/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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:08,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:08,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:08,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:08,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:08,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:08,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:08,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:08,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:08,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:08,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:08,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:08,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:08,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:08,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:08,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:08,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:08,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:08,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:08,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:08,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:08,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:08,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:08,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:08,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:08,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:08,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:08,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:08,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:08,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:08,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:08,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:08,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:08,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:08,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:08,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:08,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:08,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:08,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:08,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:08,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:08,377 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 06:32:08,396 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:08,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:08,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:08,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:08,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:08,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:08,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:08,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:08,399 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:08,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:08,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:08,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:08,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:08,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:08,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:08,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:08,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:08,400 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:08,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:08,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:08,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:08,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:08,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:08,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:08,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:08,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:08,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:08,402 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:08,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:08,402 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:08,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:08,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:08,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:08,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:08,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:08,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:08,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:08,641 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:08,641 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:08,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c [2022-01-10 06:32:08,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa3f1ec0/e620b25d18f94b9081420e468f4de72c/FLAG1ce4cdeca [2022-01-10 06:32:09,078 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:09,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c [2022-01-10 06:32:09,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa3f1ec0/e620b25d18f94b9081420e468f4de72c/FLAG1ce4cdeca [2022-01-10 06:32:09,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa3f1ec0/e620b25d18f94b9081420e468f4de72c [2022-01-10 06:32:09,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:09,107 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:09,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:09,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:09,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:09,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c19af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09, skipping insertion in model container [2022-01-10 06:32:09,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:09,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:09,409 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_product30.cil.c[14361,14374] [2022-01-10 06:32:09,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:09,463 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:09,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:09,533 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_product30.cil.c[14361,14374] [2022-01-10 06:32:09,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:09,551 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:09,583 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_product30.cil.c[14361,14374] [2022-01-10 06:32:09,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:09,615 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:09,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09 WrapperNode [2022-01-10 06:32:09,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:09,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:09,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:09,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:09,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,666 INFO L137 Inliner]: procedures = 57, calls = 156, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 215 [2022-01-10 06:32:09,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:09,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:09,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:09,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:09,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:09,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:09,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:09,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:09,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (1/1) ... [2022-01-10 06:32:09,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:09,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:09,721 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 06:32:09,723 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 06:32:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:32:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:32:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:32:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:32:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:32:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:32:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:32:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:32:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:09,809 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:09,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:10,070 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:10,077 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:10,077 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:10,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:10 BoogieIcfgContainer [2022-01-10 06:32:10,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:10,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:10,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:10,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:10,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:09" (1/3) ... [2022-01-10 06:32:10,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597b648e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:10, skipping insertion in model container [2022-01-10 06:32:10,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:09" (2/3) ... [2022-01-10 06:32:10,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597b648e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:10, skipping insertion in model container [2022-01-10 06:32:10,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:10" (3/3) ... [2022-01-10 06:32:10,086 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2022-01-10 06:32:10,090 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:10,090 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:10,132 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:10,137 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 06:32:10,137 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 74 states have internal predecessors, (90), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-10 06:32:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 06:32:10,174 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:10,174 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 06:32:10,175 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:10,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:10,180 