./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product09.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_product09.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 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:57:56,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:57:56,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:57:56,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:57:56,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:57:56,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:57:56,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:57:56,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:57:56,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:57:56,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:57:56,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:57:56,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:57:56,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:57:56,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:57:56,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:57:56,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:57:56,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:57:56,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:57:56,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:57:56,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:57:56,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:57:56,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:57:56,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:57:56,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:57:56,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:57:56,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:57:56,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:57:56,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:57:56,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:57:56,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:57:56,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:57:56,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:57:56,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:57:56,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:57:56,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:57:56,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:57:56,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:57:56,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:57:56,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:57:56,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:57:56,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:57:56,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:57:56,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:57:56,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:57:56,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:57:56,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:57:56,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:57:56,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:57:56,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:57:56,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:57:56,304 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:57:56,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:57:56,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:57:56,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:57:56,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:57:56,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:57:56,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:57:56,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:57:56,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:57:56,306 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:57:56,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:57:56,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:57:56,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:57:56,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:57:56,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:57:56,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:57:56,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:57:56,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:57:56,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:57:56,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:57:56,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:57:56,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:57:56,309 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:57:56,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:57:56,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:57:56,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:57:56,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 [2021-12-16 00:57:56,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:57:56,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:57:56,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:57:56,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:57:56,499 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:57:56,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-12-16 00:57:56,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9caa4856a/1e7fbd3d17cc436dac307d8193960199/FLAG972c2c995 [2021-12-16 00:57:56,965 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:57:56,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-12-16 00:57:56,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9caa4856a/1e7fbd3d17cc436dac307d8193960199/FLAG972c2c995 [2021-12-16 00:57:57,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9caa4856a/1e7fbd3d17cc436dac307d8193960199 [2021-12-16 00:57:57,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:57:57,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:57:57,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:57:57,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:57:57,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:57:57,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e94c553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57, skipping insertion in model container [2021-12-16 00:57:57,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:57:57,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:57:57,618 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_product09.cil.c[13030,13043] [2021-12-16 00:57:57,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:57:57,639 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:57:57,693 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_product09.cil.c[13030,13043] [2021-12-16 00:57:57,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:57:57,718 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:57:57,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57 WrapperNode [2021-12-16 00:57:57,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:57:57,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:57:57,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:57:57,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:57:57,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,785 INFO L137 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 18, calls inlined = 13, statements flattened = 180 [2021-12-16 00:57:57,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:57:57,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:57:57,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:57:57,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:57:57,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:57:57,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:57:57,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:57:57,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:57:57,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (1/1) ... [2021-12-16 00:57:57,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:57:57,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:57:57,866 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 00:57:57,885 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 00:57:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:57:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:57:57,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:57:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:57:57,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:57:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:57:57,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:57:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:57:57,896 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:57:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:57:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:57:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:57:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:57:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:57:57,941 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:57:57,942 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:57:58,072 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:57:58,077 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:57:58,077 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:57:58,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:57:58 BoogieIcfgContainer [2021-12-16 00:57:58,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:57:58,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:57:58,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:57:58,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:57:58,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:57:57" (1/3) ... [2021-12-16 