./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:58:18,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:58:18,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:58:18,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:58:18,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:58:18,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:58:18,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:58:18,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:58:18,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:58:18,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:58:18,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:58:18,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:58:18,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:58:18,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:58:18,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:58:18,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:58:18,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:58:18,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:58:18,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:58:18,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:58:18,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:58:18,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:58:18,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:58:18,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:58:18,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:58:18,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:58:18,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:58:18,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:58:18,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:58:18,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:58:18,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:58:18,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:58:18,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:58:18,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:58:18,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:58:18,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:58:18,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:58:18,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:58:18,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:58:18,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:58:18,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:58:18,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:58:18,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:58:18,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:58:18,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:58:18,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:58:18,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:58:18,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:58:18,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:58:18,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:58:18,951 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:58:18,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:58:18,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:58:18,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:58:18,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:58:18,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:58:18,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:58:18,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:58:18,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:58:18,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:58:18,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:58:18,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:58:18,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:58:18,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:58:18,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:58:18,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:58:18,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:18,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:58:18,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:58:18,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:58:18,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:58:18,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:58:18,957 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:58:18,957 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:58:18,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:58:18,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:58:18,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2021-12-16 00:58:19,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:58:19,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:58:19,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:58:19,187 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:58:19,188 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:58:19,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-12-16 00:58:19,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088c29cd3/ae733baacbba463f88910ebdb365bbc9/FLAG24259dff7 [2021-12-16 00:58:19,639 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:58:19,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-12-16 00:58:19,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088c29cd3/ae733baacbba463f88910ebdb365bbc9/FLAG24259dff7 [2021-12-16 00:58:20,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088c29cd3/ae733baacbba463f88910ebdb365bbc9 [2021-12-16 00:58:20,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:58:20,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:58:20,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:20,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:58:20,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:58:20,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2e40b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20, skipping insertion in model container [2021-12-16 00:58:20,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:58:20,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:58:20,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-12-16 00:58:20,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:20,262 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:58:20,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-12-16 00:58:20,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:20,356 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:58:20,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20 WrapperNode [2021-12-16 00:58:20,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:20,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:20,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:58:20,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:58:20,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,419 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 222 [2021-12-16 00:58:20,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:20,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:58:20,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:58:20,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:58:20,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:58:20,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:58:20,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:58:20,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:58:20,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (1/1) ... [2021-12-16 00:58:20,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:20,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:20,493 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) [2021-12-16 00:58:20,495 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 [2021-12-16 00:58:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:58:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:58:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:58:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:58:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:58:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:58:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:58:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:58:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:58:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:58:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:58:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-16 00:58:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-16 00:58:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:58:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:58:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:58:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:58:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:58:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:58:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:58:20,594 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:58:20,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:58:20,850 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:58:20,856 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:58:20,856 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:58:20,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:20 BoogieIcfgContainer [2021-12-16 00:58:20,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:58:20,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:58:20,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:58:20,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:58:20,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:58:20" (1/3) ... [2021-12-16 00:58:20,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c3f653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:20, skipping insertion in model container [2021-12-16 00:58:20,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:20" (2/3) ... [2021-12-16 00:58:20,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c3f653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:20, skipping insertion