INFO L85 PathProgramCache]: Analyzing trace with hash -875970518, now seen corresponding path program 1 times [2022-01-10 06:32:10,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:10,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020159148] [2022-01-10 06:32:10,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:10,195 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:10,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:10,198 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 06:32:10,199 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 06:32:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:10,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:10,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:10,386 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 06:32:10,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:10,387 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:10,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020159148] [2022-01-10 06:32:10,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1020159148] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:10,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:10,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:10,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708974574] [2022-01-10 06:32:10,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:10,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:10,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:10,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:10,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:10,422 INFO L87 Difference]: Start difference. First operand has 92 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 74 states have internal predecessors, (90), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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 06:32:10,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:10,451 INFO L93 Difference]: Finished difference Result 176 states and 235 transitions. [2022-01-10 06:32:10,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:10,453 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 06:32:10,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:10,460 INFO L225 Difference]: With dead ends: 176 [2022-01-10 06:32:10,460 INFO L226 Difference]: Without dead ends: 83 [2022-01-10 06:32:10,463 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 06:32:10,465 INFO L933 BasicCegarLoop]: 114 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, 114 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 06:32:10,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:10,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-01-10 06:32:10,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-01-10 06:32:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 66 states have internal predecessors, (76), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:32:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2022-01-10 06:32:10,499 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 105 transitions. Word has length 23 [2022-01-10 06:32:10,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:10,500 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-01-10 06:32:10,500 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 06:32:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2022-01-10 06:32:10,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 06:32:10,502 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:10,502 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 06:32:10,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:32:10,709 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 06:32:10,710 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:10,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:10,711 INFO L85 PathProgramCache]: Analyzing trace with hash 423094930, now seen corresponding path program 1 times [2022-01-10 06:32:10,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:10,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127363541] [2022-01-10 06:32:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:10,712 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:10,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:10,713 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 06:32:10,717 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 06:32:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:10,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:10,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:10,861 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 06:32:10,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:10,861 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:10,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127363541] [2022-01-10 06:32:10,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127363541] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:10,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:10,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:10,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526880012] [2022-01-10 06:32:10,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:10,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:10,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:10,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:10,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:10,864 INFO L87 Difference]: Start difference. First operand 83 states and 105 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 06:32:10,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:10,889 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions. [2022-01-10 06:32:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:10,892 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 06:32:10,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:10,895 INFO L225 Difference]: With dead ends: 131 [2022-01-10 06:32:10,898 INFO L226 Difference]: Without dead ends: 74 [2022-01-10 06:32:10,899 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 06:32:10,900 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 13 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 167 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 06:32:10,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:10,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-01-10 06:32:10,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-01-10 06:32:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 60 states have internal predecessors, (69), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:32:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2022-01-10 06:32:10,922 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 24 [2022-01-10 06:32:10,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:10,922 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2022-01-10 06:32:10,922 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 06:32:10,923 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2022-01-10 06:32:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 06:32:10,924 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:10,924 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] [2022-01-10 06:32:10,935 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 06:32:11,124 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 06:32:11,125 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:11,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:11,126 INFO L85 PathProgramCache]: Analyzing trace with hash -725593329, now seen corresponding path program 1 times [2022-01-10 06:32:11,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:11,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300297294] [2022-01-10 06:32:11,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:11,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:11,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:11,128 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 06:32:11,130 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 06:32:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:11,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:11,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:11,236 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 06:32:11,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:11,237 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:11,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300297294] [2022-01-10 06:32:11,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300297294] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:11,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:11,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:11,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657397220] [2022-01-10 06:32:11,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:11,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:11,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:11,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:11,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:11,241 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:11,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:11,263 INFO L93 Difference]: Finished difference Result 141 states and 180 transitions. [2022-01-10 06:32:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:11,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-01-10 06:32:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:11,266 INFO L225 Difference]: With dead ends: 141 [2022-01-10 06:32:11,266 INFO L226 Difference]: Without dead ends: 74 [2022-01-10 06:32:11,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:11,268 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 87 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:11,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 91 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:11,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-01-10 06:32:11,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-01-10 06:32:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 60 states have internal predecessors, (68), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:32:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2022-01-10 06:32:11,275 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 