/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:33,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:33,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:33,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:33,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:33,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:33,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:33,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:33,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:33,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:33,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:33,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:33,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:33,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:33,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:33,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:33,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:33,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:33,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:34,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:34,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:34,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:34,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:34,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:34,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:34,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:34,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:34,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:34,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:34,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:34,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:34,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:34,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:34,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:34,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:34,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:34,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:34,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:34,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:34,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:34,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:34,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:32:34,039 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:34,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:34,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:34,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:34,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:34,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:34,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:34,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:34,041 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:34,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:34,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:34,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:34,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:34,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:34,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:34,042 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:34,042 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:34,042 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:34,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:34,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:34,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:34,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:34,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:34,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:34,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:34,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:34,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:34,044 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:34,044 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:34,044 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:34,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:34,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:34,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:34,045 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:34,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:34,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:34,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:34,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:34,246 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:34,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2022-01-10 06:32:34,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f39010e/db4338980031404c864b7e637ab705e8/FLAGf3f51902e [2022-01-10 06:32:34,669 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:34,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2022-01-10 06:32:34,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f39010e/db4338980031404c864b7e637ab705e8/FLAGf3f51902e [2022-01-10 06:32:34,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f39010e/db4338980031404c864b7e637ab705e8 [2022-01-10 06:32:34,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:34,691 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:34,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:34,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:34,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:34,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:34" (1/1) ... [2022-01-10 06:32:34,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb2d946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:34, skipping insertion in model container [2022-01-10 06:32:34,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:34" (1/1) ... [2022-01-10 06:32:34,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:34,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:34,875 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_spec1_product58.cil.c[1605,1618] [2022-01-10 06:32:34,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:35,011 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:35,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:35,028 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_spec1_product58.cil.c[1605,1618] [2022-01-10 06:32:35,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:35,073 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:35,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c[1605,1618] [2022-01-10 06:32:35,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:35,134 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:35,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35 WrapperNode [2022-01-10 06:32:35,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:35,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:35,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:35,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:35,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,180 INFO L137 Inliner]: procedures = 59, calls = 157, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 258 [2022-01-10 06:32:35,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:35,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:35,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:35,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:35,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:35,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:35,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:35,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:35,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (1/1) ... [2022-01-10 06:32:35,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:35,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:35,240 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 06:32:35,241 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 06:32:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:32:35,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:32:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:32:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:32:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:35,317 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:35,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:35,527 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:35,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:35,532 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:35,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:35 BoogieIcfgContainer [2022-01-10 06:32:35,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:35,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:35,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:35,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:35,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:34" (1/3) ... [2022-01-10 06:32:35,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7618637e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:35, skipping insertion in model container [2022-01-10 06:32:35,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:35" (2/3) ... [2022-01-10 06:32:35,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7618637e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:35, skipping insertion in model container [2022-01-10 06:32:35,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:35" (3/3) ... [2022-01-10 