/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_BITWISE.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 12:27:04,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 12:27:04,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 12:27:04,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 12:27:04,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 12:27:04,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 12:27:04,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 12:27:04,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 12:27:04,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 12:27:04,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 12:27:04,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 12:27:04,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 12:27:04,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 12:27:04,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 12:27:04,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 12:27:04,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 12:27:04,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 12:27:04,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 12:27:04,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 12:27:04,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 12:27:04,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 12:27:04,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 12:27:04,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 12:27:04,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 12:27:04,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 12:27:04,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 12:27:04,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 12:27:04,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 12:27:04,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 12:27:04,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 12:27:04,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 12:27:04,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 12:27:04,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 12:27:04,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 12:27:04,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 12:27:04,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 12:27:04,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 12:27:04,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 12:27:04,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 12:27:04,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 12:27:04,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 12:27:04,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 12:27:04,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 12:27:04,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 12:27:04,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 12:27:04,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 12:27:04,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 12:27:04,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 12:27:04,725 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 12:27:04,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 12:27:04,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 12:27:04,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 12:27:04,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 12:27:04,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 12:27:04,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 12:27:04,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 12:27:04,727 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 12:27:04,727 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 12:27:04,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 12:27:04,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 12:27:04,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 12:27:04,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 12:27:04,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 12:27:04,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:27:04,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 12:27:04,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 12:27:04,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 12:27:04,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 12:27:04,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 12:27:04,728 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 12:27:04,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 12:27:04,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 12:27:04,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 12:27:04,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 12:27:04,729 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 12:27:04,729 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 12:27:04,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 12:27:04,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 12:27:04,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 12:27:04,945 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 12:27:04,946 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 12:27:04,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2022-01-10 12:27:04,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98790fce/31876e636d20443daccf8d21ca90ef1c/FLAGb97381280 [2022-01-10 12:27:05,360 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 12:27:05,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2022-01-10 12:27:05,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98790fce/31876e636d20443daccf8d21ca90ef1c/FLAGb97381280 [2022-01-10 12:27:05,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98790fce/31876e636d20443daccf8d21ca90ef1c [2022-01-10 12:27:05,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 12:27:05,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 12:27:05,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 12:27:05,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 12:27:05,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 12:27:05,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:27:05" (1/1) ... [2022-01-10 12:27:05,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668c0b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:05, skipping insertion in model container [2022-01-10 12:27:05,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:27:05" (1/1) ... [2022-01-10 12:27:05,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 12:27:05,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:27:05,966 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_spec4_product51.cil.c[8940,8953] [2022-01-10 12:27:06,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:27:06,042 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 12:27:06,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:27:06,080 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_spec4_product51.cil.c[8940,8953] [2022-01-10 12:27:06,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:27:06,096 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 12:27:06,128 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_spec4_product51.cil.c[8940,8953] [2022-01-10 12:27:06,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:27:06,161 INFO L208 MainTranslator]: Completed translation [2022-01-10 12:27:06,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06 WrapperNode [2022-01-10 12:27:06,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 12:27:06,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 12:27:06,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 12:27:06,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 12:27:06,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,222 INFO L137 Inliner]: procedures = 58, calls = 156, calls flagged for inlining = 53, calls inlined = 79, statements flattened = 606 [2022-01-10 12:27:06,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 12:27:06,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 12:27:06,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 12:27:06,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 12:27:06,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 12:27:06,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 12:27:06,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 12:27:06,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 12:27:06,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:27:06,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:27:06,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 12:27:06,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 12:27:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 12:27:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 12:27:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 12:27:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 12:27:06,389 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 12:27:06,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 12:27:06,779 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 12:27:06,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 12:27:06,784 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 12:27:06,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:27:06 BoogieIcfgContainer [2022-01-10 12:27:06,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 12:27:06,787 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 12:27:06,787 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 12:27:06,788 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 12:27:06,790 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:27:06" (1/1) ... [2022-01-10 12:27:06,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:27:06 