 1017 transitions. [2022-01-10 06:32:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:32:27,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (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 59 [2022-01-10 06:32:27,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:27,917 INFO L225 Difference]: With dead ends: 845 [2022-01-10 06:32:27,917 INFO L226 Difference]: Without dead ends: 387 [2022-01-10 06:32:27,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 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 06:32:27,919 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 11 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:27,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 279 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:27,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-01-10 06:32:27,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 375. [2022-01-10 06:32:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 282 states have (on average 1.177304964539007) internal successors, (332), 299 states have internal predecessors, (332), 48 states have call successors, (48), 40 states have call predecessors, (48), 44 states have return successors, (57), 48 states have call predecessors, (57), 48 states have call successors, (57) [2022-01-10 06:32:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 437 transitions. [2022-01-10 06:32:27,931 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 437 transitions. Word has length 59 [2022-01-10 06:32:27,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:27,931 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 437 transitions. [2022-01-10 06:32:27,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (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 06:32:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 437 transitions. [2022-01-10 06:32:27,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-01-10 06:32:27,932 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:27,932 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 06:32:27,953 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 06:32:28,139 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 06:32:28,139 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:28,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:28,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2111451217, now seen corresponding path program 1 times [2022-01-10 06:32:28,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:28,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435226866] [2022-01-10 06:32:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:28,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:28,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:28,141 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 06:32:28,155 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 06:32:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:28,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:28,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:28,330 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 06:32:28,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:28,330 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:28,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435226866] [2022-01-10 06:32:28,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435226866] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:28,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:28,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 06:32:28,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734016624] [2022-01-10 06:32:28,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:28,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:32:28,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:28,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:32:28,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:32:28,332 INFO L87 Difference]: Start difference. First operand 375 states and 437 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:32:28,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:28,430 INFO L93 Difference]: Finished difference Result 731 states and 854 transitions. [2022-01-10 06:32:28,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:32:28,430 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2022-01-10 06:32:28,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:28,432 INFO L225 Difference]: With dead ends: 731 [2022-01-10 06:32:28,432 INFO L226 Difference]: Without dead ends: 363 [2022-01-10 06:32:28,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 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 06:32:28,433 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 61 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:28,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 546 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-01-10 06:32:28,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2022-01-10 06:32:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 271 states have (on average 1.1623616236162362) internal successors, (315), 287 states have internal predecessors, (315), 47 states have call successors, (47), 40 states have call predecessors, (47), 42 states have return successors, (51), 46 states have call predecessors, (51), 47 states have call successors, (51) [2022-01-10 06:32:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 413 transitions. [2022-01-10 06:32:28,443 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 413 transitions. Word has length 63 [2022-01-10 06:32:28,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:28,443 INFO L470 AbstractCegarLoop]: Abstraction has 361 states and 413 transitions. [2022-01-10 06:32:28,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:32:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 413 transitions. [2022-01-10 06:32:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-10 06:32:28,444 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:28,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:28,451 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 06:32:28,651 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 06:32:28,651 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:28,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:28,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1925782386, now seen corresponding path program 1 times [2022-01-10 06:32:28,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:28,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669270391] [2022-01-10 06:32:28,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:28,652 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:28,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:28,653 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 06:32:28,653 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 06:32:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:28,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:28,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:32:28,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:28,887 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:28,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669270391] [2022-01-10 06:32:28,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669270391] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:28,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:28,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 06:32:28,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835918558] [2022-01-10 06:32:28,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:28,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:32:28,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:28,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:32:28,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:32:28,888 INFO L87 Difference]: Start difference. First operand 361 states and 413 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:32:28,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:28,974 INFO L93 Difference]: Finished difference Result 