/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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 00:04:42,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 00:04:43,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 00:04:43,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 00:04:43,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 00:04:43,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 00:04:43,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 00:04:43,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 00:04:43,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 00:04:43,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 00:04:43,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 00:04:43,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 00:04:43,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 00:04:43,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 00:04:43,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 00:04:43,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 00:04:43,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 00:04:43,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 00:04:43,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 00:04:43,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 00:04:43,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 00:04:43,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 00:04:43,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 00:04:43,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 00:04:43,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 00:04:43,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 00:04:43,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 00:04:43,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 00:04:43,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 00:04:43,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 00:04:43,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 00:04:43,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 00:04:43,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 00:04:43,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 00:04:43,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 00:04:43,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 00:04:43,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 00:04:43,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 00:04:43,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 00:04:43,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 00:04:43,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 00:04:43,092 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 00:04:43,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 00:04:43,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 00:04:43,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 00:04:43,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 00:04:43,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 00:04:43,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 00:04:43,112 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 00:04:43,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 00:04:43,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 00:04:43,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 00:04:43,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 00:04:43,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 00:04:43,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 00:04:43,113 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 00:04:43,113 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 00:04:43,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 00:04:43,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 00:04:43,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 00:04:43,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 00:04:43,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 00:04:43,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 00:04:43,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:04:43,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 00:04:43,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 00:04:43,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 00:04:43,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 00:04:43,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 00:04:43,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 00:04:43,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 00:04:43,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 00:04:43,116 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 00:04:43,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 00:04:43,117 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 00:04:43,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 00:04:43,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 00:04:43,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 00:04:43,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 00:04:43,295 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 00:04:43,295 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 00:04:43,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2022-01-11 00:04:43,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3993f1b0/c20dd6c683e444ee90176849ae3c7e33/FLAG1bef49c31 [2022-01-11 00:04:43,767 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 00:04:43,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2022-01-11 00:04:43,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3993f1b0/c20dd6c683e444ee90176849ae3c7e33/FLAG1bef49c31 [2022-01-11 00:04:43,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3993f1b0/c20dd6c683e444ee90176849ae3c7e33 [2022-01-11 00:04:43,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 00:04:43,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 00:04:43,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 00:04:43,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 00:04:43,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 00:04:43,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:04:43" (1/1) ... [2022-01-11 00:04:43,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ff2819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:43, skipping insertion in model container [2022-01-11 00:04:43,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:04:43" (1/1) ... [2022-01-11 00:04:43,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 00:04:43,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:04:44,099 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_product08.cil.c[13019,13032] [2022-01-11 00:04:44,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:04:44,146 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 00:04:44,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:04:44,195 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_product08.cil.c[13019,13032] [2022-01-11 00:04:44,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:04:44,226 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 00:04:44,269 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_product08.cil.c[13019,13032] [2022-01-11 00:04:44,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:04:44,300 INFO L208 MainTranslator]: Completed translation [2022-01-11 00:04:44,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44 WrapperNode [2022-01-11 00:04:44,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 00:04:44,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 00:04:44,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 00:04:44,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 00:04:44,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,356 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 49, calls inlined = 53, statements flattened = 402 [2022-01-11 00:04:44,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 00:04:44,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 00:04:44,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 00:04:44,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 00:04:44,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 00:04:44,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 00:04:44,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 00:04:44,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 00:04:44,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:04:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 00:04:44,431 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 00:04:44,451 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 00:04:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 00:04:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 00:04:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 00:04:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 00:04:44,534 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 00:04:44,535 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 00:04:44,851 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 00:04:44,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 00:04:44,856 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 00:04:44,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:04:44 BoogieIcfgContainer [2022-01-11 00:04:44,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 00:04:44,858 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 00:04:44,858 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 00:04:44,861 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 00:04:44,863 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:04:44" (1/1) ... [2022-01-11 00:04:44,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:04:44 BasicIcfg [2022-01-11 00:04:44,952 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 00:04:44,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 00:04:44,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 00:04:44,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 00:04:44,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 12:04:43" (1/4) ... [2022-01-11 00:04:44,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af8fd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:04:44, skipping insertion in model container [2022-01-11 00:04:44,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:44" (2/4) ... [2022-01-11 00:04:44,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af8fd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:04:44, skipping insertion in model container [2022-01-11 00:04:44,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:04:44" (3/4) ... [2022-01-11 00:04:44,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af8fd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:04:44, skipping insertion in model container [2022-01-11 00:04:44,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:04:44" (4/4) ... [2022-01-11 00:04:44,957 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.cTransformedIcfg [2022-01-11 00:04:44,961 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 00:04:44,961 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-11 00:04:44,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 00:04:45,003 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 00:04:45,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-11 00:04:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 106 states have (on average 1.3867924528301887) internal successors, (147), 109 states have internal predecessors, (147), 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 00:04:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-11 00:04:45,018 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:04:45,019 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 00:04:45,019 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 00:04:45,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:04:45,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1188760332, now seen corresponding path program 1 times [2022-01-11 00:04:45,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:04:45,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471713183] [2022-01-11 00:04:45,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:04:45,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:04:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:04:45,233 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 00:04:45,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:04:45,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471713183] [2022-01-11 00:04:45,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471713183] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:04:45,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:04:45,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:04:45,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797971193] [2022-01-11 00:04:45,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:04:45,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 00:04:45,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:04:45,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 00:04:45,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 00:04:45,264 INFO L87 Difference]: Start difference. First operand has 110 states, 106 states have (on average 1.3867924528301887) internal successors, (147), 109 states have internal predecessors, (147), 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 00:04:45,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:04:45,298 INFO L93 Difference]: Finished difference Result 210 states and 283 transitions. [2022-01-11 00:04:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 00:04:45,301 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 00:04:45,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:04:45,307 INFO L225 Difference]: With dead ends: 210 [2022-01-11 00:04:45,307 INFO L226 Difference]: Without dead ends: 100 [2022-01-11 00:04:45,310 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 00:04:45,312 INFO L933 BasicCegarLoop]: 137 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, 137 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 00:04:45,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:04:45,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-01-11 00:04:45,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-01-11 00:04:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 97 states have (on average 1.3298969072164948) internal successors, (129), 99 states have internal predecessors, (129), 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 00:04:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 129 transitions. [2022-01-11 00:04:45,352 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 129 transitions. Word has length 19 [2022-01-11 00:04:45,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:04:45,352 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 129 transitions. [2022-01-11 00:04:45,352 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 00:04:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 129 transitions. [2022-01-11 00:04:45,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 00:04:45,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:04:45,355 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 00:04:45,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 00:04:45,355 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 00:04:45,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:04:45,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1803773800, now seen corresponding path program 1 times [2022-01-11 00:04:45,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:04:45,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980319473] [2022-01-11 00:04:45,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:04:45,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:04:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:04:45,445 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 00:04:45,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:04:45,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980319473] [2022-01-11 00:04:45,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980319473] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:04:45,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:04:45,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:04:45,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773947453] [2022-01-11 00:04:45,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:04:45,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 00:04:45,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:04:45,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 00:04:45,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:04:45,448 INFO L87 Difference]: Start difference. First operand 100 states and 129 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 00:04:45,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:04:45,483 INFO L93 Difference]: Finished difference Result 260 states and 341 transitions. [2022-01-11 00:04:45,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 00:04:45,483 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 00:04:45,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:04:45,484 INFO L225 Difference]: With dead ends: 260 [2022-01-11 00:04:45,485 INFO L226 Difference]: Without dead ends: 167 [2022-01-11 00:04:45,485 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 00:04:45,486 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 112 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 209 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 00:04:45,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 209 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:04:45,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-01-11 00:04:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 158. [2022-01-11 00:04:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 155 states have (on average 1.3483870967741935) internal successors, (209), 157 states have internal predecessors, (209), 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 00:04:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2022-01-11 00:04:45,499 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 20 [2022-01-11 00:04:45,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:04:45,499 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2022-01-11 00:04:45,500 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 00:04:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2022-01-11 00:04:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-11 00:04:45,506 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:04:45,506 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 00:04:45,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 00:04:45,506 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 00:04:45,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:04:45,507 INFO L85 PathProgramCache]: Analyzing trace with hash 469155192, now seen corresponding path program 1 times [2022-01-11 00:04:45,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:04:45,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097972078] [2022-01-11 00:04:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:04:45,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:04:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:04:45,600 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 00:04:45,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:04:45,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097972078] [2022-01-11 00:04:45,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097972078] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:04:45,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:04:45,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 00:04:45,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213504562] [2022-01-11 00:04:45,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:04:45,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 00:04:45,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:04:45,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 00:04:45,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 00:04:45,603 INFO L87 Difference]: Start difference. First operand 158 states and 209 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 00:04:45,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:04:45,798 INFO L93 Difference]: Finished difference Result 828 states and 1114 transitions. [2022-01-11 00:04:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 00:04:45,799 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 00:04:45,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:04:45,803 INFO L225 Difference]: With dead ends: 828 [2022-01-11 00:04:45,803 INFO L226 Difference]: Without dead ends: 491 [2022-01-11 00:04:45,808 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 00:04:45,811 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 532 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 00:04:45,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 716 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 00:04:45,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-01-11 00:04:45,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 219. [2022-01-11 00:04:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 216 states have (on average 1.3425925925925926) internal successors, (290), 218 states have internal predecessors, (290), 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 00:04:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 290 transitions. [2022-01-11 00:04:45,829 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 290 transitions. Word has length 23 [2022-01-11 00:04:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:04:45,829 INFO L470 AbstractCegarLoop]: Abstraction has 219 states and 290 transitions. [2022-01-11 00:04:45,830 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 00:04:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 290 transitions. [2022-01-11 00:04:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-11 00:04:45,830 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:04:45,831 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 00:04:45,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 00:04:45,831 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 00:04:45,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:04:45,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1929859117, now seen corresponding path program 1 times [2022-01-11 00:04:45,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:04:45,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333759095] [2022-01-11 00:04:45,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:04:45,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:04:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:04:45,855 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 00:04:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:04:45,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 00:04:45,891 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 00:04:45,892 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-11 00:04:45,893 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-11 00:04:45,893 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-11 00:04:45,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 00:04:45,897 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-11 00:04:45,900 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 00:04:45,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:04:45 BasicIcfg [2022-01-11 00:04:45,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 00:04:45,965 INFO L158 Benchmark]: Toolchain (without parser) took 2170.17ms. Allocated memory was 183.5MB in the beginning and 267.4MB in the end (delta: 83.9MB). Free memory was 124.8MB in the beginning and 106.1MB in the end (delta: 18.8MB). Peak memory consumption was 103.4MB. Max. memory is 8.0GB. [2022-01-11 00:04:45,965 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 00:04:45,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.71ms. Allocated memory was 183.5MB in the beginning and 267.4MB in the end (delta: 83.9MB). Free memory was 124.7MB in the beginning and 226.1MB in the end (delta: -101.4MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-01-11 00:04:45,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.77ms. Allocated memory is still 267.4MB. Free memory was 226.1MB in the beginning and 223.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-11 00:04:45,966 INFO L158 Benchmark]: Boogie Preprocessor took 38.00ms. Allocated memory is still 267.4MB. Free memory was 223.0MB in the beginning and 220.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 00:04:45,967 INFO L158 Benchmark]: RCFGBuilder took 461.98ms. Allocated memory is still 267.4MB. Free memory was 220.9MB in the beginning and 201.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-01-11 00:04:45,967 INFO L158 Benchmark]: IcfgTransformer took 93.85ms. Allocated memory is still 267.4MB. Free memory was 201.0MB in the beginning and 194.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-11 00:04:45,967 INFO L158 Benchmark]: TraceAbstraction took 1011.27ms. Allocated memory is still 267.4MB. Free memory was 194.1MB in the beginning and 106.1MB in the end (delta: 88.1MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB. [2022-01-11 00:04:45,969 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 183.5MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 504.71ms. Allocated memory was 183.5MB in the beginning and 267.4MB in the end (delta: 83.9MB). Free memory was 124.7MB in the beginning and 226.1MB in the end (delta: -101.4MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.77ms. Allocated memory is still 267.4MB. Free memory was 226.1MB in the beginning and 223.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.00ms. Allocated memory is still 267.4MB. Free memory was 223.0MB in the beginning and 220.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 461.98ms. Allocated memory is still 267.4MB. Free memory was 220.9MB in the beginning and 201.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * IcfgTransformer took 93.85ms. Allocated memory is still 267.4MB. Free memory was 201.0MB in the beginning and 194.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1011.27ms. Allocated memory is still 267.4MB. Free memory was 194.1MB in the beginning and 106.1MB in the end (delta: 88.1MB). Peak memory consumption was 88.1MB. 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: 542]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L817] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] int retValue_acc ; [L891] int tmp ; [L895] FCALL select_helpers() [L896] FCALL select_features() [L897] CALL, EXPR valid_product() [L808] int retValue_acc ; [L811] retValue_acc = 1 [L812] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L897] RET, EXPR valid_product() [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) [L901] FCALL setup() [L902] CALL runTest() [L884] CALL test() [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L561] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L563] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L569] tmp = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp) [L573] CALL waterRise() [L476] COND TRUE waterLevel < 2 [L477] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] RET waterRise() [L579] tmp___0 = __VERIFIER_nondet_int() [L581] 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] [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND TRUE \read(tmp___2) [L593] CALL startSystem() [L774] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L593] RET startSystem() [L608] CALL timeShift() [L630] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] COND TRUE \read(systemActive) [L639] CALL processEnvironment() [L659] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L662] COND FALSE !(\read(pumpRunning)) [L677] FCALL processEnvironment__wrappee__base() [L639] RET processEnvironment() [L645] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND TRUE tmp___0 == 2 [L71] CALL, EXPR isPumpRunning() [L711] int retValue_acc ; [L714] retValue_acc = pumpRunning [L715] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L71] RET, EXPR isPumpRunning() [L71] tmp___1 = isPumpRunning() [L73] COND FALSE !(\read(tmp___1)) [L77] CALL __automaton_fail() [L542] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 542]: 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: 542]: 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, 110 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, 644 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 644 mSDsluCounter, 1062 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 595 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 467 mSDtfsCounter, 106 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=219occurred 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, 281 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 00:04:45,997 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...