/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_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 00:05:11,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 00:05:11,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 00:05:11,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 00:05:11,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 00:05:11,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 00:05:11,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 00:05:11,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 00:05:11,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 00:05:11,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 00:05:11,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 00:05:11,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 00:05:11,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 00:05:11,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 00:05:11,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 00:05:11,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 00:05:11,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 00:05:11,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 00:05:11,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 00:05:11,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 00:05:11,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 00:05:11,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 00:05:11,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 00:05:11,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 00:05:11,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 00:05:11,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 00:05:11,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 00:05:11,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 00:05:11,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 00:05:11,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 00:05:11,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 00:05:11,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 00:05:11,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 00:05:11,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 00:05:11,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 00:05:11,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 00:05:11,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 00:05:11,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 00:05:11,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 00:05:11,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 00:05:11,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 00:05:11,153 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 00:05:11,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 00:05:11,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 00:05:11,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 00:05:11,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 00:05:11,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 00:05:11,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 00:05:11,179 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 00:05:11,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 00:05:11,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 00:05:11,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 00:05:11,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 00:05:11,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 00:05:11,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 00:05:11,180 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 00:05:11,180 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 00:05:11,180 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 00:05:11,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 00:05:11,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 00:05:11,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:05:11,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 00:05:11,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 00:05:11,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 00:05:11,182 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 00:05:11,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 00:05:11,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 00:05:11,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 00:05:11,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 00:05:11,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 00:05:11,414 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 00:05:11,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product44.cil.c [2022-01-11 00:05:11,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5ea8790e/e0b9aab3a587428395502c9e7b2d3432/FLAGaf07ad3b8 [2022-01-11 00:05:11,871 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 00:05:11,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product44.cil.c [2022-01-11 00:05:11,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5ea8790e/e0b9aab3a587428395502c9e7b2d3432/FLAGaf07ad3b8 [2022-01-11 00:05:11,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5ea8790e/e0b9aab3a587428395502c9e7b2d3432 [2022-01-11 00:05:11,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 00:05:11,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 00:05:11,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 00:05:11,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 00:05:11,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 00:05:11,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:05:11" (1/1) ... [2022-01-11 00:05:11,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4de30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:11, skipping insertion in model container [2022-01-11 00:05:11,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:05:11" (1/1) ... [2022-01-11 00:05:11,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 00:05:11,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:05:12,159 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_product44.cil.c[5279,5292] [2022-01-11 00:05:12,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:12,250 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 00:05:12,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:05:12,286 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_product44.cil.c[5279,5292] [2022-01-11 00:05:12,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:12,329 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 00:05:12,352 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_product44.cil.c[5279,5292] [2022-01-11 00:05:12,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:12,389 INFO L208 MainTranslator]: Completed translation [2022-01-11 00:05:12,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12 WrapperNode [2022-01-11 00:05:12,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 00:05:12,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 00:05:12,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 00:05:12,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 00:05:12,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,439 INFO L137 Inliner]: procedures = 57, calls = 155, calls flagged for inlining = 52, calls inlined = 62, statements flattened = 495 [2022-01-11 00:05:12,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 00:05:12,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 00:05:12,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 00:05:12,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 00:05:12,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 00:05:12,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 00:05:12,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 00:05:12,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 00:05:12,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:12,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:05:12,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 00:05:12,493 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 00:05:12,519 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 