589 states and 678 transitions. [2022-01-10 06:32:28,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:32:28,974 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-01-10 06:32:28,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:28,975 INFO L225 Difference]: With dead ends: 589 [2022-01-10 06:32:28,975 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:28,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 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 06:32:28,976 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 68 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:28,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 772 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:28,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:28,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:28,977 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 06:32:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:28,977 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-01-10 06:32:28,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:28,977 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:28,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:32:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:28,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:28,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:28,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:29,187 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 06:32:29,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:31,095 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2022-01-10 06:32:31,095 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2022-01-10 06:32:31,095 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 530 541) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv1 32))) (or .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))))) [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 530 541) no Hoare annotation was computed. [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2022-01-10 06:32:31,096 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 542 550) the Hoare annotation is: true [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 542 550) no Hoare annotation was computed. [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 542 550) no Hoare annotation was computed. [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 335 364) no Hoare annotation was computed. [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2022-01-10 06:32:31,096 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 335 364) the Hoare annotation is: true [2022-01-10 06:32:31,096 INFO L861 garLoopResultBuilder]: At program point L349-1(lines 349 353) the Hoare annotation is: true [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point L346(line 346) no Hoare annotation was computed. [2022-01-10 06:32:31,096 INFO L861 garLoopResultBuilder]: At program point L345-2(lines 345 359) the Hoare annotation is: true [2022-01-10 06:32:31,096 INFO L861 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point L341-1(line 341) no Hoare annotation was computed. [2022-01-10 06:32:31,096 INFO L861 garLoopResultBuilder]: At program point L360(lines 335 364) the Hoare annotation is: true [2022-01-10 06:32:31,096 INFO L858 garLoopResultBuilder]: For program point L356(line 356) no Hoare annotation was computed. [2022-01-10 06:32:31,097 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2022-01-10 06:32:31,097 INFO L854 garLoopResultBuilder]: At program point L510-2(lines 506 517) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.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 .cse2) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse4))) [2022-01-10 06:32:31,097 INFO L854 garLoopResultBuilder]: At program point L473(lines 468 475) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,097 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2022-01-10 06:32:31,097 INFO L854 garLoopResultBuilder]: At program point L247(lines 242 249) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (and .cse4 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32)))) (or .cse0 .cse2 .cse4) (or .cse0 .cse1 .cse3))) [2022-01-10 06:32:31,097 INFO L854 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,097 INFO L854 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.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 .cse2) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse4))) [2022-01-10 06:32:31,097 INFO L858 garLoopResultBuilder]: For program point L198-1(line 198) no Hoare annotation was computed. [2022-01-10 06:32:31,097 INFO L854 garLoopResultBuilder]: At program point L483(line 483) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (not .cse7)) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5 .cse7 .cse1) (or .cse2 .cse6 .cse7 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32)))))) [2022-01-10 06:32:31,097 INFO L858 garLoopResultBuilder]: For program point L483-1(line 483) no Hoare annotation was computed. [2022-01-10 06:32:31,097 INFO L854 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (let ((.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse4 .cse5) (or .cse0 .cse3 .cse5) (or .cse0 .cse3 .cse6) (or .cse0 .cse4 .cse6))) [2022-01-10 06:32:31,098 INFO L854 garLoopResultBuilder]: At program point L211-1(lines 192 216) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (not .cse7)) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5 .cse7 .cse1) (or .cse2 .cse6 .cse7 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32)))))) [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse5 .cse6 .cse2))) [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L854 garLoopResultBuilder]: At program point L266(lines 261 269) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not .cse1) (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2 (= ~waterLevel~0 (_ bv1 32))) (or .cse0 (and (= |timeShift_isPumpRunning_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) .cse2) (or .cse0 .cse2 .cse1 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))))) [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 137 156) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point L485(lines 485 498) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 213) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L854 garLoopResultBuilder]: At program point L485-1(lines 477 501) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (not .cse7)) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse2 (= (_ bv0 32) |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1|) .cse5) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5 .cse7 .cse1) (or .cse2 .cse6 .cse7 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32)))))) [2022-01-10 06:32:31,098 INFO L858 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2022-01-10 06:32:31,098 INFO L854 garLoopResultBuilder]: At program point L448(lines 444 450) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L861 garLoopResultBuilder]: At program point L403(lines 396 405) the Hoare annotation is: true [2022-01-10 06:32:31,099 INFO L854 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,099 INFO L854 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,099 INFO L861 garLoopResultBuilder]: At program point L428(lines 409 431) the Hoare annotation is: true [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L854 garLoopResultBuilder]: At program point L330(lines 325 332) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L854 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2022-01-10 06:32:31,099 INFO L854 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,099 INFO L861 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-01-10 06:32:31,100 INFO L854 garLoopResultBuilder]: At program point L463(lines 458 466) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L854 garLoopResultBuilder]: At program point L393(lines 389 395) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:31,100 INFO L854 garLoopResultBuilder]: At program point L455(lines 451 457) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L854 