29 [2022-01-10 06:32:11,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:11,276 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2022-01-10 06:32:11,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2022-01-10 06:32:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 06:32:11,277 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:11,277 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:11,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:32:11,488 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 06:32:11,489 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:11,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:11,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2145860260, now seen corresponding path program 1 times [2022-01-10 06:32:11,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:11,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925202962] [2022-01-10 06:32:11,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:11,490 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:11,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:11,491 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 06:32:11,492 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 06:32:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:11,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:11,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:11,691 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 06:32:11,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:11,692 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:11,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925202962] [2022-01-10 06:32:11,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925202962] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:11,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:11,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:11,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694845265] [2022-01-10 06:32:11,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:11,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:11,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:11,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:11,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:11,699 INFO L87 Difference]: Start difference. First operand 74 states and 92 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 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 06:32:11,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:11,807 INFO L93 Difference]: Finished difference Result 207 states and 264 transitions. [2022-01-10 06:32:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:11,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 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 39 [2022-01-10 06:32:11,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:11,814 INFO L225 Difference]: With dead ends: 207 [2022-01-10 06:32:11,814 INFO L226 Difference]: Without dead ends: 140 [2022-01-10 06:32:11,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 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 06:32:11,823 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 55 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:11,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 438 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:11,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-01-10 06:32:11,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-01-10 06:32:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 96 states have (on average 1.28125) internal successors, (123), 109 states have internal predecessors, (123), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2022-01-10 06:32:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 172 transitions. [2022-01-10 06:32:11,852 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 172 transitions. Word has length 39 [2022-01-10 06:32:11,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:11,853 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 172 transitions. [2022-01-10 06:32:11,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 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 06:32:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2022-01-10 06:32:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-10 06:32:11,855 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:11,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:11,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 06:32:12,063 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 06:32:12,064 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:12,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:12,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1365865056, now seen corresponding path program 1 times [2022-01-10 06:32:12,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:12,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114912229] [2022-01-10 06:32:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:12,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:12,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:12,067 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 06:32:12,067 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 06:32:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:12,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:12,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:12,256 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 06:32:12,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:12,257 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:12,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114912229] [2022-01-10 06:32:12,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114912229] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:12,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:12,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:32:12,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094431504] [2022-01-10 06:32:12,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:12,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:12,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:12,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:12,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:12,261 INFO L87 Difference]: Start difference. First operand 137 states and 172 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 06:32:12,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:12,385 INFO L93 Difference]: Finished difference Result 224 states and 283 transitions. [2022-01-10 06:32:12,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:32:12,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 43 [2022-01-10 06:32:12,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:12,386 INFO L225 Difference]: With dead ends: 224 [2022-01-10 06:32:12,386 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:12,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:32:12,389 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 48 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:12,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 138 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:12,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:12,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:12,391 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 06:32:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:12,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-01-10 06:32:12,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:12,393 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:12,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 06:32:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:12,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:12,396 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:12,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-01-10 06:32:12,604 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 06:32:12,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:13,095 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 774 781) the Hoare annotation is: true [2022-01-10 06:32:13,095 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 774 781) no Hoare annotation was computed. [2022-01-10 06:32:13,095 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 774 781) no Hoare annotation was computed. [2022-01-10 06:32:13,095 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2022-01-10 06:32:13,096 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2022-01-10 06:32:13,096 INFO L858 garLoopResultBuilder]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2022-01-10 06:32:13,096 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2022-01-10 06:32:13,096 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2022-01-10 06:32:13,096 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2022-01-10 06:32:13,096 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2022-01-10 06:32:13,096 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2022-01-10 06:32:13,096 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 884) no Hoare annotation was computed. [2022-01-10 06:32:13,096 INFO L858 garLoopResultBuilder]: For program point L874(lines 874 887) no Hoare annotation was computed. [2022-01-10 06:32:13,096 INFO L854 garLoopResultBuilder]: At program point L874-1(lines 866 890) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 .cse1 (= (_ bv0 32) |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1|) (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2022-01-10 06:32:13,097 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2022-01-10 06:32:13,097 INFO L854 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,097 INFO L854 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,097 INFO L854 garLoopResultBuilder]: At program point L730(line 730) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,097 INFO L858 garLoopResultBuilder]: For program point L730-1(line 730) no Hoare annotation was computed. [2022-01-10 06:32:13,097 INFO L854 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,097 INFO L854 garLoopResultBuilder]: At program point L743-1(lines 724 748) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,097 INFO L858 garLoopResultBuilder]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2022-01-10 06:32:13,097 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2022-01-10 