06:32:35,545 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2022-01-10 06:32:35,548 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:35,548 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:35,594 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:35,599 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 06:32:35,599 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:32:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 06:32:35,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:35,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:35,619 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:35,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:35,623 INFO L85 PathProgramCache]: Analyzing trace with hash 528843452, now seen corresponding path program 1 times [2022-01-10 06:32:35,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:35,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780279477] [2022-01-10 06:32:35,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:35,632 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:35,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:35,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:35,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:32:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:35,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:35,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:35,793 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 06:32:35,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:35,793 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:35,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780279477] [2022-01-10 06:32:35,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780279477] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:35,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:35,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:35,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785913641] [2022-01-10 06:32:35,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:35,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:35,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:35,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:35,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:35,821 INFO L87 Difference]: Start difference. First operand has 92 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:35,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:35,843 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2022-01-10 06:32:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:35,845 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-01-10 06:32:35,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:35,851 INFO L225 Difference]: With dead ends: 176 [2022-01-10 06:32:35,851 INFO L226 Difference]: Without dead ends: 83 [2022-01-10 06:32:35,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 06:32:35,857 INFO L933 BasicCegarLoop]: 116 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, 116 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 06:32:35,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:35,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-01-10 06:32:35,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-01-10 06:32:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:32:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2022-01-10 06:32:35,895 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 23 [2022-01-10 06:32:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:35,895 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2022-01-10 06:32:35,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2022-01-10 06:32:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 06:32:35,897 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:35,897 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] [2022-01-10 06:32:35,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:36,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:36,098 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:36,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:36,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1324255922, now seen corresponding path program 1 times [2022-01-10 06:32:36,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:36,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642572182] [2022-01-10 06:32:36,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:36,101 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:36,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:36,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:36,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:32:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:36,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:36,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:36,241 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 06:32:36,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:36,242 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:36,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642572182] [2022-01-10 06:32:36,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642572182] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:36,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:36,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:36,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175871314] [2022-01-10 06:32:36,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:36,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:36,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:36,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:36,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:36,245 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:36,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:36,265 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2022-01-10 06:32:36,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:36,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-01-10 06:32:36,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:36,267 INFO L225 Difference]: With dead ends: 131 [2022-01-10 06:32:36,267 INFO L226 Difference]: Without dead ends: 74 [2022-01-10 06:32:36,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 06:32:36,268 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 13 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 171 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 06:32:36,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:36,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-01-10 06:32:36,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-01-10 06:32:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:32:36,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2022-01-10 06:32:36,275 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 24 [2022-01-10 06:32:36,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:36,275 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2022-01-10 06:32:36,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2022-01-10 06:32:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 06:32:36,276 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:36,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:36,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:36,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:36,485 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:36,486 INFO L85 PathProgramCache]: Analyzing trace with hash -398467318, now seen corresponding path program 1 times [2022-01-10 06:32:36,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:36,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110128003] [2022-01-10 06:32:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:36,487 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:36,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:36,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:36,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:32:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:36,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:36,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:36,623 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 06:32:36,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:36,624 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:36,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110128003] [2022-01-10 06:32:36,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110128003] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:36,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:36,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:36,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285869112] [2022-01-10 06:32:36,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:36,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:36,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:36,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:36,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:36,629 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:36,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:36,657 INFO L93 Difference]: Finished difference Result 141 states and 184 transitions. [2022-01-10 06:32:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:36,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-01-10 06:32:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:36,661 INFO