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 518 529) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 518 529) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse3))) [2022-01-10 06:32:31,100 INFO L854 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (and (= (_ bv1 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~4#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not .cse7)) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6)))) [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2022-01-10 06:32:31,100 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2022-01-10 06:32:31,101 INFO L854 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not .cse6)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse5) (or .cse0 .cse1 .cse6) (or .cse0 .cse3 .cse4 .cse2)))) [2022-01-10 06:32:31,101 INFO L854 garLoopResultBuilder]: At program point L232-2(lines 225 241) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not .cse3)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1|) (= (_ bv0 32) ~pumpRunning~0)) .cse5) (or .cse0 .cse4 .cse5 .cse2)))) [2022-01-10 06:32:31,101 INFO L858 garLoopResultBuilder]: For program point L230-1(line 230) no Hoare annotation was computed. [2022-01-10 06:32:31,101 INFO L854 garLoopResultBuilder]: At program point L321(lines 306 324) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (and (= (_ bv1 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~4#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (not .cse7)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse2 .cse6) (or .cse0 .cse2 .cse7)))) [2022-01-10 06:32:31,101 INFO L854 garLoopResultBuilder]: At program point L222(lines 217 224) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 .cse1) (or .cse0 .cse1 .cse2) (or .cse0 (not .cse2) (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,101 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2022-01-10 06:32:31,101 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2022-01-10 06:32:31,101 INFO L854 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,101 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2022-01-10 06:32:31,101 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 166 190) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32))) (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:32:31,101 INFO L854 garLoopResultBuilder]: At program point L592(lines 583 596) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse7 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse6 .cse7)))) [2022-01-10 06:32:31,101 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 166 190) no Hoare annotation was computed. [2022-01-10 06:32:31,101 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2022-01-10 06:32:31,101 INFO L861 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: true [2022-01-10 06:32:31,101 INFO L858 garLoopResultBuilder]: For program point L255-1(line 255) no Hoare annotation was computed. [2022-01-10 06:32:31,102 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2022-01-10 06:32:31,102 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2022-01-10 06:32:31,104 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:31,105 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:31,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:31 BoogieIcfgContainer [2022-01-10 06:32:31,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:31,124 INFO L158 Benchmark]: Toolchain (without parser) took 8075.02ms. Allocated memory was 179.3MB in the beginning and 249.6MB in the end (delta: 70.3MB). Free memory was 127.4MB in the beginning and 122.7MB in the end (delta: 4.7MB). Peak memory consumption was 114.5MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,124 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory was 144.5MB in the beginning and 144.3MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:31,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.04ms. Allocated memory is still 179.3MB. Free memory was 127.3MB in the beginning and 140.5MB in the end (delta: -13.3MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.55ms. Allocated memory is still 179.3MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,125 INFO L158 Benchmark]: Boogie Preprocessor took 28.15ms. Allocated memory is still 179.3MB. Free memory was 138.4MB in the beginning and 136.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,125 INFO L158 Benchmark]: RCFGBuilder took 498.02ms. Allocated memory is still 179.3MB. Free memory was 136.3MB in the beginning and 120.1MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,125 INFO L158 Benchmark]: TraceAbstraction took 7092.62ms. Allocated memory was 179.3MB in the beginning and 249.6MB in the end (delta: 70.3MB). Free memory was 119.6MB in the beginning and 122.7MB in the end (delta: -3.1MB). Peak memory consumption was 106.5MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory was 144.5MB in the beginning and 144.3MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.04ms. Allocated memory is still 179.3MB. Free memory was 127.3MB in the beginning and 140.5MB in the end (delta: -13.3MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.55ms. Allocated memory is still 179.3MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.15ms. Allocated memory is still 179.3MB. Free memory was 138.4MB in the beginning and 136.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 498.02ms. Allocated memory is still 179.3MB. Free memory was 136.3MB in the beginning and 120.1MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7092.62ms. Allocated memory was 179.3MB in the beginning and 249.6MB in the end (delta: 70.3MB). Free memory was 119.6MB in the beginning and 122.7MB in the end (delta: -3.1MB). Peak memory consumption was 106.5MB. 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: 472]: 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, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 697 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 668 mSDsluCounter, 3665 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2389 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 630 IncrementalHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 1276 mSDtfsCounter, 630 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 548 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=465occurred in iteration=8, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 80 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1128 PreInvPairs, 1215 NumberOfFragments, 1470 HoareAnnotationTreeSize, 1128 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 2717 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 543 NumberOfCodeBlocks, 543 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 532 ConstructedInterpolants, 0 QuantifiedInterpolants, 1001 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2033 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 54/54 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: 389]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || (\result == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || \old(pumpRunning) == 0bv32) || tmp == 1bv32) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32)) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || (((1bv32 == tmp && \result == 0bv32) && tmp___0 == 0bv32) && \result == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (((1bv32 == tmp && \result == 0bv32) && tmp___0 == 0bv32) && \result == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || (0bv32 == pumpRunning && tmp == 1bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || \old(pumpRunning) == 0bv32) || tmp == 1bv32) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (methaneLevelCritical == tmp && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || 0bv32 == tmp) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || \old(pumpRunning) == 0bv32) || tmp == 1bv32) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && ((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) && (!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) || ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:31,163 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...