06:32:13,098 INFO L854 garLoopResultBuilder]: At program point L566-2(lines 562 573) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,098 INFO L858 garLoopResultBuilder]: For program point L653(line 653) no Hoare annotation was computed. [2022-01-10 06:32:13,098 INFO L854 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,098 INFO L858 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-01-10 06:32:13,098 INFO L854 garLoopResultBuilder]: At program point L798(lines 793 801) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (and (= |timeShift_isPumpRunning_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))))) [2022-01-10 06:32:13,098 INFO L858 garLoopResultBuilder]: For program point L670-1(lines 669 688) no Hoare annotation was computed. [2022-01-10 06:32:13,098 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2022-01-10 06:32:13,098 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2022-01-10 06:32:13,098 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,098 INFO L854 garLoopResultBuilder]: At program point L654(lines 649 656) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,099 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2022-01-10 06:32:13,099 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2022-01-10 06:32:13,099 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-01-10 06:32:13,099 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-01-10 06:32:13,099 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-01-10 06:32:13,099 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-01-10 06:32:13,099 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-01-10 06:32:13,099 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-01-10 06:32:13,099 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-01-10 06:32:13,099 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-01-10 06:32:13,100 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-01-10 06:32:13,100 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-01-10 06:32:13,100 INFO L854 garLoopResultBuilder]: At program point L535(lines 531 537) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,100 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 944) no Hoare annotation was computed. [2022-01-10 06:32:13,100 INFO L854 garLoopResultBuilder]: At program point L940-2(lines 932 945) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,100 INFO L858 garLoopResultBuilder]: For program point L903(lines 902 949) no Hoare annotation was computed. [2022-01-10 06:32:13,100 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 945) no Hoare annotation was computed. [2022-01-10 06:32:13,100 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:13,100 INFO L854 garLoopResultBuilder]: At program point L862(lines 857 864) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,100 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:13,100 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:13,101 INFO L854 garLoopResultBuilder]: At program point L924(line 924) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,101 INFO L861 garLoopResultBuilder]: At program point L953(lines 892 957) the Hoare annotation is: true [2022-01-10 06:32:13,101 INFO L858 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2022-01-10 06:32:13,101 INFO L858 garLoopResultBuilder]: For program point L912-1(lines 912 918) no Hoare annotation was computed. [2022-01-10 06:32:13,101 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-01-10 06:32:13,101 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-01-10 06:32:13,101 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 908) no Hoare annotation was computed. [2022-01-10 06:32:13,101 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:13,101 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-01-10 06:32:13,101 INFO L854 garLoopResultBuilder]: At program point L950(lines 901 951) the Hoare annotation is: false [2022-01-10 06:32:13,101 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-01-10 06:32:13,102 INFO L854 garLoopResultBuilder]: At program point L550(lines 545 553) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,102 INFO L854 garLoopResultBuilder]: At program point L542(lines 538 544) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,102 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2022-01-10 06:32:13,102 INFO L858 garLoopResultBuilder]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2022-01-10 06:32:13,102 INFO L854 garLoopResultBuilder]: At program point L947(lines 902 949) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,102 INFO L854 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,102 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,102 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2022-01-10 06:32:13,102 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2022-01-10 06:32:13,102 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: true [2022-01-10 06:32:13,103 INFO L858 garLoopResultBuilder]: For program point L702(lines 702 719) no Hoare annotation was computed. [2022-01-10 06:32:13,103 INFO L854 garLoopResultBuilder]: At program point L853(lines 838 856) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,103 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 851) no Hoare annotation was computed. [2022-01-10 06:32:13,103 INFO L858 garLoopResultBuilder]: For program point L847-2(lines 847 851) no Hoare annotation was computed. [2022-01-10 06:32:13,103 INFO L854 garLoopResultBuilder]: At program point L717(line 717) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,103 INFO L858 garLoopResultBuilder]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2022-01-10 06:32:13,103 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 698 722) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:13,103 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 698 722) no Hoare annotation was computed. [2022-01-10 06:32:13,103 INFO L854 garLoopResultBuilder]: At program point L712(line 712) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,103 INFO L854 garLoopResultBuilder]: At program point L644(lines 639 647) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,104 INFO L854 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:13,104 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 714) no Hoare annotation was computed. [2022-01-10 06:32:13,104 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 782 792) the Hoare annotation is: true [2022-01-10 06:32:13,104 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 782 792) no Hoare annotation was computed. [2022-01-10 06:32:13,104 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 782 792) no Hoare annotation was computed. [2022-01-10 06:32:13,104 INFO L861 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: true [2022-01-10 06:32:13,104 INFO L858 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2022-01-10 06:32:13,107 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:32:13,110 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:13,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:13 BoogieIcfgContainer [2022-01-10 06:32:13,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:13,135 INFO L158 Benchmark]: Toolchain (without parser) took 4028.32ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 139.2MB in the beginning and 182.7MB in the end (delta: -43.5MB). Peak memory consumption was 5.7MB. Max. memory is 8.0GB. [2022-01-10 06:32:13,136 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory was 156.5MB in the beginning and 156.5MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:13,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.63ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 139.0MB in the beginning and 201.0MB in the end (delta: -62.0MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2022-01-10 06:32:13,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.03ms. Allocated memory is still 239.1MB. Free memory was 201.0MB in the beginning and 198.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:13,136 INFO L158 Benchmark]: Boogie Preprocessor took 23.51ms. Allocated memory is still 239.1MB. Free memory was 198.9MB in the beginning and 197.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:13,137 INFO L158 Benchmark]: RCFGBuilder took 387.57ms. Allocated memory is still 239.1MB. Free memory was 197.3MB in the beginning and 179.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:32:13,137 INFO L158 Benchmark]: TraceAbstraction took 3054.04ms. Allocated memory is still 239.1MB. Free memory was 178.5MB in the beginning and 182.7MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:13,139 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 190.8MB. Free memory was 156.5MB in the beginning and 156.5MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 507.63ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 139.0MB in the beginning and 201.0MB in the end (delta: -62.0MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.03ms. Allocated memory is still 239.1MB. Free memory was 201.0MB in the beginning and 198.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.51ms. Allocated memory is still 239.1MB. Free memory was 198.9MB in the beginning and 197.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 387.57ms. Allocated memory is still 239.1MB. Free memory was 197.3MB in the beginning and 179.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3054.04ms. Allocated memory is still 239.1MB. Free memory was 178.5MB in the beginning and 182.7MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 653]: 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 10 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 210 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 948 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 503 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 445 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 294 PreInvPairs, 318 NumberOfFragments, 333 HoareAnnotationTreeSize, 294 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 583 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 321 SizeOfPredicates, 7 NumberOfNonLiveVariables, 795 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (\result == 0bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == tmp) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:13,185 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...