BasicIcfg [2022-01-10 12:27:06,872 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 12:27:06,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 12:27:06,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 12:27:06,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 12:27:06,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:27:05" (1/4) ... [2022-01-10 12:27:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f081ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:27:06, skipping insertion in model container [2022-01-10 12:27:06,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:06" (2/4) ... [2022-01-10 12:27:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f081ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:27:06, skipping insertion in model container [2022-01-10 12:27:06,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:27:06" (3/4) ... [2022-01-10 12:27:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f081ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:27:06, skipping insertion in model container [2022-01-10 12:27:06,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:27:06" (4/4) ... [2022-01-10 12:27:06,877 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.cTransformedIcfg [2022-01-10 12:27:06,880 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 12:27:06,880 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 12:27:06,914 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 12:27:06,922 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 12:27:06,922 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 12:27:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 165 states have (on average 1.393939393939394) internal successors, (230), 168 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-10 12:27:06,940 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:06,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:06,941 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:06,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:06,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1194471921, now seen corresponding path program 1 times [2022-01-10 12:27:06,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:06,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887922100] [2022-01-10 12:27:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:06,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:07,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:07,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887922100] [2022-01-10 12:27:07,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887922100] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:07,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:07,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:27:07,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437148141] [2022-01-10 12:27:07,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:07,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 12:27:07,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:07,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 12:27:07,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 12:27:07,159 INFO L87 Difference]: Start difference. First operand has 169 states, 165 states have (on average 1.393939393939394) internal successors, (230), 168 states have internal predecessors, (230), 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 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:07,184 INFO L93 Difference]: Finished difference Result 328 states and 449 transitions. [2022-01-10 12:27:07,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 12:27:07,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2022-01-10 12:27:07,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:07,195 INFO L225 Difference]: With dead ends: 328 [2022-01-10 12:27:07,195 INFO L226 Difference]: Without dead ends: 159 [2022-01-10 12:27:07,198 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 [2022-01-10 12:27:07,200 INFO L933 BasicCegarLoop]: 220 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, 220 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:07,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:07,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-01-10 12:27:07,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-01-10 12:27:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 156 states have (on average 1.358974358974359) internal successors, (212), 158 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 212 transitions. [2022-01-10 12:27:07,253 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 212 transitions. Word has length 17 [2022-01-10 12:27:07,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:07,254 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 212 transitions. [2022-01-10 12:27:07,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 212 transitions. [2022-01-10 12:27:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-10 12:27:07,256 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:07,256 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:07,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 12:27:07,256 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:07,260 INFO L85 PathProgramCache]: Analyzing trace with hash 2061132227, now seen corresponding path program 1 times [2022-01-10 12:27:07,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:07,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406496698] [2022-01-10 12:27:07,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:07,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:07,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:07,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406496698] [2022-01-10 12:27:07,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406496698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:07,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:07,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:27:07,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893505753] [2022-01-10 12:27:07,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:07,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:07,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:07,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:07,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:07,356 INFO L87 Difference]: Start difference. First operand 159 states and 212 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:07,462 INFO L93 Difference]: Finished difference Result 372 states and 498 transitions. [2022-01-10 12:27:07,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:07,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2022-01-10 12:27:07,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:07,466 INFO L225 Difference]: With dead ends: 372 [2022-01-10 12:27:07,466 INFO L226 Difference]: Without dead ends: 220 [2022-01-10 12:27:07,469 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 [2022-01-10 12:27:07,470 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 196 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:07,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 294 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:07,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-01-10 12:27:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 211. [2022-01-10 12:27:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 208 states have (on average 1.3605769230769231) internal successors, (283), 210 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 283 transitions. [2022-01-10 12:27:07,490 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 283 transitions. Word has length 18 [2022-01-10 12:27:07,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:07,490 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 283 transitions. [2022-01-10 12:27:07,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 283 transitions. [2022-01-10 12:27:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 12:27:07,495 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:07,495 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] [2022-01-10 12:27:07,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 12:27:07,495 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:07,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:07,496 INFO L85 PathProgramCache]: Analyzing trace with hash 677604905, now seen corresponding path program 1 times [2022-01-10 12:27:07,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:07,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805501791] [2022-01-10 12:27:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:07,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:07,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:07,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805501791] [2022-01-10 12:27:07,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805501791] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:07,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:07,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:27:07,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58932558] [2022-01-10 12:27:07,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:07,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:07,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:07,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:07,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:07,566 INFO L87 Difference]: Start difference. First operand 211 states and 283 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) [2022-01-10 12:27:07,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:07,633 INFO L93 Difference]: Finished difference Result 471 states and 629 transitions. [2022-01-10 12:27:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:07,633 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 [2022-01-10 12:27:07,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:07,634 INFO L225 Difference]: With dead ends: 471 [2022-01-10 12:27:07,634 INFO L226 Difference]: Without dead ends: 267 [2022-01-10 12:27:07,638 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 [2022-01-10 12:27:07,641 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 134 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:07,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 317 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:27:07,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-01-10 12:27:07,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 261. [2022-01-10 12:27:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 258 states have (on average 1.306201550387597) internal successors, (337), 260 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 337 transitions. [2022-01-10 12:27:07,666 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 337 transitions. Word has length 23 [2022-01-10 12:27:07,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:07,666 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 337 transitions. [2022-01-10 12:27:07,667 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) [2022-01-10 12:27:07,667 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 337 transitions. [2022-01-10 12:27:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-10 12:27:07,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:07,668 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] [2022-01-10 12:27:07,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 12:27:07,668 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:07,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:07,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1460085702, now seen corresponding path program 1 times [2022-01-10 12:27:07,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:07,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584256666] [2022-01-10 12:27:07,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:07,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:07,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:07,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:07,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584256666] [2022-01-10 12:27:07,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584256666] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:07,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:07,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:27:07,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674848109] [2022-01-10 12:27:07,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:07,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:27:07,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:07,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:27:07,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:27:07,779 INFO L87 Difference]: Start difference. First operand 261 states and 337 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:07,965 INFO L93 Difference]: Finished difference Result 766 states and 980 transitions. [2022-01-10 12:27:07,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 12:27:07,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2022-01-10 12:27:07,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:07,967 INFO L225 Difference]: With dead ends: 766 [2022-01-10 12:27:07,968 INFO L226 Difference]: Without dead ends: 760 [2022-01-10 12:27:07,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 12:27:07,974 INFO L933 BasicCegarLoop]: 506 mSDtfsCounter, 699 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:07,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 1535 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:27:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2022-01-10 12:27:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 261. [2022-01-10 12:27:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 258 states have (on average 1.2829457364341086) internal successors, (331), 260 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 331 transitions. [2022-01-10 12:27:07,994 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 331 transitions. Word has length 28 [2022-01-10 12:27:07,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:07,995 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 331 transitions. [2022-01-10 12:27:07,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 331 transitions. [2022-01-10 12:27:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 12:27:07,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:07,999 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] [2022-01-10 12:27:07,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 12:27:07,999 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:08,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:08,001 INFO L85 PathProgramCache]: Analyzing trace with hash 620672425, now seen corresponding path program 1 times [2022-01-10 12:27:08,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:08,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514822599] [2022-01-10 12:27:08,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:08,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:08,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:08,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514822599] [2022-01-10 12:27:08,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514822599] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:08,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:08,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 12:27:08,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547710232] [2022-01-10 12:27:08,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:08,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:27:08,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:08,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:27:08,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:27:08,062 INFO L87 Difference]: Start difference. First operand 261 states and 331 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 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) [2022-01-10 12:27:08,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:08,163 INFO L93 Difference]: Finished difference Result 750 states and 942 transitions. [2022-01-10 12:27:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 12:27:08,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 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 [2022-01-10 12:27:08,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:08,165 INFO L225 Difference]: With dead ends: 750 [2022-01-10 12:27:08,165 INFO L226 Difference]: Without dead ends: 496 [2022-01-10 12:27:08,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 12:27:08,166 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 350 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:08,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 934 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:27:08,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2022-01-10 12:27:08,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 279. [2022-01-10 12:27:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.2644927536231885) internal successors, (349), 278 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 349 transitions. [2022-01-10 12:27:08,183 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 349 transitions. Word has length 29 [2022-01-10 12:27:08,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:08,183 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 349 transitions. [2022-01-10 12:27:08,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 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) [2022-01-10 12:27:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 349 transitions. [2022-01-10 12:27:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 12:27:08,184 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:08,184 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] [2022-01-10 12:27:08,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 12:27:08,184 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:08,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:08,184 INFO L85 PathProgramCache]: Analyzing trace with hash 327269418, now seen corresponding path program 1 times [2022-01-10 12:27:08,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:08,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754171177] [2022-01-10 12:27:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:08,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:08,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:08,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754171177] [2022-01-10 12:27:08,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754171177] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:08,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:08,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:27:08,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599258635] [2022-01-10 12:27:08,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:08,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 12:27:08,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:08,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 12:27:08,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 12:27:08,259 