/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:35:06,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:35:06,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:35:06,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:35:06,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:35:06,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:35:06,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:35:06,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:35:06,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:35:06,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:35:06,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:35:06,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:35:06,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:35:06,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:35:06,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:35:06,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:35:06,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:35:06,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:35:06,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:35:06,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:35:06,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:35:06,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:35:06,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:35:06,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:35:06,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:35:06,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:35:06,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:35:06,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:35:06,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:35:06,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:35:06,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:35:06,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:35:06,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:35:06,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:35:06,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:35:06,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:35:06,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:35:06,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:35:06,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:35:06,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:35:06,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:35:06,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:35:06,305 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:35:06,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:35:06,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:35:06,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:35:06,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:35:06,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:35:06,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:35:06,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:35:06,307 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:35:06,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:35:06,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:35:06,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:35:06,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:35:06,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:35:06,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:06,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:35:06,309 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:35:06,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:35:06,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:35:06,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:35:06,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:35:06,532 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:35:06,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2022-01-10 06:35:06,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d1ac7f0/193fcd3cc1bc43a58a3a414c4cfc2baa/FLAGc9e9ccda1 [2022-01-10 06:35:06,963 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:35:06,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2022-01-10 06:35:06,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d1ac7f0/193fcd3cc1bc43a58a3a414c4cfc2baa/FLAGc9e9ccda1 [2022-01-10 06:35:06,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d1ac7f0/193fcd3cc1bc43a58a3a414c4cfc2baa [2022-01-10 06:35:06,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:35:06,989 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:35:06,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:06,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:35:07,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:35:07,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:06" (1/1) ... [2022-01-10 06:35:07,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f8e43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07, skipping insertion in model container [2022-01-10 06:35:07,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:06" (1/1) ... [2022-01-10 06:35:07,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:35:07,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:07,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2022-01-10 06:35:07,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:07,240 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:35:07,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:07,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2022-01-10 06:35:07,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:07,319 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:35:07,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2022-01-10 06:35:07,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:07,375 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:35:07,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07 WrapperNode [2022-01-10 06:35:07,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:07,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:07,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:35:07,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:35:07,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,422 INFO L137 Inliner]: procedures = 53, calls = 147, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 183 [2022-01-10 06:35:07,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:07,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:35:07,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:35:07,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:35:07,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:35:07,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:35:07,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:35:07,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:35:07,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (1/1) ... [2022-01-10 06:35:07,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:07,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:35:07,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:35:07,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:35:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:35:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:35:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:35:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:35:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:35:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:35:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:35:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:35:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:35:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:35:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:35:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:35:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:35:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:35:07,554 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:35:07,555 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:35:07,793 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:35:07,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:35:07,798 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:35:07,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:07 BoogieIcfgContainer [2022-01-10 06:35:07,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:35:07,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:35:07,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:35:07,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:35:07,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:35:06" (1/3) ... [2022-01-10 06:35:07,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2539480d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:07, skipping insertion in model container [2022-01-10 06:35:07,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:07" (2/3) ... [2022-01-10 06:35:07,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2539480d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:07, skipping insertion in model container [2022-01-10 06:35:07,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:07" (3/3) ... [2022-01-10 06:35:07,804 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2022-01-10 06:35:07,808 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:35:07,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:35:07,842 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:35:07,847 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:35:07,847 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:35:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:35:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:35:07,873 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:07,873 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:07,874 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:07,881 INFO L85 PathProgramCache]: Analyzing trace with hash -444733693, now seen corresponding path program 1 times [2022-01-10 06:35:07,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:07,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512866210] [2022-01-10 06:35:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:07,891 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:07,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:07,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:35:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:07,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:35:07,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:08,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:08,081 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:08,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512866210] [2022-01-10 06:35:08,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512866210] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:08,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:08,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:08,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091660028] [2022-01-10 06:35:08,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:08,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:35:08,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:08,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:35:08,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:08,106 INFO L87 Difference]: Start difference. First operand has 68 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:08,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:08,140 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2022-01-10 06:35:08,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:35:08,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-01-10 06:35:08,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:08,146 INFO L225 Difference]: With dead ends: 127 [2022-01-10 06:35:08,146 INFO L226 Difference]: Without dead ends: 59 [2022-01-10 06:35:08,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:08,150 INFO L933 BasicCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:08,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-01-10 06:35:08,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-01-10 06:35:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:08,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-01-10 06:35:08,175 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 32 [2022-01-10 06:35:08,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:08,176 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-01-10 06:35:08,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:08,176 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-01-10 06:35:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 06:35:08,178 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:08,178 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] [2022-01-10 06:35:08,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:08,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:08,381 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:08,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash -70538952, now seen corresponding path program 1 times [2022-01-10 06:35:08,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:08,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223442275] [2022-01-10 06:35:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:08,382 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:08,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:08,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:08,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:35:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:08,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:08,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:08,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:08,554 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:08,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223442275] [2022-01-10 06:35:08,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223442275] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:08,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:08,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:08,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625065535] [2022-01-10 06:35:08,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:08,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:08,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:08,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:08,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:08,561 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:08,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:08,578 INFO L93 Difference]: Finished difference Result 110 states and 143 transitions. [2022-01-10 06:35:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:08,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-01-10 06:35:08,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:08,582 INFO L225 Difference]: With dead ends: 110 [2022-01-10 06:35:08,582 INFO L226 Difference]: Without dead ends: 59 [2022-01-10 06:35:08,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:08,583 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:08,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:08,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-01-10 06:35:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-01-10 06:35:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 49 states have internal predecessors, (58), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-01-10 06:35:08,589 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 37 [2022-01-10 06:35:08,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:08,590 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-01-10 06:35:08,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-01-10 06:35:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:35:08,593 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:08,593 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:08,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:08,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:08,800 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:08,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:08,801 INFO L85 PathProgramCache]: Analyzing trace with hash -2006243142, now seen corresponding path program 1 times [2022-01-10 06:35:08,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:08,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664839521] [2022-01-10 06:35:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:08,802 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:08,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:08,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:08,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:35:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:08,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:35:08,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:08,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:08,940 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:08,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664839521] [2022-01-10 06:35:08,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664839521] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:08,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:08,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:35:08,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240569853] [2022-01-10 06:35:08,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:08,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:08,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:08,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:08,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:08,942 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:09,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:09,008 INFO L93 Difference]: Finished difference Result 108 states and 140 transitions. [2022-01-10 06:35:09,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:09,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-01-10 06:35:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:09,010 INFO L225 Difference]: With dead ends: 108 [2022-01-10 06:35:09,010 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:09,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:09,016 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 57 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:09,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 239 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:09,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:09,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:35:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:09,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-01-10 06:35:09,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:09,020 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:09,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:09,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:09,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:09,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:09,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:09,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:09,346 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2022-01-10 06:35:09,346 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:35:09,346 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:35:09,347 INFO L861 garLoopResultBuilder]: At program point L659(lines 652 661) the Hoare annotation is: true [2022-01-10 06:35:09,347 INFO L854 garLoopResultBuilder]: At program point