L225 Difference]: With dead ends: 141 [2022-01-10 06:32:36,661 INFO L226 Difference]: Without dead ends: 74 [2022-01-10 06:32:36,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 06:32:36,662 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:36,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:36,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-01-10 06:32:36,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-01-10 06:32:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:32:36,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2022-01-10 06:32:36,669 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 29 [2022-01-10 06:32:36,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:36,669 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2022-01-10 06:32:36,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2022-01-10 06:32:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 06:32:36,676 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:36,677 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] [2022-01-10 06:32:36,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:36,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:36,884 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:36,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1454809844, now seen corresponding path program 1 times [2022-01-10 06:32:36,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:36,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759203994] [2022-01-10 06:32:36,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:36,885 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:36,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:36,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:36,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:32:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:36,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:36,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:37,083 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 06:32:37,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:37,083 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:37,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759203994] [2022-01-10 06:32:37,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759203994] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:37,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:37,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:37,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680892396] [2022-01-10 06:32:37,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:37,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:37,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:37,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:37,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:37,089 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:32:37,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:37,251 INFO L93 Difference]: Finished difference Result 211 states and 267 transitions. [2022-01-10 06:32:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:32:37,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2022-01-10 06:32:37,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:37,256 INFO L225 Difference]: With dead ends: 211 [2022-01-10 06:32:37,256 INFO L226 Difference]: Without dead ends: 144 [2022-01-10 06:32:37,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:32:37,264 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 184 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:37,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 330 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:37,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-01-10 06:32:37,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 138. [2022-01-10 06:32:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 107 states have (on average 1.2523364485981308) internal successors, (134), 115 states have internal predecessors, (134), 15 states have call successors, (15), 12 states have call predecessors, (15), 15 states have return successors, (18), 16 states have call predecessors, (18), 15 states have call successors, (18) [2022-01-10 06:32:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 167 transitions. [2022-01-10 06:32:37,312 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 167 transitions. Word has length 39 [2022-01-10 06:32:37,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:37,312 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 167 transitions. [2022-01-10 06:32:37,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:32:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 167 transitions. [2022-01-10 06:32:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:32:37,313 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:37,314 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:37,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:37,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:37,514 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:37,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:37,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2113308012, now seen corresponding path program 1 times [2022-01-10 06:32:37,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:37,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328479] [2022-01-10 06:32:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:37,515 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:37,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:37,517 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:37,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:32:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:37,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:37,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:37,677 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 06:32:37,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:37,677 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:37,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328479] [2022-01-10 06:32:37,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328479] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:37,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:37,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:37,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830724463] [2022-01-10 06:32:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:37,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:37,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:37,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:37,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:37,679 INFO L87 Difference]: Start difference. First operand 138 states and 167 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:32:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:37,742 INFO L93 Difference]: Finished difference Result 402 states and 494 transitions. [2022-01-10 06:32:37,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:37,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-01-10 06:32:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:37,748 INFO L225 Difference]: With dead ends: 402 [2022-01-10 06:32:37,748 INFO L226 Difference]: Without dead ends: 271 [2022-01-10 06:32:37,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:32:37,750 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 51 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:37,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 461 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:37,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-01-10 06:32:37,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 259. [2022-01-10 06:32:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 198 states have (on average 1.2222222222222223) internal successors, (242), 213 states have internal predecessors, (242), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (38), 32 states have call predecessors, (38), 30 states have call successors, (38) [2022-01-10 06:32:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 310 transitions. [2022-01-10 06:32:37,786 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 310 transitions. Word has length 45 [2022-01-10 06:32:37,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:37,787 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 310 transitions. [2022-01-10 06:32:37,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:32:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 310 transitions. [2022-01-10 06:32:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:32:37,788 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:37,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:37,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:37,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:37,996 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:37,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:37,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1160176424, now seen corresponding path program 1 times [2022-01-10 06:32:37,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:37,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644299053] [2022-01-10 06:32:37,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:37,997 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:37,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:37,998 