/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_spec2_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:48,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:48,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:48,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:48,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:48,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:48,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:48,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:48,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:48,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:48,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:48,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:48,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:48,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:48,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:48,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:48,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:48,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:48,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:48,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:48,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:48,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:48,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:48,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:48,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:48,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:48,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:48,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:48,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:48,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:48,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:48,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:48,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:48,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:48,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:48,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:48,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:48,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:48,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:48,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:48,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:48,961 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 06:32:48,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:48,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:48,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:48,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:48,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:48,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:48,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:48,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:48,975 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:48,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:48,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:48,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:48,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:48,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:48,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:48,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:48,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:48,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:48,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:48,977 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:48,978 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:48,978 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:48,978 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:48,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:48,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:48,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:49,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:49,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:49,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:49,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:49,177 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:49,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2022-01-10 06:32:49,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817d3a87f/12d46b63fe894e2899ec8d4fbc94c38d/FLAG0c5f484a5 [2022-01-10 06:32:49,570 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:49,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2022-01-10 06:32:49,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817d3a87f/12d46b63fe894e2899ec8d4fbc94c38d/FLAG0c5f484a5 [2022-01-10 06:32:49,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817d3a87f/12d46b63fe894e2899ec8d4fbc94c38d [2022-01-10 06:32:49,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:49,991 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:49,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:49,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:49,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:49,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:49" (1/1) ... [2022-01-10 06:32:49,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acd9577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:49, skipping insertion in model container [2022-01-10 06:32:49,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:49" (1/1) ... [2022-01-10 06:32:50,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:50,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:50,199 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_spec2_product14.cil.c[2807,2820] [2022-01-10 06:32:50,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:50,290 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:50,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:50,309 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_spec2_product14.cil.c[2807,2820] [2022-01-10 06:32:50,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:50,337 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:50,350 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_spec2_product14.cil.c[2807,2820] [2022-01-10 06:32:50,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:50,405 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:50,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50 WrapperNode [2022-01-10 06:32:50,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:50,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:50,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:50,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:50,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,448 INFO L137 Inliner]: procedures = 55, calls = 152, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 195 [2022-01-10 06:32:50,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:50,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:50,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:50,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:50,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:50,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:50,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:50,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:50,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:50,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:50,518 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 06:32:50,548 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 06:32:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:32:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:32:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:32:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:32:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:50,607 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:50,608 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:50,821 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:50,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:50,829 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:50,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:50 BoogieIcfgContainer [2022-01-10 06:32:50,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:50,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:50,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:50,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:50,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:49" (1/3) ... [2022-01-10 06:32:50,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b06409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:50, skipping insertion in model container [2022-01-10 06:32:50,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50" (2/3) ... [2022-01-10 06:32:50,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b06409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:50, skipping insertion in model container [2022-01-10 06:32:50,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:50" (3/3) ... [2022-01-10 06:32:50,837 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2022-01-10 06:32:50,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:50,840 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:50,871 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:50,875 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 06:32:50,876 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:50,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 65 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:32:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:32:50,892 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:50,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:50,893 