/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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:21,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:21,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:21,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:21,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:21,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:21,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:21,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:21,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:21,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:21,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:21,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:21,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:21,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:21,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:21,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:21,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:21,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:21,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:21,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:21,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:21,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:21,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:21,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:21,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:21,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:21,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:21,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:21,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:21,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:21,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:21,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:21,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:21,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:21,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:21,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:21,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:21,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:21,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:21,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:21,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:21,336 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 06:32:21,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:21,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:21,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:21,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:21,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:21,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:21,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:21,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:21,363 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:21,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:21,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:21,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:21,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:21,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:21,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:21,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:21,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:21,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:21,365 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:21,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:21,365 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:21,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:21,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:21,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:21,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:21,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:21,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:21,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:21,587 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:21,587 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:21,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2022-01-10 06:32:21,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24033a980/987734d36a214c858abfddc337e7a7c9/FLAG800d6e1ac [2022-01-10 06:32:22,005 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:22,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2022-01-10 06:32:22,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24033a980/987734d36a214c858abfddc337e7a7c9/FLAG800d6e1ac [2022-01-10 06:32:22,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24033a980/987734d36a214c858abfddc337e7a7c9 [2022-01-10 06:32:22,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:22,370 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:22,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:22,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:22,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:22,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22, skipping insertion in model container [2022-01-10 06:32:22,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:22,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:22,677 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_product45.cil.c[3064,3077] [2022-01-10 06:32:22,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:22,734 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:22,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:22,746 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_product45.cil.c[3064,3077] [2022-01-10 06:32:22,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:22,810 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:22,834 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_product45.cil.c[3064,3077] [2022-01-10 06:32:22,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:22,882 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:22,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22 WrapperNode [2022-01-10 06:32:22,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:22,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:22,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:22,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:22,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,918 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 227 [2022-01-10 06:32:22,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:22,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:22,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:22,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:22,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:22,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:22,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:22,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:22,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (1/1) ... [2022-01-10 06:32:22,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:22,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:22,984 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 06:32:22,989 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 06:32:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:32:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:32:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:32:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:32:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:32:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:32:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:23,070 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:23,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:23,291 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:23,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:23,296 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:23,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:23 BoogieIcfgContainer [2022-01-10 06:32:23,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:23,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:23,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:23,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:23,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:22" (1/3) ... [2022-01-10 06:32:23,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545b62fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:23, skipping insertion in model container [2022-01-10 