/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:34:09,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:34:09,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:34:09,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:34:09,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:34:09,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:34:09,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:34:09,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:34:09,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:34:09,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:34:09,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:34:09,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:34:09,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:34:09,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:34:09,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:34:09,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:34:09,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:34:09,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:34:09,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:34:09,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:34:09,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:34:09,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:34:09,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:34:09,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:34:09,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:34:09,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:34:09,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:34:09,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:34:09,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:34:09,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:34:09,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:34:09,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:34:09,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:34:09,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:34:09,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:34:09,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:34:09,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:34:09,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:34:09,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:34:09,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:34:09,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:34:09,360 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 06:34:09,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:34:09,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:34:09,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:34:09,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:34:09,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:34:09,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:34:09,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:34:09,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:34:09,390 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:34:09,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:34:09,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:34:09,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:09,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:34:09,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:34:09,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:34:09,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:34:09,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:34:09,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:34:09,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:34:09,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:34:09,625 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:34:09,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c [2022-01-10 06:34:09,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b511130ea/f0b42b55787c4988aa084851dc5a228a/FLAG5747a5a14 [2022-01-10 06:34:10,125 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:34:10,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c [2022-01-10 06:34:10,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b511130ea/f0b42b55787c4988aa084851dc5a228a/FLAG5747a5a14 [2022-01-10 06:34:10,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b511130ea/f0b42b55787c4988aa084851dc5a228a [2022-01-10 06:34:10,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:34:10,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:34:10,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:10,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:34:10,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:34:10,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:10" (1/1) ... [2022-01-10 06:34:10,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662e80e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:10, skipping insertion in model container [2022-01-10 06:34:10,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:10" (1/1) ... [2022-01-10 06:34:10,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:34:10,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:10,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2022-01-10 06:34:10,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:10,925 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:34:10,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:10,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2022-01-10 06:34:10,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:10,996 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:34:11,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2022-01-10 06:34:11,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:11,083 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:34:11,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11 WrapperNode [2022-01-10 06:34:11,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:11,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:11,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:34:11,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:34:11,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,161 INFO L137 Inliner]: procedures = 59, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 269 [2022-01-10 06:34:11,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:11,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:34:11,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:34:11,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:34:11,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:34:11,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:34:11,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:34:11,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:34:11,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (1/1) ... [2022-01-10 06:34:11,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:11,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:34:11,249 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 06:34:11,251 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 06:34:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:34:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:34:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:34:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:34:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:34:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:34:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:34:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:34:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:34:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:34:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:34:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:34:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:34:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:34:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:34:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:34:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:34:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:34:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:34:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:34:11,383 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:34:11,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:34:11,748 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:34:11,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:34:11,755 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:34:11,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:11 BoogieIcfgContainer [2022-01-10 06:34:11,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:34:11,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:34:11,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:34:11,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:34:11,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:34:10" (1/3) ... [2022-01-10 06:34:11,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b1a47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:11, skipping insertion in model container [2022-01-10 06:34:11,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:11" (2/3) ... [2022-01-10 06:34:11,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b1a47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:11, skipping insertion in model container [2022-01-10 06:34:11,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:11" (3/3) ... [2022-01-10 06:34:11,777 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product59.cil.c [2022-01-10 06:34:11,782 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:34:11,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:34:11,825 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:34:11,830 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 06:34:11,831 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:34:11,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:34:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:34:11,861 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:11,862 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 06:34:11,862 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:11,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:11,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1192429989, now seen