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:37,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:32:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:38,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:38,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:38,161 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 06:32:38,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:38,162 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:38,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644299053] [2022-01-10 06:32:38,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644299053] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:38,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:38,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:32:38,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757573047] [2022-01-10 06:32:38,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:38,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:38,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:38,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:38,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:38,163 INFO L87 Difference]: Start difference. First operand 259 states and 310 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:38,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:38,343 INFO L93 Difference]: Finished difference Result 275 states and 324 transitions. [2022-01-10 06:32:38,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 06:32:38,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2022-01-10 06:32:38,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:38,346 INFO L225 Difference]: With dead ends: 275 [2022-01-10 06:32:38,346 INFO L226 Difference]: Without dead ends: 273 [2022-01-10 06:32:38,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-01-10 06:32:38,347 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 104 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:38,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 369 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-01-10 06:32:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 259. [2022-01-10 06:32:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 198 states have (on average 1.2121212121212122) internal successors, (240), 213 states have internal predecessors, (240), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (38), 32 states have call predecessors, (38), 30 states have call successors, (38) [2022-01-10 06:32:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 308 transitions. [2022-01-10 06:32:38,362 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 308 transitions. Word has length 49 [2022-01-10 06:32:38,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:38,363 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 308 transitions. [2022-01-10 06:32:38,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 308 transitions. [2022-01-10 06:32:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:32:38,367 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:38,368 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:38,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:38,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:38,574 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:38,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:38,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1517229435, now seen corresponding path program 1 times [2022-01-10 06:32:38,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:38,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352105587] [2022-01-10 06:32:38,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:38,575 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:38,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:38,576 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:38,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:32:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:38,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:32:38,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:32:38,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:38,733 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:38,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352105587] [2022-01-10 06:32:38,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352105587] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:38,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:38,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:38,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540719732] [2022-01-10 06:32:38,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:38,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:32:38,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:38,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:32:38,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:32:38,735 INFO L87 Difference]: Start difference. First operand 259 states and 308 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:38,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:38,771 INFO L93 Difference]: Finished difference Result 527 states and 637 transitions. [2022-01-10 06:32:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:32:38,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-01-10 06:32:38,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:38,777 INFO L225 Difference]: With dead ends: 527 [2022-01-10 06:32:38,777 INFO L226 Difference]: Without dead ends: 275 [2022-01-10 06:32:38,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 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 06:32:38,779 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 9 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:38,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 366 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:38,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-01-10 06:32:38,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 265. [2022-01-10 06:32:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 204 states have (on average 1.2058823529411764) internal successors, (246), 219 states have internal predecessors, (246), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (38), 32 states have call predecessors, (38), 30 states have call successors, (38) [2022-01-10 06:32:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 314 transitions. [2022-01-10 06:32:38,791 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 314 transitions. Word has length 55 [2022-01-10 06:32:38,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:38,793 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 314 transitions. [2022-01-10 06:32:38,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 314 transitions. [2022-01-10 06:32:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:32:38,794 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:38,794 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:38,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-01-10 06:32:39,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:39,001 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:39,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:39,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1455189821, now seen corresponding path program 1 times [2022-01-10 06:32:39,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:39,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039380052] [2022-01-10 06:32:39,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:39,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:39,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:39,003 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:39,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:32:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:39,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:32:39,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:32:39,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:39,114 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:39,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039380052] [2022-01-10 06:32:39,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039380052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:39,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:39,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:32:39,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995879717] [2022-01-10 06:32:39,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:39,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:32:39,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:39,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:32:39,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:32:39,115 INFO L87 Difference]: Start difference. First operand 265 states and 314 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:39,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:39,135 INFO L93 Difference]: Finished difference Result 539 states and 649 transitions. [2022-01-10 06:32:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:32:39,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-01-10 06:32:39,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:39,137 INFO L225 Difference]: With dead ends: 539 [2022-01-10 06:32:39,137 INFO L226 Difference]: Without dead ends: 281 [2022-01-10 06:32:39,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 06:32:39,138 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 