06:32:23,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:22" (2/3) ... [2022-01-10 06:32:23,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545b62fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:23, skipping insertion in model container [2022-01-10 06:32:23,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:23" (3/3) ... [2022-01-10 06:32:23,303 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2022-01-10 06:32:23,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:23,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:23,336 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:23,340 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 06:32:23,340 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 77 states have internal predecessors, (95), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:32:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 06:32:23,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:23,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:23,356 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:23,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:23,359 INFO L85 PathProgramCache]: Analyzing trace with hash 775812870, now seen corresponding path program 1 times [2022-01-10 06:32:23,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:23,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271904806] [2022-01-10 06:32:23,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:23,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:23,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:23,370 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 06:32:23,371 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 06:32:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:23,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:23,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:23,854 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 06:32:23,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:23,855 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:23,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271904806] [2022-01-10 06:32:23,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271904806] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:23,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:23,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:23,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420875540] [2022-01-10 06:32:23,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:23,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:23,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:23,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:23,884 INFO L87 Difference]: Start difference. First operand has 93 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 77 states have internal predecessors, (95), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) 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 06:32:23,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:23,909 INFO L93 Difference]: Finished difference Result 178 states and 241 transitions. [2022-01-10 06:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:23,911 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 06:32:23,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:23,916 INFO L225 Difference]: With dead ends: 178 [2022-01-10 06:32:23,916 INFO L226 Difference]: Without dead ends: 84 [2022-01-10 06:32:23,919 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 06:32:23,921 INFO L933 BasicCegarLoop]: 117 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, 117 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 06:32:23,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:23,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-01-10 06:32:23,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-01-10 06:32:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 69 states have internal predecessors, (81), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:32:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-01-10 06:32:23,949 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 23 [2022-01-10 06:32:23,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:23,950 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-01-10 06:32:23,950 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 06:32:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-01-10 06:32:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 06:32:23,952 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:23,952 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 06:32:23,959 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 06:32:24,162 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 06:32:24,162 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:24,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:24,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1120816717, now seen corresponding path program 1 times [2022-01-10 06:32:24,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:24,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072557775] [2022-01-10 06:32:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:24,168 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:24,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:24,169 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 06:32:24,171 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 06:32:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:24,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:24,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:24,310 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 06:32:24,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:24,310 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:24,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072557775] [2022-01-10 06:32:24,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072557775] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:24,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:24,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:24,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644157778] [2022-01-10 06:32:24,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:24,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:24,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:24,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:24,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:24,313 INFO L87 Difference]: Start difference. First operand 84 states and 108 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 06:32:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:24,327 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2022-01-10 06:32:24,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:24,332 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 06:32:24,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:24,336 INFO L225 Difference]: With dead ends: 134 [2022-01-10 06:32:24,336 INFO L226 Difference]: Without dead ends: 75 [2022-01-10 06:32:24,339 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 06:32:24,340 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 12 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 174 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 06:32:24,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:24,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-01-10 06:32:24,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-01-10 06:32:24,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:32:24,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2022-01-10 06:32:24,354 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 24 [2022-01-10 06:32:24,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:24,355 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2022-01-10 06:32:24,355 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 06:32:24,355 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2022-01-10 06:32:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-10 06:32:24,356 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:24,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:24,362 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 06:32:24,561 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 06:32:24,562 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:24,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:24,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1182721273, now seen corresponding path program 1 times [2022-01-10 06:32:24,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:24,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220437801] [2022-01-10 06:32:24,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:24,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:24,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:24,574 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 06:32:24,576 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 06:32:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:24,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:24,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:24,666 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 06:32:24,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:24,667 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:24,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220437801] [2022-01-10 06:32:24,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220437801] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:24,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:24,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:24,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134261485] [2022-01-10 06:32:24,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:24,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:24,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:24,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:24,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:24,669 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 06:32:24,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:24,678 INFO L93 Difference]: Finished difference Result 143 states and 186 transitions. [2022-01-10 06:32:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:24,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 28 [2022-01-10 06:32:24,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:24,679 INFO L225 Difference]: With dead ends: 143 [2022-01-10 06:32:24,679 INFO L226 Difference]: Without dead ends: 75 [2022-01-10 06:32:24,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 06:32:24,680 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 78 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 94 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 06:32:24,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 94 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:24,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-01-10 06:32:24,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-01-10 06:32:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:32:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2022-01-10 06:32:24,687 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 28 [2022-01-10 06:32:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:24,687 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2022-01-10 06:32:24,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 06:32:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2022-01-10 06:32:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:32:24,688 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:24,688 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] [2022-01-10 06:32:24,715 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 06:32:24,916 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 06:32:24,916 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:24,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:24,917 INFO L85 PathProgramCache]: Analyzing trace with hash 2028009394, now seen corresponding path program 1 times [2022-01-10 06:32:24,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:24,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802958383] [2022-01-10 06:32:24,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:24,917 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:24,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:24,918 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 06:32:24,920 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 06:32:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:24,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:24,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:25,054 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 06:32:25,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:25,055 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:25,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802958383] [2022-01-10 06:32:25,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802958383] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:25,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:25,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:25,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150495811] [2022-01-10 06:32:25,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:25,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:25,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:25,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:25,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:25,057 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 06:32:25,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:25,199 INFO L93 Difference]: Finished difference Result 217 states and 273 transitions. [2022-01-10 06:32:25,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:32:25,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 38 [2022-01-10 06:32:25,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:25,200 INFO L225 Difference]: With dead ends: 217 [2022-01-10 06:32:25,200 INFO L226 Difference]: Without dead ends: 149 [2022-01-10 06:32:25,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 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 06:32:25,201 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 194 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:25,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 306 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-01-10 06:32:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2022-01-10 06:32:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 107 states have (on average 1.2429906542056075) internal successors, (133), 115 states have internal predecessors, (133), 18 states have call successors, (18), 14 states have call predecessors, (18), 17 states have return successors, (21), 19 states have call predecessors, (21), 18 states have call successors, (21) [2022-01-10 06:32:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 172 transitions. [2022-01-10 06:32:25,213 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 172 transitions. Word has length 38 [2022-01-10 06:32:25,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:25,213 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 172 transitions. [2022-01-10 06:32:25,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 06:32:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 172 transitions. [2022-01-10 06:32:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 06:32:25,215 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:25,215 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] [2022-01-10 06:32:25,235 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 06:32:25,421 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 06:32:25,422 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:25,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:25,423 INFO L85 PathProgramCache]: Analyzing trace with hash 300684586, now seen corresponding path program 1 times [2022-01-10 06:32:25,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:25,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130348769] [2022-01-10 06:32:25,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:25,424 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:25,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:25,425 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 06:32:25,429 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 06:32:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:25,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:25,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:25,723 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 06:32:25,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:25,724 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:25,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130348769] [2022-01-10 