in model container [2021-12-16 00:58:20,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:20" (3/3) ... [2021-12-16 00:58:20,865 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2021-12-16 00:58:20,871 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:58:20,872 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:58:20,909 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:58:20,914 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 [2021-12-16 00:58:20,914 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:58:20,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 73 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-16 00:58:20,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-16 00:58:20,935 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:20,935 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] [2021-12-16 00:58:20,936 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:20,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1140518048, now seen corresponding path program 1 times [2021-12-16 00:58:20,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:20,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718178613] [2021-12-16 00:58:20,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:20,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:58:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:21,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:21,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718178613] [2021-12-16 00:58:21,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718178613] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:21,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:21,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:58:21,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898109331] [2021-12-16 00:58:21,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:21,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:58:21,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:21,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:58:21,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:21,228 INFO L87 Difference]: Start difference. First operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 73 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:21,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:21,274 INFO L93 Difference]: Finished difference Result 174 states and 233 transitions. [2021-12-16 00:58:21,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:58:21,276 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), 2 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 [2021-12-16 00:58:21,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:21,284 INFO L225 Difference]: With dead ends: 174 [2021-12-16 00:58:21,284 INFO L226 Difference]: Without dead ends: 82 [2021-12-16 00:58:21,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:21,292 INFO L933 BasicCegarLoop]: 113 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, 113 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 [2021-12-16 00:58:21,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:21,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-12-16 00:58:21,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-12-16 00:58:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.293103448275862) internal successors, (75), 65 states have internal predecessors, (75), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 00:58:21,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2021-12-16 00:58:21,377 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 23 [2021-12-16 00:58:21,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:21,378 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2021-12-16 00:58:21,378 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), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:21,378 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2021-12-16 00:58:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-16 00:58:21,382 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:21,383 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] [2021-12-16 00:58:21,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:58:21,384 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:21,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:21,386 INFO L85 PathProgramCache]: Analyzing trace with hash -862520954, now seen corresponding path program 1 times [2021-12-16 00:58:21,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:21,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40776364] [2021-12-16 00:58:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:21,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:58:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:21,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:21,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40776364] [2021-12-16 00:58:21,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40776364] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:21,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:21,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:21,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446322385] [2021-12-16 00:58:21,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:21,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:21,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:21,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:21,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:21,469 INFO L87 Difference]: Start difference. First operand 82 states and 104 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), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:21,487 INFO L93 Difference]: Finished difference Result 130 states and 164 transitions. [2021-12-16 00:58:21,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:21,488 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), 2 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 [2021-12-16 00:58:21,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:21,490 INFO L225 Difference]: With dead ends: 130 [2021-12-16 00:58:21,491 INFO L226 Difference]: Without dead ends: 73 [2021-12-16 00:58:21,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:21,499 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 12 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 166 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 [2021-12-16 00:58:21,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:21,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-16 00:58:21,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-16 00:58:21,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 59 states have internal predecessors, (68), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:58:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2021-12-16 00:58:21,516 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 24 [2021-12-16 00:58:21,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:21,517 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2021-12-16 00:58:21,517 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), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:21,518 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2021-12-16 00:58:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-16 00:58:21,523 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:21,524 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] [2021-12-16 00:58:21,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:58:21,524 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:21,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:21,526 INFO L85 PathProgramCache]: Analyzing trace with hash 855883978, now seen corresponding path program 1 times [2021-12-16 00:58:21,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:21,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306752820] [2021-12-16 00:58:21,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:21,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 00:58:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:21,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:21,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306752820] [2021-12-16 00:58:21,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306752820] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:21,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:21,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:21,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28223374] [2021-12-16 00:58:21,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:21,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:21,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:21,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:21,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:21,619 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:21,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:21,752 INFO L93 Difference]: Finished difference Result 139 states and 178 transitions. [2021-12-16 00:58:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:58:21,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-16 00:58:21,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:21,754 INFO L225 Difference]: With dead ends: 139 [2021-12-16 00:58:21,754 INFO L226 Difference]: Without dead ends: 73 [2021-12-16 00:58:21,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:58:21,755 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 171 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:21,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 181 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:58:21,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-16 00:58:21,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-16 00:58:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 59 states have internal predecessors, (67), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:58:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2021-12-16 00:58:21,765 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 