11 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:39,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 277 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:39,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-01-10 06:32:39,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2022-01-10 06:32:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 208 states have (on average 1.2019230769230769) internal successors, (250), 223 states have internal predecessors, (250), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (38), 32 states have call predecessors, (38), 30 states have call successors, (38) [2022-01-10 06:32:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 318 transitions. [2022-01-10 06:32:39,149 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 318 transitions. Word has length 55 [2022-01-10 06:32:39,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:39,150 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 318 transitions. [2022-01-10 06:32:39,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 318 transitions. [2022-01-10 06:32:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:32:39,150 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:39,150 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:39,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:39,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:39,358 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:39,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:39,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1964662911, now seen corresponding path program 1 times [2022-01-10 06:32:39,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:39,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055555511] [2022-01-10 06:32:39,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:39,358 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:39,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:39,359 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:39,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:32:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:39,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:32:39,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:32:39,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:39,482 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:39,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055555511] [2022-01-10 06:32:39,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055555511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:39,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:39,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:39,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662727899] [2022-01-10 06:32:39,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:39,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:39,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:39,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:39,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:39,484 INFO L87 Difference]: Start difference. First operand 269 states and 318 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:39,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:39,504 INFO L93 Difference]: Finished difference Result 623 states and 748 transitions. [2022-01-10 06:32:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:39,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-01-10 06:32:39,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:39,521 INFO L225 Difference]: With dead ends: 623 [2022-01-10 06:32:39,521 INFO L226 Difference]: Without dead ends: 361 [2022-01-10 06:32:39,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 06:32:39,522 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 32 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:39,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 181 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:39,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-01-10 06:32:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2022-01-10 06:32:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 278 states have (on average 1.1870503597122302) internal successors, (330), 295 states have internal predecessors, (330), 42 states have call successors, (42), 36 states have call predecessors, (42), 40 states have return successors, (51), 42 states have call predecessors, (51), 42 states have call successors, (51) [2022-01-10 06:32:39,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 423 transitions. [2022-01-10 06:32:39,535 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 423 transitions. Word has length 55 [2022-01-10 06:32:39,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:39,535 INFO L470 AbstractCegarLoop]: Abstraction has 361 states and 423 transitions. [2022-01-10 06:32:39,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:32:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 423 transitions. [2022-01-10 06:32:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 06:32:39,536 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:39,536 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:39,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:39,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:39,743 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:39,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:39,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1847980005, now seen corresponding path program 1 times [2022-01-10 06:32:39,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:39,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636648753] [2022-01-10 06:32:39,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:39,744 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:39,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:39,745 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:39,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:32:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:39,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:32:39,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:32:39,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:39,927 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:39,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636648753] [2022-01-10 06:32:39,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1636648753] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:39,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:39,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:32:39,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016646336] [2022-01-10 06:32:39,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:39,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 06:32:39,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:39,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 06:32:39,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:32:39,929 INFO L87 Difference]: Start difference. First operand 361 states and 423 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-10 06:32:40,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:40,004 INFO L93 Difference]: Finished difference Result 703 states and 826 transitions. [2022-01-10 06:32:40,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:40,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 59 [2022-01-10 06:32:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:40,007 INFO L225 Difference]: With dead ends: 703 [2022-01-10 06:32:40,007 INFO L226 Difference]: Without dead ends: 349 [2022-01-10 06:32:40,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:32:40,008 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 68 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:40,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 493 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:40,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-01-10 06:32:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 347. [2022-01-10 06:32:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.1722846441947565) internal successors, (313), 283 states have internal predecessors, (313), 41 states have call successors, (41), 36 states have call predecessors, (41), 38 states have return successors, (45), 40 states have call predecessors, (45), 41 states have call successors, (45) [2022-01-10 06:32:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 399 transitions. [2022-01-10 06:32:40,028 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 399 transitions. Word has length 59 [2022-01-10 06:32:40,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:40,028 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 399 transitions. [2022-01-10 06:32:40,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-10 06:32:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 399 transitions. [2022-01-10 06:32:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-10 06:32:40,029 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:40,029 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 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 06:32:40,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:40,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:40,236 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:40,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:40,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1135855989, now seen