/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_spec5_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:35:07,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:35:07,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:35:07,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:35:07,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:35:07,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:35:07,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:35:07,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:35:07,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:35:07,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:35:07,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:35:07,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:35:07,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:35:07,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:35:07,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:35:07,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:35:07,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:35:07,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:35:07,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:35:07,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:35:07,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:35:07,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:35:07,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:35:07,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:35:07,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:35:07,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:35:07,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:35:07,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:35:07,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:35:07,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:35:07,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:35:07,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:35:07,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:35:07,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:35:07,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:35:07,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:35:07,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:35:07,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:35:07,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:35:07,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:35:07,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:35:07,572 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 06:35:07,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:35:07,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:35:07,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:35:07,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:35:07,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:35:07,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:35:07,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:35:07,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:35:07,606 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:35:07,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:35:07,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:35:07,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:35:07,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:35:07,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:35:07,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:35:07,608 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:35:07,608 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:35:07,608 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:35:07,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:35:07,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:35:07,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:35:07,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:35:07,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:35:07,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:07,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:35:07,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:35:07,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:35:07,610 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:35:07,610 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:35:07,610 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:35:07,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:35:07,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:35:07,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:35:07,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:35:07,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:35:07,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:35:07,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:35:07,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:35:07,824 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:35:07,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2022-01-10 06:35:07,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edb543e0d/d4197fb96f6b48c5ac4f3a7fda81c845/FLAG44a9eedb4 [2022-01-10 06:35:08,254 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:35:08,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2022-01-10 06:35:08,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edb543e0d/d4197fb96f6b48c5ac4f3a7fda81c845/FLAG44a9eedb4 [2022-01-10 06:35:08,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edb543e0d/d4197fb96f6b48c5ac4f3a7fda81c845 [2022-01-10 06:35:08,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:35:08,630 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:35:08,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:08,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:35:08,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:35:08,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:08" (1/1) ... [2022-01-10 06:35:08,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c47d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:08, skipping insertion in model container [2022-01-10 06:35:08,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:08" (1/1) ... [2022-01-10 06:35:08,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:35:08,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:08,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2022-01-10 06:35:08,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:08,926 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:35:08,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:08,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2022-01-10 06:35:09,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:09,007 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:35:09,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2022-01-10 06:35:09,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:09,082 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:35:09,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09 WrapperNode [2022-01-10 06:35:09,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:09,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:09,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:35:09,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:35:09,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,137 INFO L137 Inliner]: procedures = 54, calls = 148, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 186 [2022-01-10 06:35:09,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:09,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:35:09,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:35:09,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:35:09,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:35:09,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:35:09,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:35:09,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:35:09,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (1/1) ... [2022-01-10 06:35:09,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:09,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:35:09,188 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 06:35:09,190 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 06:35:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:35:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:35:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:35:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:35:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:35:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:35:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:35:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:35:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:35:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:35:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:35:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:35:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:35:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:35:09,285 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:35:09,286 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:35:09,482 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:35:09,486 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:35:09,487 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:35:09,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:09 BoogieIcfgContainer [2022-01-10 06:35:09,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:35:09,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:35:09,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:35:09,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:35:09,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:35:08" (1/3) ... [2022-01-10 06:35:09,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19631980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:09, skipping insertion in model container [2022-01-10 06:35:09,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:09" (2/3) ... [2022-01-10 06:35:09,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19631980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:09, skipping insertion in model container [2022-01-10 06:35:09,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:09" (3/3) ... [2022-01-10 06:35:09,495 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2022-01-10 06:35:09,499 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:35:09,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:35:09,529 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:35:09,533 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 06:35:09,534 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:35:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:35:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:35:09,550 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:09,550 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:09,551 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:09,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:09,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1621276931, now seen corresponding path program 1 times [2022-01-10 06:35:09,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:09,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185086835] [2022-01-10 06:35:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:09,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:09,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:09,566 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 06:35:09,567 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 06:35:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:09,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:35:09,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:09,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:09,789 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:09,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185086835] [2022-01-10 06:35:09,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185086835] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:09,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:09,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:09,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078548561] [2022-01-10 06:35:09,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:09,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:35:09,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:09,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:35:09,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:09,821 INFO L87 Difference]: Start difference. First operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:09,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:09,849 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2022-01-10 06:35:09,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:35:09,851 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-01-10 06:35:09,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:09,858 INFO L225 Difference]: With dead ends: 129 [2022-01-10 06:35:09,858 INFO L226 Difference]: Without dead ends: 60 [2022-01-10 06:35:09,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 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 06:35:09,864 INFO L933 BasicCegarLoop]: 84 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, 84 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 06:35:09,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:09,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-01-10 06:35:09,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-01-10 06:35:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-01-10 06:35:09,910 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 32 [2022-01-10 06:35:09,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:09,910 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-01-10 06:35:09,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-01-10 06:35:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:35:09,914 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:09,914 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:09,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:10,121 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 06:35:10,122 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:10,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:10,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1996971476, now seen corresponding path program 1 times [2022-01-10 06:35:10,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:10,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43760087] [2022-01-10 06:35:10,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:10,124 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:10,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:10,125 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 06:35:10,127 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 06:35:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:10,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:10,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:10,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:10,232 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:10,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43760087] [2022-01-10 06:35:10,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43760087] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:10,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:10,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:10,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349976241] [2022-01-10 06:35:10,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:10,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:10,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:10,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:10,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:10,234 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:10,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:10,241 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2022-01-10 06:35:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:10,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-01-10 06:35:10,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:10,243 INFO L225 Difference]: With dead ends: 84 [2022-01-10 06:35:10,243 INFO L226 Difference]: Without dead ends: 51 [2022-01-10 06:35:10,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 06:35:10,244 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 107 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 06:35:10,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:10,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-01-10 06:35:10,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-01-10 06:35:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-10 06:35:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-01-10 06:35:10,249 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 33 [2022-01-10 06:35:10,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:10,249 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-01-10 06:35:10,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-01-10 06:35:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:35:10,250 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:10,250 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:10,258 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 06:35:10,456 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 06:35:10,457 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:10,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:10,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1775458659, now seen corresponding path program 1 times [2022-01-10 06:35:10,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:10,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702764246] [2022-01-10 06:35:10,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:10,458 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:10,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:10,459 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 06:35:10,468 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 06:35:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:10,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:10,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:10,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:10,586 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:10,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702764246] [2022-01-10 06:35:10,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702764246] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:10,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:10,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:10,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677780915] [2022-01-10 06:35:10,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:10,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:10,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:10,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:10,591 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:10,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:10,609 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2022-01-10 06:35:10,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:10,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-01-10 06:35:10,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:10,611 INFO L225 Difference]: With dead ends: 94 [2022-01-10 06:35:10,611 INFO L226 Difference]: Without dead ends: 51 [2022-01-10 06:35:10,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 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 06:35:10,613 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 35 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 61 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 06:35:10,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 61 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:10,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-01-10 06:35:10,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-01-10 06:35:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-10 06:35:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2022-01-10 06:35:10,627 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 38 [2022-01-10 06:35:10,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:10,628 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2022-01-10 06:35:10,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-01-10 06:35:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 06:35:10,629 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:10,629 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:10,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:10,836 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 06:35:10,837 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:10,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:10,837 INFO L85 PathProgramCache]: Analyzing trace with hash 139044105, now seen corresponding path program 1 times [2022-01-10 06:35:10,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:10,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94244008] [2022-01-10 06:35:10,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:10,838 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:10,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:10,839 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 06:35:10,864 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 06:35:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:10,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:35:10,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:10,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:10,993 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:10,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94244008] [2022-01-10 06:35:10,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94244008] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:10,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:10,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:35:10,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608298058] [2022-01-10 06:35:10,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:10,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:10,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:10,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:10,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:10,997 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:11,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:11,080 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2022-01-10 06:35:11,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:11,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2022-01-10 06:35:11,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:11,082 INFO L225 Difference]: With dead ends: 92 [2022-01-10 06:35:11,082 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:11,083 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 06:35:11,083 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 46 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:11,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 194 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:11,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:11,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:11,084 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 06:35:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:11,084 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-01-10 06:35:11,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:11,084 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:11,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:11,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:11,087 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:11,095 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 06:35:11,287 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 06:35:11,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:11,397 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2022-01-10 06:35:11,397 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2022-01-10 06:35:11,398 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2022-01-10 06:35:11,398 INFO L861 garLoopResultBuilder]: At program point L803-2(lines 803 817) the Hoare annotation is: true [2022-01-10 06:35:11,398 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 793 822) no Hoare annotation was computed. [2022-01-10 06:35:11,398 INFO L861 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: true [2022-01-10 06:35:11,415 INFO L858 garLoopResultBuilder]: For program point L799-1(line 799) no Hoare annotation was computed. [2022-01-10 06:35:11,415 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 793 822) the Hoare annotation is: true [2022-01-10 06:35:11,415 INFO L861 garLoopResultBuilder]: At program point L818(lines 793 822) the Hoare annotation is: true [2022-01-10 06:35:11,415 INFO L858 garLoopResultBuilder]: For program point L814(line 814) no Hoare annotation was computed. [2022-01-10 06:35:11,415 INFO L858 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2022-01-10 06:35:11,415 INFO L861 garLoopResultBuilder]: At program point L807-1(lines 807 811) the Hoare annotation is: true [2022-01-10 06:35:11,416 INFO L858 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2022-01-10 06:35:11,416 INFO L858 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2022-01-10 06:35:11,416 INFO L858 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2022-01-10 06:35:11,416 INFO L861 garLoopResultBuilder]: At program point L721(lines 714 723) the Hoare annotation is: true [2022-01-10 06:35:11,416 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2022-01-10 06:35:11,416 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2022-01-10 06:35:11,416 INFO L854 garLoopResultBuilder]: At program point L428-2(lines 424 435) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32)))) [2022-01-10 06:35:11,416 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 513 539) no Hoare annotation was computed. [2022-01-10 06:35:11,416 INFO L861 garLoopResultBuilder]: At program point L544(lines 540 546) the Hoare annotation is: true [2022-01-10 06:35:11,416 INFO L861 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: true [2022-01-10 06:35:11,416 INFO L858 garLoopResultBuilder]: For program point L734-1(line 734) no Hoare annotation was computed. [2022-01-10 06:35:11,416 INFO L854 garLoopResultBuilder]: At program point L701(lines 696 703) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32)))) [2022-01-10 06:35:11,417 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 526) no Hoare annotation was computed. [2022-01-10 06:35:11,417 INFO L858 garLoopResultBuilder]: For program point L520-2(lines 516 538) no Hoare annotation was computed. [2022-01-10 06:35:11,417 INFO L861 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: true [2022-01-10 06:35:11,417 INFO L858 garLoopResultBuilder]: For program point L719-1(line 719) no Hoare annotation was computed. [2022-01-10 06:35:11,417 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 746) no Hoare annotation was computed. [2022-01-10 06:35:11,417 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2022-01-10 06:35:11,417 INFO L861 garLoopResultBuilder]: At program point L732-1(lines 724 752) the Hoare annotation is: true [2022-01-10 06:35:11,417 INFO L861 garLoopResultBuilder]: At program point L497(lines 492 500) the Hoare annotation is: true [2022-01-10 06:35:11,417 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 513 539) the Hoare annotation is: true [2022-01-10 06:35:11,417 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2022-01-10 06:35:11,417 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2022-01-10 06:35:11,417 INFO L854 garLoopResultBuilder]: At program point L787(lines 782 790) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,418 INFO L858 garLoopResultBuilder]: For program point L659(lines 659 665) no Hoare annotation was computed. [2022-01-10 06:35:11,418 INFO L858 garLoopResultBuilder]: For program point L659-1(lines 659 665) no Hoare annotation was computed. [2022-01-10 06:35:11,418 INFO L854 garLoopResultBuilder]: At program point L684(lines 639 686) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,418 INFO L854 garLoopResultBuilder]: At program point L779(lines 775 781) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,418 INFO L854 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,418 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:11,418 INFO L861 garLoopResultBuilder]: At program point L862(lines 854 864) the Hoare annotation is: true [2022-01-10 06:35:11,418 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:11,418 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:11,418 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 882) no Hoare annotation was computed. [2022-01-10 06:35:11,418 INFO L858 garLoopResultBuilder]: For program point L875-2(lines 875 882) no Hoare annotation was computed. [2022-01-10 06:35:11,418 INFO L858 garLoopResultBuilder]: For program point L677(lines 677 681) no Hoare annotation was computed. [2022-01-10 06:35:11,419 INFO L854 garLoopResultBuilder]: At program point L772(lines 768 774) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,419 INFO L854 garLoopResultBuilder]: At program point L677-2(lines 669 682) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,419 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:11,419 INFO L858 garLoopResultBuilder]: For program point L640(lines 639 686) no Hoare annotation was computed. [2022-01-10 06:35:11,419 INFO L858 garLoopResultBuilder]: For program point L669(lines 669 682) no Hoare annotation was computed. [2022-01-10 06:35:11,419 INFO L854 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,419 INFO L861 garLoopResultBuilder]: At program point L884(lines 865 887) the Hoare annotation is: true [2022-01-10 06:35:11,419 INFO L854 garLoopResultBuilder]: At program point L851(lines 847 853) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,419 INFO L861 garLoopResultBuilder]: At program point L690(lines 629 694) the Hoare annotation is: true [2022-01-10 06:35:11,419 INFO L854 garLoopResultBuilder]: At program point L624(lines 619 626) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,419 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2022-01-10 06:35:11,420 INFO L858 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2022-01-10 06:35:11,420 INFO L854 garLoopResultBuilder]: At program point L711(lines 706 713) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:11,420 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 645) no Hoare annotation was computed. [2022-01-10 06:35:11,420 INFO L854 garLoopResultBuilder]: At program point L687(lines 638 688) the Hoare annotation is: false [2022-01-10 06:35:11,420 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2022-01-10 06:35:11,420 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2022-01-10 06:35:11,420 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2022-01-10 06:35:11,420 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 574 582) no Hoare annotation was computed. [2022-01-10 06:35:11,420 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 574 582) the Hoare annotation is: true [2022-01-10 06:35:11,420 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 574 582) no Hoare annotation was computed. [2022-01-10 06:35:11,423 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-10 06:35:11,424 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:11,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:11 BoogieIcfgContainer [2022-01-10 06:35:11,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:11,434 INFO L158 Benchmark]: Toolchain (without parser) took 2804.12ms. Allocated memory was 198.2MB in the beginning and 251.7MB in the end (delta: 53.5MB). Free memory was 149.9MB in the beginning and 225.5MB in the end (delta: -75.7MB). Peak memory consumption was 89.6MB. Max. memory is 8.0GB. [2022-01-10 06:35:11,434 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory was 166.8MB in the beginning and 166.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:11,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.73ms. Allocated memory is still 198.2MB. Free memory was 149.7MB in the beginning and 160.1MB in the end (delta: -10.4MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-01-10 06:35:11,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.14ms. Allocated memory is still 198.2MB. Free memory was 160.1MB in the beginning and 158.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:11,435 INFO L158 Benchmark]: Boogie Preprocessor took 26.98ms. Allocated memory is still 198.2MB. Free memory was 158.0MB in the beginning and 156.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:35:11,435 INFO L158 Benchmark]: RCFGBuilder took 321.99ms. Allocated memory is still 198.2MB. Free memory was 156.4MB in the beginning and 141.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 06:35:11,435 INFO L158 Benchmark]: TraceAbstraction took 1944.37ms. Allocated memory was 198.2MB in the beginning and 251.7MB in the end (delta: 53.5MB). Free memory was 140.7MB in the beginning and 225.5MB in the end (delta: -84.9MB). Peak memory consumption was 80.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:11,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory was 166.8MB in the beginning and 166.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 449.73ms. Allocated memory is still 198.2MB. Free memory was 149.7MB in the beginning and 160.1MB in the end (delta: -10.4MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.14ms. Allocated memory is still 198.2MB. Free memory was 160.1MB in the beginning and 158.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.98ms. Allocated memory is still 198.2MB. Free memory was 158.0MB in the beginning and 156.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 321.99ms. Allocated memory is still 198.2MB. Free memory was 156.4MB in the beginning and 141.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1944.37ms. Allocated memory was 198.2MB in the beginning and 251.7MB in the end (delta: 53.5MB). Free memory was 140.7MB in the beginning and 225.5MB in the end (delta: -84.9MB). Peak memory consumption was 80.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 700]: 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 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 446 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 260 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 114 PreInvPairs, 128 NumberOfFragments, 122 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 3 NumberOfNonLiveVariables, 656 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 782]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) || !(systemActive == 1bv32) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) || !(systemActive == 1bv32) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:11,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...