corresponding path program 1 times [2022-01-10 06:34:11,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:11,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379973269] [2022-01-10 06:34:11,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:11,898 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:11,914 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 06:34:11,973 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 06:34:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:12,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:34:12,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:12,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:12,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:12,169 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:12,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379973269] [2022-01-10 06:34:12,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379973269] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:12,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:12,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:34:12,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117578440] [2022-01-10 06:34:12,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:12,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:34:12,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:12,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:34:12,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:34:12,199 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:12,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:12,239 INFO L93 Difference]: Finished difference Result 192 states and 261 transitions. [2022-01-10 06:34:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:34:12,241 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 06:34:12,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:12,248 INFO L225 Difference]: With dead ends: 192 [2022-01-10 06:34:12,249 INFO L226 Difference]: Without dead ends: 91 [2022-01-10 06:34:12,252 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 06:34:12,255 INFO L933 BasicCegarLoop]: 127 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, 127 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 06:34:12,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-01-10 06:34:12,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-01-10 06:34:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.318840579710145) internal successors, (91), 77 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:34:12,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2022-01-10 06:34:12,303 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 25 [2022-01-10 06:34:12,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:12,303 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2022-01-10 06:34:12,304 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 06:34:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-01-10 06:34:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:34:12,307 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:12,308 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 06:34:12,316 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 06:34:12,514 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 06:34:12,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:12,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1057066551, now seen corresponding path program 1 times [2022-01-10 06:34:12,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:12,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403286454] [2022-01-10 06:34:12,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:12,518 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:12,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:12,528 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 06:34:12,530 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 06:34:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:12,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:12,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:12,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:12,702 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:12,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403286454] [2022-01-10 06:34:12,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403286454] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:12,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:12,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:12,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8128613] [2022-01-10 06:34:12,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:12,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:12,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:12,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:12,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:12,713 INFO L87 Difference]: Start difference. First operand 91 states and 118 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 06:34:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:12,732 INFO L93 Difference]: Finished difference Result 144 states and 186 transitions. [2022-01-10 06:34:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:12,735 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 06:34:12,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:12,737 INFO L225 Difference]: With dead ends: 144 [2022-01-10 06:34:12,737 INFO L226 Difference]: Without dead ends: 82 [2022-01-10 06:34:12,739 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 06:34:12,740 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 189 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 06:34:12,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:12,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-01-10 06:34:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-01-10 06:34:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 71 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:34:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-01-10 06:34:12,746 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 26 [2022-01-10 06:34:12,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:12,746 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-01-10 06:34:12,746 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 06:34:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-01-10 06:34:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:34:12,749 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:12,749 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 06:34:12,772 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 06:34:12,956 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 06:34:12,956 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:12,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:12,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1107205587, now seen corresponding path program 1 times [2022-01-10 06:34:12,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:12,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652184945] [2022-01-10 06:34:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:12,959 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:12,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:12,960 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 06:34:12,962 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 06:34:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:13,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:13,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:13,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:13,100 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:13,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1652184945] [2022-01-10 06:34:13,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1652184945] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:13,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:13,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:34:13,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238380331] [2022-01-10 06:34:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:13,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:13,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:13,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:13,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:13,102 INFO L87 Difference]: Start difference. First operand 82 states and 106 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 06:34:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:13,116 INFO L93 Difference]: Finished difference Result 231 states and 304 transitions. [2022-01-10 06:34:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:13,117 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 06:34:13,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:13,118 INFO L225 Difference]: With dead ends: 231 [2022-01-10 06:34:13,118 INFO L226 Difference]: Without dead ends: 156 [2022-01-10 06:34:13,118 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 06:34:13,119 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:13,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 228 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:13,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-01-10 06:34:13,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2022-01-10 06:34:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 116 states have (on average 1.353448275862069) internal successors, (157), 131 states have internal predecessors, (157), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-10 06:34:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 201 transitions. [2022-01-10 06:34:13,133 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 201 transitions. Word has length 30 [2022-01-10 06:34:13,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:13,133 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 201 transitions. [2022-01-10 06:34:13,133 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 06:34:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 201 transitions. [2022-01-10 06:34:13,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 06:34:13,134 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:13,134 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] [2022-01-10 