00:05:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 00:05:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 00:05:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 00:05:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 00:05:12,584 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 00:05:12,585 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 00:05:12,898 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 00:05:12,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 00:05:12,903 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 00:05:12,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:12 BoogieIcfgContainer [2022-01-11 00:05:12,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 00:05:12,905 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 00:05:12,905 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 00:05:12,907 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 00:05:12,909 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:12" (1/1) ... [2022-01-11 00:05:13,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:05:13 BasicIcfg [2022-01-11 00:05:13,003 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 00:05:13,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 00:05:13,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 00:05:13,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 00:05:13,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 12:05:11" (1/4) ... [2022-01-11 00:05:13,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323a2cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:05:13, skipping insertion in model container [2022-01-11 00:05:13,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:12" (2/4) ... [2022-01-11 00:05:13,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323a2cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:05:13, skipping insertion in model container [2022-01-11 00:05:13,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:12" (3/4) ... [2022-01-11 00:05:13,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323a2cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:05:13, skipping insertion in model container [2022-01-11 00:05:13,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:05:13" (4/4) ... [2022-01-11 00:05:13,008 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product44.cil.cTransformedIcfg [2022-01-11 00:05:13,011 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 00:05:13,011 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-11 00:05:13,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 00:05:13,052 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 00:05:13,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-11 00:05:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 127 states have (on average 1.3937007874015748) internal successors, (177), 130 states have internal predecessors, (177), 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 00:05:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-11 00:05:13,070 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:13,070 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 00:05:13,071 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 00:05:13,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:13,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1452340776, now seen corresponding path program 1 times [2022-01-11 00:05:13,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:13,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481649055] [2022-01-11 00:05:13,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:13,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:13,281 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 00:05:13,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:13,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481649055] [2022-01-11 00:05:13,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481649055] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:13,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:13,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:13,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881376690] [2022-01-11 00:05:13,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:13,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 00:05:13,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:13,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 00:05:13,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 00:05:13,310 INFO L87 Difference]: Start difference. First operand has 131 states, 127 states have (on average 1.3937007874015748) internal successors, (177), 130 states have internal predecessors, (177), 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 00:05:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:13,345 INFO L93 Difference]: Finished difference Result 252 states and 343 transitions. [2022-01-11 00:05:13,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 00:05:13,347 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 00:05:13,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:13,354 INFO L225 Difference]: With dead ends: 252 [2022-01-11 00:05:13,354 INFO L226 Difference]: Without dead ends: 121 [2022-01-11 00:05:13,357 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 00:05:13,359 INFO L933 BasicCegarLoop]: 167 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, 167 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 00:05:13,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:13,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-01-11 00:05:13,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2022-01-11 00:05:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 118 states have (on average 1.347457627118644) internal successors, (159), 120 states have internal predecessors, (159), 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 00:05:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 159 transitions. [2022-01-11 00:05:13,388 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 159 transitions. Word has length 19 [2022-01-11 00:05:13,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:13,389 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 159 transitions. [2022-01-11 00:05:13,389 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 00:05:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2022-01-11 00:05:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 00:05:13,390 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:13,390 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 00:05:13,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 00:05:13,390 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 00:05:13,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:13,401 INFO L85 PathProgramCache]: Analyzing trace with hash -207900436, now seen corresponding path program 1 times [2022-01-11 00:05:13,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:13,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121474048] [2022-01-11 00:05:13,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:13,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:13,454 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 00:05:13,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:13,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121474048] [2022-01-11 00:05:13,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121474048] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:13,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:13,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:13,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281959099] [2022-01-11 00:05:13,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:13,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 00:05:13,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:13,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 00:05:13,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:05:13,456 INFO L87 Difference]: Start difference. First operand 121 states and 159 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 00:05:13,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:13,482 INFO L93 Difference]: Finished difference Result 302 states and 401 transitions. [2022-01-11 00:05:13,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 00:05:13,483 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 00:05:13,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:13,484 INFO L225 Difference]: With dead ends: 302 [2022-01-11 00:05:13,484 INFO L226 Difference]: Without dead ends: 188 [2022-01-11 00:05:13,484 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 00:05:13,485 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 142 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 252 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 00:05:13,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 252 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-01-11 00:05:13,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 179. [2022-01-11 00:05:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 176 states have (on average 1.3579545454545454) internal successors, (239), 178 states have internal predecessors, (239), 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 00:05:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 239 transitions. [2022-01-11 00:05:13,497 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 239 transitions. Word has length 20 [2022-01-11 00:05:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:13,497 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 239 transitions. [2022-01-11 00:05:13,497 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 00:05:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 239 transitions. [2022-01-11 00:05:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-11 00:05:13,498 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:13,498 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 00:05:13,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 00:05:13,499 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 00:05:13,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:13,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1798408804, now seen corresponding path program 1 times [2022-01-11 00:05:13,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:13,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930075497] [2022-01-11 00:05:13,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:13,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:13,539 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 00:05:13,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:13,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930075497] [2022-01-11 00:05:13,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930075497] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:13,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:13,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:13,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145445954] [2022-01-11 00:05:13,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:13,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 00:05:13,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:13,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 00:05:13,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:05:13,542 INFO L87 Difference]: Start difference. First operand 179 states and 239 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 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 00:05:13,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:13,602 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2022-01-11 00:05:13,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 00:05:13,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 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 00:05:13,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:13,604 INFO L225 Difference]: With dead ends: 414 [2022-01-11 00:05:13,604 INFO L226 Difference]: Without dead ends: 242 [2022-01-11 00:05:13,605 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 00:05:13,606 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 122 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 00:05:13,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 250 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:13,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-01-11 00:05:13,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 236. [2022-01-11 00:05:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 233 states have (on average 1.3133047210300428) internal successors, (306), 235 states have internal predecessors, (306), 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 00:05:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 306 transitions. [2022-01-11 00:05:13,631 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 306 transitions. Word has length 23 [2022-01-11 00:05:13,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:13,632 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 306 transitions. [2022-01-11 00:05:13,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 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 00:05:13,632 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 306 transitions. [2022-01-11 00:05:13,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-11 00:05:13,636 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:13,636 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] [2022-01-11 00:05:13,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 00:05:13,637 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:13,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:13,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1112204051, now seen corresponding path program 1 times [2022-01-11 00:05:13,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:13,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654704958] [2022-01-11 00:05:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:13,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:13,735 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 00:05:13,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:13,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654704958] [2022-01-11 00:05:13,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654704958] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:13,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:13,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 00:05:13,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720355042] [2022-01-11 00:05:13,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:13,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 00:05:13,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:13,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 00:05:13,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 00:05:13,737 INFO L87 Difference]: Start difference. First operand 236 states and 306 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 00:05:13,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:13,963 INFO L93 Difference]: Finished difference Result 1267 states and 1648 transitions. [2022-01-11 00:05:13,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 00:05:13,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2022-01-11 00:05:13,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:13,965 INFO L225 Difference]: With dead ends: 1267 [2022-01-11 00:05:13,965 INFO L226 Difference]: Without dead ends: 747 [2022-01-11 00:05:13,967 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 00:05:13,968 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 684 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 00:05:13,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 899 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 00:05:13,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-01-11 00:05:13,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 329. [2022-01-11 00:05:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 326 states have (on average 1.303680981595092) internal successors, (425), 328 states have internal predecessors, (425), 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 00:05:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 425 transitions. [2022-01-11 00:05:13,985 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 425 transitions. Word has length 29 [2022-01-11 00:05:13,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:13,985 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 425 transitions. [2022-01-11 00:05:13,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 00:05:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 425 transitions. [2022-01-11 00:05:13,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-11 00:05:13,986 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:13,986 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 00:05:13,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 00:05:13,987 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:13,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:13,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1364269800, now seen corresponding path program 1 times [2022-01-11 00:05:13,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:13,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542471525] [2022-01-11 00:05:13,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:13,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:05:14,012 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 00:05:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:05:14,074 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 00:05:14,075 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 00:05:14,075 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-11 00:05:14,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-11 00:05:14,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-11 00:05:14,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 00:05:14,086 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-11 00:05:14,088 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 00:05:14,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:05:14 BasicIcfg [2022-01-11 00:05:14,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 00:05:14,156 INFO L158 Benchmark]: Toolchain (without parser) took 2257.78ms. Allocated memory was 163.6MB in the beginning and 229.6MB in the end (delta: 66.1MB). Free memory was 111.5MB in the beginning and 164.8MB in the end (delta: -53.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-11 00:05:14,156 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 163.6MB. Free memory was 129.3MB in the beginning and 129.2MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 00:05:14,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.84ms. Allocated memory was 163.6MB in the beginning and 229.6MB in the end (delta: 66.1MB). Free memory was 111.4MB in the beginning and 191.7MB in the end (delta: -80.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-01-11 00:05:14,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.09ms. Allocated memory is still 229.6MB. Free memory was 191.2MB in the beginning and 188.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-11 00:05:14,162 INFO L158 Benchmark]: Boogie Preprocessor took 26.76ms. Allocated memory is still 229.6MB. Free memory was 188.1MB in the beginning and 186.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 00:05:14,162 INFO L158 Benchmark]: RCFGBuilder took 437.27ms. Allocated memory is still 229.6MB. Free memory was 186.0MB in the beginning and 165.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-11 00:05:14,163 INFO L158 Benchmark]: IcfgTransformer took 97.92ms. Allocated memory is still 229.6MB. Free memory was 165.0MB in the beginning and 157.1MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-11 00:05:14,163 INFO L158 Benchmark]: TraceAbstraction took 1150.92ms. Allocated memory is still 229.6MB. Free memory was 156.6MB in the beginning and 164.8MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 00:05:14,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 163.6MB. Free memory was 129.3MB in the beginning and 129.2MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.84ms. Allocated memory was 163.6MB in the beginning and 229.6MB in the end (delta: 66.1MB). Free memory was 111.4MB in the beginning and 191.7MB in the end (delta: -80.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.09ms. Allocated memory is still 229.6MB. Free memory was 191.2MB in the beginning and 188.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.76ms. Allocated memory is still 229.6MB. Free memory was 188.1MB in the beginning and 186.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 437.27ms. Allocated memory is still 229.6MB. Free memory was 186.0MB in the beginning and 165.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 97.92ms. Allocated memory is still 229.6MB. Free memory was 165.0MB in the beginning and 157.1MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1150.92ms. Allocated memory is still 229.6MB. Free memory was 156.6MB in the beginning and 164.8MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 328]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L195] int waterLevel = 1; [L196] int methaneLevelCritical = 0; [L502] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L703] int pumpRunning = 0; [L704] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L315] int retValue_acc ; [L318] retValue_acc = 1 [L319] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L897] int splverifierCounter ; [L898] int tmp ; [L899] int tmp___0 ; [L900] int tmp___1 ; [L901] int tmp___2 ; [L904] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L906] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L908] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L914] tmp = __VERIFIER_nondet_int() [L916] COND TRUE \read(tmp) [L918] CALL waterRise() [L213] COND TRUE waterLevel < 2 [L214] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L918] RET waterRise() [L924] tmp___0 = __VERIFIER_nondet_int() [L926] 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] [L934] tmp___2 = __VERIFIER_nondet_int() [L936] COND FALSE !(\read(tmp___2)) [L942] tmp___1 = __VERIFIER_nondet_int() [L944] COND TRUE \read(tmp___1) [L946] CALL stopSystem() [L876] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L946] RET stopSystem() [L953] CALL timeShift() [L710] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L717] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L725] CALL __utac_acc__Specification3_spec__1() [L159] int tmp ; [L160] int tmp___0 ; [L161] int tmp___1 ; [L165] CALL, EXPR isMethaneLevelCritical() [L234] int retValue_acc ; [L237] retValue_acc = methaneLevelCritical [L238] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L165] RET, EXPR isMethaneLevelCritical() [L165] tmp = isMethaneLevelCritical() [L167] COND FALSE !(\read(tmp)) [L171] CALL, EXPR getWaterLevel() [L266] int retValue_acc ; [L269] retValue_acc = waterLevel [L270] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L171] RET, EXPR getWaterLevel() [L171] tmp___0 = getWaterLevel() [L173] COND TRUE tmp___0 == 2 [L175] CALL, EXPR isPumpRunning() [L809] int retValue_acc ; [L812] retValue_acc = pumpRunning [L813] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L175] RET, EXPR isPumpRunning() [L175] tmp___1 = isPumpRunning() [L177] COND FALSE !(\read(tmp___1)) [L181] CALL __automaton_fail() [L328] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 328]: 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: 328]: 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, 131 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 948 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 948 mSDsluCounter, 1568 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 811 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 757 mSDtfsCounter, 155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 433 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-11 00:05:14,192 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...