06:32:25,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130348769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:25,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:25,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:25,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229740025] [2022-01-10 06:32:25,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:25,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:25,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:25,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:25,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:25,727 INFO L87 Difference]: Start difference. First operand 143 states and 172 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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 06:32:25,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:25,834 INFO L93 Difference]: Finished difference Result 417 states and 509 transitions. [2022-01-10 06:32:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:25,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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 44 [2022-01-10 06:32:25,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:25,839 INFO L225 Difference]: With dead ends: 417 [2022-01-10 06:32:25,839 INFO L226 Difference]: Without dead ends: 281 [2022-01-10 06:32:25,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 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 06:32:25,840 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 53 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:25,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 452 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:25,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-01-10 06:32:25,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2022-01-10 06:32:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 198 states have (on average 1.2121212121212122) internal successors, (240), 213 states have internal predecessors, (240), 36 states have call successors, (36), 28 states have call predecessors, (36), 34 states have return successors, (44), 38 states have call predecessors, (44), 36 states have call successors, (44) [2022-01-10 06:32:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 320 transitions. [2022-01-10 06:32:25,901 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 320 transitions. Word has length 44 [2022-01-10 06:32:25,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:25,902 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 320 transitions. [2022-01-10 06:32:25,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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 06:32:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 320 transitions. [2022-01-10 06:32:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-10 06:32:25,924 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:25,924 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] [2022-01-10 06:32:25,941 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 06:32:26,131 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 06:32:26,132 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:26,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:26,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1931130382, now seen corresponding path program 1 times [2022-01-10 06:32:26,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:26,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906940356] [2022-01-10 06:32:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:26,134 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:26,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:26,135 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 06:32:26,136 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 06:32:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:26,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:26,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:26,331 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 06:32:26,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:26,331 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:26,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906940356] [2022-01-10 06:32:26,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906940356] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:26,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:26,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:32:26,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823865181] [2022-01-10 06:32:26,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:26,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:26,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:26,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:26,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:26,334 INFO L87 Difference]: Start difference. First operand 269 states and 320 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 06:32:26,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:26,512 INFO L93 Difference]: Finished difference Result 285 states and 334 transitions. [2022-01-10 06:32:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 06:32:26,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 48 [2022-01-10 06:32:26,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:26,514 INFO L225 Difference]: With dead ends: 285 [2022-01-10 06:32:26,514 INFO L226 Difference]: Without dead ends: 283 [2022-01-10 06:32:26,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-01-10 06:32:26,514 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 114 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:26,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 350 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2022-01-10 06:32:26,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 269. [2022-01-10 06:32:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 198 states have (on average 1.202020202020202) internal successors, (238), 213 states have internal predecessors, (238), 36 states have call successors, (36), 28 states have call predecessors, (36), 34 states have return successors, (44), 38 states have call predecessors, (44), 36 states have call successors, (44) [2022-01-10 06:32:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 318 transitions. [2022-01-10 06:32:26,526 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 318 transitions. Word has length 48 [2022-01-10 06:32:26,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:26,526 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 318 transitions. [2022-01-10 06:32:26,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 06:32:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 318 transitions. [2022-01-10 06:32:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-10 06:32:26,527 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:26,527 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] [2022-01-10 06:32:26,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-01-10 06:32:26,748 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 06:32:26,748 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:26,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:26,749 INFO L85 PathProgramCache]: Analyzing trace with hash -420556161, now seen corresponding path program 1 times [2022-01-10 06:32:26,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:26,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276583284] [2022-01-10 06:32:26,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:26,750 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:26,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:26,751 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 06:32:26,751 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 06:32:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:26,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:32:26,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:26,884 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 06:32:26,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:26,884 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:26,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276583284] [2022-01-10 06:32:26,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276583284] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:26,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:26,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:26,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613568301] [2022-01-10 