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:50,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:50,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1328865407, now seen corresponding path program 1 times [2022-01-10 06:32:50,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:50,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958856409] [2022-01-10 06:32:50,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:50,907 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:50,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:50,909 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 06:32:50,912 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 06:32:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:51,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:51,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:51,096 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 06:32:51,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:51,098 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:51,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958856409] [2022-01-10 06:32:51,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958856409] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:51,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:51,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:51,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435691575] [2022-01-10 06:32:51,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:51,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:51,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:51,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:51,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:51,135 INFO L87 Difference]: Start difference. First operand has 79 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 65 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:51,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:51,171 INFO L93 Difference]: Finished difference Result 149 states and 200 transitions. [2022-01-10 06:32:51,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:51,173 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:32:51,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:51,182 INFO L225 Difference]: With dead ends: 149 [2022-01-10 06:32:51,182 INFO L226 Difference]: Without dead ends: 70 [2022-01-10 06:32:51,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:51,188 INFO L933 BasicCegarLoop]: 97 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, 97 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 06:32:51,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:51,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-01-10 06:32:51,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-01-10 06:32:51,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 57 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:32:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2022-01-10 06:32:51,218 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 25 [2022-01-10 06:32:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:51,218 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2022-01-10 06:32:51,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2022-01-10 06:32:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:32:51,220 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:51,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:51,227 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 06:32:51,421 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 06:32:51,430 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:51,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash -347169703, now seen corresponding path program 1 times [2022-01-10 06:32:51,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:51,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317242904] [2022-01-10 06:32:51,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:51,433 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:51,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:51,438 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 06:32:51,444 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 06:32:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:51,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:51,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:51,592 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 06:32:51,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:51,593 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:51,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317242904] [2022-01-10 06:32:51,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317242904] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:51,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:51,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:51,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458618262] [2022-01-10 06:32:51,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:51,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:51,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:51,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:51,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:51,597 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:51,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:51,611 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2022-01-10 06:32:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:51,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:32:51,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:51,618 INFO L225 Difference]: With dead ends: 104 [2022-01-10 06:32:51,618 INFO L226 Difference]: Without dead ends: 61 [2022-01-10 06:32:51,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:51,619 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 13 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 133 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 06:32:51,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 133 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:51,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-01-10 06:32:51,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-01-10 06:32:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:32:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2022-01-10 06:32:51,630 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 26 [2022-01-10 06:32:51,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:51,630 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2022-01-10 06:32:51,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2022-01-10 06:32:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:32:51,631 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:51,631 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] [2022-01-10 06:32:51,645 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 06:32:51,838 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 06:32:51,839 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:51,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:51,839 INFO L85 PathProgramCache]: Analyzing trace with hash -157411988, now seen corresponding path program 1 times [2022-01-10 06:32:51,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:51,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068888746] [2022-01-10 06:32:51,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:51,840 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:51,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:51,841 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 06:32:51,842 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 06:32:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:51,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:51,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:51,938 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 06:32:51,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:51,939 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:51,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068888746] [2022-01-10 06:32:51,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068888746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:51,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:51,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:51,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535496114] [2022-01-10 06:32:51,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:51,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:51,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:51,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:51,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:51,940 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 06:32:51,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:51,953 INFO L93 Difference]: Finished difference Result 114 states and 145 transitions. [2022-01-10 06:32:51,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:51,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 31 [2022-01-10 06:32:51,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:51,956 INFO L225 Difference]: With dead ends: 114 [2022-01-10 06:32:51,956 INFO L226 Difference]: Without dead ends: 61 [2022-01-10 06:32:51,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 06:32:51,958 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 74 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 06:32:51,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 74 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:51,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-01-10 06:32:51,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-01-10 06:32:51,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 51 states have internal predecessors, (59), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:32:51,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-01-10 