06:34:13,143 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 06:34:13,341 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 06:34:13,342 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:13,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:13,342 INFO L85 PathProgramCache]: Analyzing trace with hash 915350115, now seen corresponding path program 1 times [2022-01-10 06:34:13,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:13,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071254758] [2022-01-10 06:34:13,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:13,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:13,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:13,344 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 06:34:13,346 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 06:34:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:13,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:13,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:13,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:13,456 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:13,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071254758] [2022-01-10 06:34:13,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071254758] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:13,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:13,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:13,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102290197] [2022-01-10 06:34:13,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:13,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:13,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:13,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:13,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:13,457 INFO L87 Difference]: Start difference. First operand 153 states and 201 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 06:34:13,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:13,501 INFO L93 Difference]: Finished difference Result 439 states and 594 transitions. [2022-01-10 06:34:13,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:13,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 34 [2022-01-10 06:34:13,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:13,503 INFO L225 Difference]: With dead ends: 439 [2022-01-10 06:34:13,503 INFO L226 Difference]: Without dead ends: 293 [2022-01-10 06:34:13,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:13,504 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 72 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:13,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 427 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:13,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-01-10 06:34:13,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 287. [2022-01-10 06:34:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 216 states have (on average 1.3333333333333333) internal successors, (288), 243 states have internal predecessors, (288), 44 states have call successors, (44), 28 states have call predecessors, (44), 26 states have return successors, (46), 28 states have call predecessors, (46), 44 states have call successors, (46) [2022-01-10 06:34:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 378 transitions. [2022-01-10 06:34:13,522 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 378 transitions. Word has length 34 [2022-01-10 06:34:13,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:13,522 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 378 transitions. [2022-01-10 06:34:13,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 06:34:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 378 transitions. [2022-01-10 06:34:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:34:13,524 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:13,524 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:13,555 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 06:34:13,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:13,730 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:13,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:13,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1706214601, now seen corresponding path program 1 times [2022-01-10 06:34:13,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:13,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066754775] [2022-01-10 06:34:13,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:13,731 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:13,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:13,732 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:13,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:34:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 06:34:13,780 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 06:34:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 06:34:13,830 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-01-10 06:34:13,830 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 06:34:13,831 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:34:13,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:14,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:14,044 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:34:14,045 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:34:14,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:14 BoogieIcfgContainer [2022-01-10 06:34:14,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:34:14,079 INFO L158 Benchmark]: Toolchain (without parser) took 3427.38ms. Allocated memory was 183.5MB in the beginning and 276.8MB in the end (delta: 93.3MB). Free memory was 127.3MB in the beginning and 116.4MB in the end (delta: 10.9MB). Peak memory consumption was 103.5MB. Max. memory is 8.0GB. [2022-01-10 06:34:14,079 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:14,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.28ms. Allocated memory was 183.5MB in the beginning and 276.8MB in the end (delta: 93.3MB). Free memory was 127.1MB in the beginning and 233.3MB in the end (delta: -106.2MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2022-01-10 06:34:14,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.64ms. Allocated memory is still 276.8MB. Free memory was 233.3MB in the beginning and 230.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:14,083 INFO L158 Benchmark]: Boogie Preprocessor took 41.46ms. Allocated memory is still 276.8MB. Free memory was 230.7MB in the beginning and 228.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:14,083 INFO L158 Benchmark]: RCFGBuilder took 552.58ms. Allocated memory is still 276.8MB. Free memory was 228.6MB in the beginning and 210.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:34:14,084 INFO L158 Benchmark]: TraceAbstraction took 2320.11ms. Allocated memory is still 276.8MB. Free memory was 210.2MB in the beginning and 116.4MB in the end (delta: 93.8MB). Peak memory consumption was 93.3MB. Max. memory is 8.0GB. [2022-01-10 06:34:14,085 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 183.5MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 431.28ms. Allocated memory was 183.5MB in the beginning and 276.8MB in the end (delta: 93.3MB). Free memory was 127.1MB in the beginning and 233.3MB in the end (delta: -106.2MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 77.64ms. Allocated memory is still 276.8MB. Free memory was 233.3MB in the beginning and 230.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.46ms. Allocated memory is still 276.8MB. Free memory was 230.7MB in the beginning and 228.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 552.58ms. Allocated memory is still 276.8MB. Free memory was 228.6MB in the beginning and 210.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2320.11ms. Allocated memory is still 276.8MB. Free memory was 210.2MB in the beginning and 116.4MB in the end (delta: 93.8MB). Peak memory consumption was 93.3MB. 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 - CounterExampleResult [Line: 704]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L527] int cleanupTimeShifts = 4; [L779] int pumpRunning = 0; [L780] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L655] int retValue_acc ; [L658] retValue_acc = 1 [L659] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L597] CALL test() [L711] int splverifierCounter ; [L712] int tmp ; [L713] int tmp___0 ; [L714] int tmp___1 ; [L715] int tmp___2 ; [L718] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L720] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L722] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L728] tmp = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, waterLevel=1] [L732] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L442] COND TRUE waterLevel < 2 [L443] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, waterLevel=2] [L738] tmp___0 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, waterLevel=2] [L748] tmp___2 = __VERIFIER_nondet_int() [L750] COND FALSE !(\read(tmp___2)) [L754] tmp___1 = __VERIFIER_nondet_int() [L756] COND TRUE \read(tmp___1) [L758] CALL stopSystem() [L997] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1004] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L758] RET stopSystem() [L765] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L786] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L793] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L801] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L673] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND TRUE tmp___0 == 2 [L683] CALL, EXPR isPumpRunning() [L911] int retValue_acc ; [L914] retValue_acc = pumpRunning [L915] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L683] RET, EXPR isPumpRunning() [L683] tmp___1 = isPumpRunning() [L685] COND FALSE !(\read(tmp___1)) [L689] CALL __automaton_fail() [L704] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 971 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 494 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 477 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 5 NumberOfNonLiveVariables, 624 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2022-01-10 06:34:14,125 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...