06:32:26,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:26,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:32:26,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:26,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:32:26,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:32:26,886 INFO L87 Difference]: Start difference. First operand 269 states and 318 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:32:26,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:26,913 INFO L93 Difference]: Finished difference Result 547 states and 657 transitions. [2022-01-10 06:32:26,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:32:26,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-01-10 06:32:26,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:26,916 INFO L225 Difference]: With dead ends: 547 [2022-01-10 06:32:26,916 INFO L226 Difference]: Without dead ends: 285 [2022-01-10 06:32:26,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 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 06:32:26,917 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 10 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 365 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 06:32:26,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 365 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:26,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-01-10 06:32:26,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 275. [2022-01-10 06:32:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 204 states have (on average 1.196078431372549) internal successors, (244), 219 states have internal predecessors, (244), 36 states have call successors, (36), 28 states have call predecessors, (36), 34 states have return successors, (44), 38 states have call predecessors, (44), 36 states have call successors, (44) [2022-01-10 06:32:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 324 transitions. [2022-01-10 06:32:26,926 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 324 transitions. Word has length 58 [2022-01-10 06:32:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:26,927 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 324 transitions. [2022-01-10 06:32:26,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:32:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 324 transitions. [2022-01-10 06:32:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-10 06:32:26,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:26,927 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] [2022-01-10 06:32:26,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:27,134 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 06:32:27,134 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:27,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:27,135 INFO L85 PathProgramCache]: Analyzing trace with hash -397923907, now seen corresponding path program 1 times [2022-01-10 06:32:27,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:27,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070405667] [2022-01-10 06:32:27,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:27,135 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:27,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:27,136 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 06:32:27,138 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 06:32:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:27,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:32:27,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:27,290 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 06:32:27,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:27,290 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:27,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070405667] [2022-01-10 06:32:27,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070405667] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:27,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:27,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:32:27,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513224331] [2022-01-10 06:32:27,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:27,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:32:27,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:27,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:32:27,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:32:27,292 INFO L87 Difference]: Start difference. First operand 275 states and 324 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:32:27,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:27,311 INFO L93 Difference]: Finished difference Result 559 states and 669 transitions. [2022-01-10 06:32:27,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:32:27,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-01-10 06:32:27,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:27,312 INFO L225 Difference]: With dead ends: 559 [2022-01-10 06:32:27,312 INFO L226 Difference]: Without dead ends: 291 [2022-01-10 06:32:27,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 06:32:27,313 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 11 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 280 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 06:32:27,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 280 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:27,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-01-10 06:32:27,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2022-01-10 06:32:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 208 states have (on average 1.1923076923076923) internal successors, (248), 223 states have internal predecessors, (248), 36 states have call successors, (36), 28 states have call predecessors, (36), 34 states have return successors, (44), 38 states have call predecessors, (44), 36 states have call successors, (44) [2022-01-10 06:32:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 328 transitions. [2022-01-10 06:32:27,323 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 328 transitions. Word has length 58 [2022-01-10 06:32:27,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:27,323 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 328 transitions. [2022-01-10 06:32:27,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:32:27,324 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 328 transitions. [2022-01-10 06:32:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-10 06:32:27,324 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:27,324 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] [2022-01-10 06:32:27,333 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 06:32:27,531 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 06:32:27,531 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:27,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:27,532 INFO L85 PathProgramCache]: Analyzing trace with hash -123164293, now seen corresponding path program 1 times [2022-01-10 06:32:27,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:27,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687438272] [2022-01-10 06:32:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:27,532 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:27,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:27,533 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 06:32:27,535 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 06:32:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:27,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:32:27,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:27,655 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 06:32:27,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:27,655 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:27,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687438272] [2022-01-10 06:32:27,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687438272] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:27,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:27,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:27,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234167675] [2022-01-10 06:32:27,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:27,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:27,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:27,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:27,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:27,657 