/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_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 12:27:47,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 12:27:47,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 12:27:48,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 12:27:48,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 12:27:48,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 12:27:48,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 12:27:48,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 12:27:48,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 12:27:48,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 12:27:48,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 12:27:48,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 12:27:48,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 12:27:48,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 12:27:48,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 12:27:48,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 12:27:48,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 12:27:48,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 12:27:48,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 12:27:48,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 12:27:48,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 12:27:48,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 12:27:48,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 12:27:48,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 12:27:48,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 12:27:48,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 12:27:48,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 12:27:48,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 12:27:48,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 12:27:48,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 12:27:48,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 12:27:48,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 12:27:48,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 12:27:48,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 12:27:48,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 12:27:48,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 12:27:48,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 12:27:48,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 12:27:48,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 12:27:48,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 12:27:48,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 12:27:48,060 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 12:27:48,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 12:27:48,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 12:27:48,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 12:27:48,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 12:27:48,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 12:27:48,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 12:27:48,084 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 12:27:48,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 12:27:48,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 12:27:48,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 12:27:48,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 12:27:48,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 12:27:48,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 12:27:48,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 12:27:48,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 12:27:48,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 12:27:48,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 12:27:48,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 12:27:48,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 12:27:48,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 12:27:48,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 12:27:48,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:27:48,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 12:27:48,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 12:27:48,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 12:27:48,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 12:27:48,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 12:27:48,087 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 12:27:48,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 12:27:48,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 12:27:48,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 12:27:48,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 12:27:48,088 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 12:27:48,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 12:27:48,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 12:27:48,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 12:27:48,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 12:27:48,293 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 12:27:48,299 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 12:27:48,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2022-01-10 12:27:48,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6318e77b1/03307119463c43afbb64d48fb004dbac/FLAG9aed44767 [2022-01-10 12:27:48,733 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 12:27:48,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2022-01-10 12:27:48,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6318e77b1/03307119463c43afbb64d48fb004dbac/FLAG9aed44767 [2022-01-10 12:27:49,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6318e77b1/03307119463c43afbb64d48fb004dbac [2022-01-10 12:27:49,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 12:27:49,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 12:27:49,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 12:27:49,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 12:27:49,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 12:27:49,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537da1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49, skipping insertion in model container [2022-01-10 12:27:49,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 12:27:49,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:27:49,387 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_spec5_product43.cil.c[18537,18550] [2022-01-10 12:27:49,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:27:49,396 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 12:27:49,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:27:49,449 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_spec5_product43.cil.c[18537,18550] [2022-01-10 12:27:49,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:27:49,456 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 12:27:49,512 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_spec5_product43.cil.c[18537,18550] [2022-01-10 12:27:49,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:27:49,526 INFO L208 MainTranslator]: Completed translation [2022-01-10 12:27:49,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49 WrapperNode [2022-01-10 12:27:49,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 12:27:49,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 12:27:49,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 12:27:49,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 12:27:49,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,569 INFO L137 Inliner]: procedures = 58, calls = 156, calls flagged for inlining = 53, calls inlined = 65, statements flattened = 499 [2022-01-10 12:27:49,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 12:27:49,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 12:27:49,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 12:27:49,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 12:27:49,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 12:27:49,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 12:27:49,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 12:27:49,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 12:27:49,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (1/1) ... [2022-01-10 12:27:49,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:27:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:27:49,630 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 12:27:49,631 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 12:27:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 12:27:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 12:27:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 12:27:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 12:27:49,736 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 12:27:49,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 12:27:50,052 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 12:27:50,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 12:27:50,058 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 12:27:50,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:27:50 BoogieIcfgContainer [2022-01-10 12:27:50,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 12:27:50,060 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 12:27:50,060 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 12:27:50,062 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 12:27:50,064 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:27:50" (1/1) ... [2022-01-10 12:27:50,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:27:50 BasicIcfg [2022-01-10 12:27:50,137 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 12:27:50,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 12:27:50,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 12:27:50,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 