INFO L87 Difference]: Start difference. First operand 279 states and 349 transitions. Second operand has 4 states, 4 states have (on average 7.25) 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) [2022-01-10 12:27:08,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:08,350 INFO L93 Difference]: Finished difference Result 813 states and 1005 transitions. [2022-01-10 12:27:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 12:27:08,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) 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 [2022-01-10 12:27:08,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:08,353 INFO L225 Difference]: With dead ends: 813 [2022-01-10 12:27:08,353 INFO L226 Difference]: Without dead ends: 541 [2022-01-10 12:27:08,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:27:08,354 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 312 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:08,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 668 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:08,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-01-10 12:27:08,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 291. [2022-01-10 12:27:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 288 states have (on average 1.2534722222222223) internal successors, (361), 290 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 361 transitions. [2022-01-10 12:27:08,375 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 361 transitions. Word has length 29 [2022-01-10 12:27:08,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:08,375 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 361 transitions. [2022-01-10 12:27:08,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) 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) [2022-01-10 12:27:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 361 transitions. [2022-01-10 12:27:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 12:27:08,378 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:08,378 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] [2022-01-10 12:27:08,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 12:27:08,378 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:08,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:08,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1834821227, now seen corresponding path program 1 times [2022-01-10 12:27:08,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:08,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390958178] [2022-01-10 12:27:08,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:08,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:08,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:08,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390958178] [2022-01-10 12:27:08,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390958178] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:08,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:08,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:27:08,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216837948] [2022-01-10 12:27:08,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:08,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:27:08,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:08,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:27:08,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:27:08,426 INFO L87 Difference]: Start difference. First operand 291 states and 361 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) [2022-01-10 12:27:08,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:08,637 INFO L93 Difference]: Finished difference Result 1435 states and 1788 transitions. [2022-01-10 12:27:08,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 12:27:08,638 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 [2022-01-10 12:27:08,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:08,641 INFO L225 Difference]: With dead ends: 1435 [2022-01-10 12:27:08,641 INFO L226 Difference]: Without dead ends: 1151 [2022-01-10 12:27:08,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 12:27:08,642 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 882 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:08,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 1089 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:27:08,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-01-10 12:27:08,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 509. [2022-01-10 12:27:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 506 states have (on average 1.2351778656126482) internal successors, (625), 508 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 625 transitions. [2022-01-10 12:27:08,699 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 625 transitions. Word has length 29 [2022-01-10 12:27:08,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:08,700 INFO L470 AbstractCegarLoop]: Abstraction has 509 states and 625 transitions. [2022-01-10 12:27:08,700 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) [2022-01-10 12:27:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 625 transitions. [2022-01-10 12:27:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 12:27:08,701 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:08,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:08,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 12:27:08,701 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:08,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:08,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1184821106, now seen corresponding path program 1 times [2022-01-10 12:27:08,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:08,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348686607] [2022-01-10 12:27:08,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:08,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:08,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:08,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348686607] [2022-01-10 12:27:08,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348686607] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:08,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:08,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 12:27:08,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924369940] [2022-01-10 12:27:08,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:08,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:27:08,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:08,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:27:08,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:27:08,754 INFO L87 Difference]: Start difference. First operand 509 states and 625 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:08,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:08,888 INFO L93 Difference]: Finished difference Result 1738 states and 2129 transitions. [2022-01-10 12:27:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 12:27:08,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 52 [2022-01-10 12:27:08,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:08,893 INFO L225 Difference]: With dead ends: 1738 [2022-01-10 12:27:08,894 INFO L226 Difference]: Without dead ends: 1236 [2022-01-10 12:27:08,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 12:27:08,895 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 474 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:08,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 1199 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:08,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2022-01-10 12:27:08,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 527. [2022-01-10 12:27:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 524 states have (on average 1.2270992366412214) internal successors, (643), 526 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 643 transitions. [2022-01-10 12:27:08,955 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 643 transitions. Word has length 52 [2022-01-10 12:27:08,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:08,955 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 643 transitions. [2022-01-10 12:27:08,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 643 transitions. [2022-01-10 12:27:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 12:27:08,956 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:08,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:08,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 12:27:08,956 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:08,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:08,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1690379731, now seen corresponding path program 1 times [2022-01-10 12:27:08,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:08,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673270589] [2022-01-10 12:27:08,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:08,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:08,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:08,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673270589] [2022-01-10 12:27:08,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673270589] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:08,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:08,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:27:08,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285487648] [2022-01-10 12:27:08,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:08,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:08,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:08,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:08,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:08,996 INFO L87 Difference]: Start difference. First operand 527 states and 643 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:09,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:09,012 INFO L93 Difference]: Finished difference Result 527 states and 643 transitions. [2022-01-10 12:27:09,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:09,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2022-01-10 12:27:09,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:09,013 INFO L225 Difference]: With dead ends: 527 [2022-01-10 12:27:09,013 INFO L226 Difference]: Without dead ends: 231 [2022-01-10 12:27:09,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:09,014 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 80 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:09,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 93 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:09,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-01-10 12:27:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2022-01-10 12:27:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.2652173913043478) internal successors, (291), 230 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:09,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 291 transitions. [2022-01-10 12:27:09,030 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 291 transitions. Word has length 52 [2022-01-10 12:27:09,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:09,030 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 291 transitions. [2022-01-10 12:27:09,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 291 transitions. [2022-01-10 12:27:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-01-10 12:27:09,031 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:09,031 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:09,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 12:27:09,031 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:09,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:09,031 INFO L85 PathProgramCache]: Analyzing trace with hash -48076955, now seen corresponding path program 1 times [2022-01-10 12:27:09,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:09,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322710003] [2022-01-10 12:27:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:09,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-10 12:27:09,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:09,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322710003] [2022-01-10 12:27:09,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322710003] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:09,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:09,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:27:09,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162350813] [2022-01-10 12:27:09,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:09,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:09,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:09,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:09,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:09,086 INFO L87 Difference]: Start difference. First operand 231 states and 291 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:09,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:09,117 INFO L93 Difference]: Finished difference Result 509 states and 643 transitions. [2022-01-10 12:27:09,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:09,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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 63 [2022-01-10 12:27:09,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:09,118 INFO L225 Difference]: With dead ends: 509 [2022-01-10 12:27:09,118 INFO L226 Difference]: Without dead ends: 285 [2022-01-10 12:27:09,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:09,119 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 26 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:09,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 156 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:09,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-01-10 12:27:09,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2022-01-10 12:27:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 284 states have (on average 1.2535211267605635) internal successors, (356), 284 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 356 transitions. [2022-01-10 12:27:09,140 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 356 transitions. Word has length 63 [2022-01-10 12:27:09,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:09,141 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 356 transitions. [2022-01-10 12:27:09,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:09,141 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 356 transitions. [2022-01-10 12:27:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-10 12:27:09,141 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:09,142 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:09,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 12:27:09,142 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:09,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:09,142 INFO L85 PathProgramCache]: Analyzing trace with hash 104272843, now seen corresponding path program 1 times [2022-01-10 12:27:09,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:09,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564502454] [2022-01-10 12:27:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:09,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:09,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:09,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564502454] [2022-01-10 12:27:09,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564502454] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 12:27:09,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237712520] [2022-01-10 12:27:09,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:09,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 12:27:09,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:27:09,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 12:27:09,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 12:27:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:09,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 15 conjunts are in the unsatisfiable core [2022-01-10 12:27:09,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 12:27:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 12:27:09,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 12:27:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 12:27:09,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237712520] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 12:27:09,835 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 12:27:09,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 6] total 17 [2022-01-10 12:27:09,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180212159] [2022-01-10 12:27:09,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 12:27:09,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-10 12:27:09,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:09,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-10 12:27:09,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-01-10 12:27:09,838 INFO L87 Difference]: Start difference. First operand 285 states and 356 transitions. Second operand has 18 states, 18 states have (on average 9.944444444444445) internal successors, (179), 17 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:10,106 INFO L93 Difference]: Finished difference Result 808 states and 1020 transitions. [2022-01-10 12:27:10,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-10 12:27:10,107 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.944444444444445) internal successors, (179), 17 states have internal predecessors, (179), 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 65 [2022-01-10 12:27:10,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:10,107 INFO L225 Difference]: With dead ends: 808 [2022-01-10 12:27:10,107 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 12:27:10,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2022-01-10 12:27:10,109 INFO L933 BasicCegarLoop]: 264 mSDtfsCounter, 914 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:10,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 1603 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:27:10,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 12:27:10,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 12:27:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 12:27:10,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2022-01-10 12:27:10,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:10,110 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 12:27:10,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.944444444444445) internal successors, (179), 17 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:10,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 12:27:10,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 12:27:10,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 12:27:10,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 12:27:10,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 12:27:10,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-10 12:27:10,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-01-10 12:27:10,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 12:27:16,257 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 12:27:16,257 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 12:27:16,257 INFO L854 garLoopResultBuilder]: At program point L313(lines 309 315) the Hoare annotation is: (and (= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0)) [2022-01-10 12:27:16,257 INFO L854 garLoopResultBuilder]: At program point L306(lines 302 308) the Hoare annotation is: (and (= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0)) [2022-01-10 12:27:16,257 INFO L854 garLoopResultBuilder]: At program point L321(lines 316 324) the Hoare annotation is: (and (= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0)) [2022-01-10 12:27:16,258 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-01-10 12:27:16,258 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0)) [2022-01-10 12:27:16,258 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-01-10 12:27:16,258 INFO L854 garLoopResultBuilder]: At program point L551-2(lines 551 598) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0Int)) (.cse4 (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0))) (.cse0 (= ~waterLevel~0Int 1)) (.cse5 (<= 1 ~systemActive~0Int)) (.cse1 (= ~pumpRunning~0Int 0)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 1) .cse0 .cse1 (= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 1) .cse2) (and .cse3 .cse1 .cse4 (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) .cse2) (and .cse3 (<= 1 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|) .cse5 .cse4 .cse2) (and .cse0 .cse5 .cse1 .cse2))) [2022-01-10 12:27:16,258 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-01-10 12:27:16,258 INFO L854 garLoopResultBuilder]: At program point L599(lines 550 600) the Hoare annotation is: false [2022-01-10 12:27:16,258 INFO L858 garLoopResultBuilder]: For program point L552(lines 551 598) no Hoare annotation was computed. [2022-01-10 12:27:16,258 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 12:27:16,258 INFO L858 garLoopResultBuilder]: For program point L336-3(lines 336 342) no Hoare annotation was computed. [2022-01-10 12:27:16,258 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 557) no Hoare annotation was computed. [2022-01-10 12:27:16,258 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 12:27:16,258 INFO L858 garLoopResultBuilder]: For program point L194-3(lines 194 198) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L336-5(lines 335 354) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L854 garLoopResultBuilder]: At program point L194-5(lines 190 201) the Hoare annotation is: false [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L394-2(lines 394 411) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L343-3(lines 343 349) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L561-2(lines 561 567) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L854 garLoopResultBuilder]: At program point L286-1(lines 281 289) the Hoare annotation is: false [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L368-6(lines 368 385) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L854 garLoopResultBuilder]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2022-01-10 12:27:16,260 INFO L854 garLoopResultBuilder]: At program point L206-2(lines 202 213) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0Int 0)) (.cse0 (= 2 ~waterLevel~0Int)) (.cse1 (<= 1 ~systemActive~0Int)) (.cse4 (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0))) (.cse5 (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0)))) (.cse3 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3))) [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 577) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L271-3(lines 271 277) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L854 garLoopResultBuilder]: At program point L360-7(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 577) no Hoare annotation was computed. [2022-01-10 12:27:16,260 INFO L858 garLoopResultBuilder]: For program point L515-5(lines 515 519) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L276-3(lines 267 280) the Hoare annotation is: false [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L368-7(lines 364 388) the Hoare annotation is: false [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L447-1(lines 442 450) the Hoare annotation is: false [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L165-3(lines 157 181) the Hoare annotation is: false [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L218-2(lines 214 225) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0Int)) (.cse5 (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0))) (.cse6 (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0)))) (.cse4 (= ~waterLevel~0Int 1)) (.cse1 (<= 1 ~systemActive~0Int)) (.cse2 (= ~pumpRunning~0Int 0)) (.cse3 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 1) .cse4 .cse2 (= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 1) .cse3) (and .cse0 .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse5 .cse6 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 594) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L521-1(lines 506 524) the Hoare annotation is: false [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L496-9(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L394-3(lines 390 414) the Hoare annotation is: false [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L169-3(lines 169 175) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L353-1(lines 332 355) the Hoare annotation is: false [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L587-2(lines 581 594) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L398-3(lines 398 406) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L496-11(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed. [2022-01-10 12:27:16,261 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 535) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L854 garLoopResultBuilder]: At program point L428-2(lines 423 430) the Hoare annotation is: false [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point L368-4(lines 368 385) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L854 garLoopResultBuilder]: At program point L502-3(lines 487 505) the Hoare annotation is: false [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L854 garLoopResultBuilder]: At program point L613-1(lines 608 615) the Hoare annotation is: false [2022-01-10 12:27:16,262 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 198) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 335 354) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L854 garLoopResultBuilder]: At program point L428(lines 423 430) the Hoare annotation is: (and (= 2 ~waterLevel~0Int) (= ~pumpRunning~0Int 0) (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0)) (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point L529-2(lines 529 535) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point L271-2(lines 271 277) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L854 garLoopResultBuilder]: At program point L360-5(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point L372-9(lines 372 380) no Hoare annotation was computed. [2022-01-10 12:27:16,262 INFO L861 garLoopResultBuilder]: At program point L604(lines 541 606) the Hoare annotation is: true [2022-01-10 12:27:16,262 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-01-10 12:27:16,263 INFO L854 garLoopResultBuilder]: At program point L194-2(lines 190 201) the Hoare annotation is: (and (= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0)) (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:16,263 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2022-01-10 12:27:16,263 INFO L858 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2022-01-10 12:27:16,263 INFO L854 garLoopResultBuilder]: At program point L537(lines 525 539) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0Int 0)) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (= ~waterLevel~0Int 1) .cse0 .cse1) (and (= 2 ~waterLevel~0Int) .cse0 .cse1))) [2022-01-10 12:27:16,263 INFO L854 garLoopResultBuilder]: At program point L276-2(lines 267 280) the Hoare annotation is: false [2022-01-10 12:27:16,263 INFO L854 garLoopResultBuilder]: At program point L368-5(lines 364 388) the Hoare annotation is: false [2022-01-10 12:27:16,263 INFO L854 garLoopResultBuilder]: At program point L420-3(lines 415 422) the Hoare annotation is: false [2022-01-10 12:27:16,263 INFO L854 garLoopResultBuilder]: At program point L360-6(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,263 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-01-10 12:27:16,263 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 66 70) no Hoare annotation was computed. [2022-01-10 12:27:16,263 INFO L854 garLoopResultBuilder]: At program point L286(lines 281 289) the Hoare annotation is: (and (= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0)) (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) (<= |ULTIMATE.start_ULTIMATE.start_isLowWaterSensorDry_#res#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:16,263 INFO L858 garLoopResultBuilder]: For program point L368-2(lines 368 385) no Hoare annotation was computed. [2022-01-10 12:27:16,263 INFO L854 garLoopResultBuilder]: At program point L263(lines 258 266) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0Int)) (.cse2 (= ~pumpRunning~0Int 0)) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|) (<= 1 ~systemActive~0Int) .cse1) (and (= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 1) (= ~waterLevel~0Int 1) .cse2 .cse1) (and .cse0 .cse2 (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) .cse1))) [2022-01-10 12:27:16,263 INFO L858 garLoopResultBuilder]: For program point L496-6(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,263 INFO L858 garLoopResultBuilder]: For program point L336-6(lines 336 342) no Hoare annotation was computed. [2022-01-10 12:27:16,263 INFO L858 garLoopResultBuilder]: For program point L515(lines 515 519) no Hoare annotation was computed. [2022-01-10 12:27:16,263 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L360-3(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 178) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L496-8(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L194-6(lines 194 198) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L336-8(lines 335 354) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L276-1(lines 267 280) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (= ~pumpRunning~0Int 0)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (= 2 ~waterLevel~0Int) .cse0 .cse1 .cse2) (and (<= 1 |ULTIMATE.start_ULTIMATE.start_isHighWaterSensorDry_#res#1Int|) (= ~waterLevel~0Int 1) .cse0 .cse1 .cse2))) [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L368-3(lines 364 388) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (= 2 ~waterLevel~0Int) .cse0 .cse1) (and (< 0 (+ |ULTIMATE.start_ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2#1Int| 1)) (<= |ULTIMATE.start_ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2#1Int| 0) (= ~waterLevel~0Int 1) .cse0 (= ~pumpRunning~0Int 0) .cse1))) [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: false [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L165-1(lines 157 181) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0Int 0)) (.cse2 (= 2 ~waterLevel~0Int)) (.cse3 (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0))) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 1) (= ~waterLevel~0Int 1) .cse0 (= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 1) .cse1) (and .cse2 .cse0 .cse3 (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) .cse1) (and .cse2 (<= 1 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|) (<= 1 ~systemActive~0Int) .cse3 .cse1))) [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L502-2(lines 487 505) the Hoare annotation is: false [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L194-8(lines 190 201) the Hoare annotation is: false [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L394-4(lines 394 411) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L343-5(lines 343 349) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L521(lines 506 524) the Hoare annotation is: (and (< 0 (+ |ULTIMATE.start_ULTIMATE.start_isLowWaterLevel_~tmp~5#1Int| 1)) (<= 1 |ULTIMATE.start_ULTIMATE.start_isLowWaterLevel_#res#1Int|) (= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (<= 1 |ULTIMATE.start_ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1Int|) (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0)) (<= |ULTIMATE.start_ULTIMATE.start_isLowWaterLevel_~tmp~5#1Int| 0) (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) (<= |ULTIMATE.start_ULTIMATE.start_isLowWaterSensorDry_#res#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L496-3(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,264 INFO L854 garLoopResultBuilder]: At program point L394-1(lines 390 414) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (= 2 ~waterLevel~0Int) .cse0 .cse1) (and (= ~waterLevel~0Int 1) .cse0 (= ~pumpRunning~0Int 0) .cse1))) [2022-01-10 12:27:16,264 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L353(lines 332 355) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0Int 0)) (.cse2 (= 2 ~waterLevel~0Int)) (.cse3 (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0))) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 1) (= ~waterLevel~0Int 1) .cse0 (= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 1) .cse1) (and .cse2 .cse0 .cse3 (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) .cse1) (and .cse2 (<= 1 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|) (<= 1 ~systemActive~0Int) .cse3 .cse1))) [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L372-6(lines 372 380) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L286-2(lines 281 289) the Hoare annotation is: false [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L368-10(lines 368 385) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L496-5(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L612(line 612) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L420-2(lines 415 422) the Hoare annotation is: false [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L360-4(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L515-6(lines 515 519) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L271-5(lines 271 277) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L360-11(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L428-1(lines 423 430) the Hoare annotation is: (and (< 0 (+ |ULTIMATE.start_ULTIMATE.start_isLowWaterLevel_~tmp~5#1Int| 1)) (= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= 1 |ULTIMATE.start_ULTIMATE.start_processEnvironment_~tmp~3#1Int|) (not (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1#1Int| 0)) (<= |ULTIMATE.start_ULTIMATE.start_isLowWaterLevel_~tmp~5#1Int| 0) (or (not (<= 0 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (not (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 0))) (<= |ULTIMATE.start_ULTIMATE.start_isLowWaterSensorDry_#res#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L502-1(lines 487 505) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (= ~pumpRunning~0Int 0)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (= 2 ~waterLevel~0Int) .cse0 .cse1 .cse2) (and (<= |ULTIMATE.start_ULTIMATE.start_isHighWaterLevel_~tmp___0~1#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start_isHighWaterLevel_#res#1Int| 0) (= ~waterLevel~0Int 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_ULTIMATE.start_isHighWaterLevel_~tmp~4#1Int|) .cse2))) [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L613(lines 608 615) the Hoare annotation is: false [2022-01-10 12:27:16,265 INFO L858 garLoopResultBuilder]: For program point L515-8(lines 515 519) no Hoare annotation was computed. [2022-01-10 12:27:16,265 INFO L854 garLoopResultBuilder]: At program point L276-5(lines 267 280) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L368-11(lines 364 388) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L447-2(lines 442 450) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L165-5(lines 157 181) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L360-1(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L372-3(lines 372 380) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L521-2(lines 506 524) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L496-15(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L394-5(lines 390 414) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L169-6(lines 169 175) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L353-2(lines 332 355) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L276(lines 267 280) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L368-1(lines 364 388) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L420-1(lines 415 422) the Hoare annotation is: (and (= 2 ~waterLevel~0Int) (<= 1 ~systemActive~0Int) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L360-2(lines 356 362) the Hoare annotation is: (let ((.cse0 (< 0 (+ |ULTIMATE.start_ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2#1Int| 1))) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2#1Int| 0)) (.cse2 (<= 1 ~systemActive~0Int)) (.cse3 (= ~pumpRunning~0Int 0)) (.cse4 (<= 1 ~waterLevel~0Int)) (.cse5 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0Int 1) .cse2 .cse3 .cse4 .cse5) (and (= 2 ~waterLevel~0Int) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L398-6(lines 398 406) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L496-17(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L612-2(line 612) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L428-3(lines 423 430) the Hoare annotation is: false [2022-01-10 12:27:16,266 INFO L858 garLoopResultBuilder]: For program point L368-8(lines 368 385) no Hoare annotation was computed. [2022-01-10 12:27:16,266 INFO L854 garLoopResultBuilder]: At program point L502-5(lines 487 505) the Hoare annotation is: false [2022-01-10 12:27:16,267 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2022-01-10 12:27:16,267 INFO L854 garLoopResultBuilder]: At program point L613-2(lines 608 615) the Hoare annotation is: false [2022-01-10 12:27:16,267 INFO L858 garLoopResultBuilder]: For program point L496-2(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,267 INFO L858 garLoopResultBuilder]: For program point L271-4(lines 271 277) no Hoare annotation was computed. [2022-01-10 12:27:16,267 INFO L854 garLoopResultBuilder]: At program point L360-9(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,267 INFO L858 garLoopResultBuilder]: For program point L372-15(lines 372 380) no Hoare annotation was computed. [2022-01-10 12:27:16,267 INFO L854 garLoopResultBuilder]: At program point L502(lines 487 505) the Hoare annotation is: false [2022-01-10 12:27:16,267 INFO L854 garLoopResultBuilder]: At program point L276-4(lines 267 280) the Hoare annotation is: false [2022-01-10 12:27:16,267 INFO L854 garLoopResultBuilder]: At program point L368-9(lines 364 388) the Hoare annotation is: false [2022-01-10 12:27:16,267 INFO L854 garLoopResultBuilder]: At program point L420-5(lines 415 422) the Hoare annotation is: false [2022-01-10 12:27:16,267 INFO L854 garLoopResultBuilder]: At program point L360-10(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,267 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2022-01-10 12:27:16,267 INFO L858 garLoopResultBuilder]: For program point L496-12(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,268 INFO L854 garLoopResultBuilder]: At program point L420(lines 415 422) the Hoare annotation is: false [2022-01-10 12:27:16,268 INFO L854 garLoopResultBuilder]: At program point L360(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,268 INFO L858 garLoopResultBuilder]: For program point L496-14(lines 496 500) no Hoare annotation was computed. [2022-01-10 12:27:16,268 INFO L854 garLoopResultBuilder]: At program point L502-4(lines 487 505) the Hoare annotation is: false [2022-01-10 12:27:16,268 INFO L858 garLoopResultBuilder]: For program point L372-12(lines 372 380) no Hoare annotation was computed. [2022-01-10 12:27:16,268 INFO L854 garLoopResultBuilder]: At program point L420-4(lines 415 422) the Hoare annotation is: false [2022-01-10 12:27:16,268 INFO L854 garLoopResultBuilder]: At program point L360-8(lines 356 362) the Hoare annotation is: false [2022-01-10 12:27:16,270 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:16,271 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 12:27:16,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:27:16 BasicIcfg [2022-01-10 12:27:16,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 12:27:16,300 INFO L158 Benchmark]: Toolchain (without parser) took 10545.51ms. Allocated memory was 174.1MB in the beginning and 364.9MB in the end (delta: 190.8MB). Free memory was 122.3MB in the beginning and 301.0MB in the end (delta: -178.7MB). Peak memory consumption was 193.5MB. Max. memory is 8.0GB. [2022-01-10 12:27:16,300 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory was 139.6MB in the beginning and 139.5MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 12:27:16,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.41ms. Allocated memory is still 174.1MB. Free memory was 122.1MB in the beginning and 134.3MB in the end (delta: -12.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-01-10 12:27:16,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.36ms. Allocated memory is still 174.1MB. Free memory was 134.3MB in the beginning and 131.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 12:27:16,301 INFO L158 Benchmark]: Boogie Preprocessor took 22.36ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 128.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 12:27:16,301 INFO L158 Benchmark]: RCFGBuilder took 540.92ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 105.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-10 12:27:16,301 INFO L158 Benchmark]: IcfgTransformer took 85.60ms. Allocated memory is still 174.1MB. Free memory was 105.5MB in the beginning and 96.1MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 12:27:16,301 INFO L158 Benchmark]: TraceAbstraction took 9426.19ms. Allocated memory was 174.1MB in the beginning and 364.9MB in the end (delta: 190.8MB). Free memory was 95.5MB in the beginning and 301.0MB in the end (delta: -205.4MB). Peak memory consumption was 166.8MB. Max. memory is 8.0GB. [2022-01-10 12:27:16,302 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 174.1MB. Free memory was 139.6MB in the beginning and 139.5MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 405.41ms. Allocated memory is still 174.1MB. Free memory was 122.1MB in the beginning and 134.3MB in the end (delta: -12.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.36ms. Allocated memory is still 174.1MB. Free memory was 134.3MB in the beginning and 131.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.36ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 128.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 540.92ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 105.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * IcfgTransformer took 85.60ms. Allocated memory is still 174.1MB. Free memory was 105.5MB in the beginning and 96.1MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 9426.19ms. Allocated memory was 174.1MB in the beginning and 364.9MB in the end (delta: 190.8MB). Free memory was 95.5MB in the beginning and 301.0MB in the end (delta: -205.4MB). Peak memory consumption was 166.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 612]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 612]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 612]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 169 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4067 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4067 mSDsluCounter, 8108 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5345 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 708 IncrementalHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 2763 mSDtfsCounter, 708 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=8, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2332 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 81 LocationsWithAnnotation, 81 PreInvPairs, 266 NumberOfFragments, 832 HoareAnnotationTreeSize, 81 FomulaSimplifications, 158182 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 81 FomulaSimplificationsInter, 264885 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 470 NumberOfCodeBlocks, 470 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 1973 SizeOfPredicates, 3 NumberOfNonLiveVariables, 564 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 38/64 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) && 0bv32 == pumpRunning) || (((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: ((((((((~bvule32(tmp, 0bv32) && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33))) && ~bvule32(\result, 0bv32)) && ~bvule32(1bv32, systemActive)) && waterLevel == 1bv32) && ~bvule32(1bv32, tmp)) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (((((((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) && 0bv32 == pumpRunning) || ((((tmp == 1bv32 && waterLevel == 1bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32))) || (((~bvule32(1bv32, systemActive) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) && 0bv32 == pumpRunning) || ((((tmp == 1bv32 && waterLevel == 1bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && ~bvule32(1bv32, \result)) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((waterLevel == 2bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((waterLevel == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((((!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32)) && ~bvule32(\result, 0bv32)) && ~bvule32(1bv32, systemActive)) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (~bvule32(1bv32, systemActive) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (((((~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33)) && ~bvule32(1bv32, systemActive)) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvule32(tmp, 0bv32)) || ((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: ((((((waterLevel == 2bv32 && ~bvule32(1bv32, waterLevel)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33))) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvule32(tmp, 0bv32)) || ((((((~bvule32(1bv32, waterLevel) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33))) && ~bvule32(1bv32, systemActive)) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvule32(tmp, 0bv32)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: ((((((((~bvule32(tmp, 0bv32) && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33))) && ~bvule32(\result, 0bv32)) && ~bvule32(1bv32, systemActive)) && waterLevel == 1bv32) && ~bvule32(1bv32, \result)) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) && ~bvule32(1bv32, tmp___0) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: (((((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) && 0bv32 == pumpRunning) || ((((tmp == 1bv32 && waterLevel == 1bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && ~bvule32(1bv32, \result)) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((~bvule32(1bv32, systemActive) && waterLevel == 1bv32) && ~bvule32(1bv32, \result)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: (((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (~bvule32(1bv32, systemActive) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: (waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((~bvule32(1bv32, systemActive) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((((((~bvule32(1bv32, tmp) && ~bvule32(1bv32, systemActive)) && waterLevel == 1bv32) && ~bvule32(tmp___0, 0bv32)) && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32)) && ~bvule32(1bv32, systemActive)) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((((waterLevel == 1bv32 && \result == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && ~bvule32(1bv32, \result)) && splverifierCounter == 0bv32)) || (((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (~bvule32(1bv32, systemActive) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((((waterLevel == 2bv32 && (!~bvule32(0bv32, \result) || !~bvule32(\result, 0bv32))) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32)) && 0bv32 == pumpRunning) || ((((tmp == 1bv32 && waterLevel == 1bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((waterLevel == 2bv32 && ~bvule32(1bv32, systemActive)) && ~bvule32(1bv32, \result)) && splverifierCounter == 0bv32) && !~bvule32(tmp, 0bv32))) || (((~bvule32(1bv32, systemActive) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (~bvule32(1bv32, systemActive) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-01-10 12:27:16,336 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...