INFO L87 Difference]: Start difference. First operand 279 states and 328 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:32:27,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:27,673 INFO L93 Difference]: Finished difference Result 641 states and 766 transitions. [2022-01-10 06:32:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:27,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-01-10 06:32:27,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:27,675 INFO L225 Difference]: With dead ends: 641 [2022-01-10 06:32:27,675 INFO L226 Difference]: Without dead ends: 369 [2022-01-10 06:32:27,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 06:32:27,676 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 32 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:27,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 184 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-01-10 06:32:27,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2022-01-10 06:32:27,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 276 states have (on average 1.181159420289855) internal successors, (326), 293 states have internal predecessors, (326), 48 states have call successors, (48), 40 states have call predecessors, (48), 44 states have return successors, (57), 48 states have call predecessors, (57), 48 states have call successors, (57) [2022-01-10 06:32:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 431 transitions. [2022-01-10 06:32:27,688 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 431 transitions. Word has length 58 [2022-01-10 06:32:27,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:27,688 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 431 transitions. [2022-01-10 06:32:27,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:32:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 431 transitions. [2022-01-10 06:32:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-01-10 06:32:27,689 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:27,689 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, 1, 1, 1] [2022-01-10 06:32:27,712 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 06:32:27,896 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 06:32:27,896 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:27,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:27,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2137470559, now seen corresponding path program 1 times [2022-01-10 06:32:27,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:27,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593545064] [2022-01-10 06:32:27,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:27,898 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:27,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:27,904 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 06:32:27,906 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 06:32:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:27,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:27,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:28,077 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 06:32:28,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:28,078 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:28,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593545064] [2022-01-10 06:32:28,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593545064] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:28,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:28,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 06:32:28,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673433365] [2022-01-10 06:32:28,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:28,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:32:28,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:28,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:32:28,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:32:28,079 INFO L87 Difference]: Start difference. First operand 369 states and 431 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:32:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:28,170 INFO L93 Difference]: Finished difference Result 719 states and 842 transitions. [2022-01-10 06:32:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:32:28,171 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2022-01-10 06:32:28,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:28,172 INFO L225 Difference]: With dead ends: 719 [2022-01-10 06:32:28,172 INFO L226 Difference]: Without dead ends: 357 [2022-01-10 06:32:28,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:32:28,174 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 61 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:28,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 615 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:28,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-01-10 06:32:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 355. [2022-01-10 06:32:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 265 states have (on average 1.1660377358490566) internal successors, (309), 281 states have internal predecessors, (309), 47 states have call successors, (47), 40 states have call predecessors, (47), 42 states have return successors, (51), 46 states have call predecessors, (51), 47 states have call successors, (51) [2022-01-10 06:32:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 407 transitions. [2022-01-10 06:32:28,186 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 407 transitions. Word has length 62 [2022-01-10 06:32:28,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:28,186 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 407 transitions. [2022-01-10 06:32:28,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:32:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 407 transitions. [2022-01-10 06:32:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-10 06:32:28,187 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:28,187 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:28,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-01-10 06:32:28,393 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 06:32:28,394 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:28,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1836694146, now seen corresponding path program 1 times [2022-01-10 06:32:28,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:28,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701742435] [2022-01-10 06:32:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:28,395 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:28,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:28,396 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 06:32:28,398 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 06:32:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:28,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:28,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:32:28,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:28,615 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:28,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701742435] [2022-01-10 06:32:28,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701742435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:28,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:28,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 06:32:28,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774325924] [2022-01-10 06:32:28,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:28,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:32:28,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:28,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:32:28,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:32:28,617 INFO L87 Difference]: Start difference. First operand 355 states and 407 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:32:28,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:28,700 INFO L93 Difference]: Finished difference Result 579 states and 668 transitions. [2022-01-10 06:32:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:32:28,701 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2022-01-10 06:32:28,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:28,701 INFO L225 Difference]: With dead ends: 579 [2022-01-10 06:32:28,701 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:28,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:32:28,703 