12:27:50,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:27:49" (1/4) ... [2022-01-10 12:27:50,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b459301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:27:50, skipping insertion in model container [2022-01-10 12:27:50,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:27:49" (2/4) ... [2022-01-10 12:27:50,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b459301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:27:50, skipping insertion in model container [2022-01-10 12:27:50,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:27:50" (3/4) ... [2022-01-10 12:27:50,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b459301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:27:50, skipping insertion in model container [2022-01-10 12:27:50,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:27:50" (4/4) ... [2022-01-10 12:27:50,142 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.cTransformedIcfg [2022-01-10 12:27:50,145 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 12:27:50,145 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 12:27:50,172 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 12:27:50,177 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 12:27:50,177 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 12:27:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 130 states have (on average 1.3846153846153846) internal successors, (180), 133 states have internal predecessors, (180), 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 12:27:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-10 12:27:50,194 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:50,194 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] [2022-01-10 12:27:50,195 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 12:27:50,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:50,202 INFO L85 PathProgramCache]: Analyzing trace with hash 10357246, now seen corresponding path program 1 times [2022-01-10 12:27:50,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:50,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694395944] [2022-01-10 12:27:50,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:50,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:50,416 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 12:27:50,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:50,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694395944] [2022-01-10 12:27:50,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694395944] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:50,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:50,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:27:50,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012311141] [2022-01-10 12:27:50,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:50,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 12:27:50,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:50,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 12:27:50,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 12:27:50,443 INFO L87 Difference]: Start difference. First operand has 134 states, 130 states have (on average 1.3846153846153846) internal successors, (180), 133 states have internal predecessors, (180), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 12:27:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:50,471 INFO L93 Difference]: Finished difference Result 257 states and 348 transitions. [2022-01-10 12:27:50,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 12:27:50,474 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 21 [2022-01-10 12:27:50,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:50,479 INFO L225 Difference]: With dead ends: 257 [2022-01-10 12:27:50,479 INFO L226 Difference]: Without dead ends: 124 [2022-01-10 12:27:50,482 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 12:27:50,484 INFO L933 BasicCegarLoop]: 170 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, 170 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 12:27:50,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:50,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-01-10 12:27:50,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-01-10 12:27:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 121 states have (on average 1.3388429752066116) internal successors, (162), 123 states have internal predecessors, (162), 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 12:27:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2022-01-10 12:27:50,529 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 21 [2022-01-10 12:27:50,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:50,530 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2022-01-10 12:27:50,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 12:27:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2022-01-10 12:27:50,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-10 12:27:50,533 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:50,533 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] [2022-01-10 12:27:50,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 12:27:50,534 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 12:27:50,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1577944174, now seen corresponding path program 1 times [2022-01-10 12:27:50,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:50,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939630718] [2022-01-10 12:27:50,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:50,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:50,615 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 12:27:50,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:50,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939630718] [2022-01-10 12:27:50,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939630718] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:50,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:50,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:27:50,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18638312] [2022-01-10 12:27:50,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:50,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:50,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:50,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:50,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:50,618 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 12:27:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:50,672 INFO L93 Difference]: Finished difference Result 310 states and 409 transitions. [2022-01-10 12:27:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:50,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2022-01-10 12:27:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:50,674 INFO L225 Difference]: With dead ends: 310 [2022-01-10 12:27:50,674 INFO L226 Difference]: Without dead ends: 194 [2022-01-10 12:27:50,675 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 12:27:50,676 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 143 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 246 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 12:27:50,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 246 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:50,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-01-10 12:27:50,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 185. [2022-01-10 12:27:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 182 states have (on average 1.3461538461538463) internal successors, (245), 184 states have internal predecessors, (245), 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 12:27:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 245 transitions. [2022-01-10 12:27:50,689 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 245 transitions. Word has length 22 [2022-01-10 12:27:50,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:50,689 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 245 transitions. [2022-01-10 12:27:50,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 12:27:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 245 transitions. [2022-01-10 12:27:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 12:27:50,690 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:50,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:50,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 12:27:50,691 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 12:27:50,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:50,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1043124722, now seen corresponding path program 1 times [2022-01-10 12:27:50,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:50,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598294601] [2022-01-10 12:27:50,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:50,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:50,767 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 12:27:50,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:50,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598294601] [2022-01-10 12:27:50,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598294601] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:50,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:50,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:27:50,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936461989] [2022-01-10 12:27:50,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:50,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:50,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:50,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:50,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:50,770 INFO L87 Difference]: Start difference. First operand 185 states and 245 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 12:27:50,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:50,868 INFO L93 Difference]: Finished difference Result 427 states and 564 transitions. [2022-01-10 12:27:50,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:50,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2022-01-10 12:27:50,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:50,872 INFO L225 Difference]: With dead ends: 427 [2022-01-10 12:27:50,872 INFO L226 Difference]: Without dead ends: 250 [2022-01-10 12:27:50,877 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 12:27:50,878 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 122 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:50,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 248 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:27:50,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-01-10 12:27:50,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 244. [2022-01-10 12:27:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 241 states have (on average 1.3029045643153527) internal successors, (314), 243 states have internal predecessors, (314), 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 12:27:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 314 transitions. [2022-01-10 12:27:50,905 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 314 transitions. Word has length 25 [2022-01-10 12:27:50,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:50,906 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 314 transitions. [2022-01-10 12:27:50,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 12:27:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 314 transitions. [2022-01-10 12:27:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 12:27:50,910 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:50,910 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] [2022-01-10 12:27:50,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 12:27:50,911 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:50,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:50,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1068028951, now seen corresponding path program 1 times [2022-01-10 12:27:50,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:50,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132052656] [2022-01-10 12:27:50,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:50,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:51,016 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 12:27:51,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:51,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132052656] [2022-01-10 12:27:51,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132052656] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:51,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:51,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:27:51,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217118914] [2022-01-10 12:27:51,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:51,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:27:51,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:51,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:27:51,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:27:51,019 INFO L87 Difference]: Start difference. First operand 244 states and 314 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 12:27:51,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:51,263 INFO L93 Difference]: Finished difference Result 844 states and 1069 transitions. [2022-01-10 12:27:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 12:27:51,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2022-01-10 12:27:51,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:51,265 INFO L225 Difference]: With dead ends: 844 [2022-01-10 12:27:51,266 INFO L226 Difference]: Without dead ends: 608 [2022-01-10 12:27:51,266 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 12:27:51,267 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 556 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:51,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 883 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 12:27:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2022-01-10 12:27:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 238. [2022-01-10 12:27:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 235 states have (on average 1.2595744680851064) internal successors, (296), 237 states have internal predecessors, (296), 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 12:27:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 296 transitions. [2022-01-10 12:27:51,286 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 296 transitions. Word has length 31 [2022-01-10 12:27:51,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:51,287 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 296 transitions. [2022-01-10 12:27:51,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 12:27:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 296 transitions. [2022-01-10 12:27:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 12:27:51,288 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:51,288 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] [2022-01-10 12:27:51,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 12:27:51,288 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 12:27:51,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:51,289 INFO L85 PathProgramCache]: Analyzing trace with hash -424187152, now seen corresponding path program 1 times [2022-01-10 12:27:51,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:51,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328765522] [2022-01-10 12:27:51,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:51,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:51,333 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 12:27:51,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:51,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328765522] [2022-01-10 12:27:51,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328765522] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:51,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:51,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 12:27:51,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004327907] [2022-01-10 12:27:51,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:51,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:27:51,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:51,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:27:51,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:27:51,335 INFO L87 Difference]: Start difference. First operand 238 states and 296 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 12:27:51,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:51,419 INFO L93 Difference]: Finished difference Result 703 states and 868 transitions. [2022-01-10 12:27:51,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 12:27:51,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2022-01-10 12:27:51,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:51,423 INFO L225 Difference]: With dead ends: 703 [2022-01-10 12:27:51,423 INFO L226 Difference]: Without dead ends: 473 [2022-01-10 12:27:51,424 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 12:27:51,424 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 308 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:51,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 736 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:51,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-01-10 12:27:51,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 247. [2022-01-10 12:27:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 244 states have (on average 1.25) internal successors, (305), 246 states have internal predecessors, (305), 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 12:27:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 305 transitions. [2022-01-10 12:27:51,445 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 305 transitions. Word has length 35 [2022-01-10 12:27:51,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:51,445 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 305 transitions. [2022-01-10 12:27:51,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 12:27:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 305 transitions. [2022-01-10 12:27:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 12:27:51,447 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:51,447 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] [2022-01-10 12:27:51,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 12:27:51,447 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 12:27:51,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:51,448 INFO L85 PathProgramCache]: Analyzing trace with hash 929122545, now seen corresponding path program 1 times [2022-01-10 12:27:51,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:51,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923176833] [2022-01-10 12:27:51,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:51,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:51,479 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 12:27:51,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:51,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923176833] [2022-01-10 12:27:51,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923176833] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:51,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:51,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:27:51,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143651623] [2022-01-10 12:27:51,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:51,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 12:27:51,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:51,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 12:27:51,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 12:27:51,481 INFO L87 Difference]: Start difference. First operand 247 states and 305 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 12:27:51,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:51,541 INFO L93 Difference]: Finished difference Result 733 states and 898 transitions. [2022-01-10 12:27:51,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 12:27:51,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2022-01-10 12:27:51,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:51,543 INFO L225 Difference]: With dead ends: 733 [2022-01-10 12:27:51,543 INFO L226 Difference]: Without dead ends: 494 [2022-01-10 12:27:51,543 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 12:27:51,544 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 258 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:51,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 546 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:51,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-01-10 12:27:51,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 253. [2022-01-10 12:27:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 250 states have (on average 1.244) internal successors, (311), 252 states have internal predecessors, (311), 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 12:27:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 311 transitions. [2022-01-10 12:27:51,564 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 311 transitions. Word has length 35 [2022-01-10 12:27:51,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:51,564 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 311 transitions. [2022-01-10 12:27:51,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 12:27:51,564 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 311 transitions. [2022-01-10 12:27:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 12:27:51,565 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:51,565 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] [2022-01-10 12:27:51,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 12:27:51,565 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 12:27:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:51,565 INFO L85 PathProgramCache]: Analyzing trace with hash 84650674, now seen corresponding path program 1 times [2022-01-10 12:27:51,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:51,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496226331] [2022-01-10 12:27:51,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:51,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:51,591 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 12:27:51,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:51,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496226331] [2022-01-10 12:27:51,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496226331] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:51,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:51,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:27:51,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716896689] [2022-01-10 12:27:51,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:51,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:51,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:51,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:51,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:51,593 INFO L87 Difference]: Start difference. First operand 253 states and 311 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 12:27:51,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:51,621 INFO L93 Difference]: Finished difference Result 253 states and 311 transitions. [2022-01-10 12:27:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:51,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2022-01-10 12:27:51,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:51,622 INFO L225 Difference]: With dead ends: 253 [2022-01-10 12:27:51,622 INFO L226 Difference]: Without dead ends: 116 [2022-01-10 12:27:51,623 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 12:27:51,623 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 80 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 12:27:51,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:51,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-01-10 12:27:51,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-01-10 12:27:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.2782608695652173) internal successors, (147), 115 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:27:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 147 transitions. [2022-01-10 12:27:51,631 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 147 transitions. Word has length 35 [2022-01-10 12:27:51,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:51,631 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 147 transitions. [2022-01-10 12:27:51,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 12:27:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2022-01-10 12:27:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 12:27:51,631 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:51,632 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] [2022-01-10 12:27:51,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 12:27:51,632 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:51,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1630430188, now seen corresponding path program 1 times [2022-01-10 12:27:51,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:51,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030252729] [2022-01-10 12:27:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:51,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:51,678 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 12:27:51,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:51,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030252729] [2022-01-10 12:27:51,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030252729] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:51,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:51,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:27:51,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125860015] [2022-01-10 12:27:51,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:51,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:51,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:51,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:51,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:51,680 INFO L87 Difference]: Start difference. First operand 116 states and 147 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 12:27:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:51,701 INFO L93 Difference]: Finished difference Result 284 states and 362 transitions. [2022-01-10 12:27:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:51,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 41 [2022-01-10 12:27:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:51,703 INFO L225 Difference]: With dead ends: 284 [2022-01-10 12:27:51,703 INFO L226 Difference]: Without dead ends: 176 [2022-01-10 12:27:51,703 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 12:27:51,704 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 28 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:51,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 130 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-01-10 12:27:51,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2022-01-10 12:27:51,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.2571428571428571) internal successors, (220), 175 states have internal predecessors, (220), 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 12:27:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 220 transitions. [2022-01-10 12:27:51,722 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 220 transitions. Word has length 41 [2022-01-10 12:27:51,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:51,722 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 220 transitions. [2022-01-10 12:27:51,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 12:27:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 220 transitions. [2022-01-10 12:27:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-10 12:27:51,724 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:51,724 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] [2022-01-10 12:27:51,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 12:27:51,724 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:27:51,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:51,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1926788410, now seen corresponding path program 1 times [2022-01-10 12:27:51,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:51,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879239731] [2022-01-10 12:27:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:51,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:51,852 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 12:27:51,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:51,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879239731] [2022-01-10 12:27:51,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879239731] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:51,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:51,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 12:27:51,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519750137] [2022-01-10 12:27:51,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:51,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 12:27:51,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:51,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 12:27:51,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 12:27:51,855 INFO L87 Difference]: Start difference. First operand 176 states and 220 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 12:27:52,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:52,021 INFO L93 Difference]: Finished difference Result 842 states and 1078 transitions. [2022-01-10 12:27:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-10 12:27:52,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 43 [2022-01-10 12:27:52,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:52,024 INFO L225 Difference]: With dead ends: 842 [2022-01-10 12:27:52,024 INFO L226 Difference]: Without dead ends: 734 [2022-01-10 12:27:52,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-01-10 12:27:52,026 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 346 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:52,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 661 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:27:52,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2022-01-10 12:27:52,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 301. [2022-01-10 12:27:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.2566666666666666) internal successors, (377), 300 states have internal predecessors, (377), 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 12:27:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 377 transitions. [2022-01-10 12:27:52,054 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 377 transitions. Word has length 43 [2022-01-10 12:27:52,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:52,054 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 377 transitions. [2022-01-10 12:27:52,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 12:27:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 377 transitions. [2022-01-10 12:27:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-10 12:27:52,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:52,055 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1] [2022-01-10 12:27:52,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 12:27:52,055 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 12:27:52,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:52,056 INFO L85 PathProgramCache]: Analyzing trace with hash 555326732, now seen corresponding path program 1 times [2022-01-10 12:27:52,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:52,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984918346] [2022-01-10 12:27:52,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:52,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:52,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:52,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984918346] [2022-01-10 12:27:52,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984918346] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 12:27:52,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011186173] [2022-01-10 12:27:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:52,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 12:27:52,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:27:52,112 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 12:27:52,139 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 12:27:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:52,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 12:27:52,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 12:27:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:52,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 12:27:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:27:52,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011186173] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 12:27:52,504 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 12:27:52,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-01-10 12:27:52,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300548157] [2022-01-10 12:27:52,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 12:27:52,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:27:52,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:52,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:27:52,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:27:52,505 INFO L87 Difference]: Start difference. First operand 301 states and 377 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 12:27:52,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:52,574 INFO L93 Difference]: Finished difference Result 665 states and 839 transitions. [2022-01-10 12:27:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 12:27:52,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 66 [2022-01-10 12:27:52,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:52,576 INFO L225 Difference]: With dead ends: 665 [2022-01-10 12:27:52,576 INFO L226 Difference]: Without dead ends: 372 [2022-01-10 12:27:52,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-10 12:27:52,577 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 133 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:52,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 383 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:52,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-01-10 12:27:52,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 308. [2022-01-10 12:27:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 307 states have (on average 1.228013029315961) internal successors, (377), 307 states have internal predecessors, (377), 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 12:27:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 377 transitions. [2022-01-10 12:27:52,604 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 377 transitions. Word has length 66 [2022-01-10 12:27:52,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:52,604 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 377 transitions. [2022-01-10 12:27:52,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 12:27:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 377 transitions. [2022-01-10 12:27:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-01-10 12:27:52,606 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:27:52,606 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-01-10 12:27:52,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 12:27:52,822 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,SelfDestructingSolverStorable9 [2022-01-10 12:27:52,823 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 12:27:52,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:27:52,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1170754911, now seen corresponding path program 1 times [2022-01-10 12:27:52,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:27:52,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141088486] [2022-01-10 12:27:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:27:52,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:27:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:27:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-01-10 12:27:52,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:27:52,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141088486] [2022-01-10 12:27:52,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141088486] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:27:52,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:27:52,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:27:52,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507400711] [2022-01-10 12:27:52,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:27:52,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:27:52,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:27:52,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:27:52,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:27:52,883 INFO L87 Difference]: Start difference. First operand 308 states and 377 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 12:27:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:27:52,906 INFO L93 Difference]: Finished difference Result 559 states and 684 transitions. [2022-01-10 12:27:52,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:27:52,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 125 [2022-01-10 12:27:52,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:27:52,907 INFO L225 Difference]: With dead ends: 559 [2022-01-10 12:27:52,907 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 12:27:52,907 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 12:27:52,908 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 29 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:27:52,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 162 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:27:52,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 12:27:52,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 12:27:52,909 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 12:27:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 12:27:52,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2022-01-10 12:27:52,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:27:52,909 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 12:27:52,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 12:27:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 12:27:52,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 12:27:52,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 12:27:52,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 12:27:52,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 12:27:52,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 12:27:52,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 12:27:55,760 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 12:27:55,760 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 12:27:55,760 INFO L854 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (<= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= 1 ~waterLevel~0Int)) [2022-01-10 12:27:55,760 INFO L854 garLoopResultBuilder]: At program point L947(lines 943 949) the Hoare annotation is: (and (<= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= 1 ~waterLevel~0Int)) [2022-01-10 12:27:55,761 INFO L854 garLoopResultBuilder]: At program point L962(lines 957 965) the Hoare annotation is: (and (<= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= 1 ~waterLevel~0Int)) [2022-01-10 12:27:55,761 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2022-01-10 12:27:55,761 INFO L854 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (<= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= 1 ~waterLevel~0Int)) [2022-01-10 12:27:55,761 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2022-01-10 12:27:55,761 INFO L854 garLoopResultBuilder]: At program point L889(lines 884 891) the Hoare annotation is: (and (<= ~waterLevel~0Int 1) (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= 1 ~waterLevel~0Int)) [2022-01-10 12:27:55,761 INFO L861 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2022-01-10 12:27:55,761 INFO L854 garLoopResultBuilder]: At program point L533-2(lines 533 580) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0Int 0)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (< 1 |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8#1Int|) (<= 2 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|) .cse0 .cse1 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse2 (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8#1Int| 2) (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 2)) (and (<= ~waterLevel~0Int 1) .cse0 .cse1 (<= 1 ~waterLevel~0Int) .cse2) (and (= ~systemActive~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0) .cse1 .cse2) (and .cse0 (<= 1 ~pumpRunning~0Int) .cse2))) [2022-01-10 12:27:55,761 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 12:27:55,761 INFO L854 garLoopResultBuilder]: At program point L581(lines 532 582) the Hoare annotation is: false [2022-01-10 12:27:55,761 INFO L858 garLoopResultBuilder]: For program point L534(lines 533 580) no Hoare annotation was computed. [2022-01-10 12:27:55,761 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 12:27:55,761 INFO L854 garLoopResultBuilder]: At program point L712-2(lines 707 715) the Hoare annotation is: false [2022-01-10 12:27:55,761 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-01-10 12:27:55,761 INFO L854 garLoopResultBuilder]: At program point L899-1(lines 892 901) the Hoare annotation is: false [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L609-3(lines 609 615) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L543-2(lines 543 549) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L609-5(lines 605 627) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L854 garLoopResultBuilder]: At program point L806-2(lines 802 813) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0Int 0)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse2) (and (= ~systemActive~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0) .cse1 .cse2) (and .cse0 (<= 1 ~pumpRunning~0Int) .cse2))) [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L854 garLoopResultBuilder]: At program point L794-5(lines 790 801) the Hoare annotation is: false [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L641-2(lines 641 658) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L616-3(lines 616 622) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L553-2(lines 553 559) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L858 garLoopResultBuilder]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2022-01-10 12:27:55,762 INFO L854 garLoopResultBuilder]: At program point L633-3(lines 629 635) the Hoare annotation is: false [2022-01-10 12:27:55,762 INFO L854 garLoopResultBuilder]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2022-01-10 12:27:55,763 INFO L854 garLoopResultBuilder]: At program point L818-2(lines 814 825) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0Int 0)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse2) (and (<= ~waterLevel~0Int 1) .cse0 .cse1 (<= 1 ~waterLevel~0Int) .cse2) (and (= ~systemActive~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0) .cse1 .cse2) (and .cse0 (<= 1 ~pumpRunning~0Int) .cse2))) [2022-01-10 12:27:55,763 INFO L858 garLoopResultBuilder]: For program point L563(lines 563 576) no Hoare annotation was computed. [2022-01-10 12:27:55,763 INFO L854 garLoopResultBuilder]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2022-01-10 12:27:55,763 INFO L854 garLoopResultBuilder]: At program point L641-3(lines 637 661) the Hoare annotation is: false [2022-01-10 12:27:55,763 INFO L858 garLoopResultBuilder]: For program point L910-2(lines 910 927) no Hoare annotation was computed. [2022-01-10 12:27:55,763 INFO L858 garLoopResultBuilder]: For program point L569-2(lines 563 576) no Hoare annotation was computed. [2022-01-10 12:27:55,763 INFO L858 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2022-01-10 12:27:55,763 INFO L858 garLoopResultBuilder]: For program point L761-3(lines 761 765) no Hoare annotation was computed. [2022-01-10 12:27:55,763 INFO L854 garLoopResultBuilder]: At program point L712-3(lines 707 715) the Hoare annotation is: false [2022-01-10 12:27:55,763 INFO L854 garLoopResultBuilder]: At program point L910-3(lines 902 930) the Hoare annotation is: false [2022-01-10 12:27:55,763 INFO L854 garLoopResultBuilder]: At program point L712(lines 707 715) the Hoare annotation is: (let ((.cse2 (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse3 (= ~pumpRunning~0Int 0)) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int|) .cse0 (<= 1 ~pumpRunning~0Int) .cse1) (and (= ~systemActive~0Int 0) .cse2 .cse3 .cse1) (and (<= ~waterLevel~0Int 1) .cse2 .cse0 .cse3 (<= 1 ~waterLevel~0Int) .cse1) (and .cse2 .cse0 .cse3 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse1))) [2022-01-10 12:27:55,763 INFO L858 garLoopResultBuilder]: For program point L775(lines 775 781) no Hoare annotation was computed. [2022-01-10 12:27:55,763 INFO L858 garLoopResultBuilder]: For program point L761-5(lines 761 765) no Hoare annotation was computed. [2022-01-10 12:27:55,763 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-01-10 12:27:55,763 INFO L854 garLoopResultBuilder]: At program point L626-1(lines 602 628) the Hoare annotation is: false [2022-01-10 12:27:55,764 INFO L854 garLoopResultBuilder]: At program point L899(lines 892 901) the Hoare annotation is: (let ((.cse2 (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse3 (= ~pumpRunning~0Int 0)) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int|) .cse0 (<= 1 ~switchedOnBeforeTS~0Int) (<= 1 ~pumpRunning~0Int) .cse1) (and (= ~systemActive~0Int 0) .cse2 .cse3 .cse1) (and (<= ~waterLevel~0Int 1) .cse2 .cse0 .cse3 (<= 1 ~waterLevel~0Int) .cse1) (and .cse2 .cse0 .cse3 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse1))) [2022-01-10 12:27:55,764 INFO L854 garLoopResultBuilder]: At program point L693(lines 688 695) the Hoare annotation is: (and (= ~pumpRunning~0Int 0) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:55,764 INFO L858 garLoopResultBuilder]: For program point L775-2(lines 775 781) no Hoare annotation was computed. [2022-01-10 12:27:55,764 INFO L854 garLoopResultBuilder]: At program point L767-1(lines 752 770) the Hoare annotation is: false [2022-01-10 12:27:55,764 INFO L858 garLoopResultBuilder]: For program point L915-3(lines 915 921) no Hoare annotation was computed. [2022-01-10 12:27:55,764 INFO L854 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2022-01-10 12:27:55,764 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 615) no Hoare annotation was computed. [2022-01-10 12:27:55,764 INFO L854 garLoopResultBuilder]: At program point L783(lines 771 785) the Hoare annotation is: (and (= ~systemActive~0Int 0) (= ~pumpRunning~0Int 0) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:55,764 INFO L858 garLoopResultBuilder]: For program point L645-3(lines 645 653) no Hoare annotation was computed. [2022-01-10 12:27:55,764 INFO L858 garLoopResultBuilder]: For program point L971-1(line 971) no Hoare annotation was computed. [2022-01-10 12:27:55,764 INFO L861 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-01-10 12:27:55,764 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 12:27:55,764 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2022-01-10 12:27:55,764 INFO L858 garLoopResultBuilder]: For program point L609-2(lines 605 627) no Hoare annotation was computed. [2022-01-10 12:27:55,764 INFO L854 garLoopResultBuilder]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2022-01-10 12:27:55,764 INFO L854 garLoopResultBuilder]: At program point L633-2(lines 629 635) the Hoare annotation is: false [2022-01-10 12:27:55,765 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2022-01-10 12:27:55,765 INFO L854 garLoopResultBuilder]: At program point L972-1(lines 967 974) the Hoare annotation is: false [2022-01-10 12:27:55,765 INFO L861 garLoopResultBuilder]: At program point L586(lines 523 588) the Hoare annotation is: true [2022-01-10 12:27:55,765 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-01-10 12:27:55,765 INFO L854 garLoopResultBuilder]: At program point L794-2(lines 790 801) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int|) (<= 1 ~systemActive~0Int) (<= 1 ~switchedOnBeforeTS~0Int) (<= 1 ~pumpRunning~0Int) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:55,765 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2022-01-10 12:27:55,765 INFO L858 garLoopResultBuilder]: For program point L616-1(lines 616 622) no Hoare annotation was computed. [2022-01-10 12:27:55,765 INFO L854 garLoopResultBuilder]: At program point L703-1(lines 696 706) the Hoare annotation is: false [2022-01-10 12:27:55,765 INFO L861 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2022-01-10 12:27:55,765 INFO L858 garLoopResultBuilder]: For program point L432-1(lines 432 436) no Hoare annotation was computed. [2022-01-10 12:27:55,765 INFO L858 garLoopResultBuilder]: For program point L871(lines 871 877) no Hoare annotation was computed. [2022-01-10 12:27:55,765 INFO L854 garLoopResultBuilder]: At program point L633-1(lines 629 635) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int|) (<= 1 ~systemActive~0Int) (<= 1 ~switchedOnBeforeTS~0Int) (<= 1 ~pumpRunning~0Int) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:55,765 INFO L854 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse3 (<= 2 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse5 (<= ~waterLevel~0Int 2)) (.cse6 (<= 2 ~waterLevel~0Int)) (.cse1 (<= 1 ~pumpRunning~0Int)) (.cse7 (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 2)) (.cse4 (= ~pumpRunning~0Int 0)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int|) .cse0 (<= 1 ~switchedOnBeforeTS~0Int) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse6 .cse2 .cse7) (and (<= ~waterLevel~0Int 1) .cse0 .cse4 (<= 1 ~waterLevel~0Int) .cse2) (and .cse3 .cse0 .cse5 .cse6 .cse1 .cse2 .cse7) (and (= ~systemActive~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0) .cse4 .cse2))) [2022-01-10 12:27:55,766 INFO L858 garLoopResultBuilder]: For program point L678-3(lines 678 684) no Hoare annotation was computed. [2022-01-10 12:27:55,766 INFO L854 garLoopResultBuilder]: At program point L712-4(lines 707 715) the Hoare annotation is: false [2022-01-10 12:27:55,766 INFO L854 garLoopResultBuilder]: At program point L876(lines 867 880) 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 (<= 1 |ULTIMATE.start_ULTIMATE.start_isHighWaterSensorDry_#res#1Int|) (<= ~waterLevel~0Int 1) .cse0 .cse1 (<= 1 ~waterLevel~0Int) .cse2) (and .cse0 .cse1 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse2))) [2022-01-10 12:27:55,766 INFO L854 garLoopResultBuilder]: At program point L641-1(lines 637 661) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0Int)) (.cse3 (<= ~waterLevel~0Int 2)) (.cse4 (<= 2 ~waterLevel~0Int)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse5 (= ~pumpRunning~0Int 0)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int|) .cse0 (<= 1 ~switchedOnBeforeTS~0Int) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse5 .cse3 .cse4 .cse2) (and (<= ~waterLevel~0Int 1) .cse0 .cse5 (<= 1 ~waterLevel~0Int) .cse2))) [2022-01-10 12:27:55,766 INFO L858 garLoopResultBuilder]: For program point L910(lines 910 927) no Hoare annotation was computed. [2022-01-10 12:27:55,766 INFO L854 garLoopResultBuilder]: At program point L678-5(lines 671 687) the Hoare annotation is: false [2022-01-10 12:27:55,766 INFO L854 garLoopResultBuilder]: At program point L667-1(lines 662 669) the Hoare annotation is: false [2022-01-10 12:27:55,766 INFO L854 garLoopResultBuilder]: At program point L899-2(lines 892 901) the Hoare annotation is: false [2022-01-10 12:27:55,766 INFO L858 garLoopResultBuilder]: For program point L761(lines 761 765) no Hoare annotation was computed. [2022-01-10 12:27:55,766 INFO L854 garLoopResultBuilder]: At program point L712-1(lines 707 715) the Hoare annotation is: (let ((.cse2 (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse3 (= ~pumpRunning~0Int 0)) (.cse1 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int|) .cse0 (<= 1 ~switchedOnBeforeTS~0Int) (<= 1 ~pumpRunning~0Int) .cse1) (and (= ~systemActive~0Int 0) .cse2 .cse3 .cse1) (and (<= ~waterLevel~0Int 1) .cse2 .cse0 .cse3 (<= 1 ~waterLevel~0Int) .cse1))) [2022-01-10 12:27:55,766 INFO L854 garLoopResultBuilder]: At program point L910-1(lines 902 930) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0Int 0)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (< 1 |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8#1Int|) (<= 2 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|) .cse0 .cse1 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse2 (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8#1Int| 2) (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 2)) (and (<= ~waterLevel~0Int 1) .cse0 .cse1 (<= 1 ~waterLevel~0Int) .cse2) (and (= ~systemActive~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0) .cse1 .cse2) (and .cse0 (<= 1 ~pumpRunning~0Int) .cse2))) [2022-01-10 12:27:55,766 INFO L858 garLoopResultBuilder]: For program point L609-6(lines 609 615) no Hoare annotation was computed. [2022-01-10 12:27:55,766 INFO L858 garLoopResultBuilder]: For program point L761-2(lines 761 765) no Hoare annotation was computed. [2022-01-10 12:27:55,766 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L854 garLoopResultBuilder]: At program point L626(lines 602 628) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0Int 0)) (.cse0 (<= 1 ~systemActive~0Int)) (.cse2 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and (< 1 |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8#1Int|) (<= 2 |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int|) .cse0 .cse1 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse2 (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8#1Int| 2) (<= |ULTIMATE.start_ULTIMATE.start_getWaterLevel_#res#1Int| 2)) (and (<= ~waterLevel~0Int 1) .cse0 .cse1 (<= 1 ~waterLevel~0Int) .cse2) (and (= ~systemActive~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| 0) .cse1 .cse2) (and .cse0 (<= 1 ~pumpRunning~0Int) .cse2))) [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point L609-8(lines 605 627) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L854 garLoopResultBuilder]: At program point L767(lines 752 770) 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 (<= |ULTIMATE.start_ULTIMATE.start_isHighWaterLevel_~tmp___0~1#1Int| 0) (<= ~waterLevel~0Int 1) (<= |ULTIMATE.start_ULTIMATE.start_isHighWaterLevel_#res#1Int| 0) .cse0 .cse1 (<= 1 ~waterLevel~0Int) (<= 1 |ULTIMATE.start_ULTIMATE.start_isHighWaterLevel_~tmp~7#1Int|) .cse2) (and .cse0 .cse1 (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) .cse2))) [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 921) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L854 garLoopResultBuilder]: At program point L794-8(lines 790 801) the Hoare annotation is: false [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point L641-4(lines 641 658) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point L616-5(lines 616 622) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point L971(line 971) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2022-01-10 12:27:55,767 INFO L854 garLoopResultBuilder]: At program point L633-5(lines 629 635) the Hoare annotation is: false [2022-01-10 12:27:55,767 INFO L854 garLoopResultBuilder]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2022-01-10 12:27:55,767 INFO L854 garLoopResultBuilder]: At program point L831(lines 826 834) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:55,767 INFO L854 garLoopResultBuilder]: At program point L633(lines 629 635) the Hoare annotation is: (let ((.cse0 (< 0 (+ |ULTIMATE.start_ULTIMATE.start_processEnvironment_~tmp~5#1Int| 1))) (.cse1 (<= 1 ~systemActive~0Int)) (.cse2 (= ~pumpRunning~0Int 0)) (.cse3 (<= |ULTIMATE.start_ULTIMATE.start_processEnvironment_~tmp~5#1Int| 0)) (.cse4 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0Int 2) .cse3 (<= 2 ~waterLevel~0Int) .cse4) (and .cse0 (<= ~waterLevel~0Int 1) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0Int) .cse4))) [2022-01-10 12:27:55,767 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L972(lines 967 974) the Hoare annotation is: false [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L641-5(lines 637 661) the Hoare annotation is: false [2022-01-10 12:27:55,768 INFO L858 garLoopResultBuilder]: For program point L910-4(lines 910 927) no Hoare annotation was computed. [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L703(lines 696 706) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:55,768 INFO L858 garLoopResultBuilder]: For program point L761-6(lines 761 765) no Hoare annotation was computed. [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L712-5(lines 707 715) the Hoare annotation is: false [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L910-5(lines 902 930) the Hoare annotation is: false [2022-01-10 12:27:55,768 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 684) no Hoare annotation was computed. [2022-01-10 12:27:55,768 INFO L858 garLoopResultBuilder]: For program point L761-8(lines 761 765) no Hoare annotation was computed. [2022-01-10 12:27:55,768 INFO L858 garLoopResultBuilder]: For program point L914-4(lines 914 924) no Hoare annotation was computed. [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L626-2(lines 602 628) the Hoare annotation is: false [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L678-2(lines 671 687) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (<= ~waterLevel~0Int 2)) (.cse2 (<= 2 ~waterLevel~0Int)) (.cse3 (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0Int) .cse3) (and .cse0 (= ~pumpRunning~0Int 0) .cse1 .cse2 .cse3))) [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L667(lines 662 669) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= ~waterLevel~0Int 2) (<= 2 ~waterLevel~0Int) (<= 1 ~pumpRunning~0Int) (= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 0)) [2022-01-10 12:27:55,768 INFO L854 garLoopResultBuilder]: At program point L767-2(lines 752 770) the Hoare annotation is: false [2022-01-10 12:27:55,768 INFO L858 garLoopResultBuilder]: For program point L915-6(lines 915 921) no Hoare annotation was computed. [2022-01-10 12:27:55,768 INFO L858 garLoopResultBuilder]: For program point L645-6(lines 645 653) no Hoare annotation was computed. [2022-01-10 12:27:55,768 INFO L858 garLoopResultBuilder]: For program point L971-2(line 971) no Hoare annotation was computed. [2022-01-10 12:27:55,769 INFO L854 garLoopResultBuilder]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2022-01-10 12:27:55,769 INFO L854 garLoopResultBuilder]: At program point L633-4(lines 629 635) the Hoare annotation is: false [2022-01-10 12:27:55,769 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2022-01-10 12:27:55,769 INFO L854 garLoopResultBuilder]: At program point L972-2(lines 967 974) the Hoare annotation is: false [2022-01-10 12:27:55,769 INFO L854 garLoopResultBuilder]: At program point L703-2(lines 696 706) the Hoare annotation is: false [2022-01-10 12:27:55,769 INFO L858 garLoopResultBuilder]: For program point L678-6(lines 678 684) no Hoare annotation was computed. [2022-01-10 12:27:55,769 INFO L854 garLoopResultBuilder]: At program point L678-8(lines 671 687) the Hoare annotation is: false [2022-01-10 12:27:55,769 INFO L854 garLoopResultBuilder]: At program point L667-2(lines 662 669) the Hoare annotation is: false [2022-01-10 12:27:55,771 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:27:55,772 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 12:27:55,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:27:55 BasicIcfg [2022-01-10 12:27:55,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 12:27:55,811 INFO L158 Benchmark]: Toolchain (without parser) took 6674.87ms. Allocated memory was 186.6MB in the beginning and 319.8MB in the end (delta: 133.2MB). Free memory was 130.6MB in the beginning and 274.5MB in the end (delta: -143.9MB). Peak memory consumption was 164.8MB. Max. memory is 8.0GB. [2022-01-10 12:27:55,811 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 12:27:55,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.84ms. Allocated memory is still 186.6MB. Free memory was 130.4MB in the beginning and 143.8MB in the end (delta: -13.4MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2022-01-10 12:27:55,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.60ms. Allocated memory is still 186.6MB. Free memory was 143.8MB in the beginning and 140.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 12:27:55,812 INFO L158 Benchmark]: Boogie Preprocessor took 32.92ms. Allocated memory is still 186.6MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 12:27:55,812 INFO L158 Benchmark]: RCFGBuilder took 452.23ms. Allocated memory is still 186.6MB. Free memory was 138.5MB in the beginning and 117.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-10 12:27:55,812 INFO L158 Benchmark]: IcfgTransformer took 77.11ms. Allocated memory is still 186.6MB. Free memory was 117.6MB in the beginning and 109.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 12:27:55,813 INFO L158 Benchmark]: TraceAbstraction took 5673.06ms. Allocated memory was 186.6MB in the beginning and 319.8MB in the end (delta: 133.2MB). Free memory was 109.2MB in the beginning and 274.5MB in the end (delta: -165.3MB). Peak memory consumption was 143.5MB. Max. memory is 8.0GB. [2022-01-10 12:27:55,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.84ms. Allocated memory is still 186.6MB. Free memory was 130.4MB in the beginning and 143.8MB in the end (delta: -13.4MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.60ms. Allocated memory is still 186.6MB. Free memory was 143.8MB in the beginning and 140.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.92ms. Allocated memory is still 186.6MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 452.23ms. Allocated memory is still 186.6MB. Free memory was 138.5MB in the beginning and 117.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 77.11ms. Allocated memory is still 186.6MB. Free memory was 117.6MB in the beginning and 109.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 5673.06ms. Allocated memory was 186.6MB in the beginning and 319.8MB in the end (delta: 133.2MB). Free memory was 109.2MB in the beginning and 274.5MB in the end (delta: -165.3MB). Peak memory consumption was 143.5MB. 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: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: 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, 134 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1988 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1988 mSDsluCounter, 4245 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2513 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 351 IncrementalHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 1732 mSDtfsCounter, 351 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred in iteration=10, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1349 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 164 NumberOfFragments, 1000 HoareAnnotationTreeSize, 67 FomulaSimplifications, 10671 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 48819 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 545 NumberOfCodeBlocks, 545 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 1412 SizeOfPredicates, 3 NumberOfNonLiveVariables, 587 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 170/182 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: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: ((((~bvule32(1bv32, pumpRunning) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((((((~bvult64(1bv32, tmp) && ~bvule32(\result, 2bv32)) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && ~bvule32(2bv32, \result)) && ~bvule32(tmp, 2bv32)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((((~bvule32(1bv32, switchedOnBeforeTS) && ~bvule32(1bv32, pumpRunning)) && ~bvule32(1bv32, \result)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((((~bvule32(\result, 0bv32) && ~bvule32(1bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (systemActive == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((((((~bvule32(1bv32, switchedOnBeforeTS) && ~bvule32(1bv32, pumpRunning)) && ~bvule32(1bv32, \result)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || ((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((~bvule32(1bv32, pumpRunning) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32))) || ((((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((((~bvule32(1bv32, pumpRunning) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((((((~bvult64(1bv32, tmp) && ~bvule32(\result, 2bv32)) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && ~bvule32(2bv32, \result)) && ~bvule32(tmp, 2bv32)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((((~bvule32(1bv32, pumpRunning) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((((((~bvult64(1bv32, tmp) && ~bvule32(\result, 2bv32)) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && ~bvule32(2bv32, \result)) && ~bvule32(tmp, 2bv32)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (((((((~bvule32(1bv32, switchedOnBeforeTS) && ~bvule32(1bv32, pumpRunning)) && ~bvule32(1bv32, \result)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((((~bvule32(1bv32, pumpRunning) && ~bvule32(\result, 2bv32)) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && ~bvule32(2bv32, \result)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32))) || ((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((((~bvule32(\result, 2bv32) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && ~bvule32(2bv32, \result)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: ((((~bvule32(1bv32, pumpRunning) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) || ((((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) || (((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && ~bvule32(1bv32, \result)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((~bvule32(1bv32, pumpRunning) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: ((((~bvule32(1bv32, pumpRunning) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (((~bvule32(1bv32, pumpRunning) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32) - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (((((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && ~bvule32(tmp___0, 0bv32)) && ~bvule32(\result, 0bv32)) && ~bvule32(1bv32, tmp)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((((((~bvule32(1bv32, switchedOnBeforeTS) && ~bvule32(1bv32, pumpRunning)) && ~bvule32(1bv32, \result)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) || (((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((((~bvule32(\result, 0bv32) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((~bvule32(\result, 0bv32) && ~bvule32(1bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: ((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: ((((((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33))) && ~bvule32(tmp, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((((~bvule32(2bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33))) && ~bvule32(tmp, 0bv32)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (((~bvule32(1bv32, switchedOnBeforeTS) && ~bvule32(1bv32, pumpRunning)) && ~bvule32(1bv32, \result)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((((systemActive == 0bv32 && ~bvule32(\result, 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((~bvule32(1bv32, pumpRunning) && ~bvule32(1bv32, \result)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32)) || (((((~bvule32(\result, 0bv32) && ~bvule32(2bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32) && ~bvule32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((~bvule32(\result, 0bv32) && ~bvule32(1bv32, waterLevel)) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: ((~bvule32(1bv32, waterLevel) && ~bvule32(1bv32, systemActive)) && ~bvule32(waterLevel, 1bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (((~bvule32(1bv32, switchedOnBeforeTS) && ~bvule32(1bv32, pumpRunning)) && ~bvule32(1bv32, \result)) && ~bvule32(1bv32, systemActive)) && splverifierCounter == 0bv32 RESULT: Ultimate proved your program to be correct! [2022-01-10 12:27:55,875 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...