corresponding path program 1 times [2022-01-10 06:32:40,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:40,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243749776] [2022-01-10 06:32:40,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:40,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:40,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:40,238 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:40,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:32:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:40,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:32:40,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:32:40,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:32:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-10 06:32:40,771 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:40,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243749776] [2022-01-10 06:32:40,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243749776] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:32:40,772 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:32:40,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2022-01-10 06:32:40,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816637471] [2022-01-10 06:32:40,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:32:40,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 06:32:40,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:40,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 06:32:40,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:32:40,773 INFO L87 Difference]: Start difference. First operand 347 states and 399 transitions. Second operand has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 12 states have internal predecessors, (114), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) [2022-01-10 06:32:41,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:41,582 INFO L93 Difference]: Finished difference Result 1814 states and 2210 transitions. [2022-01-10 06:32:41,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-10 06:32:41,582 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 12 states have internal predecessors, (114), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) Word has length 98 [2022-01-10 06:32:41,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:41,588 INFO L225 Difference]: With dead ends: 1814 [2022-01-10 06:32:41,588 INFO L226 Difference]: Without dead ends: 1566 [2022-01-10 06:32:41,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 186 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=628, Unknown=0, NotChecked=0, Total=812 [2022-01-10 06:32:41,590 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 750 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:41,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [758 Valid, 1113 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 06:32:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2022-01-10 06:32:41,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1392. [2022-01-10 06:32:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 1070 states have (on average 1.1682242990654206) internal successors, (1250), 1134 states have internal predecessors, (1250), 161 states have call successors, (161), 140 states have call predecessors, (161), 160 states have return successors, (219), 163 states have call predecessors, (219), 161 states have call successors, (219) [2022-01-10 06:32:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1630 transitions. [2022-01-10 06:32:41,645 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1630 transitions. Word has length 98 [2022-01-10 06:32:41,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:41,646 INFO L470 AbstractCegarLoop]: Abstraction has 1392 states and 1630 transitions. [2022-01-10 06:32:41,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 12 states have internal predecessors, (114), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) [2022-01-10 06:32:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1630 transitions. [2022-01-10 06:32:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-10 06:32:41,647 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:41,647 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 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 06:32:41,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:41,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:41,854 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:41,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:41,855 INFO L85 PathProgramCache]: Analyzing trace with hash -669582345, now seen corresponding path program 1 times [2022-01-10 06:32:41,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:41,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804122867] [2022-01-10 06:32:41,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:41,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:41,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:41,856 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:41,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:32:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:41,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:32:41,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 06:32:42,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:42,028 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:42,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804122867] [2022-01-10 06:32:42,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804122867] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:42,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:42,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:42,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275183344] [2022-01-10 06:32:42,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:42,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:32:42,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:42,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:32:42,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:32:42,030 INFO L87 Difference]: Start difference. First operand 1392 states and 1630 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:32:42,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:42,064 INFO L93 Difference]: Finished difference Result 1679 states and 1955 transitions. [2022-01-10 06:32:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:32:42,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-01-10 06:32:42,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:42,065 INFO L225 Difference]: With dead ends: 1679 [2022-01-10 06:32:42,065 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:42,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 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 06:32:42,068 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 36 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:42,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 335 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:42,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:42,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:42,069 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 06:32:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:42,069 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2022-01-10 06:32:42,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:42,069 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:42,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:32:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:42,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:42,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:42,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:42,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:42,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:45,154 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 304 310) no Hoare annotation was computed. [2022-01-10 06:32:45,154 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 304 310) the Hoare annotation is: true [2022-01-10 06:32:45,154 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 93 104) no Hoare annotation was computed. [2022-01-10 06:32:45,154 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 93 104) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse6 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse4 .cse0 .cse2 .cse6 .cse7))) [2022-01-10 06:32:45,154 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 93 104) no Hoare annotation was computed. [2022-01-10 06:32:45,154 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2022-01-10 06:32:45,154 INFO L858 garLoopResultBuilder]: For program point L481-2(lines 481 485) no Hoare annotation was computed. [2022-01-10 06:32:45,154 INFO L854 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (let ((.