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 68 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:28,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 925 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:28,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:28,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:28,703 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 06:32:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:28,704 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2022-01-10 06:32:28,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:28,704 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:28,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:32:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:28,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:28,706 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:28,735 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 06:32:28,913 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 06:32:28,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:31,408 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 784 790) no Hoare annotation was computed. [2022-01-10 06:32:31,408 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 784 790) the Hoare annotation is: true [2022-01-10 06:32:31,408 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv1 32))) (or .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))))) [2022-01-10 06:32:31,408 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-01-10 06:32:31,408 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-01-10 06:32:31,408 INFO L854 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,409 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-01-10 06:32:31,409 INFO L854 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse4))) [2022-01-10 06:32:31,409 INFO L858 garLoopResultBuilder]: For program point L824-1(line 824) no Hoare annotation was computed. [2022-01-10 06:32:31,409 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 760 783) no Hoare annotation was computed. [2022-01-10 06:32:31,409 INFO L854 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse4 .cse5) (or .cse0 .cse3 .cse5) (or .cse0 .cse3 .cse6) (or .cse0 .cse4 .cse6))) [2022-01-10 06:32:31,410 INFO L854 garLoopResultBuilder]: At program point L837-1(lines 818 842) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (not .cse7)) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5 .cse7 .cse1) (or .cse2 (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) .cse6 .cse7)))) [2022-01-10 06:32:31,410 INFO L858 garLoopResultBuilder]: For program point L771-1(lines 771 777) no Hoare annotation was computed. [2022-01-10 06:32:31,410 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 158) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,410 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2022-01-10 06:32:31,410 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 182) no Hoare annotation was computed. [2022-01-10 06:32:31,410 INFO L854 garLoopResultBuilder]: At program point L169-1(lines 161 185) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (not .cse7)) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse2 (= (_ bv0 32) |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1|) .cse5) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5 .cse7 .cse1) (or .cse2 (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) .cse6 .cse7)))) [2022-01-10 06:32:31,410 INFO L854 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not .cse1) (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2 (= ~waterLevel~0 (_ bv1 32))) (or .cse0 (and (= |timeShift_isPumpRunning_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) .cse2) (or .cse0 (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) .cse2 .cse1))) [2022-01-10 06:32:31,410 INFO L858 garLoopResultBuilder]: For program point L764-1(lines 763 782) no Hoare annotation was computed. [2022-01-10 06:32:31,410 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 834) no Hoare annotation was computed. [2022-01-10 06:32:31,410 INFO L858 garLoopResultBuilder]: For program point L822(lines 822 839) no Hoare annotation was computed. [2022-01-10 06:32:31,410 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-01-10 06:32:31,411 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse4))) [2022-01-10 06:32:31,411 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 760 783) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse5 .cse6 .cse2))) [2022-01-10 06:32:31,411 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 760 783) no Hoare annotation was computed. [2022-01-10 06:32:31,411 INFO L854 garLoopResultBuilder]: At program point L873(lines 868 875) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or (and (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) .cse3) .cse0 .cse4) (or .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse4))) [2022-01-10 06:32:31,411 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2022-01-10 06:32:31,411 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (not .cse7)) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5 .cse7 .cse1) (or .cse2 (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) .cse6 .cse7)))) [2022-01-10 06:32:31,411 INFO L858 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2022-01-10 06:32:31,411 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2022-01-10 06:32:31,411 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2022-01-10 06:32:31,411 INFO L861 garLoopResultBuilder]: At program point L214(lines 189 218) the Hoare annotation is: true [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-01-10 06:32:31,412 INFO L861 garLoopResultBuilder]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-01-10 06:32:31,412 INFO L861 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2022-01-10 06:32:31,412 INFO L861 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: true [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point L195-1(line 195) no Hoare annotation was computed. [2022-01-10 06:32:31,412 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point L275-2(lines 275 282) no Hoare annotation was computed. [2022-01-10 06:32:31,412 INFO L854 garLoopResultBuilder]: At program point L304(lines 300 306) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:31,412 INFO L854 garLoopResultBuilder]: At program point L746(lines 699 747) the Hoare annotation is: false [2022-01-10 06:32:31,412 INFO L861 garLoopResultBuilder]: At program point L259(lines 252 261) the Hoare annotation is: true [2022-01-10 06:32:31,412 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point L701(lines 700 745) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L861 garLoopResultBuilder]: At program point L284(lines 265 287) the Hoare annotation is: true [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point L730(lines 730 741) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,413 INFO L854 garLoopResultBuilder]: At program point L743(lines 700 745) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point L710(lines 710 716) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point L702(lines 702 706) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L854 garLoopResultBuilder]: At program point L248(lines 244 250) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:31,413 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 740) no Hoare annotation was computed. [2022-01-10 06:32:31,413 INFO L854 garLoopResultBuilder]: At program point L319(lines 314 322) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:31,413 INFO L854 garLoopResultBuilder]: At program point L736-2(lines 730 741) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,414 INFO L854 garLoopResultBuilder]: At program point L311(lines 307 313) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:31,414 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 726) no Hoare annotation was computed. [2022-01-10 06:32:31,414 INFO L858 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2022-01-10 06:32:31,414 INFO L861 garLoopResultBuilder]: At program point L749(lines 690 753) the Hoare annotation is: true [2022-01-10 06:32:31,414 INFO L854 garLoopResultBuilder]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:32:31,414 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-01-10 06:32:31,414 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-01-10 06:32:31,414 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse3))) [2022-01-10 