00:57:58,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7895b144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:57:58, skipping insertion in model container [2021-12-16 00:57:58,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:57:57" (2/3) ... [2021-12-16 00:57:58,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7895b144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:57:58, skipping insertion in model container [2021-12-16 00:57:58,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:57:58" (3/3) ... [2021-12-16 00:57:58,084 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2021-12-16 00:57:58,088 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:57:58,088 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:57:58,117 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:57:58,121 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 00:57:58,122 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:57:58,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 52 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-16 00:57:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-16 00:57:58,137 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:57:58,138 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 00:57:58,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:57:58,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:57:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1206274499, now seen corresponding path program 1 times [2021-12-16 00:57:58,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:57:58,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802393303] [2021-12-16 00:57:58,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:57:58,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:57:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:57:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:58,296 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 00:57:58,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:57:58,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802393303] [2021-12-16 00:57:58,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802393303] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:57:58,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:57:58,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:57:58,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861486561] [2021-12-16 00:57:58,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:57:58,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:57:58,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:57:58,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:57:58,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:57:58,331 INFO L87 Difference]: Start difference. First operand has 62 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 52 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 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 00:57:58,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:57:58,348 INFO L93 Difference]: Finished difference Result 116 states and 157 transitions. [2021-12-16 00:57:58,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:57:58,350 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 00:57:58,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:57:58,355 INFO L225 Difference]: With dead ends: 116 [2021-12-16 00:57:58,355 INFO L226 Difference]: Without dead ends: 53 [2021-12-16 00:57:58,357 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 00:57:58,360 INFO L933 BasicCegarLoop]: 75 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, 75 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 00:57:58,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:57:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-12-16 00:57:58,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-12-16 00:57:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-16 00:57:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2021-12-16 00:57:58,408 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 23 [2021-12-16 00:57:58,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:57:58,410 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2021-12-16 00:57:58,410 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 00:57:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2021-12-16 00:57:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-16 00:57:58,413 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:57:58,413 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 00:57:58,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:57:58,414 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:57:58,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:57:58,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1465327055, now seen corresponding path program 1 times [2021-12-16 00:57:58,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:57:58,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168948751] [2021-12-16 00:57:58,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:57:58,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:57:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:57:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:58,527 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 00:57:58,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:57:58,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168948751] [2021-12-16 00:57:58,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168948751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:57:58,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:57:58,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:57:58,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203343148] [2021-12-16 00:57:58,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:57:58,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:57:58,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:57:58,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:57:58,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:57:58,532 INFO L87 Difference]: Start difference. First operand 53 states and 66 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 00:57:58,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:57:58,548 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2021-12-16 00:57:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:57:58,549 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 00:57:58,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:57:58,550 INFO L225 Difference]: With dead ends: 72 [2021-12-16 00:57:58,551 INFO L226 Difference]: Without dead ends: 44 [2021-12-16 00:57:58,555 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 00:57:58,558 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 12 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 90 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 00:57:58,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:57:58,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-12-16 00:57:58,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-12-16 00:57:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 38 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-16 00:57:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2021-12-16 00:57:58,569 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 24 [2021-12-16 00:57:58,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:57:58,570 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-12-16 00:57:58,571 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 00:57:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2021-12-16 00:57:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-16 00:57:58,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:57:58,572 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 00:57:58,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:57:58,573 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:57:58,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:57:58,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1007776113, now seen corresponding path program 1 times [2021-12-16 00:57:58,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:57:58,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176380984] [2021-12-16 00:57:58,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:57:58,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:57:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 00:57:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:58,696 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 00:57:58,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:57:58,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176380984] [2021-12-16 00:57:58,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176380984] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:57:58,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:57:58,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:57:58,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971758179] [2021-12-16 00:57:58,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:57:58,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:57:58,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:57:58,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:57:58,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:57:58,702 INFO L87 Difference]: Start difference. First operand 44 states and 54 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 00:57:58,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:57:58,787 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2021-12-16 00:57:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:57:58,788 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 00:57:58,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:57:58,788 INFO L225 Difference]: With dead ends: 81 [2021-12-16 00:57:58,789 INFO L226 Difference]: Without dead ends: 44 [2021-12-16 00:57:58,789 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 00:57:58,790 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 80 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:57:58,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 99 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:57:58,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-12-16 00:57:58,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-12-16 00:57:58,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 38 states have internal predecessors, (45), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-16 00:57:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2021-12-16 00:57:58,799 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 28 [2021-12-16 00:57:58,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:57:58,815 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2021-12-16 00:57:58,815 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 00:57:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2021-12-16 00:57:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-16 00:57:58,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:57:58,817 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] [2021-12-16 00:57:58,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:57:58,818 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:57:58,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:57:58,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1539641432, now seen corresponding path program 1 times [2021-12-16 00:57:58,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:57:58,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472450313] [2021-12-16 00:57:58,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:57:58,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:57:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:57:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:58,929 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 00:57:58,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:57:58,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472450313] [2021-12-16 00:57:58,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472450313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:57:58,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:57:58,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:57:58,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671488200] [2021-12-16 00:57:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:57:58,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:57:58,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:57:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:57:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:57:58,932 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 1 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 00:57:59,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:57:59,009 INFO L93 Difference]: Finished difference Result 117 states and 147 transitions. [2021-12-16 00:57:59,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:57:59,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-16 00:57:59,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:57:59,013 INFO L225 Difference]: With dead ends: 117 [2021-12-16 00:57:59,016 INFO L226 Difference]: Without dead ends: 80 [2021-12-16 00:57:59,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:57:59,018 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 28 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:57:59,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 242 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:57:59,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-16 00:57:59,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2021-12-16 00:57:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-12-16 00:57:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 94 transitions. [2021-12-16 00:57:59,036 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 94 transitions. Word has length 29 [2021-12-16 00:57:59,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:57:59,037 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 94 transitions. [2021-12-16 00:57:59,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 1 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 00:57:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-12-16 00:57:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-16 00:57:59,039 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:57:59,040 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] [2021-12-16 00:57:59,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:57:59,040 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:57:59,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:57:59,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1296216628, now seen corresponding path program 1 times [2021-12-16 00:57:59,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:57:59,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777355869] [2021-12-16 00:57:59,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:57:59,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:57:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 00:57:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:57:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:57:59,117 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 00:57:59,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:57:59,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777355869] [2021-12-16 00:57:59,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777355869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:57:59,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:57:59,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:57:59,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471015492] [2021-12-16 00:57:59,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:57:59,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:57:59,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:57:59,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:57:59,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:57:59,124 INFO L87 Difference]: Start difference. First operand 77 states and 94 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:57:59,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:57:59,219 INFO L93 Difference]: Finished difference Result 144 states and 179 transitions. [2021-12-16 00:57:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 00:57:59,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-16 00:57:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:57:59,220 INFO L225 Difference]: With dead ends: 144 [2021-12-16 00:57:59,220 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:57:59,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:57:59,221 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 42 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:57:59,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 121 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:57:59,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:57:59,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:57:59,222 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 00:57:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:57:59,222 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-12-16 00:57:59,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:57:59,223 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:57:59,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:57:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:57:59,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:57:59,225 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:57:59,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:57:59,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:57:59,431 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (not (= ~systemActive~0 1))) [2021-12-16 00:57:59,431 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2021-12-16 00:57:59,431 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2021-12-16 00:57:59,432 INFO L854 garLoopResultBuilder]: At program point L545(lines 540 547) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:57:59,432 INFO L858 garLoopResultBuilder]: For program point L659-1(lines 658 677) no Hoare annotation was computed. [2021-12-16 00:57:59,432 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 655 678) no Hoare annotation was computed. [2021-12-16 00:57:59,432 INFO L854 garLoopResultBuilder]: At program point L736(lines 731 739) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-16 00:57:59,432 INFO L858 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2021-12-16 00:57:59,432 INFO L858 garLoopResultBuilder]: For program point L666-1(lines 666 672) no Hoare annotation was computed. [2021-12-16 00:57:59,432 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 860) no Hoare annotation was computed. [2021-12-16 00:57:59,432 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-12-16 00:57:59,433 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 863) no Hoare annotation was computed. [2021-12-16 00:57:59,433 INFO L854 garLoopResultBuilder]: At program point L850-1(lines 842 866) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:57:59,433 