/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 00:04:59,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 00:04:59,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 00:04:59,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 00:04:59,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 00:04:59,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 00:04:59,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 00:04:59,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 00:04:59,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 00:04:59,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 00:04:59,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 00:04:59,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 00:04:59,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 00:04:59,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 00:04:59,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 00:04:59,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 00:04:59,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 00:04:59,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 00:04:59,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 00:04:59,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 00:04:59,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 00:04:59,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 00:04:59,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 00:04:59,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 00:04:59,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 00:04:59,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 00:04:59,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 00:04:59,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 00:04:59,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 00:04:59,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 00:04:59,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 00:04:59,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 00:04:59,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 00:04:59,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 00:04:59,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 00:04:59,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 00:04:59,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 00:04:59,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 00:04:59,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 00:04:59,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 00:04:59,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 00:04:59,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-11 00:04:59,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 00:04:59,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 00:04:59,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 00:04:59,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 00:04:59,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 00:04:59,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 00:04:59,946 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 00:04:59,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 00:04:59,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 00:04:59,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:04:59,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 00:04:59,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 00:04:59,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 00:04:59,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 00:04:59,949 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 00:04:59,949 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 00:05:00,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 00:05:00,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 00:05:00,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 00:05:00,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 00:05:00,152 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 00:05:00,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product28.cil.c [2022-01-11 00:05:00,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2305979df/65c05b3dada64d4d804536a14f667912/FLAG926d76e1c [2022-01-11 00:05:00,610 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 00:05:00,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product28.cil.c [2022-01-11 00:05:00,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2305979df/65c05b3dada64d4d804536a14f667912/FLAG926d76e1c [2022-01-11 00:05:00,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2305979df/65c05b3dada64d4d804536a14f667912 [2022-01-11 00:05:00,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 00:05:00,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 00:05:00,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 00:05:00,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 00:05:00,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 00:05:00,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436e4db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00, skipping insertion in model container [2022-01-11 00:05:00,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 00:05:00,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:05:00,911 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_product28.cil.c[8048,8061] [2022-01-11 00:05:00,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:00,973 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 00:05:00,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:05:00,992 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_product28.cil.c[8048,8061] [2022-01-11 00:05:01,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:01,010 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 00:05:01,029 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_product28.cil.c[8048,8061] [2022-01-11 00:05:01,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:01,072 INFO L208 MainTranslator]: Completed translation [2022-01-11 00:05:01,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01 WrapperNode [2022-01-11 00:05:01,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 00:05:01,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 00:05:01,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 00:05:01,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 00:05:01,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,160 INFO L137 Inliner]: procedures = 57, calls = 155, calls flagged for inlining = 52, calls inlined = 53, statements flattened = 420 [2022-01-11 00:05:01,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 00:05:01,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 00:05:01,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 00:05:01,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 00:05:01,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 00:05:01,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 00:05:01,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 00:05:01,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 00:05:01,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:05:01,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 00:05:01,239 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) [2022-01-11 00:05:01,246 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 [2022-01-11 00:05:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 00:05:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 00:05:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 00:05:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 00:05:01,366 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 00:05:01,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 00:05:01,709 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 00:05:01,714 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 00:05:01,714 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 00:05:01,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:01 BoogieIcfgContainer [2022-01-11 00:05:01,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 00:05:01,716 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 00:05:01,716 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 00:05:01,717 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 00:05:01,719 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:01" (1/1) ... [2022-01-11 00:05:01,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:05:01 BasicIcfg [2022-01-11 00:05:01,795 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 00:05:01,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 00:05:01,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 00:05:01,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 00:05:01,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 12:05:00" (1/4) ... [2022-01-11 00:05:01,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df4efca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:05:01, skipping insertion in model container [2022-01-11 00:05:01,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:01" (2/4) ... [2022-01-11 00:05:01,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df4efca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:05:01, skipping insertion in model container [2022-01-11 00:05:01,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:01" (3/4) ... [2022-01-11 00:05:01,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df4efca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:05:01, skipping insertion in model container [2022-01-11 00:05:01,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:05:01" (4/4) ... [2022-01-11 00:05:01,800 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28.cil.cTransformedIcfg [2022-01-11 00:05:01,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 00:05:01,804 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-11 00:05:01,837 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 00:05:01,843 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 [2022-01-11 00:05:01,843 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-11 00:05:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 112 states have (on average 1.3928571428571428) internal successors, (156), 115 states have internal predecessors, (156), 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) [2022-01-11 00:05:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-11 00:05:01,864 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:01,864 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 00:05:01,865 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:01,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash -357306398, now seen corresponding path program 1 times [2022-01-11 00:05:01,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:01,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414488920] [2022-01-11 00:05:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:01,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 00:05:02,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:02,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414488920] [2022-01-11 00:05:02,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414488920] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:02,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:02,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:02,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036814152] [2022-01-11 00:05:02,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:02,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 00:05:02,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:02,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 00:05:02,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 00:05:02,096 INFO L87 Difference]: Start difference. First operand has 116 states, 112 states have (on average 1.3928571428571428) internal successors, (156), 115 states have internal predecessors, (156), 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) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-01-11 00:05:02,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:02,134 INFO L93 Difference]: Finished difference Result 222 states and 301 transitions. [2022-01-11 00:05:02,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 00:05:02,135 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) Word has length 19 [2022-01-11 00:05:02,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:02,141 INFO L225 Difference]: With dead ends: 222 [2022-01-11 00:05:02,141 INFO L226 Difference]: Without dead ends: 106 [2022-01-11 00:05:02,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 00:05:02,146 INFO L933 BasicCegarLoop]: 146 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, 146 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 [2022-01-11 00:05:02,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:02,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-01-11 00:05:02,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-01-11 00:05:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 105 states have internal predecessors, (138), 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) [2022-01-11 00:05:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 138 transitions. [2022-01-11 00:05:02,170 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 138 transitions. Word has length 19 [2022-01-11 00:05:02,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:02,171 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 138 transitions. [2022-01-11 00:05:02,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-01-11 00:05:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 138 transitions. [2022-01-11 00:05:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 00:05:02,172 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:02,172 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] [2022-01-11 00:05:02,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 00:05:02,172 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:02,173 INFO L85 PathProgramCache]: Analyzing trace with hash 262332937, now seen corresponding path program 1 times [2022-01-11 00:05:02,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:02,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023579632] [2022-01-11 00:05:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:02,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 00:05:02,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:02,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023579632] [2022-01-11 00:05:02,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023579632] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:02,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:02,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:02,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422918384] [2022-01-11 00:05:02,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:02,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 00:05:02,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:02,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 00:05:02,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:05:02,236 INFO L87 Difference]: Start difference. First operand 106 states and 138 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2022-01-11 00:05:02,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:02,263 INFO L93 Difference]: Finished difference Result 272 states and 359 transitions. [2022-01-11 00:05:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 00:05:02,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) Word has length 20 [2022-01-11 00:05:02,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:02,264 INFO L225 Difference]: With dead ends: 272 [2022-01-11 00:05:02,265 INFO L226 Difference]: Without dead ends: 173 [2022-01-11 00:05:02,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:05:02,266 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 121 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 00:05:02,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 218 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:02,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-01-11 00:05:02,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 164. [2022-01-11 00:05:02,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 161 states have (on average 1.3540372670807452) internal successors, (218), 163 states have internal predecessors, (218), 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) [2022-01-11 00:05:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 218 transitions. [2022-01-11 00:05:02,278 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 218 transitions. Word has length 20 [2022-01-11 00:05:02,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:02,280 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 218 transitions. [2022-01-11 00:05:02,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2022-01-11 00:05:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2022-01-11 00:05:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-11 00:05:02,281 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:02,282 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 00:05:02,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 00:05:02,282 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:02,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:02,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2079370255, now seen corresponding path program 1 times [2022-01-11 00:05:02,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:02,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386977502] [2022-01-11 00:05:02,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:02,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 00:05:02,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:02,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386977502] [2022-01-11 00:05:02,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386977502] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:02,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:02,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 00:05:02,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815327515] [2022-01-11 00:05:02,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:02,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 00:05:02,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:02,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 00:05:02,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 00:05:02,397 INFO L87 Difference]: Start difference. First operand 164 states and 218 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-01-11 00:05:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:02,608 INFO L93 Difference]: Finished difference Result 866 states and 1171 transitions. [2022-01-11 00:05:02,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 00:05:02,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 23 [2022-01-11 00:05:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:02,614 INFO L225 Difference]: With dead ends: 866 [2022-01-11 00:05:02,614 INFO L226 Difference]: Without dead ends: 511 [2022-01-11 00:05:02,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-11 00:05:02,617 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 583 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 00:05:02,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [583 Valid, 758 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 00:05:02,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-01-11 00:05:02,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 227. [2022-01-11 00:05:02,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 224 states have (on average 1.3482142857142858) internal successors, (302), 226 states have internal predecessors, (302), 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) [2022-01-11 00:05:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 302 transitions. [2022-01-11 00:05:02,647 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 302 transitions. Word has length 23 [2022-01-11 00:05:02,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:02,647 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 302 transitions. [2022-01-11 00:05:02,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-01-11 00:05:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 302 transitions. [2022-01-11 00:05:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-11 00:05:02,648 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:02,648 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] [2022-01-11 00:05:02,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 00:05:02,648 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:02,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash 918552689, now seen corresponding path program 1 times [2022-01-11 00:05:02,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:02,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119462083] [2022-01-11 00:05:02,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:02,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:05:02,701 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 00:05:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:05:02,753 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 00:05:02,753 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 00:05:02,754 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-11 00:05:02,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-11 00:05:02,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-11 00:05:02,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 00:05:02,758 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-11 00:05:02,762 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 00:05:02,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:05:02 BasicIcfg [2022-01-11 00:05:02,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 00:05:02,840 INFO L158 Benchmark]: Toolchain (without parser) took 2198.50ms. Allocated memory was 199.2MB in the beginning and 293.6MB in the end (delta: 94.4MB). Free memory was 144.7MB in the beginning and 215.5MB in the end (delta: -70.8MB). Peak memory consumption was 24.0MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,840 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 199.2MB. Free memory is still 162.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 00:05:02,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.31ms. Allocated memory was 199.2MB in the beginning and 293.6MB in the end (delta: 94.4MB). Free memory was 144.5MB in the beginning and 253.7MB in the end (delta: -109.2MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.08ms. Allocated memory is still 293.6MB. Free memory was 253.7MB in the beginning and 250.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,842 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 293.6MB. Free memory was 250.9MB in the beginning and 248.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,843 INFO L158 Benchmark]: RCFGBuilder took 521.54ms. Allocated memory is still 293.6MB. Free memory was 248.8MB in the beginning and 229.6MB in the end (delta: 19.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,843 INFO L158 Benchmark]: IcfgTransformer took 79.23ms. Allocated memory is still 293.6MB. Free memory was 229.2MB in the beginning and 222.3MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,843 INFO L158 Benchmark]: TraceAbstraction took 1042.66ms. Allocated memory is still 293.6MB. Free memory was 221.9MB in the beginning and 215.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.6MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 199.2MB. Free memory is still 162.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.31ms. Allocated memory was 199.2MB in the beginning and 293.6MB in the end (delta: 94.4MB). Free memory was 144.5MB in the beginning and 253.7MB in the end (delta: -109.2MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 88.08ms. Allocated memory is still 293.6MB. Free memory was 253.7MB in the beginning and 250.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 293.6MB. Free memory was 250.9MB in the beginning and 248.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 521.54ms. Allocated memory is still 293.6MB. Free memory was 248.8MB in the beginning and 229.6MB in the end (delta: 19.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * IcfgTransformer took 79.23ms. Allocated memory is still 293.6MB. Free memory was 229.2MB in the beginning and 222.3MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1042.66ms. Allocated memory is still 293.6MB. Free memory was 221.9MB in the beginning and 215.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.6MB. 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: 555]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L99] int pumpRunning = 0; [L100] int systemActive = 1; [L366] int waterLevel = 1; [L367] int methaneLevelCritical = 0; [L455] int cleanupTimeShifts = 4; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] int retValue_acc ; [L529] int tmp ; [L533] FCALL select_helpers() [L534] FCALL select_features() [L535] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L535] RET, EXPR valid_product() [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) [L539] FCALL setup() [L540] CALL runTest() [L522] CALL test() [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L306] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L308] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L314] tmp = __VERIFIER_nondet_int() [L316] COND TRUE \read(tmp) [L318] CALL waterRise() [L384] COND TRUE waterLevel < 2 [L385] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L318] RET waterRise() [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___2) [L338] CALL startSystem() [L288] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L338] RET startSystem() [L353] CALL timeShift() [L107] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] COND TRUE \read(systemActive) [L116] CALL processEnvironment() [L136] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L139] COND FALSE !(\read(pumpRunning)) [L154] FCALL processEnvironment__wrappee__base() [L116] RET processEnvironment() [L122] CALL __utac_acc__Specification3_spec__1() [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L567] CALL, EXPR isMethaneLevelCritical() [L405] int retValue_acc ; [L408] retValue_acc = methaneLevelCritical [L409] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L567] RET, EXPR isMethaneLevelCritical() [L567] tmp = isMethaneLevelCritical() [L569] COND FALSE !(\read(tmp)) [L573] CALL, EXPR getWaterLevel() [L437] int retValue_acc ; [L440] retValue_acc = waterLevel [L441] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L573] RET, EXPR getWaterLevel() [L573] tmp___0 = getWaterLevel() [L575] COND TRUE tmp___0 == 2 [L577] CALL, EXPR isPumpRunning() [L206] int retValue_acc ; [L209] retValue_acc = pumpRunning [L210] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L577] RET, EXPR isPumpRunning() [L577] tmp___1 = isPumpRunning() [L579] COND FALSE !(\read(tmp___1)) [L583] CALL __automaton_fail() [L555] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 555]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 704 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 704 mSDsluCounter, 1122 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 625 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 497 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 293 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-01-11 00:05:02,877 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...