/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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:31:52,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:31:52,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:31:52,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:31:52,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:31:52,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:31:52,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:31:52,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:31:52,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:31:52,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:31:52,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:31:52,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:31:52,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:31:52,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:31:52,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:31:52,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:31:52,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:31:52,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:31:52,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:31:52,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:31:52,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:31:52,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:31:52,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:31:52,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:31:52,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:31:52,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:31:52,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:31:52,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:31:52,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:31:52,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:31:52,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:31:52,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:31:52,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:31:52,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:31:52,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:31:52,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:31:52,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:31:52,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:31:52,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:31:52,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:31:52,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:31:52,719 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 06:31:52,738 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:31:52,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:31:52,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:31:52,739 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:31:52,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:31:52,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:31:52,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:31:52,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:31:52,740 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:31:52,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:31:52,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:31:52,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:31:52,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:31:52,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:31:52,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:31:52,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:31:52,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:31:52,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:31:52,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:31:52,742 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:31:52,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:31:52,742 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:31:52,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:31:52,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:31:52,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:31:52,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:31:52,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:31:52,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:31:52,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:31:52,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:31:52,911 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:31:52,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2022-01-10 06:31:52,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70c3ffb77/37489c1823c04e19806c8009bcfb8aa0/FLAG8b895505a [2022-01-10 06:31:53,322 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:31:53,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2022-01-10 06:31:53,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70c3ffb77/37489c1823c04e19806c8009bcfb8aa0/FLAG8b895505a [2022-01-10 06:31:53,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70c3ffb77/37489c1823c04e19806c8009bcfb8aa0 [2022-01-10 06:31:53,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:31:53,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:31:53,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:31:53,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:31:53,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:31:53,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2064a2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53, skipping insertion in model container [2022-01-10 06:31:53,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:31:53,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:31:53,631 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_product14.cil.c[17431,17444] [2022-01-10 06:31:53,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:31:53,641 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:31:53,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:31:53,709 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_product14.cil.c[17431,17444] [2022-01-10 06:31:53,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:31:53,715 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:31:53,754 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_product14.cil.c[17431,17444] [2022-01-10 06:31:53,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:31:53,765 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:31:53,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53 WrapperNode [2022-01-10 06:31:53,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:31:53,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:31:53,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:31:53,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:31:53,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,799 INFO L137 Inliner]: procedures = 54, calls = 151, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 187 [2022-01-10 06:31:53,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:31:53,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:31:53,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:31:53,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:31:53,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:31:53,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:31:53,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:31:53,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:31:53,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (1/1) ... [2022-01-10 06:31:53,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:31:53,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:31:53,857 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 06:31:53,868 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 06:31:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:31:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:31:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:31:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:31:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:31:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:31:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:31:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:31:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:31:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:31:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:31:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:31:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:31:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:31:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:31:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:31:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:31:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:31:53,940 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:31:53,942 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:31:54,139 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:31:54,145 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:31:54,145 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:31:54,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:31:54 BoogieIcfgContainer [2022-01-10 06:31:54,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:31:54,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:31:54,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:31:54,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:31:54,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:31:53" (1/3) ... [2022-01-10 06:31:54,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d71a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:31:54, skipping insertion in model container [2022-01-10 06:31:54,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:53" (2/3) ... [2022-01-10 06:31:54,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d71a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:31:54, skipping insertion in model container [2022-01-10 06:31:54,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:31:54" (3/3) ... [2022-01-10 06:31:54,152 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2022-01-10 06:31:54,157 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:31:54,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:31:54,189 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:31:54,194 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 06:31:54,194 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:31:54,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:31:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 06:31:54,211 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:54,211 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 06:31:54,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:54,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:54,218 INFO L85 PathProgramCache]: Analyzing trace with hash -570439567, now seen corresponding path program 1 times [2022-01-10 06:31:54,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:54,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151479970] [2022-01-10 06:31:54,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:54,231 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:54,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:54,233 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 06:31:54,234 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 06:31:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:54,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:31:54,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:54,426 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 06:31:54,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:54,427 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:54,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151479970] [2022-01-10 06:31:54,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151479970] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:54,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:54,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:31:54,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156593279] [2022-01-10 06:31:54,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:54,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:31:54,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:54,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:31:54,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:31:54,461 INFO L87 Difference]: Start difference. First operand has 77 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) 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 06:31:54,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:54,496 INFO L93 Difference]: Finished difference Result 146 states and 195 transitions. [2022-01-10 06:31:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:31:54,498 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 06:31:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:54,510 INFO L225 Difference]: With dead ends: 146 [2022-01-10 06:31:54,510 INFO L226 Difference]: Without dead ends: 68 [2022-01-10 06:31:54,514 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 06:31:54,517 INFO L933 BasicCegarLoop]: 94 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, 94 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 06:31:54,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:54,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-01-10 06:31:54,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-01-10 06:31:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.28) internal successors, (64), 55 states have internal predecessors, (64), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:31:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2022-01-10 06:31:54,563 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 23 [2022-01-10 06:31:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:54,563 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2022-01-10 06:31:54,563 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 06:31:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-01-10 06:31:54,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 06:31:54,565 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:54,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:31:54,572 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 06:31:54,765 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 06:31:54,766 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:54,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:54,767 INFO L85 PathProgramCache]: Analyzing trace with hash 862639387, now seen corresponding path program 1 times [2022-01-10 06:31:54,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:54,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228729640] [2022-01-10 06:31:54,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:54,768 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:54,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:54,769 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 06:31:54,770 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 06:31:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:54,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:31:54,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:54,895 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 06:31:54,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:54,895 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:54,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228729640] [2022-01-10 06:31:54,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228729640] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:54,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:54,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:31:54,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452535967] [2022-01-10 06:31:54,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:54,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:31:54,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:54,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:31:54,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:31:54,905 INFO L87 Difference]: Start difference. First operand 68 states and 85 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 06:31:54,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:54,923 INFO L93 Difference]: Finished difference Result 101 states and 125 transitions. [2022-01-10 06:31:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:31:54,923 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 06:31:54,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:54,924 INFO L225 Difference]: With dead ends: 101 [2022-01-10 06:31:54,924 INFO L226 Difference]: Without dead ends: 59 [2022-01-10 06:31:54,925 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 06:31:54,925 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 127 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 06:31:54,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:54,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-01-10 06:31:54,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-01-10 06:31:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:31:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-01-10 06:31:54,934 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 24 [2022-01-10 06:31:54,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:54,934 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-01-10 06:31:54,935 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 06:31:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-01-10 06:31:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 06:31:54,936 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:54,936 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 06:31:54,945 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 06:31:55,143 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 06:31:55,143 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:55,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:55,144 INFO L85 PathProgramCache]: Analyzing trace with hash 764584113, now seen corresponding path program 1 times [2022-01-10 06:31:55,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:55,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651357298] [2022-01-10 06:31:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:55,145 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:55,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:55,146 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 06:31:55,147 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 06:31:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:55,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:31:55,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:55,231 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 06:31:55,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:55,231 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:55,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651357298] [2022-01-10 06:31:55,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651357298] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:55,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:55,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:31:55,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884393486] [2022-01-10 06:31:55,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:55,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:31:55,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:55,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:31:55,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:31:55,233 INFO L87 Difference]: Start difference. First operand 59 states and 73 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 06:31:55,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:55,248 INFO L93 Difference]: Finished difference Result 111 states and 140 transitions. [2022-01-10 06:31:55,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:31:55,248 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 06:31:55,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:55,249 INFO L225 Difference]: With dead ends: 111 [2022-01-10 06:31:55,249 INFO L226 Difference]: Without dead ends: 59 [2022-01-10 06:31:55,250 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 06:31:55,250 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 67 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 71 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 06:31:55,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 71 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:55,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-01-10 06:31:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-01-10 06:31:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 49 states have internal predecessors, (56), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:31:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2022-01-10 06:31:55,255 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 29 [2022-01-10 06:31:55,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:55,255 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2022-01-10 06:31:55,256 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 06:31:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2022-01-10 06:31:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 06:31:55,256 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:55,256 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] [2022-01-10 06:31:55,265 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 06:31:55,463 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 06:31:55,463 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:55,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:55,464 INFO L85 PathProgramCache]: Analyzing trace with hash 598153017, now seen corresponding path program 1 times [2022-01-10 06:31:55,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:55,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464390690] [2022-01-10 06:31:55,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:55,465 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:55,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:55,465 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 06:31:55,467 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 06:31:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:55,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:31:55,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:55,617 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 06:31:55,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:55,618 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:55,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464390690] [2022-01-10 06:31:55,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464390690] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:55,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:55,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:31:55,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796776477] [2022-01-10 06:31:55,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:55,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:31:55,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:55,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:31:55,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:31:55,620 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:31:55,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:55,676 INFO L93 Difference]: Finished difference Result 162 states and 204 transitions. [2022-01-10 06:31:55,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:31:55,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-01-10 06:31:55,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:55,678 INFO L225 Difference]: With dead ends: 162 [2022-01-10 06:31:55,678 INFO L226 Difference]: Without dead ends: 110 [2022-01-10 06:31:55,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 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 06:31:55,679 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 40 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:31:55,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 334 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:55,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-01-10 06:31:55,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2022-01-10 06:31:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 87 states have internal predecessors, (99), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17) [2022-01-10 06:31:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-01-10 06:31:55,689 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 34 [2022-01-10 06:31:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:55,690 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-01-10 06:31:55,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:31:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-01-10 06:31:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:31:55,691 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:55,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:31:55,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:31:55,895 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 06:31:55,896 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:55,897 INFO L85 PathProgramCache]: Analyzing trace with hash 148972605, now seen corresponding path program 1 times [2022-01-10 06:31:55,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:55,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030919527] [2022-01-10 06:31:55,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:55,897 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:55,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:55,898 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 06:31:55,900 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 06:31:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:55,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:31:55,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:56,037 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 06:31:56,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:56,037 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:56,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030919527] [2022-01-10 06:31:56,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030919527] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:56,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:56,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:31:56,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005735876] [2022-01-10 06:31:56,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:56,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:31:56,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:56,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:31:56,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:31:56,039 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:31:56,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:56,063 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2022-01-10 06:31:56,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:31:56,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-01-10 06:31:56,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:56,064 INFO L225 Difference]: With dead ends: 184 [2022-01-10 06:31:56,064 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:31:56,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:31:56,066 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 25 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:31:56,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:56,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:31:56,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:31:56,067 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 06:31:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:31:56,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-01-10 06:31:56,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:56,067 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:31:56,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:31:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:31:56,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:31:56,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:31:56,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:31:56,276 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 06:31:56,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:31:56,619 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) 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 06:31:56,619 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:31:56,619 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:31:56,619 INFO L858 garLoopResultBuilder]: For program point L725-1(lines 725 731) no Hoare annotation was computed. [2022-01-10 06:31:56,619 INFO L854 garLoopResultBuilder]: At program point L820(lines 815 823) 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 06:31:56,619 INFO L858 garLoopResultBuilder]: For program point L754(lines 754 762) no Hoare annotation was computed. [2022-01-10 06:31:56,619 INFO L858 garLoopResultBuilder]: For program point L882(lines 882 888) no Hoare annotation was computed. [2022-01-10 06:31:56,620 INFO L858 garLoopResultBuilder]: For program point L750(lines 750 767) no Hoare annotation was computed. [2022-01-10 06:31:56,620 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 891) no Hoare annotation was computed. [2022-01-10 06:31:56,620 INFO L854 garLoopResultBuilder]: At program point L878-1(lines 870 894) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (= (_ bv0 32) |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1|) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:31:56,620 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2022-01-10 06:31:56,620 INFO L858 garLoopResultBuilder]: For program point L718-1(lines 717 736) no Hoare annotation was computed. [2022-01-10 06:31:56,620 INFO L858 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2022-01-10 06:31:56,620 INFO L854 garLoopResultBuilder]: At program point L801(lines 796 803) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:31:56,620 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-01-10 06:31:56,620 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:31:56,620 INFO L854 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:31:56,620 INFO L854 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:31:56,620 INFO L858 garLoopResultBuilder]: For program point L752-1(line 752) no Hoare annotation was computed. [2022-01-10 06:31:56,620 INFO L854 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,621 INFO L858 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-01-10 06:31:56,621 INFO L854 garLoopResultBuilder]: At program point L901(lines 896 903) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:31:56,621 INFO L854 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,621 INFO L854 garLoopResultBuilder]: At program point L765-1(lines 746 770) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,621 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,621 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2022-01-10 06:31:56,621 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2022-01-10 06:31:56,621 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 542 571) no Hoare annotation was computed. [2022-01-10 06:31:56,621 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 542 571) the Hoare annotation is: true [2022-01-10 06:31:56,621 INFO L861 garLoopResultBuilder]: At program point L567(lines 542 571) the Hoare annotation is: true [2022-01-10 06:31:56,621 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 06:31:56,621 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 560) no Hoare annotation was computed. [2022-01-10 06:31:56,622 INFO L861 garLoopResultBuilder]: At program point L556-1(lines 556 560) the Hoare annotation is: true [2022-01-10 06:31:56,622 INFO L858 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2022-01-10 06:31:56,622 INFO L861 garLoopResultBuilder]: At program point L552-2(lines 552 566) the Hoare annotation is: true [2022-01-10 06:31:56,622 INFO L861 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: true [2022-01-10 06:31:56,622 INFO L858 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2022-01-10 06:31:56,622 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-01-10 06:31:56,622 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-01-10 06:31:56,622 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-01-10 06:31:56,622 INFO L854 garLoopResultBuilder]: At program point L865(lines 860 867) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,622 INFO L861 garLoopResultBuilder]: At program point L634(lines 615 637) the Hoare annotation is: true [2022-01-10 06:31:56,622 INFO L854 garLoopResultBuilder]: At program point L601(lines 597 603) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,622 INFO L854 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,622 INFO L858 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L854 garLoopResultBuilder]: At program point L527(lines 523 529) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,623 INFO L854 garLoopResultBuilder]: At program point L688-2(lines 680 693) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,623 INFO L858 garLoopResultBuilder]: For program point L651(lines 650 697) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 693) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L854 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,623 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L861 garLoopResultBuilder]: At program point L701(lines 640 705) the Hoare annotation is: true [2022-01-10 06:31:56,623 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L858 garLoopResultBuilder]: For program point L660(lines 660 666) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L858 garLoopResultBuilder]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 656) no Hoare annotation was computed. [2022-01-10 06:31:56,623 INFO L854 garLoopResultBuilder]: At program point L520(lines 516 522) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,624 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:31:56,624 INFO L854 garLoopResultBuilder]: At program point L698(lines 649 699) the Hoare annotation is: false [2022-01-10 06:31:56,624 INFO L861 garLoopResultBuilder]: At program point L612(lines 605 614) the Hoare annotation is: true [2022-01-10 06:31:56,624 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2022-01-10 06:31:56,624 INFO L858 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2022-01-10 06:31:56,624 INFO L854 garLoopResultBuilder]: At program point L695(lines 650 697) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,624 INFO L854 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:56,624 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 632) no Hoare annotation was computed. [2022-01-10 06:31:56,624 INFO L858 garLoopResultBuilder]: For program point L625-2(lines 625 632) no Hoare annotation was computed. [2022-01-10 06:31:56,624 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:31:56,624 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:31:56,624 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-01-10 06:31:56,624 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 738 744) no Hoare annotation was computed. [2022-01-10 06:31:56,624 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 738 744) the Hoare annotation is: true [2022-01-10 06:31:56,625 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 804 814) the Hoare annotation is: true [2022-01-10 06:31:56,625 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 804 814) no Hoare annotation was computed. [2022-01-10 06:31:56,625 INFO L861 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2022-01-10 06:31:56,625 INFO L858 garLoopResultBuilder]: For program point L809-1(line 809) no Hoare annotation was computed. [2022-01-10 06:31:56,625 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 804 814) no Hoare annotation was computed. [2022-01-10 06:31:56,627 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:31:56,628 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:31:56,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:31:56 BoogieIcfgContainer [2022-01-10 06:31:56,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:31:56,639 INFO L158 Benchmark]: Toolchain (without parser) took 3296.21ms. Allocated memory was 186.6MB in the beginning and 257.9MB in the end (delta: 71.3MB). Free memory was 128.9MB in the beginning and 80.5MB in the end (delta: 48.4MB). Peak memory consumption was 119.4MB. Max. memory is 8.0GB. [2022-01-10 06:31:56,639 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:31:56,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.12ms. Allocated memory was 186.6MB in the beginning and 257.9MB in the end (delta: 71.3MB). Free memory was 128.7MB in the beginning and 215.3MB in the end (delta: -86.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-10 06:31:56,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.23ms. Allocated memory is still 257.9MB. Free memory was 215.3MB in the beginning and 212.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:31:56,640 INFO L158 Benchmark]: Boogie Preprocessor took 16.35ms. Allocated memory is still 257.9MB. Free memory was 212.7MB in the beginning and 211.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:31:56,640 INFO L158 Benchmark]: RCFGBuilder took 329.38ms. Allocated memory is still 257.9MB. Free memory was 211.1MB in the beginning and 193.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:31:56,641 INFO L158 Benchmark]: TraceAbstraction took 2491.27ms. Allocated memory is still 257.9MB. Free memory was 193.3MB in the beginning and 80.5MB in the end (delta: 112.7MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. [2022-01-10 06:31:56,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 419.12ms. Allocated memory was 186.6MB in the beginning and 257.9MB in the end (delta: 71.3MB). Free memory was 128.7MB in the beginning and 215.3MB in the end (delta: -86.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.23ms. Allocated memory is still 257.9MB. Free memory was 215.3MB in the beginning and 212.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.35ms. Allocated memory is still 257.9MB. Free memory was 212.7MB in the beginning and 211.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 329.38ms. Allocated memory is still 257.9MB. Free memory was 211.1MB in the beginning and 193.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2491.27ms. Allocated memory is still 257.9MB. Free memory was 193.3MB in the beginning and 80.5MB in the end (delta: 112.7MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 771 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 407 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 364 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 198 PreInvPairs, 222 NumberOfFragments, 272 HoareAnnotationTreeSize, 198 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 423 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 SizeOfPredicates, 7 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 18 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: 860]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (\result == 0bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == tmp) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 06:31:56,683 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...