L874(lines 869 876) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32)))) [2022-01-10 06:35:09,347 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 762 788) no Hoare annotation was computed. [2022-01-10 06:35:09,347 INFO L861 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: true [2022-01-10 06:35:09,347 INFO L861 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: true [2022-01-10 06:35:09,347 INFO L858 garLoopResultBuilder]: For program point L672-1(line 672) no Hoare annotation was computed. [2022-01-10 06:35:09,347 INFO L858 garLoopResultBuilder]: For program point L776-1(lines 776 782) no Hoare annotation was computed. [2022-01-10 06:35:09,347 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-01-10 06:35:09,348 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32)))) [2022-01-10 06:35:09,348 INFO L861 garLoopResultBuilder]: At program point L793(lines 789 795) the Hoare annotation is: true [2022-01-10 06:35:09,348 INFO L861 garLoopResultBuilder]: At program point L657(line 657) the Hoare annotation is: true [2022-01-10 06:35:09,348 INFO L858 garLoopResultBuilder]: For program point L657-1(line 657) no Hoare annotation was computed. [2022-01-10 06:35:09,348 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 684) no Hoare annotation was computed. [2022-01-10 06:35:09,348 INFO L858 garLoopResultBuilder]: For program point L769(lines 769 775) no Hoare annotation was computed. [2022-01-10 06:35:09,348 INFO L858 garLoopResultBuilder]: For program point L769-2(lines 765 787) no Hoare annotation was computed. [2022-01-10 06:35:09,348 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 687) no Hoare annotation was computed. [2022-01-10 06:35:09,348 INFO L861 garLoopResultBuilder]: At program point L670-1(lines 662 690) the Hoare annotation is: true [2022-01-10 06:35:09,348 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 762 788) the Hoare annotation is: true [2022-01-10 06:35:09,349 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 762 788) no Hoare annotation was computed. [2022-01-10 06:35:09,349 INFO L858 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2022-01-10 06:35:09,349 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2022-01-10 06:35:09,349 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 681) no Hoare annotation was computed. [2022-01-10 06:35:09,349 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 138 167) no Hoare annotation was computed. [2022-01-10 06:35:09,349 INFO L858 garLoopResultBuilder]: For program point L159(line 159) no Hoare annotation was computed. [2022-01-10 06:35:09,349 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 138 167) the Hoare annotation is: true [2022-01-10 06:35:09,349 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2022-01-10 06:35:09,349 INFO L861 garLoopResultBuilder]: At program point L152-1(lines 152 156) the Hoare annotation is: true [2022-01-10 06:35:09,349 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-01-10 06:35:09,350 INFO L861 garLoopResultBuilder]: At program point L148-2(lines 148 162) the Hoare annotation is: true [2022-01-10 06:35:09,350 INFO L861 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: true [2022-01-10 06:35:09,350 INFO L858 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2022-01-10 06:35:09,350 INFO L861 garLoopResultBuilder]: At program point L163(lines 138 167) the Hoare annotation is: true [2022-01-10 06:35:09,350 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2022-01-10 06:35:09,350 INFO L854 garLoopResultBuilder]: At program point L197(lines 193 199) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,350 INFO L858 garLoopResultBuilder]: For program point L226(lines 226 233) no Hoare annotation was computed. [2022-01-10 06:35:09,350 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 742) no Hoare annotation was computed. [2022-01-10 06:35:09,350 INFO L854 garLoopResultBuilder]: At program point L738-2(lines 732 743) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,351 INFO L858 garLoopResultBuilder]: For program point L226-2(lines 226 233) no Hoare annotation was computed. [2022-01-10 06:35:09,351 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:09,351 INFO L854 garLoopResultBuilder]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,351 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:09,351 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:09,351 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-01-10 06:35:09,351 INFO L861 garLoopResultBuilder]: At program point L210(lines 202 212) the Hoare annotation is: true [2022-01-10 06:35:09,351 INFO L858 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-01-10 06:35:09,351 INFO L861 garLoopResultBuilder]: At program point L751(lines 692 755) the Hoare annotation is: true [2022-01-10 06:35:09,351 INFO L861 garLoopResultBuilder]: At program point L235(lines 216 238) the Hoare annotation is: true [2022-01-10 06:35:09,352 INFO L854 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,352 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:09,352 INFO L854 garLoopResultBuilder]: At program point L748(lines 701 749) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,352 INFO L854 garLoopResultBuilder]: At program point L649(lines 644 651) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,352 INFO L858 garLoopResultBuilder]: For program point L703(lines 702 747) no Hoare annotation was computed. [2022-01-10 06:35:09,352 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 743) no Hoare annotation was computed. [2022-01-10 06:35:09,352 INFO L854 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,352 INFO L854 garLoopResultBuilder]: At program point L270(lines 265 273) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,352 INFO L854 garLoopResultBuilder]: At program point L745(lines 702 747) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,353 INFO L858 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2022-01-10 06:35:09,353 INFO L858 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2022-01-10 06:35:09,353 INFO L854 garLoopResultBuilder]: At program point L262(lines 258 264) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,353 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:35:09,372 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:35:09,373 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-01-10 06:35:09,373 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2022-01-10 06:35:09,373 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 823 831) the Hoare annotation is: true [2022-01-10 06:35:09,373 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 823 831) no Hoare annotation was computed. [2022-01-10 06:35:09,375 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 06:35:09,376 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:09,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:09 BoogieIcfgContainer [2022-01-10 06:35:09,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:09,385 INFO L158 Benchmark]: Toolchain (without parser) took 2395.45ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 138.9MB in the beginning and 205.2MB in the end (delta: -66.3MB). Peak memory consumption was 79.2MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,385 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:09,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.40ms. Allocated memory is still 189.8MB. Free memory was 138.8MB in the beginning and 151.8MB in the end (delta: -13.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.67ms. Allocated memory is still 189.8MB. Free memory was 151.8MB in the beginning and 149.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,385 INFO L158 Benchmark]: Boogie Preprocessor took 18.12ms. Allocated memory is still 189.8MB. Free memory was 149.7MB in the beginning and 148.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,386 INFO L158 Benchmark]: RCFGBuilder took 357.09ms. Allocated memory is still 189.8MB. Free memory was 148.1MB in the beginning and 132.9MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,386 INFO L158 Benchmark]: TraceAbstraction took 1584.15ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 132.4MB in the beginning and 205.2MB in the end (delta: -72.8MB). Peak memory consumption was 73.5MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 386.40ms. Allocated memory is still 189.8MB. Free memory was 138.8MB in the beginning and 151.8MB in the end (delta: -13.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.67ms. Allocated memory is still 189.8MB. Free memory was 151.8MB in the beginning and 149.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.12ms. Allocated memory is still 189.8MB. Free memory was 149.7MB in the beginning and 148.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 357.09ms. Allocated memory is still 189.8MB. Free memory was 148.1MB in the beginning and 132.9MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1584.15ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 132.4MB in the beginning and 205.2MB in the end (delta: -72.8MB). Peak memory consumption was 73.5MB. 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: 873]: 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 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 221 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 157 PreInvPairs, 185 NumberOfFragments, 106 HoareAnnotationTreeSize, 157 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 220 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 2 NumberOfNonLiveVariables, 489 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 251]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) || !(systemActive == 1bv32) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) || !(systemActive == 1bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:09,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...