06:32:31,414 INFO L854 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse7 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse6 .cse7)))) [2022-01-10 06:32:31,414 INFO L854 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (and (= |processEnvironment__wrappee__methaneQuery_~tmp~6#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3) (or .cse0 .cse1 (not .cse3) (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,414 INFO L858 garLoopResultBuilder]: For program point L800(lines 800 808) no Hoare annotation was computed. [2022-01-10 06:32:31,414 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 813) no Hoare annotation was computed. [2022-01-10 06:32:31,414 INFO L858 garLoopResultBuilder]: For program point L858(lines 858 864) no Hoare annotation was computed. [2022-01-10 06:32:31,415 INFO L854 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not .cse6)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse5) (or .cse0 .cse1 .cse6) (or .cse0 .cse3 .cse4 .cse2)))) [2022-01-10 06:32:31,415 INFO L854 garLoopResultBuilder]: At program point L858-2(lines 851 867) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not .cse3)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse5 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~8#1|) (= (_ bv0 32) ~pumpRunning~0))) (or .cse0 .cse4 .cse5 .cse2)))) [2022-01-10 06:32:31,415 INFO L858 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2022-01-10 06:32:31,415 INFO L854 garLoopResultBuilder]: At program point L947(lines 932 950) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~2#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse3) (or .cse0 .cse5 .cse7) (or .cse4 .cse0 .cse1 .cse2 .cse6)))) [2022-01-10 06:32:31,415 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 792 816) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32))) (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:32:31,415 INFO L854 garLoopResultBuilder]: At program point L848(lines 843 850) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 .cse1) (or .cse0 .cse1 .cse2) (or .cse0 (not .cse2) (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,415 INFO L858 garLoopResultBuilder]: For program point L941(lines 941 945) no Hoare annotation was computed. [2022-01-10 06:32:31,415 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2022-01-10 06:32:31,415 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 792 816) no Hoare annotation was computed. [2022-01-10 06:32:31,415 INFO L858 garLoopResultBuilder]: For program point L941-2(lines 941 945) no Hoare annotation was computed. [2022-01-10 06:32:31,415 INFO L854 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:32:31,415 INFO L858 garLoopResultBuilder]: For program point L811-1(lines 792 816) no Hoare annotation was computed. [2022-01-10 06:32:31,415 INFO L861 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2022-01-10 06:32:31,415 INFO L858 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2022-01-10 06:32:31,416 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 876 886) the Hoare annotation is: true [2022-01-10 06:32:31,416 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 876 886) no Hoare annotation was computed. [2022-01-10 06:32:31,416 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 876 886) no Hoare annotation was computed. [2022-01-10 06:32:31,418 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:31,418 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:31,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:31 BoogieIcfgContainer [2022-01-10 06:32:31,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:31,434 INFO L158 Benchmark]: Toolchain (without parser) took 9063.45ms. Allocated memory was 197.1MB in the beginning and 383.8MB in the end (delta: 186.6MB). Free memory was 141.0MB in the beginning and 316.6MB in the end (delta: -175.7MB). Peak memory consumption was 196.6MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,434 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory was 157.8MB in the beginning and 157.7MB in the end (delta: 76.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:31,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.26ms. Allocated memory was 197.1MB in the beginning and 383.8MB in the end (delta: 186.6MB). Free memory was 140.8MB in the beginning and 340.7MB in the end (delta: -200.0MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.13ms. Allocated memory is still 383.8MB. Free memory was 340.7MB in the beginning and 338.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,434 INFO L158 Benchmark]: Boogie Preprocessor took 28.67ms. Allocated memory is still 383.8MB. Free memory was 338.1MB in the beginning and 336.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,434 INFO L158 Benchmark]: RCFGBuilder took 349.22ms. Allocated memory is still 383.8MB. Free memory was 336.5MB in the beginning and 319.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,435 INFO L158 Benchmark]: TraceAbstraction took 8134.60ms. Allocated memory is still 383.8MB. Free memory was 318.7MB in the beginning and 316.6MB in the end (delta: 2.1MB). Peak memory consumption was 187.2MB. Max. memory is 8.0GB. [2022-01-10 06:32:31,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory was 157.8MB in the beginning and 157.7MB in the end (delta: 76.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 510.26ms. Allocated memory was 197.1MB in the beginning and 383.8MB in the end (delta: 186.6MB). Free memory was 140.8MB in the beginning and 340.7MB in the end (delta: -200.0MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.13ms. Allocated memory is still 383.8MB. Free memory was 340.7MB in the beginning and 338.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.67ms. Allocated memory is still 383.8MB. Free memory was 338.1MB in the beginning and 336.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 349.22ms. Allocated memory is still 383.8MB. Free memory was 336.5MB in the beginning and 319.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 8134.60ms. Allocated memory is still 383.8MB. Free memory was 318.7MB in the beginning and 316.6MB in the end (delta: 2.1MB). Peak memory consumption was 187.2MB. 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: 155]: 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 9 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 662 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 633 mSDsluCounter, 3862 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2598 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 638 IncrementalHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 1264 mSDtfsCounter, 638 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 552 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=369occurred in iteration=9, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 56 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 981 PreInvPairs, 1062 NumberOfFragments, 1393 HoareAnnotationTreeSize, 981 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 2805 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 536 ConstructedInterpolants, 0 QuantifiedInterpolants, 1027 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2035 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 56/56 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: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32)) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || (methaneLevelCritical == tmp && 0bv32 == pumpRunning))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && (((tmp == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) && ((((tmp___0 == 0bv32 && \result == 0bv32) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && (((((tmp___0 == 0bv32 && \result == 0bv32) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || tmp == 1bv32) || !(methaneLevelCritical == 1bv32)) || \old(pumpRunning) == 0bv32) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) && (!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || (\result == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || tmp == 1bv32) || !(methaneLevelCritical == 1bv32)) || \old(pumpRunning) == 0bv32) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && ((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || 0bv32 == tmp) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || tmp == 1bv32) || !(methaneLevelCritical == 1bv32)) || \old(pumpRunning) == 0bv32) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:31,476 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...