/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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:39,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:39,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:39,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:39,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:39,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:39,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:39,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:39,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:39,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:39,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:39,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:39,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:39,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:39,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:39,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:39,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:39,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:39,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:39,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:39,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:39,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:39,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:39,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:39,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:39,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:39,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:39,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:39,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:39,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:39,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:39,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:39,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:39,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:39,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:39,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:39,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:39,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:39,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:39,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:39,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:39,310 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 06:32:39,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:39,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:39,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:39,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:39,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:39,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:39,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:39,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:39,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:39,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:39,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:39,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:39,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:39,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:39,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:39,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:39,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:39,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:39,551 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:39,553 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:39,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2022-01-10 06:32:39,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f27586f/80cf0a01775f44afa187133de2a8a424/FLAG4843e83a8 [2022-01-10 06:32:40,080 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:40,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2022-01-10 06:32:40,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f27586f/80cf0a01775f44afa187133de2a8a424/FLAG4843e83a8 [2022-01-10 06:32:40,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f27586f/80cf0a01775f44afa187133de2a8a424 [2022-01-10 06:32:40,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:40,641 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:40,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:40,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:40,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:40,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:40" (1/1) ... [2022-01-10 06:32:40,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6bbe30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:40, skipping insertion in model container [2022-01-10 06:32:40,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:40" (1/1) ... [2022-01-10 06:32:40,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:40,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:40,963 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_product01.cil.c[17118,17131] [2022-01-10 06:32:40,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:40,975 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:40,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:41,022 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_product01.cil.c[17118,17131] [2022-01-10 06:32:41,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:41,026 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:41,064 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_product01.cil.c[17118,17131] [2022-01-10 06:32:41,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:41,077 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:41,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41 WrapperNode [2022-01-10 06:32:41,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:41,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:41,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:41,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:41,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,113 INFO L137 Inliner]: procedures = 52, calls = 145, calls flagged for inlining = 17, calls inlined = 14, statements flattened = 181 [2022-01-10 06:32:41,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:41,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:41,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:41,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:41,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:41,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:41,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:41,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:41,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (1/1) ... [2022-01-10 06:32:41,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:41,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:41,172 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 06:32:41,175 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 06:32:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:41,244 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:41,245 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:41,426 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:41,432 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:41,433 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:41,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:41 BoogieIcfgContainer [2022-01-10 06:32:41,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:41,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:41,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:41,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:41,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:40" (1/3) ... [2022-01-10 06:32:41,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d82395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:41, skipping insertion in model container [2022-01-10 06:32:41,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:41" (2/3) ... [2022-01-10 06:32:41,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d82395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:41, skipping insertion in model container [2022-01-10 06:32:41,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:41" (3/3) ... [2022-01-10 06:32:41,440 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2022-01-10 06:32:41,444 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:41,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:41,478 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:41,483 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 06:32:41,483 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:32:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:32:41,500 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:41,500 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 06:32:41,500 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:41,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:41,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1102119958, now seen corresponding path program 1 times [2022-01-10 06:32:41,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:41,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957769053] [2022-01-10 06:32:41,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:41,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:41,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:41,516 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 06:32:41,517 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 06:32:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:41,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:41,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:41,646 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 06:32:41,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:41,646 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:41,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957769053] [2022-01-10 06:32:41,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957769053] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:41,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:41,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:41,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883678698] [2022-01-10 06:32:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:41,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:41,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:41,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:41,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:41,670 INFO L87 Difference]: Start difference. First operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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 06:32:41,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:41,686 INFO L93 Difference]: Finished difference Result 119 states and 162 transitions. [2022-01-10 06:32:41,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:41,687 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 06:32:41,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:41,692 INFO L225 Difference]: With dead ends: 119 [2022-01-10 06:32:41,692 INFO L226 Difference]: Without dead ends: 55 [2022-01-10 06:32:41,694 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 06:32:41,696 INFO L933 BasicCegarLoop]: 78 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, 78 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 06:32:41,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:41,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-01-10 06:32:41,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-01-10 06:32:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-10 06:32:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-01-10 06:32:41,734 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 25 [2022-01-10 06:32:41,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:41,735 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-01-10 06:32:41,735 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 06:32:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-01-10 06:32:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:32:41,740 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:41,740 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 06:32:41,767 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 06:32:41,947 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 06:32:41,948 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:41,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:41,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1634324626, now seen corresponding path program 1 times [2022-01-10 06:32:41,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:41,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737387241] [2022-01-10 06:32:41,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:41,955 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:41,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:41,957 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 06:32:41,960 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 06:32:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:42,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:42,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:42,142 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 06:32:42,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:42,143 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:42,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737387241] [2022-01-10 06:32:42,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [737387241] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:42,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:42,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:42,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108459251] [2022-01-10 06:32:42,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:42,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:42,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:42,145 INFO L87 Difference]: Start difference. First operand 55 states and 69 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 06:32:42,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:42,154 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2022-01-10 06:32:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:42,156 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 06:32:42,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:42,157 INFO L225 Difference]: With dead ends: 75 [2022-01-10 06:32:42,157 INFO L226 Difference]: Without dead ends: 46 [2022-01-10 06:32:42,157 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 06:32:42,158 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 12 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 96 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 06:32:42,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:42,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-01-10 06:32:42,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-01-10 06:32:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 40 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-10 06:32:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2022-01-10 06:32:42,163 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 26 [2022-01-10 06:32:42,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:42,163 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2022-01-10 06:32:42,163 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 06:32:42,163 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-01-10 06:32:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:32:42,164 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:42,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:42,174 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 06:32:42,374 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 06:32:42,375 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:42,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash -94218303, now seen corresponding path program 1 times [2022-01-10 06:32:42,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:42,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913327711] [2022-01-10 06:32:42,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:42,380 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:42,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:42,390 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 06:32:42,392 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 06:32:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:42,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:42,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:42,558 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 06:32:42,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:42,558 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:42,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913327711] [2022-01-10 06:32:42,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913327711] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:42,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:42,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:42,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704650734] [2022-01-10 06:32:42,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:42,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:42,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:42,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:42,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:42,564 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:42,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:42,598 INFO L93 Difference]: Finished difference Result 84 states and 107 transitions. [2022-01-10 06:32:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:42,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-01-10 06:32:42,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:42,601 INFO L225 Difference]: With dead ends: 84 [2022-01-10 06:32:42,601 INFO L226 Difference]: Without dead ends: 46 [2022-01-10 06:32:42,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:42,603 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 55 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 06:32:42,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:42,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-01-10 06:32:42,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-01-10 06:32:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 40 states have internal predecessors, (48), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-10 06:32:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-01-10 06:32:42,610 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 30 [2022-01-10 06:32:42,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:42,611 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-01-10 06:32:42,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-01-10 06:32:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:32:42,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:42,614 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 06:32:42,620 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 06:32:42,820 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 06:32:42,821 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:42,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:42,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1295641576, now seen corresponding path program 1 times [2022-01-10 06:32:42,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:42,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553384630] [2022-01-10 06:32:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:42,822 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:42,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:42,823 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 06:32:42,825 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 06:32:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:42,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:42,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:43,004 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 06:32:43,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:43,005 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:43,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553384630] [2022-01-10 06:32:43,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553384630] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:43,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:43,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:43,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20849012] [2022-01-10 06:32:43,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:43,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:43,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:43,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:43,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:43,006 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 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 06:32:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:43,096 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2022-01-10 06:32:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:43,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 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 06:32:43,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:43,099 INFO L225 Difference]: With dead ends: 120 [2022-01-10 06:32:43,099 INFO L226 Difference]: Without dead ends: 82 [2022-01-10 06:32:43,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 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 06:32:43,100 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 27 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:43,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 247 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:43,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-01-10 06:32:43,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2022-01-10 06:32:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 67 states have internal predecessors, (80), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-01-10 06:32:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2022-01-10 06:32:43,115 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 31 [2022-01-10 06:32:43,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:43,115 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-01-10 06:32:43,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 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 06:32:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2022-01-10 06:32:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 06:32:43,116 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:43,116 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] [2022-01-10 06:32:43,129 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 06:32:43,322 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 06:32:43,323 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:43,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:43,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1694659596, now seen corresponding path program 1 times [2022-01-10 06:32:43,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:43,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708726329] [2022-01-10 06:32:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:43,324 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:43,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:43,325 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 06:32:43,327 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 06:32:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:43,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:32:43,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:43,430 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 06:32:43,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:43,430 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:43,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708726329] [2022-01-10 06:32:43,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708726329] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:43,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:43,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:43,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926052035] [2022-01-10 06:32:43,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:43,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:32:43,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:43,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:32:43,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:32:43,432 INFO L87 Difference]: Start difference. First operand 79 states and 97 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 06:32:43,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:43,481 INFO L93 Difference]: Finished difference Result 146 states and 182 transitions. [2022-01-10 06:32:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:32:43,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 35 [2022-01-10 06:32:43,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:43,482 INFO L225 Difference]: With dead ends: 146 [2022-01-10 06:32:43,482 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:43,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 06:32:43,483 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 45 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:43,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 136 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:43,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:43,484 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 06:32:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:43,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-01-10 06:32:43,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:43,484 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:43,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 06:32:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:43,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:43,487 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:43,496 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 06:32:43,694 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 06:32:43,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:43,910 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 803 814) 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 06:32:43,911 INFO L858 garLoopResultBuilder]: For program point L807-1(lines 803 814) no Hoare annotation was computed. [2022-01-10 06:32:43,911 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 803 814) no Hoare annotation was computed. [2022-01-10 06:32:43,911 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 273 302) no Hoare annotation was computed. [2022-01-10 06:32:43,911 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2022-01-10 06:32:43,911 INFO L861 garLoopResultBuilder]: At program point L287-1(lines 287 291) the Hoare annotation is: true [2022-01-10 06:32:43,911 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 273 302) the Hoare annotation is: true [2022-01-10 06:32:43,911 INFO L858 garLoopResultBuilder]: For program point L284(line 284) no Hoare annotation was computed. [2022-01-10 06:32:43,911 INFO L861 garLoopResultBuilder]: At program point L283-2(lines 283 297) the Hoare annotation is: true [2022-01-10 06:32:43,911 INFO L861 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: true [2022-01-10 06:32:43,911 INFO L858 garLoopResultBuilder]: For program point L279-1(line 279) no Hoare annotation was computed. [2022-01-10 06:32:43,911 INFO L861 garLoopResultBuilder]: At program point L298(lines 273 302) the Hoare annotation is: true [2022-01-10 06:32:43,911 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 815 823) the Hoare annotation is: true [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 815 823) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 815 823) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 65 84) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point L861(line 861) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point L783(lines 783 787) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L854 garLoopResultBuilder]: At program point L783-2(lines 779 790) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32)))) [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 62 85) no Hoare annotation was computed. [2022-01-10 06:32:43,912 INFO L854 garLoopResultBuilder]: At program point L862(lines 857 864) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32)))) [2022-01-10 06:32:43,913 INFO L854 garLoopResultBuilder]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))))) [2022-01-10 06:32:43,913 INFO L861 garLoopResultBuilder]: At program point L90(lines 86 92) the Hoare annotation is: true [2022-01-10 06:32:43,913 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 62 85) the Hoare annotation is: true [2022-01-10 06:32:43,913 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 62 85) no Hoare annotation was computed. [2022-01-10 06:32:43,913 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 861) no Hoare annotation was computed. [2022-01-10 06:32:43,913 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2022-01-10 06:32:43,913 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-01-10 06:32:43,913 INFO L854 garLoopResultBuilder]: At program point L388-1(lines 380 408) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32))) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~2#1| (_ bv0 32)) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) [2022-01-10 06:32:43,913 INFO L861 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-01-10 06:32:43,913 INFO L854 garLoopResultBuilder]: At program point L225(lines 178 226) the Hoare annotation is: false [2022-01-10 06:32:43,914 INFO L858 garLoopResultBuilder]: For program point L180(lines 179 224) no Hoare annotation was computed. [2022-01-10 06:32:43,914 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 220) no Hoare annotation was computed. [2022-01-10 06:32:43,914 INFO L854 garLoopResultBuilder]: At program point L267(lines 262 270) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,914 INFO L854 garLoopResultBuilder]: At program point L201(line 201) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,914 INFO L854 garLoopResultBuilder]: At program point L259(lines 255 261) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,914 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:43,914 INFO L854 garLoopResultBuilder]: At program point L222(lines 179 224) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,914 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:43,914 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2022-01-10 06:32:43,914 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:43,914 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 189 195) no Hoare annotation was computed. [2022-01-10 06:32:43,914 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 185) no Hoare annotation was computed. [2022-01-10 06:32:43,915 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:43,915 INFO L854 garLoopResultBuilder]: At program point L252(lines 248 254) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,915 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2022-01-10 06:32:43,915 INFO L861 garLoopResultBuilder]: At program point L343(lines 335 345) the Hoare annotation is: true [2022-01-10 06:32:43,915 INFO L854 garLoopResultBuilder]: At program point L215-2(lines 209 220) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,915 INFO L854 garLoopResultBuilder]: At program point L331(lines 327 333) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,915 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 205) no Hoare annotation was computed. [2022-01-10 06:32:43,915 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 199 205) no Hoare annotation was computed. [2022-01-10 06:32:43,915 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 363) no Hoare annotation was computed. [2022-01-10 06:32:43,915 INFO L861 garLoopResultBuilder]: At program point L228(lines 169 232) the Hoare annotation is: true [2022-01-10 06:32:43,915 INFO L858 garLoopResultBuilder]: For program point L356-2(lines 356 363) no Hoare annotation was computed. [2022-01-10 06:32:43,915 INFO L854 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,916 INFO L854 garLoopResultBuilder]: At program point L377(lines 372 379) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:43,916 INFO L861 garLoopResultBuilder]: At program point L365(lines 346 368) the Hoare annotation is: true [2022-01-10 06:32:43,916 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 791 802) no Hoare annotation was computed. [2022-01-10 06:32:43,916 INFO L858 garLoopResultBuilder]: For program point L795-1(lines 791 802) no Hoare annotation was computed. [2022-01-10 06:32:43,916 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 791 802) the Hoare annotation is: true [2022-01-10 06:32:43,918 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:32:43,919 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:43,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:43 BoogieIcfgContainer [2022-01-10 06:32:43,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:43,946 INFO L158 Benchmark]: Toolchain (without parser) took 3304.83ms. Allocated memory was 168.8MB in the beginning and 208.7MB in the end (delta: 39.8MB). Free memory was 116.6MB in the beginning and 166.2MB in the end (delta: -49.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:43,946 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 168.8MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:43,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.14ms. Allocated memory was 168.8MB in the beginning and 208.7MB in the end (delta: 39.8MB). Free memory was 116.5MB in the beginning and 171.6MB in the end (delta: -55.1MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-01-10 06:32:43,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.81ms. Allocated memory is still 208.7MB. Free memory was 171.6MB in the beginning and 169.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:43,947 INFO L158 Benchmark]: Boogie Preprocessor took 29.49ms. Allocated memory is still 208.7MB. Free memory was 169.5MB in the beginning and 167.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:43,947 INFO L158 Benchmark]: RCFGBuilder took 290.84ms. Allocated memory is still 208.7MB. Free memory was 167.9MB in the beginning and 151.7MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 06:32:43,947 INFO L158 Benchmark]: TraceAbstraction took 2510.30ms. Allocated memory is still 208.7MB. Free memory was 151.1MB in the beginning and 166.2MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:43,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 168.8MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 423.14ms. Allocated memory was 168.8MB in the beginning and 208.7MB in the end (delta: 39.8MB). Free memory was 116.5MB in the beginning and 171.6MB in the end (delta: -55.1MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.81ms. Allocated memory is still 208.7MB. Free memory was 171.6MB in the beginning and 169.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.49ms. Allocated memory is still 208.7MB. Free memory was 169.5MB in the beginning and 167.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 290.84ms. Allocated memory is still 208.7MB. Free memory was 167.9MB in the beginning and 151.7MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2510.30ms. Allocated memory is still 208.7MB. Free memory was 151.1MB in the beginning and 166.2MB in the end (delta: -15.1MB). There was no memory consumed. 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: 861]: 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, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 612 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 319 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 293 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 122 PreInvPairs, 142 NumberOfFragments, 180 HoareAnnotationTreeSize, 122 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 350 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 6 NumberOfNonLiveVariables, 778 ConjunctsInSsa, 16 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: 857]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) || !(systemActive == 1bv32) - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: ((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || tmp == 0bv32) || !(methaneLevelCritical == 0bv32) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || \result == 0bv32) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) || !(systemActive == 1bv32) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:44,013 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...