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not .cse9)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (and .cse10 .cse7)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse8 (and (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse10 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse5 .cse0 .cse8 .cse3 .cse9) (or .cse5 .cse0 .cse8 .cse6 .cse9)))) [2022-01-10 06:32:45,154 INFO L858 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L854 garLoopResultBuilder]: At program point L73-2(lines 69 80) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse0 .cse6 .cse5) (or .cse0 .cse1 .cse2 .cse6))) [2022-01-10 06:32:45,155 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 280 303) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L858 garLoopResultBuilder]: For program point L284-1(lines 283 302) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 354) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 359) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L854 garLoopResultBuilder]: At program point L487(lines 472 490) the Hoare annotation is: (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (and (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse0 .cse6 .cse5) (or .cse4 .cse0 .cse6 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2022-01-10 06:32:45,155 INFO L854 garLoopResultBuilder]: At program point L165(lines 160 168) the Hoare annotation is: (let ((.cse2 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse5 .cse6 .cse4))) [2022-01-10 06:32:45,155 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L854 garLoopResultBuilder]: At program point L413(lines 408 416) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse6 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (and .cse6 .cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not .cse8)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse4 (and .cse6 (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse7 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) .cse8) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse9) (or .cse0 .cse2 .cse3 .cse9)))) [2022-01-10 06:32:45,155 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L854 garLoopResultBuilder]: At program point L508-1(lines 500 524) the Hoare annotation is: (let ((.cse14 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse17 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse9 (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|)) (.cse10 (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32))) (.cse11 (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32))) (.cse15 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) (.cse7 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1|)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not .cse17)) (.cse4 (not .cse16)) (.cse6 (and .cse17 .cse14 .cse3)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse1 .cse4 .cse6 .cse7 .cse8) (or .cse0 .cse1 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) .cse8 .cse16) (or .cse0 .cse1 (and .cse9 .cse10 .cse2 .cse11 .cse12 .cse13 .cse14 .cse15) .cse5 .cse16) (or .cse1 .cse4 .cse7 .cse5 (and .cse2 .cse14 .cse3)) (or .cse0 .cse1 .cse4 .cse6 .cse8)))) [2022-01-10 06:32:45,155 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-01-10 06:32:45,155 INFO L854 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5) (or .cse1 .cse3 .cse4 .cse5))) [2022-01-10 06:32:45,156 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5) (or .cse1 .cse3 .cse4 .cse5))) [2022-01-10 06:32:45,156 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 280 303) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (and (= (_ bv0 32) ~pumpRunning~0) .cse8)) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse8)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse3) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse6 .cse0 .cse7)))) [2022-01-10 06:32:45,156 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 280 303) no Hoare annotation was computed. [2022-01-10 06:32:45,156 INFO L854 garLoopResultBuilder]: At program point L394(lines 389 396) the Hoare annotation is: (let ((.cse2 (and (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse4 .cse6) (or .cse1 .cse4 .cse5 .cse3))) [2022-01-10 06:32:45,156 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-01-10 06:32:45,156 INFO L854 garLoopResultBuilder]: At program point L357(line 357) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not .cse7)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7) (or .cse5 .cse0 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse5 .cse0 .cse6 .cse4) (or .cse5 .cse0 .cse3 .cse7)))) [2022-01-10 06:32:45,157 INFO L854 garLoopResultBuilder]: At program point L357-1(lines 338 362) the Hoare annotation is: (let ((.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not .cse9)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (and .cse10 .cse7)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse8 (and (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse10 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse5 .cse0 .cse8 .cse3 .cse9) (or .cse5 .cse0 .cse8 .cse6 .cse9)))) [2022-01-10 06:32:45,157 INFO L858 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2022-01-10 06:32:45,157 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-01-10 06:32:45,157 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 172 201) no Hoare annotation was computed. [2022-01-10 06:32:45,157 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 172 201) the Hoare annotation is: true [2022-01-10 06:32:45,157 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2022-01-10 06:32:45,157 INFO L861 garLoopResultBuilder]: At program point L186-1(lines 186 190) the Hoare annotation is: true [2022-01-10 06:32:45,157 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-01-10 06:32:45,157 INFO L861 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: true [2022-01-10 06:32:45,157 INFO L861 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2022-01-10 06:32:45,157 INFO L858 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2022-01-10 06:32:45,157 INFO L861 garLoopResultBuilder]: At program point L197(lines 172 201) the Hoare annotation is: true [2022-01-10 06:32:45,157 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 105 113) the Hoare annotation is: true [2022-01-10 06:32:45,157 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 105 113) no Hoare annotation was computed. [2022-01-10 06:32:45,157 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 105 113) no Hoare annotation was computed. [2022-01-10 06:32:45,158 INFO L858 garLoopResultBuilder]: For program point L258-2(lines 258 265) no Hoare annotation was computed. [2022-01-10 06:32:45,158 INFO L861 garLoopResultBuilder]: At program point L242(lines 235 244) the Hoare annotation is: true [2022-01-10 06:32:45,158 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 562) no Hoare annotation was computed. [2022-01-10 06:32:45,158 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 556 562) no Hoare annotation was computed. [2022-01-10 06:32:45,158 INFO L861 garLoopResultBuilder]: At program point L267(lines 248 270) the Hoare annotation is: true [2022-01-10 06:32:45,174 INFO L854 garLoopResultBuilder]: At program point L581(lines 536 583) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2022-01-10 06:32:45,174 INFO L854 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2022-01-10 06:32:45,174 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:45,174 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:45,174 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:45,174 INFO L854 garLoopResultBuilder]: At program point L623(lines 618 626) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:45,175 INFO L854 garLoopResultBuilder]: At program point L615(lines 611 617) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:45,175 INFO L854 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2022-01-10 06:32:45,175 INFO L854 garLoopResultBuilder]: At program point L574-2(lines 566 579) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse4 .cse1 .cse5 .cse3 .cse6) (and .cse1 .cse5 .cse2 .cse3 .cse6))) [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point L537(lines 536 583) no Hoare annotation was computed. [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2022-01-10 06:32:45,175 INFO L854 garLoopResultBuilder]: At program point L496(lines 491 498) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse4 .cse1 .cse5 .cse3 .cse6) (and .cse1 .cse5 .cse2 .cse3 .cse6))) [2022-01-10 06:32:45,175 INFO L854 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2022-01-10 06:32:45,175 INFO L861 garLoopResultBuilder]: At program point L587(lines 526 591) the Hoare annotation is: true [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2022-01-10 06:32:45,175 INFO L854 garLoopResultBuilder]: At program point L608(lines 604 610) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2022-01-10 06:32:45,175 INFO L854 garLoopResultBuilder]: At program point L584(lines 535 585) the Hoare annotation is: false [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 265) no Hoare annotation was computed. [2022-01-10 06:32:45,175 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 312 336) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2022-01-10 06:32:45,175 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 328) no Hoare annotation was computed. [2022-01-10 06:32:45,176 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 333) no Hoare annotation was computed. [2022-01-10 06:32:45,176 INFO L854 garLoopResultBuilder]: At program point L155(lines 146 159) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse0 .cse2 .cse7 .cse5 .cse6)))) [2022-01-10 06:32:45,177 INFO L854 garLoopResultBuilder]: At program point L368(lines 363 370) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2022-01-10 06:32:45,177 INFO L854 garLoopResultBuilder]: At program point L331(line 331) the Hoare annotation is: (let ((.cse3 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2022-01-10 06:32:45,177 INFO L858 garLoopResultBuilder]: For program point L331-1(lines 312 336) no Hoare annotation was computed. [2022-01-10 06:32:45,177 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 312 336) no Hoare annotation was computed. [2022-01-10 06:32:45,177 INFO L858 garLoopResultBuilder]: For program point L379(lines 379 385) no Hoare annotation was computed. [2022-01-10 06:32:45,177 INFO L854 garLoopResultBuilder]: At program point L379-2(lines 372 388) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~3#1|))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2022-01-10 06:32:45,177 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2022-01-10 06:32:45,178 INFO L854 garLoopResultBuilder]: At program point L468(lines 453 471) the Hoare annotation is: (let ((.cse7 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse7)) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse6 .cse2 .cse5 .cse7) (or .cse0 .cse6 .cse2 .cse3 .cse7)))) [2022-01-10 06:32:45,178 INFO L854 garLoopResultBuilder]: At program point L404(lines 397 407) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) .cse2) .