28 [2021-12-16 00:58:21,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:21,765 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2021-12-16 00:58:21,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2021-12-16 00:58:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 00:58:21,766 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:21,766 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] [2021-12-16 00:58:21,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:58:21,767 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1235179039, now seen corresponding path program 1 times [2021-12-16 00:58:21,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:21,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463929755] [2021-12-16 00:58:21,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:21,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 00:58:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:58:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:58:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:21,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:21,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463929755] [2021-12-16 00:58:21,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463929755] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:21,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:21,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:58:21,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465427826] [2021-12-16 00:58:21,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:21,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:58:21,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:21,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:58:21,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:21,842 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:58:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:22,085 INFO L93 Difference]: Finished difference Result 231 states and 294 transitions. [2021-12-16 00:58:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:58:22,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2021-12-16 00:58:22,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:22,089 INFO L225 Difference]: With dead ends: 231 [2021-12-16 00:58:22,091 INFO L226 Difference]: Without dead ends: 165 [2021-12-16 00:58:22,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:58:22,100 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 134 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:22,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 395 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:58:22,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-12-16 00:58:22,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 135. [2021-12-16 00:58:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 94 states have (on average 1.2872340425531914) internal successors, (121), 107 states have internal predecessors, (121), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2021-12-16 00:58:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-12-16 00:58:22,133 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 38 [2021-12-16 00:58:22,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:22,134 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-12-16 00:58:22,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:58:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-12-16 00:58:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-16 00:58:22,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:22,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:22,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:58:22,136 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:22,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:22,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1170742117, now seen corresponding path program 1 times [2021-12-16 00:58:22,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:22,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249685206] [2021-12-16 00:58:22,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:22,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 00:58:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 00:58:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:58:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 00:58:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:22,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:22,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249685206] [2021-12-16 00:58:22,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249685206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:22,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:22,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:58:22,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544305590] [2021-12-16 00:58:22,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:22,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:58:22,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:22,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:58:22,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:22,277 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:58:22,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:22,402 INFO L93 Difference]: Finished difference Result 220 states and 279 transitions. [2021-12-16 00:58:22,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:58:22,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2021-12-16 00:58:22,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:22,403 INFO L225 Difference]: With dead ends: 220 [2021-12-16 00:58:22,403 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:58:22,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-16 00:58:22,406 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 71 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:22,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 133 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:58:22,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:58:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:58:22,407 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) [2021-12-16 00:58:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:58:22,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-12-16 00:58:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:22,409 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:58:22,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:58:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:58:22,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:58:22,412 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:58:22,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:58:22,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:58:22,882 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: true [2021-12-16 00:58:22,882 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2021-12-16 00:58:22,882 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2021-12-16 00:58:22,882 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2021-12-16 00:58:22,883 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2021-12-16 00:58:22,883 INFO L858 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2021-12-16 00:58:22,883 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 877 888) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,883 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2021-12-16 00:58:22,883 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 324 353) no Hoare annotation was computed. [2021-12-16 00:58:22,883 INFO L861 garLoopResultBuilder]: At program point L349(lines 324 353) the Hoare annotation is: true [2021-12-16 00:58:22,883 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 324 353) the Hoare annotation is: true [2021-12-16 00:58:22,883 INFO L858 garLoopResultBuilder]: For program point L345(line 345) no Hoare annotation was computed. [2021-12-16 00:58:22,883 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 342) no Hoare annotation was computed. [2021-12-16 00:58:22,883 INFO L861 garLoopResultBuilder]: At program point L338-1(lines 338 342) the Hoare annotation is: true [2021-12-16 00:58:22,883 INFO L858 garLoopResultBuilder]: For program point L335(line 335) no Hoare annotation was computed. [2021-12-16 00:58:22,883 INFO L861 garLoopResultBuilder]: At program point L334-2(lines 334 348) the Hoare annotation is: true [2021-12-16 00:58:22,883 INFO L861 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: true [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2021-12-16 00:58:22,884 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 889 897) the Hoare annotation is: true [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 889 897) no Hoare annotation was computed. [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 889 897) no Hoare annotation was computed. [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-12-16 00:58:22,884 INFO L854 garLoopResultBuilder]: At program point L857-2(lines 853 864) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2021-12-16 00:58:22,884 INFO L854 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2021-12-16 00:58:22,884 INFO L854 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,884 INFO L854 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-12-16 00:58:22,884 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 479) no Hoare annotation was computed. [2021-12-16 00:58:22,885 INFO L854 garLoopResultBuilder]: At program point L945(lines 940 947) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,885 INFO L854 garLoopResultBuilder]: At program point L466-1(lines 458 482) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 0)))) [2021-12-16 00:58:22,885 INFO L854 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,885 INFO L854 garLoopResultBuilder]: At program point L140-1(lines 121 145) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,885 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2021-12-16 