06:32:51,963 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 31 [2022-01-10 06:32:51,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:51,964 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-01-10 06:32:51,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 06:32:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2022-01-10 06:32:51,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-10 06:32:51,966 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:51,966 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] [2022-01-10 06:32:51,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:52,169 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 06:32:52,169 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:52,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:52,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1576700884, now seen corresponding path program 1 times [2022-01-10 06:32:52,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:52,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029933904] [2022-01-10 06:32:52,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:52,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:52,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:52,171 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 06:32:52,175 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 06:32:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:52,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:52,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:52,300 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 06:32:52,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:52,301 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:52,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029933904] [2022-01-10 06:32:52,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029933904] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:52,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:52,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:52,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18129778] [2022-01-10 06:32:52,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:52,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:52,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:52,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:52,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:52,303 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:32:52,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:52,381 INFO L93 Difference]: Finished difference Result 165 states and 209 transitions. [2022-01-10 06:32:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:52,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-01-10 06:32:52,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:52,383 INFO L225 Difference]: With dead ends: 165 [2022-01-10 06:32:52,384 INFO L226 Difference]: Without dead ends: 112 [2022-01-10 06:32:52,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 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 06:32:52,389 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 40 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:52,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 363 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:52,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-01-10 06:32:52,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2022-01-10 06:32:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 80 states have (on average 1.275) internal successors, (102), 89 states have internal predecessors, (102), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17) [2022-01-10 06:32:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2022-01-10 06:32:52,406 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 36 [2022-01-10 06:32:52,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:52,407 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2022-01-10 06:32:52,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:32:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2022-01-10 06:32:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-10 06:32:52,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:52,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:52,414 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 06:32:52,614 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 06:32:52,614 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:52,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:52,615 INFO L85 PathProgramCache]: Analyzing trace with hash -862641624, now seen corresponding path program 1 times [2022-01-10 06:32:52,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:52,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908301457] [2022-01-10 06:32:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:52,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:52,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:52,617 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 06:32:52,618 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 06:32:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:52,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:32:52,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:52,782 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 06:32:52,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:52,783 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:52,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908301457] [2022-01-10 06:32:52,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908301457] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:52,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:52,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:32:52,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896543664] [2022-01-10 06:32:52,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:52,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:32:52,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:52,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:32:52,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:32:52,785 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:32:52,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:52,812 INFO L93 Difference]: Finished difference Result 186 states and 232 transitions. [2022-01-10 06:32:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:32:52,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-01-10 06:32:52,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:52,813 INFO L225 Difference]: With dead ends: 186 [2022-01-10 06:32:52,813 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:52,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 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 06:32:52,816 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 25 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:52,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 148 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:52,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:52,817 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 06:32:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:52,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-01-10 06:32:52,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:52,818 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:52,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:32:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:52,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:52,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:52,829 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 06:32:53,027 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 06:32:53,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:53,382 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2022-01-10 06:32:53,383 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:32:53,383 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:32:53,383 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 816) no Hoare annotation was computed. [2022-01-10 06:32:53,383 INFO L854 garLoopResultBuilder]: At program point L300(line 300) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,383 INFO L858 garLoopResultBuilder]: For program point L300-1(line 300) no Hoare annotation was computed. [2022-01-10 06:32:53,383 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 763 786) no Hoare annotation was computed. [2022-01-10 06:32:53,383 INFO L858 garLoopResultBuilder]: For program point L767-1(lines 766 785) no Hoare annotation was computed. [2022-01-10 06:32:53,383 INFO L854 garLoopResultBuilder]: At program point L850(lines 845 852) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:53,384 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-01-10 06:32:53,384 INFO L854 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:53,384 INFO L854 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:53,384 INFO L858 garLoopResultBuilder]: For program point L801-1(line 801) no Hoare annotation was computed. [2022-01-10 06:32:53,384 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-01-10 06:32:53,384 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:53,384 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 316) no Hoare annotation was computed. [2022-01-10 06:32:53,384 INFO L854 garLoopResultBuilder]: At program point L814(line 814) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,384 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 319) no Hoare annotation was computed. [2022-01-10 06:32:53,384 INFO L854 garLoopResultBuilder]: At program point L814-1(lines 795 819) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,385 INFO L854 garLoopResultBuilder]: At program point L141(lines 136 143) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:53,385 INFO L854 garLoopResultBuilder]: At program point L302-1(lines 294 322) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 .cse1 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| (_ bv0 32)) (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2022-01-10 06:32:53,385 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2022-01-10 06:32:53,385 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 763 786) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,385 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 763 786) no Hoare annotation was computed. [2022-01-10 06:32:53,385 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2022-01-10 06:32:53,385 INFO L858 garLoopResultBuilder]: For program point L774-1(lines 774 780) no Hoare annotation was computed. [2022-01-10 06:32:53,385 INFO L854 garLoopResultBuilder]: At program point L869(lines 864 872) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (and (= |timeShift_isPumpRunning_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))))) [2022-01-10 06:32:53,385 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 811) no Hoare annotation was computed. [2022-01-10 06:32:53,386 INFO L861 garLoopResultBuilder]: At program point L195-2(lines 195 209) the Hoare annotation is: true [2022-01-10 06:32:53,386 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 185 214) no Hoare annotation was computed. [2022-01-10 06:32:53,386 INFO L861 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: true [2022-01-10 06:32:53,386 INFO L858 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2022-01-10 06:32:53,386 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 185 214) the Hoare annotation is: true [2022-01-10 06:32:53,386 INFO L861 garLoopResultBuilder]: At program point L210(lines 185 214) the Hoare annotation is: true [2022-01-10 06:32:53,386 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-01-10 06:32:53,386 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2022-01-10 06:32:53,386 INFO L861 garLoopResultBuilder]: At program point L199-1(lines 199 203) the Hoare annotation is: true [2022-01-10 06:32:53,386 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-01-10 06:32:53,386 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-01-10 06:32:53,386 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-01-10 06:32:53,387 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-01-10 06:32:53,387 INFO L861 garLoopResultBuilder]: At program point L279(lines 260 282) the Hoare annotation is: true [2022-01-10 06:32:53,387 INFO L858 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2022-01-10 06:32:53,389 INFO L858 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2022-01-10 06:32:53,389 INFO L854 garLoopResultBuilder]: At program point L746(lines 701 748) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,389 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,389 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:53,389 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:53,389 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:53,389 INFO L858 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2022-01-10 06:32:53,390 INFO L854 garLoopResultBuilder]: At program point L739-2(lines 731 744) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,390 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:53,390 INFO L858 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2022-01-10 06:32:53,390 INFO L858 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2022-01-10 06:32:53,390 INFO L854 garLoopResultBuilder]: At program point L244(lines 240 246) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,390 INFO L854 garLoopResultBuilder]: At program point L723(line 723) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,390 INFO L854 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,390 INFO L861 garLoopResultBuilder]: At program point L752(lines 691 756) the Hoare annotation is: true [2022-01-10 06:32:53,390 INFO L854 garLoopResultBuilder]: At program point L170(lines 166 172) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,390 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2022-01-10 06:32:53,390 INFO L858 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2022-01-10 06:32:53,391 INFO L861 garLoopResultBuilder]: At program point L257(lines 249 259) the Hoare annotation is: true [2022-01-10 06:32:53,391 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2022-01-10 06:32:53,391 INFO L854 garLoopResultBuilder]: At program point L914(lines 909 916) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,391 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 277) no Hoare annotation was computed. [2022-01-10 06:32:53,391 INFO L854 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: false [2022-01-10 06:32:53,391 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-01-10 06:32:53,391 INFO L854 garLoopResultBuilder]: At program point L163(lines 159 165) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,391 INFO L854 garLoopResultBuilder]: At program point L291(lines 286 293) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:53,391 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:32:53,391 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:32:53,391 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-01-10 06:32:53,391 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 787 793) no Hoare annotation was computed. [2022-01-10 06:32:53,392 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 787 793) the Hoare annotation is: true [2022-01-10 06:32:53,392 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 853 863) the Hoare annotation is: true [2022-01-10 06:32:53,392 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 853 863) no Hoare annotation was computed. [2022-01-10 06:32:53,392 INFO L861 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: true [2022-01-10 06:32:53,392 INFO L858 garLoopResultBuilder]: For program point L858-1(line 858) no Hoare annotation was computed. [2022-01-10 06:32:53,392 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 853 863) no Hoare annotation was computed. [2022-01-10 06:32:53,394 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:32:53,395 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:53,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:53 BoogieIcfgContainer [2022-01-10 06:32:53,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:53,406 INFO L158 Benchmark]: Toolchain (without parser) took 3414.49ms. Allocated memory was 205.5MB in the beginning and 260.0MB in the end (delta: 54.5MB). Free memory was 154.4MB in the beginning and 200.7MB in the end (delta: -46.4MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2022-01-10 06:32:53,406 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:53,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.96ms. Allocated memory is still 205.5MB. Free memory was 154.1MB in the beginning and 167.1MB in the end (delta: -13.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-10 06:32:53,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.98ms. Allocated memory is still 205.5MB. Free memory was 166.6MB in the beginning and 164.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:53,407 INFO L158 Benchmark]: Boogie Preprocessor took 16.67ms. Allocated memory is still 205.5MB. Free memory was 164.5MB in the beginning and 162.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:32:53,407 INFO L158 Benchmark]: RCFGBuilder took 364.43ms. Allocated memory is still 205.5MB. Free memory was 162.9MB in the beginning and 146.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:32:53,407 INFO L158 Benchmark]: TraceAbstraction took 2573.59ms. Allocated memory was 205.5MB in the beginning and 260.0MB in the end (delta: 54.5MB). Free memory was 146.1MB in the beginning and 200.7MB in the end (delta: -54.6MB). Peak memory consumption was 1.5MB. Max. memory is 8.0GB. [2022-01-10 06:32:53,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 411.96ms. Allocated memory is still 205.5MB. Free memory was 154.1MB in the beginning and 167.1MB in the end (delta: -13.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.98ms. Allocated memory is still 205.5MB. Free memory was 166.6MB in the beginning and 164.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.67ms. Allocated memory is still 205.5MB. Free memory was 164.5MB in the beginning and 162.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 364.43ms. Allocated memory is still 205.5MB. Free memory was 162.9MB in the beginning and 146.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2573.59ms. Allocated memory was 205.5MB in the beginning and 260.0MB in the end (delta: 54.5MB). Free memory was 146.1MB in the beginning and 200.7MB in the end (delta: -54.6MB). Peak memory consumption was 1.5MB. 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: 140]: 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 8 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 815 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 438 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 377 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 199 PreInvPairs, 223 NumberOfFragments, 282 HoareAnnotationTreeSize, 199 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 423 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 339 SizeOfPredicates, 7 NumberOfNonLiveVariables, 810 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 864]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (\result == 0bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || tmp == 0bv32) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:53,452 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...