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse2) (or .cse0 .cse3 .cse5 .cse6) (or .cse0 .cse3 .cse4 .cse6))) [2022-01-10 06:32:45,178 INFO L854 garLoopResultBuilder]: At program point L402(line 402) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse5 .cse6) (or .cse0 .cse2 .cse3 .cse6))) [2022-01-10 06:32:45,178 INFO L858 garLoopResultBuilder]: For program point L402-1(line 402) no Hoare annotation was computed. [2022-01-10 06:32:45,178 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2022-01-10 06:32:45,178 INFO L858 garLoopResultBuilder]: For program point L462-2(lines 462 466) no Hoare annotation was computed. [2022-01-10 06:32:45,178 INFO L854 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not .cse7)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse2 .cse6 .cse5 .cse4)))) [2022-01-10 06:32:45,179 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 81 92) no Hoare annotation was computed. [2022-01-10 06:32:45,179 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2022-01-10 06:32:45,179 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 81 92) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse6 .cse1 .cse5 .cse4) (or .cse6 .cse0 .cse1 .cse3 .cse4))) [2022-01-10 06:32:45,181 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:45,182 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:45,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:45 BoogieIcfgContainer [2022-01-10 06:32:45,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:45,215 INFO L158 Benchmark]: Toolchain (without parser) took 10524.39ms. Allocated memory was 208.7MB in the beginning and 259.0MB in the end (delta: 50.3MB). Free memory was 158.2MB in the beginning and 230.7MB in the end (delta: -72.5MB). Peak memory consumption was 124.6MB. Max. memory is 8.0GB. [2022-01-10 06:32:45,215 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 208.7MB. Free memory is still 175.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:45,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.03ms. Allocated memory is still 208.7MB. Free memory was 158.0MB in the beginning and 170.2MB in the end (delta: -12.2MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-01-10 06:32:45,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.56ms. Allocated memory is still 208.7MB. Free memory was 170.2MB in the beginning and 167.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:45,216 INFO L158 Benchmark]: Boogie Preprocessor took 17.39ms. Allocated memory is still 208.7MB. Free memory was 167.6MB in the beginning and 166.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:32:45,216 INFO L158 Benchmark]: RCFGBuilder took 335.43ms. Allocated memory is still 208.7MB. Free memory was 166.0MB in the beginning and 148.7MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:32:45,216 INFO L158 Benchmark]: TraceAbstraction took 9680.36ms. Allocated memory was 208.7MB in the beginning and 259.0MB in the end (delta: 50.3MB). Free memory was 148.2MB in the beginning and 230.7MB in the end (delta: -82.6MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:45,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 208.7MB. Free memory is still 175.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 443.03ms. Allocated memory is still 208.7MB. Free memory was 158.0MB in the beginning and 170.2MB in the end (delta: -12.2MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.56ms. Allocated memory is still 208.7MB. Free memory was 170.2MB in the beginning and 167.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.39ms. Allocated memory is still 208.7MB. Free memory was 167.6MB in the beginning and 166.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 335.43ms. Allocated memory is still 208.7MB. Free memory was 166.0MB in the beginning and 148.7MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 9680.36ms. Allocated memory was 208.7MB in the beginning and 259.0MB in the end (delta: 50.3MB). Free memory was 148.2MB in the beginning and 230.7MB in the end (delta: -82.6MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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 8 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1360 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1333 mSDsluCounter, 4305 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2890 mSDsCounter, 376 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1357 IncrementalHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 376 mSolverCounterUnsat, 1415 mSDtfsCounter, 1357 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 752 GetRequests, 680 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1392occurred in iteration=11, InterpolantAutomatonStates: 82, 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, 12 MinimizatonAttempts, 230 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1619 PreInvPairs, 1723 NumberOfFragments, 2746 HoareAnnotationTreeSize, 1619 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 2365 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 629 NumberOfCodeBlocks, 629 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 714 ConstructedInterpolants, 0 QuantifiedInterpolants, 1599 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2273 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 92/105 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 1 specifications checked. All of them hold - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || ((methaneLevelCritical == \result && 0bv32 == pumpRunning) && methaneLevelCritical == tmp)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && ((((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((((1bv32 == tmp___0 && \result == 0bv32) && \old(pumpRunning) == pumpRunning) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((((1bv32 == tmp___0 && \result == 0bv32) && \old(pumpRunning) == pumpRunning) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((1bv32 == tmp___0 && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(methaneLevelCritical == 0bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((1bv32 == tmp___0 && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 0bv32 && \old(pumpRunning) == pumpRunning) && waterLevel == 1bv32)) || !(methaneLevelCritical == 1bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 0bv32 && \old(pumpRunning) == pumpRunning) && waterLevel == 1bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((waterLevel == 2bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) || (((waterLevel == 2bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || ((((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((systemActive == 1bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || (methaneLevelCritical == \result && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (0bv32 == tmp && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((1bv32 == tmp___0 && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(methaneLevelCritical == 1bv32)) || \old(pumpRunning) == 0bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((((((1bv32 == tmp___0 && \result == 0bv32) && 0bv32 == tmp) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || ((0bv32 == tmp && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || waterLevel == \old(waterLevel))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((1bv32 == tmp___0 && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(methaneLevelCritical == 1bv32)) || \old(pumpRunning) == 0bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((1bv32 == tmp___0 && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || (\old(pumpRunning) == pumpRunning && waterLevel == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || (\old(pumpRunning) == pumpRunning && waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || ((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || (((((((\result == 0bv32 && 1bv32 == tmp___0) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || \old(pumpRunning) == 0bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) && ((((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: ((((((waterLevel == 2bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((waterLevel == 2bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || ((((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((systemActive == 1bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:45,257 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...