INFO L854 garLoopResultBuilder]: At program point L466-2(lines 462 473) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:57:59,433 INFO L861 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: true [2021-12-16 00:57:59,433 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 655 678) the Hoare annotation is: true [2021-12-16 00:57:59,433 INFO L858 garLoopResultBuilder]: For program point L848-1(line 848) no Hoare annotation was computed. [2021-12-16 00:57:59,434 INFO L861 garLoopResultBuilder]: At program point L683(lines 679 685) the Hoare annotation is: true [2021-12-16 00:57:59,434 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 655 678) no Hoare annotation was computed. [2021-12-16 00:57:59,434 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-12-16 00:57:59,434 INFO L861 garLoopResultBuilder]: At program point L576(lines 551 580) the Hoare annotation is: true [2021-12-16 00:57:59,434 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed. [2021-12-16 00:57:59,434 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 551 580) the Hoare annotation is: true [2021-12-16 00:57:59,434 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-12-16 00:57:59,435 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-12-16 00:57:59,435 INFO L861 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true [2021-12-16 00:57:59,435 INFO L858 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-12-16 00:57:59,441 INFO L861 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true [2021-12-16 00:57:59,441 INFO L861 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true [2021-12-16 00:57:59,442 INFO L858 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2021-12-16 00:57:59,442 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 498 506) the Hoare annotation is: true [2021-12-16 00:57:59,442 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2021-12-16 00:57:59,442 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2021-12-16 00:57:59,442 INFO L854 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:57:59,442 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 641) no Hoare annotation was computed. [2021-12-16 00:57:59,442 INFO L858 garLoopResultBuilder]: For program point L634-2(lines 634 641) no Hoare annotation was computed. [2021-12-16 00:57:59,442 INFO L861 garLoopResultBuilder]: At program point L643(lines 624 646) the Hoare annotation is: true [2021-12-16 00:57:59,442 INFO L854 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:57:59,442 INFO L854 garLoopResultBuilder]: At program point L833(lines 786 834) the Hoare annotation is: false [2021-12-16 00:57:59,442 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:57:59,442 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L858 garLoopResultBuilder]: For program point L788(lines 787 832) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 828) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L854 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:57:59,443 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L854 garLoopResultBuilder]: At program point L830(lines 787 832) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:57:59,443 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L858 garLoopResultBuilder]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) 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 00:57:59,443 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:57:59,443 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-12-16 00:57:59,443 INFO L854 garLoopResultBuilder]: At program point L823-2(lines 817 828) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:57:59,444 INFO L861 garLoopResultBuilder]: At program point L621(lines 614 623) the Hoare annotation is: true [2021-12-16 00:57:59,444 INFO L858 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-12-16 00:57:59,444 INFO L858 garLoopResultBuilder]: For program point L807-1(lines 807 813) no Hoare annotation was computed. [2021-12-16 00:57:59,444 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:57:59,444 INFO L861 garLoopResultBuilder]: At program point L836(lines 777 840) the Hoare annotation is: true [2021-12-16 00:57:59,444 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2021-12-16 00:57:59,444 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2021-12-16 00:57:59,444 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: true [2021-12-16 00:57:59,446 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:57:59,447 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:57:59,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:57:59 BoogieIcfgContainer [2021-12-16 00:57:59,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:57:59,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:57:59,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:57:59,478 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:57:59,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:57:58" (3/4) ... [2021-12-16 00:57:59,480 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:57:59,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:57:59,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:57:59,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:57:59,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:57:59,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:57:59,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-16 00:57:59,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:57:59,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:57:59,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:57:59,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:57:59,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:57:59,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:57:59,504 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:57:59,504 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == tmp && systemActive == \result) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:57:59,504 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && systemActive == tmp) && systemActive == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:57:59,505 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || \result == 0) || !(systemActive == 1)) && ((!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-16 00:57:59,515 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:57:59,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:57:59,515 INFO L158 Benchmark]: Toolchain (without parser) took 2148.45ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 87.4MB in the beginning and 84.9MB in the end (delta: 2.5MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-12-16 00:57:59,515 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:57:59,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.08ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 82.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 00:57:59,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.12ms. Allocated memory is still 115.3MB. Free memory was 82.9MB in the beginning and 80.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:57:59,516 INFO L158 Benchmark]: Boogie Preprocessor took 33.49ms. Allocated memory is still 115.3MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:57:59,516 INFO L158 Benchmark]: RCFGBuilder took 257.63ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 65.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-16 00:57:59,517 INFO L158 Benchmark]: TraceAbstraction took 1397.29ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 65.1MB in the beginning and 89.1MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:57:59,517 INFO L158 Benchmark]: Witness Printer took 37.58ms. Allocated memory is still 138.4MB. Free memory was 89.1MB in the beginning and 84.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 00:57:59,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.08ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 82.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.12ms. Allocated memory is still 115.3MB. Free memory was 82.9MB in the beginning and 80.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.49ms. Allocated memory is still 115.3MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 257.63ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 65.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1397.29ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 65.1MB in the beginning and 89.1MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.58ms. Allocated memory is still 138.4MB. Free memory was 89.1MB in the beginning and 84.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 544]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 627 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 356 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 271 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 121 PreInvPairs, 141 NumberOfFragments, 199 HoareAnnotationTreeSize, 121 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 426 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 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: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == tmp) && systemActive == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((systemActive == tmp && systemActive == \result) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || \result == 0) || !(systemActive == 1)) && ((!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(systemActive == 1) - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(systemActive == 1) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:57:59,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE