/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_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:47,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:47,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:47,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:47,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:47,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:47,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:47,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:47,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:47,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:47,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:47,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:47,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:47,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:47,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:47,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:47,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:47,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:47,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:47,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:47,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:47,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:47,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:47,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:47,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:47,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:47,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:47,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:47,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:47,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:47,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:47,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:47,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:47,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:47,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:47,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:47,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:47,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:47,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:47,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:47,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:47,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:32:47,908 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:47,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:47,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:47,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:47,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:47,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:47,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:47,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:47,910 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:47,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:47,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:47,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:47,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:47,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:47,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:47,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:47,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:47,913 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:47,913 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:47,913 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:47,913 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:47,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:47,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:47,913 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:48,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:48,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:48,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:48,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:48,115 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:48,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2022-01-10 06:32:48,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d89fe79/dc0087bf789042f3af90b030a6f43c85/FLAGb6c0651f6 [2022-01-10 06:32:48,550 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:48,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2022-01-10 06:32:48,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d89fe79/dc0087bf789042f3af90b030a6f43c85/FLAGb6c0651f6 [2022-01-10 06:32:48,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d89fe79/dc0087bf789042f3af90b030a6f43c85 [2022-01-10 06:32:48,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:48,571 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:48,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:48,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:48,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:48,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:48,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4969b9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48, skipping insertion in model container [2022-01-10 06:32:48,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:48,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:48,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:48,739 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_spec2_product09.cil.c[1605,1618] [2022-01-10 06:32:48,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:48,820 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:48,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:48,827 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_spec2_product09.cil.c[1605,1618] [2022-01-10 06:32:48,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:48,862 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:48,871 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_spec2_product09.cil.c[1605,1618] [2022-01-10 06:32:48,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:48,922 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:48,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48 WrapperNode [2022-01-10 06:32:48,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:48,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:48,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:48,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:48,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:48,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:48,978 INFO L137 Inliner]: procedures = 53, calls = 147, calls flagged for inlining = 19, calls inlined = 14, statements flattened = 181 [2022-01-10 06:32:48,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:48,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:48,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:48,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:48,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:48,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:48,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:48,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:48,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:49,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:49,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:49,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:49,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:49,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:49,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:49,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (1/1) ... [2022-01-10 06:32:49,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:49,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:49,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:32:49,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:32:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:49,152 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:49,153 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:49,411 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:49,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:49,418 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:49,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:49 BoogieIcfgContainer [2022-01-10 06:32:49,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:49,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:49,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:49,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:49,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:48" (1/3) ... [2022-01-10 06:32:49,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232925a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:49, skipping insertion in model container [2022-01-10 06:32:49,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:48" (2/3) ... [2022-01-10 06:32:49,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232925a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:49, skipping insertion in model container [2022-01-10 06:32:49,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:49" (3/3) ... [2022-01-10 06:32:49,427 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2022-01-10 06:32:49,431 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:49,431 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:49,472 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:49,477 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:32:49,477 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:32:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:32:49,501 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:49,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:49,502 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:49,506 INFO L85 PathProgramCache]: Analyzing trace with hash -701236308, now seen corresponding path program 1 times [2022-01-10 06:32:49,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:49,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458572482] [2022-01-10 06:32:49,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:49,517 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:49,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:49,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:49,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:32:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:49,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:49,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:32:49,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:49,719 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:49,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458572482] [2022-01-10 06:32:49,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458572482] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:49,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:49,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:49,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234459386] [2022-01-10 06:32:49,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:49,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:49,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:49,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:49,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:49,750 INFO L87 Difference]: Start difference. First operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:49,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:49,775 INFO L93 Difference]: Finished difference Result 119 states and 162 transitions. [2022-01-10 06:32:49,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:49,776 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-01-10 06:32:49,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:49,784 INFO L225 Difference]: With dead ends: 119 [2022-01-10 06:32:49,784 INFO L226 Difference]: Without dead ends: 55 [2022-01-10 06:32:49,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:49,790 INFO L933 BasicCegarLoop]: 78 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, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:49,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:49,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-01-10 06:32:49,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-01-10 06:32:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-10 06:32:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-01-10 06:32:49,826 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 25 [2022-01-10 06:32:49,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:49,826 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-01-10 06:32:49,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-01-10 06:32:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:32:49,830 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:49,830 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] [2022-01-10 06:32:49,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:50,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:50,037 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:50,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:50,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1233440976, now seen corresponding path program 1 times [2022-01-10 06:32:50,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:50,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221485992] [2022-01-10 06:32:50,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:50,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:50,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:50,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:50,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:32:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:50,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:50,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:32:50,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:50,180 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:50,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221485992] [2022-01-10 06:32:50,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221485992] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:50,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:50,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:50,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953791928] [2022-01-10 06:32:50,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:50,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:50,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:50,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:50,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:50,183 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:50,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:50,192 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2022-01-10 06:32:50,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:50,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-01-10 06:32:50,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:50,194 INFO L225 Difference]: With dead ends: 75 [2022-01-10 06:32:50,194 INFO L226 Difference]: Without dead ends: 46 [2022-01-10 06:32:50,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:50,195 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 12 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:50,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:50,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-01-10 06:32:50,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-01-10 06:32:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 40 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-10 06:32:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2022-01-10 06:32:50,199 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 26 [2022-01-10 06:32:50,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:50,200 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2022-01-10 06:32:50,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-01-10 06:32:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:32:50,200 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:50,200 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] [2022-01-10 06:32:50,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-01-10 06:32:50,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:50,408 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:50,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:50,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1586529025, now seen corresponding path program 1 times [2022-01-10 06:32:50,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:50,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711266976] [2022-01-10 06:32:50,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:50,409 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:50,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:50,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:50,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:32:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:50,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:50,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:32:50,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:50,519 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:50,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711266976] [2022-01-10 06:32:50,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711266976] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:50,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:50,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:50,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20499955] [2022-01-10 06:32:50,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:50,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:50,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:50,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:50,527 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:50,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:50,548 INFO L93 Difference]: Finished difference Result 84 states and 107 transitions. [2022-01-10 06:32:50,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:50,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 30 [2022-01-10 06:32:50,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:50,549 INFO L225 Difference]: With dead ends: 84 [2022-01-10 06:32:50,549 INFO L226 Difference]: Without dead ends: 46 [2022-01-10 06:32:50,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:50,550 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:50,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:50,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-01-10 06:32:50,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-01-10 06:32:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 40 states have internal predecessors, (48), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-10 06:32:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-01-10 06:32:50,554 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 30 [2022-01-10 06:32:50,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:50,554 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-01-10 06:32:50,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-01-10 06:32:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:32:50,555 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:50,555 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] [2022-01-10 06:32:50,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:50,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:50,758 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:50,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:50,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1318578392, now seen corresponding path program 1 times [2022-01-10 06:32:50,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:50,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655628643] [2022-01-10 06:32:50,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:50,759 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:50,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:50,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:50,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:32:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:50,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:50,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:32:50,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:50,916 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:50,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655628643] [2022-01-10 06:32:50,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655628643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:50,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:50,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:50,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346737647] [2022-01-10 06:32:50,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:50,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:50,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:50,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:50,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:50,918 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:50,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:50,984 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2022-01-10 06:32:50,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:50,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 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 31 [2022-01-10 06:32:50,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:50,987 INFO L225 Difference]: With dead ends: 120 [2022-01-10 06:32:50,987 INFO L226 Difference]: Without dead ends: 82 [2022-01-10 06:32:50,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:32:50,988 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 27 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:50,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 247 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-01-10 06:32:51,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2022-01-10 06:32:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 67 states have internal predecessors, (80), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-01-10 06:32:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2022-01-10 06:32:51,008 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 31 [2022-01-10 06:32:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:51,008 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-01-10 06:32:51,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:32:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2022-01-10 06:32:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 06:32:51,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:51,009 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] [2022-01-10 06:32:51,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:51,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:51,216 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:51,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:51,217 INFO L85 PathProgramCache]: Analyzing trace with hash -919560372, now seen corresponding path program 1 times [2022-01-10 06:32:51,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:51,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652321001] [2022-01-10 06:32:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:51,217 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:51,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:51,221 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:32:51,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:32:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:51,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:32:51,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:32:51,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:51,324 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:51,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1652321001] [2022-01-10 06:32:51,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1652321001] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:51,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:51,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:51,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129512842] [2022-01-10 06:32:51,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:51,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:32:51,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:51,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:32:51,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:32:51,349 INFO L87 Difference]: Start difference. First operand 79 states and 97 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 06:32:51,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:51,376 INFO L93 Difference]: Finished difference Result 146 states and 182 transitions. [2022-01-10 06:32:51,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:32:51,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 35 [2022-01-10 06:32:51,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:51,377 INFO L225 Difference]: With dead ends: 146 [2022-01-10 06:32:51,377 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:51,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:32:51,378 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 45 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:51,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 136 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:51,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:32:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:51,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-01-10 06:32:51,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:51,385 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:51,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 06:32:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:51,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:51,387 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:51,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:51,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:32:51,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:51,807 INFO L858 garLoopResultBuilder]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2022-01-10 06:32:51,807 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2022-01-10 06:32:51,807 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2022-01-10 06:32:51,807 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 805 813) the Hoare annotation is: true [2022-01-10 06:32:51,807 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 805 813) no Hoare annotation was computed. [2022-01-10 06:32:51,807 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2022-01-10 06:32:51,808 INFO L861 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: true [2022-01-10 06:32:51,808 INFO L858 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2022-01-10 06:32:51,808 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 667 696) no Hoare annotation was computed. [2022-01-10 06:32:51,808 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 667 696) the Hoare annotation is: true [2022-01-10 06:32:51,808 INFO L861 garLoopResultBuilder]: At program point L692(lines 667 696) the Hoare annotation is: true [2022-01-10 06:32:51,808 INFO L858 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2022-01-10 06:32:51,808 INFO L858 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2022-01-10 06:32:51,808 INFO L861 garLoopResultBuilder]: At program point L681-1(lines 681 685) the Hoare annotation is: true [2022-01-10 06:32:51,808 INFO L858 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2022-01-10 06:32:51,808 INFO L861 garLoopResultBuilder]: At program point L677-2(lines 677 691) the Hoare annotation is: true [2022-01-10 06:32:51,808 INFO L858 garLoopResultBuilder]: For program point L642-1(line 642) no Hoare annotation was computed. [2022-01-10 06:32:51,808 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-01-10 06:32:51,809 INFO L861 garLoopResultBuilder]: At program point L533(lines 529 535) the Hoare annotation is: true [2022-01-10 06:32:51,809 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2022-01-10 06:32:51,809 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 505 528) no Hoare annotation was computed. [2022-01-10 06:32:51,809 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 777) no Hoare annotation was computed. [2022-01-10 06:32:51,809 INFO L854 garLoopResultBuilder]: At program point L773-2(lines 769 780) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32)))) [2022-01-10 06:32:51,809 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 508 527) no Hoare annotation was computed. [2022-01-10 06:32:51,809 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32)))) [2022-01-10 06:32:51,809 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 505 528) the Hoare annotation is: true [2022-01-10 06:32:51,809 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 505 528) no Hoare annotation was computed. [2022-01-10 06:32:51,809 INFO L854 garLoopResultBuilder]: At program point L586(lines 581 589) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))))) [2022-01-10 06:32:51,810 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-01-10 06:32:51,810 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 658) no Hoare annotation was computed. [2022-01-10 06:32:51,810 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 661) no Hoare annotation was computed. [2022-01-10 06:32:51,810 INFO L858 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2022-01-10 06:32:51,810 INFO L854 garLoopResultBuilder]: At program point L644-1(lines 636 664) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32))) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| (_ bv0 32)) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) [2022-01-10 06:32:51,810 INFO L861 garLoopResultBuilder]: At program point L642(line 642) the Hoare annotation is: true [2022-01-10 06:32:51,810 INFO L858 garLoopResultBuilder]: For program point L440(lines 439 484) no Hoare annotation was computed. [2022-01-10 06:32:51,810 INFO L854 garLoopResultBuilder]: At program point L725(lines 721 727) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,810 INFO L858 garLoopResultBuilder]: For program point L469(lines 469 480) no Hoare annotation was computed. [2022-01-10 06:32:51,810 INFO L854 garLoopResultBuilder]: At program point L461(line 461) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,810 INFO L854 garLoopResultBuilder]: At program point L482(lines 439 484) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L854 garLoopResultBuilder]: At program point L862(lines 858 864) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L854 garLoopResultBuilder]: At program point L475-2(lines 469 480) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 759) no Hoare annotation was computed. [2022-01-10 06:32:51,811 INFO L858 garLoopResultBuilder]: For program point L752-2(lines 752 759) no Hoare annotation was computed. [2022-01-10 06:32:51,812 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 465) no Hoare annotation was computed. [2022-01-10 06:32:51,812 INFO L858 garLoopResultBuilder]: For program point L459-1(lines 459 465) no Hoare annotation was computed. [2022-01-10 06:32:51,812 INFO L861 garLoopResultBuilder]: At program point L488(lines 429 492) the Hoare annotation is: true [2022-01-10 06:32:51,812 INFO L854 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,812 INFO L861 garLoopResultBuilder]: At program point L736(lines 728 738) the Hoare annotation is: true [2022-01-10 06:32:51,812 INFO L854 garLoopResultBuilder]: At program point L633(lines 628 635) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,812 INFO L861 garLoopResultBuilder]: At program point L761(lines 742 764) the Hoare annotation is: true [2022-01-10 06:32:51,812 INFO L854 garLoopResultBuilder]: At program point L877(lines 872 880) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,812 INFO L854 garLoopResultBuilder]: At program point L869(lines 865 871) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:51,812 INFO L854 garLoopResultBuilder]: At program point L485(lines 438 486) the Hoare annotation is: false [2022-01-10 06:32:51,813 INFO L858 garLoopResultBuilder]: For program point L785-1(lines 781 792) no Hoare annotation was computed. [2022-01-10 06:32:51,813 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2022-01-10 06:32:51,813 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 781 792) the Hoare annotation is: true [2022-01-10 06:32:51,820 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:32:51,821 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:51,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:51 BoogieIcfgContainer [2022-01-10 06:32:51,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:51,842 INFO L158 Benchmark]: Toolchain (without parser) took 3270.81ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 153.9MB in the beginning and 202.9MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:51,842 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory was 171.2MB in the beginning and 171.0MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:51,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.35ms. Allocated memory is still 204.5MB. Free memory was 153.7MB in the beginning and 166.8MB in the end (delta: -13.1MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-01-10 06:32:51,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.30ms. Allocated memory is still 204.5MB. Free memory was 166.2MB in the beginning and 164.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:51,844 INFO L158 Benchmark]: Boogie Preprocessor took 23.88ms. Allocated memory is still 204.5MB. Free memory was 164.1MB in the beginning and 162.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:32:51,844 INFO L158 Benchmark]: RCFGBuilder took 416.71ms. Allocated memory is still 204.5MB. Free memory was 162.6MB in the beginning and 147.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 06:32:51,845 INFO L158 Benchmark]: TraceAbstraction took 2419.88ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 146.8MB in the beginning and 202.9MB in the end (delta: -56.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:51,846 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 204.5MB. Free memory was 171.2MB in the beginning and 171.0MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 352.35ms. Allocated memory is still 204.5MB. Free memory was 153.7MB in the beginning and 166.8MB in the end (delta: -13.1MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.30ms. Allocated memory is still 204.5MB. Free memory was 166.2MB in the beginning and 164.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.88ms. Allocated memory is still 204.5MB. Free memory was 164.1MB in the beginning and 162.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 416.71ms. Allocated memory is still 204.5MB. Free memory was 162.6MB in the beginning and 147.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2419.88ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 146.8MB in the beginning and 202.9MB in the end (delta: -56.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 64 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: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 612 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 319 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 293 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 122 PreInvPairs, 142 NumberOfFragments, 180 HoareAnnotationTreeSize, 122 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 350 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 6 NumberOfNonLiveVariables, 778 ConjunctsInSsa, 16 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: 865]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: ((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || \result == 0bv32) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) || !(systemActive == 1bv32) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) || !(systemActive == 1bv32) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || tmp == 0bv32) || !(methaneLevelCritical == 0bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:51,884 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...