00:58:22,885 INFO L854 garLoopResultBuilder]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= |timeShift_isPumpRunning_#res#1| 0) (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-16 00:58:22,885 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2021-12-16 00:58:22,885 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-12-16 00:58:22,885 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-12-16 00:58:22,885 INFO L854 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,885 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,885 INFO L858 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L854 garLoopResultBuilder]: At program point L382(lines 378 384) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,886 INFO L854 garLoopResultBuilder]: At program point L444(lines 440 446) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L854 garLoopResultBuilder]: At program point L304-2(lines 298 309) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L861 garLoopResultBuilder]: At program point L317(lines 258 321) the Hoare annotation is: true [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:58:22,886 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 415) no Hoare annotation was computed. [2021-12-16 00:58:22,887 INFO L854 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,887 INFO L858 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2021-12-16 00:58:22,887 INFO L854 garLoopResultBuilder]: At program point L437(lines 433 439) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,887 INFO L861 garLoopResultBuilder]: At program point L392(lines 385 394) the Hoare annotation is: true [2021-12-16 00:58:22,887 INFO L861 garLoopResultBuilder]: At program point L417(lines 398 420) the Hoare annotation is: true [2021-12-16 00:58:22,887 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:58:22,887 INFO L854 garLoopResultBuilder]: At program point L314(lines 267 315) the Hoare annotation is: false [2021-12-16 00:58:22,887 INFO L858 garLoopResultBuilder]: For program point L269(lines 268 313) no Hoare annotation was computed. [2021-12-16 00:58:22,887 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 309) no Hoare annotation was computed. [2021-12-16 00:58:22,887 INFO L854 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,887 INFO L854 garLoopResultBuilder]: At program point L311(lines 268 313) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,887 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2021-12-16 00:58:22,887 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-12-16 00:58:22,887 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2021-12-16 00:58:22,888 INFO L854 garLoopResultBuilder]: At program point L452(lines 447 455) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,888 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2021-12-16 00:58:22,888 INFO L858 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2021-12-16 00:58:22,888 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 865 876) the Hoare annotation is: true [2021-12-16 00:58:22,888 INFO L854 garLoopResultBuilder]: At program point L250(lines 235 253) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,888 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-12-16 00:58:22,888 INFO L858 garLoopResultBuilder]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2021-12-16 00:58:22,888 INFO L854 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,888 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2021-12-16 00:58:22,888 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:22,888 INFO L854 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,888 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 95 119) no Hoare annotation was computed. [2021-12-16 00:58:22,888 INFO L854 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,889 INFO L854 garLoopResultBuilder]: At program point L935(lines 930 938) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:22,889 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-12-16 00:58:22,889 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-12-16 00:58:22,889 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 179 189) the Hoare annotation is: true [2021-12-16 00:58:22,889 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2021-12-16 00:58:22,889 INFO L861 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: true [2021-12-16 00:58:22,889 INFO L858 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2021-12-16 00:58:22,889 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2021-12-16 00:58:22,896 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:58:22,899 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:58:22,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:58:22 BoogieIcfgContainer [2021-12-16 00:58:22,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:58:22,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:58:22,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:58:22,923 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:58:22,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:20" (3/4) ... [2021-12-16 00:58:22,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:58:22,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:58:22,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:58:22,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:58:22,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:58:22,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:58:22,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:58:22,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:58:22,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:22,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-16 00:58:22,983 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-16 00:58:22,983 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:58:22,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:58:22,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:58:22,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:58:22,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:22,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:23,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:58:23,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:58:23,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && systemActive == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:58:23,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:23,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0 [2021-12-16 00:58:23,006 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0) [2021-12-16 00:58:23,006 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-16 00:58:23,007 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:23,007 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:23,007 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:23,024 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:58:23,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:58:23,025 INFO L158 Benchmark]: Toolchain (without parser) took 2991.59ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 60.3MB in the beginning and 84.6MB in the end (delta: -24.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,025 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:58:23,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.80ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 41.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.60ms. Allocated memory is still 90.2MB. Free memory was 41.5MB in the beginning and 39.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,026 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 90.2MB. Free memory was 39.1MB in the beginning and 37.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,027 INFO L158 Benchmark]: RCFGBuilder took 400.29ms. Allocated memory is still 90.2MB. Free memory was 37.6MB in the beginning and 54.7MB in the end (delta: -17.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,027 INFO L158 Benchmark]: TraceAbstraction took 2063.15ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.3MB in the beginning and 55.5MB in the end (delta: -1.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,027 INFO L158 Benchmark]: Witness Printer took 101.70ms. Allocated memory is still 113.2MB. Free memory was 55.5MB in the beginning and 84.6MB in the end (delta: -29.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.80ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 41.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.60ms. Allocated memory is still 90.2MB. Free memory was 41.5MB in the beginning and 39.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 90.2MB. Free memory was 39.1MB in the beginning and 37.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.29ms. Allocated memory is still 90.2MB. Free memory was 37.6MB in the beginning and 54.7MB in the end (delta: -17.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2063.15ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.3MB in the beginning and 55.5MB in the end (delta: -1.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 101.70ms. Allocated memory is still 113.2MB. Free memory was 55.5MB in the beginning and 84.6MB in the end (delta: -29.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 944]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 400 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 988 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 568 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 354 IncrementalHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 420 mSDtfsCounter, 354 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 293 PreInvPairs, 315 NumberOfFragments, 352 HoareAnnotationTreeSize, 293 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 732 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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: 235]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) RESULT: Ultimate proved your program to be correct! [2021-12-16 00:58:23,077 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE