./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product43.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_spec5_product43.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 e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 01:01:15,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 01:01:15,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 01:01:15,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 01:01:15,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 01:01:15,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 01:01:15,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 01:01:15,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 01:01:15,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 01:01:15,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 01:01:15,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 01:01:15,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 01:01:15,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 01:01:15,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 01:01:15,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 01:01:15,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 01:01:15,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 01:01:15,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 01:01:15,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 01:01:15,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 01:01:15,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 01:01:15,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 01:01:15,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 01:01:15,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 01:01:15,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 01:01:15,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 01:01:15,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 01:01:15,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 01:01:15,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 01:01:15,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 01:01:15,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 01:01:15,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 01:01:15,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 01:01:15,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 01:01:15,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 01:01:15,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 01:01:15,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 01:01:15,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 01:01:15,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 01:01:15,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 01:01:15,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 01:01:15,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 01:01:15,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 01:01:15,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 01:01:15,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 01:01:15,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 01:01:15,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 01:01:15,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 01:01:15,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 01:01:15,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 01:01:15,341 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 01:01:15,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 01:01:15,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 01:01:15,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 01:01:15,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 01:01:15,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 01:01:15,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 01:01:15,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 01:01:15,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 01:01:15,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 01:01:15,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 01:01:15,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 01:01:15,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 01:01:15,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 01:01:15,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 01:01:15,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 01:01:15,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:15,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 01:01:15,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 01:01:15,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 01:01:15,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 01:01:15,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 01:01:15,345 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 01:01:15,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 01:01:15,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 01:01:15,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 01:01:15,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 [2021-12-16 01:01:15,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 01:01:15,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 01:01:15,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 01:01:15,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 01:01:15,588 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 01:01:15,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-12-16 01:01:15,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a268c459/1f8daf189e094906b45ffb1780e3a692/FLAGb94d98ecd [2021-12-16 01:01:16,041 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 01:01:16,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-12-16 01:01:16,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a268c459/1f8daf189e094906b45ffb1780e3a692/FLAGb94d98ecd [2021-12-16 01:01:16,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a268c459/1f8daf189e094906b45ffb1780e3a692 [2021-12-16 01:01:16,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 01:01:16,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 01:01:16,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:16,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 01:01:16,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 01:01:16,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd591a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16, skipping insertion in model container [2021-12-16 01:01:16,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 01:01:16,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 01:01:16,320 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_spec5_product43.cil.c[18537,18550] [2021-12-16 01:01:16,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:16,331 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 01:01:16,384 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_spec5_product43.cil.c[18537,18550] [2021-12-16 01:01:16,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:16,396 INFO L208 MainTranslator]: Completed translation [2021-12-16 01:01:16,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16 WrapperNode [2021-12-16 01:01:16,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:16,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:16,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 01:01:16,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 01:01:16,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,440 INFO L137 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 258 [2021-12-16 01:01:16,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:16,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 01:01:16,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 01:01:16,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 01:01:16,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 01:01:16,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 01:01:16,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 01:01:16,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 01:01:16,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (1/1) ... [2021-12-16 01:01:16,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:16,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:16,509 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 01:01:16,513 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 01:01:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 01:01:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 01:01:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 01:01:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 01:01:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 01:01:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 01:01:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 01:01:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 01:01:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 01:01:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-16 01:01:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-16 01:01:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 01:01:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 01:01:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 01:01:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 01:01:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 01:01:16,636 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 01:01:16,637 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 01:01:16,841 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 01:01:16,846 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 01:01:16,846 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 01:01:16,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:16 BoogieIcfgContainer [2021-12-16 01:01:16,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 01:01:16,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 01:01:16,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 01:01:16,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 01:01:16,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:01:16" (1/3) ... [2021-12-16 01:01:16,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39793059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:16, skipping insertion in model container [2021-12-16 01:01:16,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:16" (2/3) ... [2021-12-16 01:01:16,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39793059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:16, skipping insertion in model container [2021-12-16 01:01:16,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:16" (3/3) ... [2021-12-16 01:01:16,855 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2021-12-16 01:01:16,859 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 01:01:16,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 01:01:16,897 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 01:01:16,903 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 01:01:16,903 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 01:01:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 76 states have internal predecessors, (96), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-16 01:01:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-16 01:01:16,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:16,930 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:16,930 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:16,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:16,937 INFO L85 PathProgramCache]: Analyzing trace with hash 991645006, now seen corresponding path program 1 times [2021-12-16 01:01:16,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:16,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017950209] [2021-12-16 01:01:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:16,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 01:01:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 01:01:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:17,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:17,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017950209] [2021-12-16 01:01:17,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017950209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:17,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:17,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 01:01:17,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797408043] [2021-12-16 01:01:17,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:17,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 01:01:17,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 01:01:17,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:17,217 INFO L87 Difference]: Start difference. First operand has 88 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 76 states have internal predecessors, (96), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:17,253 INFO L93 Difference]: Finished difference Result 167 states and 226 transitions. [2021-12-16 01:01:17,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 01:01:17,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-16 01:01:17,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:17,268 INFO L225 Difference]: With dead ends: 167 [2021-12-16 01:01:17,268 INFO L226 Difference]: Without dead ends: 79 [2021-12-16 01:01:17,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 01:01:17,275 INFO L933 BasicCegarLoop]: 110 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, 110 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 01:01:17,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:17,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-16 01:01:17,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-16 01:01:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 68 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 01:01:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2021-12-16 01:01:17,313 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 32 [2021-12-16 01:01:17,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:17,314 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-12-16 01:01:17,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-12-16 01:01:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-16 01:01:17,319 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:17,319 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:17,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 01:01:17,321 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:17,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:17,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1721110732, now seen corresponding path program 1 times [2021-12-16 01:01:17,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:17,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641178330] [2021-12-16 01:01:17,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:17,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 01:01:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:17,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:17,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641178330] [2021-12-16 01:01:17,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641178330] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:17,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:17,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:17,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149137237] [2021-12-16 01:01:17,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:17,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:17,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:17,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:17,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:17,450 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:17,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:17,651 INFO L93 Difference]: Finished difference Result 273 states and 364 transitions. [2021-12-16 01:01:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 01:01:17,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-16 01:01:17,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:17,659 INFO L225 Difference]: With dead ends: 273 [2021-12-16 01:01:17,659 INFO L226 Difference]: Without dead ends: 202 [2021-12-16 01:01:17,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 01:01:17,664 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 267 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:17,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 463 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-16 01:01:17,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 192. [2021-12-16 01:01:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 149 states have (on average 1.3221476510067114) internal successors, (197), 160 states have internal predecessors, (197), 28 states have call successors, (28), 17 states have call predecessors, (28), 14 states have return successors, (28), 23 states have call predecessors, (28), 25 states have call successors, (28) [2021-12-16 01:01:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 253 transitions. [2021-12-16 01:01:17,687 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 253 transitions. Word has length 37 [2021-12-16 01:01:17,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:17,688 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 253 transitions. [2021-12-16 01:01:17,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 253 transitions. [2021-12-16 01:01:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 01:01:17,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:17,689 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:17,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 01:01:17,690 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:17,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:17,690 INFO L85 PathProgramCache]: Analyzing trace with hash -940805792, now seen corresponding path program 1 times [2021-12-16 01:01:17,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:17,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511755389] [2021-12-16 01:01:17,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:17,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 01:01:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 01:01:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 01:01:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:17,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:17,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511755389] [2021-12-16 01:01:17,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511755389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:17,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:17,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:17,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250638876] [2021-12-16 01:01:17,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:17,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:17,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:17,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:17,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:17,757 INFO L87 Difference]: Start difference. First operand 192 states and 253 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-16 01:01:17,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:17,765 INFO L93 Difference]: Finished difference Result 291 states and 379 transitions. [2021-12-16 01:01:17,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:17,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2021-12-16 01:01:17,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:17,767 INFO L225 Difference]: With dead ends: 291 [2021-12-16 01:01:17,767 INFO L226 Difference]: Without dead ends: 165 [2021-12-16 01:01:17,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 01:01:17,768 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 155 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 01:01:17,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:17,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-12-16 01:01:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-12-16 01:01:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 142 states have internal predecessors, (176), 19 states have call successors, (19), 14 states have call predecessors, (19), 14 states have return successors, (20), 17 states have call predecessors, (20), 19 states have call successors, (20) [2021-12-16 01:01:17,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2021-12-16 01:01:17,781 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 38 [2021-12-16 01:01:17,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:17,781 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2021-12-16 01:01:17,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-16 01:01:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2021-12-16 01:01:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-16 01:01:17,783 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:17,783 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:17,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 01:01:17,799 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:17,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:17,800 INFO L85 PathProgramCache]: Analyzing trace with hash 845444465, now seen corresponding path program 1 times [2021-12-16 01:01:17,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:17,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142279408] [2021-12-16 01:01:17,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:17,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-16 01:01:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 01:01:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:17,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:17,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142279408] [2021-12-16 01:01:17,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142279408] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:17,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:17,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:17,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036059887] [2021-12-16 01:01:17,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:17,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:17,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:17,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:17,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:17,893 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:17,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:17,942 INFO L93 Difference]: Finished difference Result 407 states and 539 transitions. [2021-12-16 01:01:17,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:17,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2021-12-16 01:01:17,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:17,943 INFO L225 Difference]: With dead ends: 407 [2021-12-16 01:01:17,943 INFO L226 Difference]: Without dead ends: 250 [2021-12-16 01:01:17,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 01:01:17,945 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 57 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:17,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 153 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:17,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-16 01:01:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2021-12-16 01:01:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 194 states have (on average 1.3144329896907216) internal successors, (255), 209 states have internal predecessors, (255), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2021-12-16 01:01:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 319 transitions. [2021-12-16 01:01:17,974 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 319 transitions. Word has length 42 [2021-12-16 01:01:17,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:17,974 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 319 transitions. [2021-12-16 01:01:17,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 319 transitions. [2021-12-16 01:01:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-16 01:01:17,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:17,976 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:17,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 01:01:17,976 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:17,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:17,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1493412905, now seen corresponding path program 1 times [2021-12-16 01:01:17,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:17,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969618660] [2021-12-16 01:01:17,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:17,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 01:01:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 01:01:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 01:01:18,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:18,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969618660] [2021-12-16 01:01:18,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969618660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:18,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:18,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:18,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868326530] [2021-12-16 01:01:18,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:18,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:18,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:18,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:18,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:18,046 INFO L87 Difference]: Start difference. First operand 248 states and 319 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:18,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:18,139 INFO L93 Difference]: Finished difference Result 500 states and 651 transitions. [2021-12-16 01:01:18,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 01:01:18,139 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-16 01:01:18,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:18,145 INFO L225 Difference]: With dead ends: 500 [2021-12-16 01:01:18,146 INFO L226 Difference]: Without dead ends: 260 [2021-12-16 01:01:18,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 01:01:18,147 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 46 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:18,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 419 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:18,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-12-16 01:01:18,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 245. [2021-12-16 01:01:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 191 states have (on average 1.287958115183246) internal successors, (246), 206 states have internal predecessors, (246), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2021-12-16 01:01:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 310 transitions. [2021-12-16 01:01:18,177 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 310 transitions. Word has length 41 [2021-12-16 01:01:18,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:18,177 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 310 transitions. [2021-12-16 01:01:18,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 310 transitions. [2021-12-16 01:01:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-16 01:01:18,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:18,179 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:18,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 01:01:18,179 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:18,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:18,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1271259535, now seen corresponding path program 1 times [2021-12-16 01:01:18,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:18,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282289576] [2021-12-16 01:01:18,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:18,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 01:01:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:18,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:18,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282289576] [2021-12-16 01:01:18,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282289576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:18,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:18,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:18,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657239588] [2021-12-16 01:01:18,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:18,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:18,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:18,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:18,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:18,240 INFO L87 Difference]: Start difference. First operand 245 states and 310 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:18,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:18,283 INFO L93 Difference]: Finished difference Result 530 states and 688 transitions. [2021-12-16 01:01:18,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 01:01:18,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-16 01:01:18,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:18,287 INFO L225 Difference]: With dead ends: 530 [2021-12-16 01:01:18,287 INFO L226 Difference]: Without dead ends: 293 [2021-12-16 01:01:18,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:18,293 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 42 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:18,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 377 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:18,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-12-16 01:01:18,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 251. [2021-12-16 01:01:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 212 states have internal predecessors, (252), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2021-12-16 01:01:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 316 transitions. [2021-12-16 01:01:18,307 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 316 transitions. Word has length 50 [2021-12-16 01:01:18,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:18,308 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 316 transitions. [2021-12-16 01:01:18,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 316 transitions. [2021-12-16 01:01:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-16 01:01:18,309 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:18,309 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:18,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 01:01:18,309 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash -848557709, now seen corresponding path program 1 times [2021-12-16 01:01:18,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:18,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434492529] [2021-12-16 01:01:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:18,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 01:01:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:18,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:18,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434492529] [2021-12-16 01:01:18,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434492529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:18,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:18,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:18,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815268439] [2021-12-16 01:01:18,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:18,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:18,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:18,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:18,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:18,354 INFO L87 Difference]: Start difference. First operand 251 states and 316 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:18,403 INFO L93 Difference]: Finished difference Result 548 states and 708 transitions. [2021-12-16 01:01:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:18,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-16 01:01:18,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:18,405 INFO L225 Difference]: With dead ends: 548 [2021-12-16 01:01:18,405 INFO L226 Difference]: Without dead ends: 305 [2021-12-16 01:01:18,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:18,406 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:18,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 431 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:18,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-12-16 01:01:18,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 255. [2021-12-16 01:01:18,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 201 states have (on average 1.2736318407960199) internal successors, (256), 216 states have internal predecessors, (256), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2021-12-16 01:01:18,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 320 transitions. [2021-12-16 01:01:18,419 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 320 transitions. Word has length 50 [2021-12-16 01:01:18,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:18,419 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 320 transitions. [2021-12-16 01:01:18,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:18,419 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 320 transitions. [2021-12-16 01:01:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-16 01:01:18,420 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:18,420 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:18,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 01:01:18,420 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:18,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:18,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1640971253, now seen corresponding path program 1 times [2021-12-16 01:01:18,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:18,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212328868] [2021-12-16 01:01:18,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:18,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 01:01:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:18,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:18,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212328868] [2021-12-16 01:01:18,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212328868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:18,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:18,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:18,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632493529] [2021-12-16 01:01:18,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:18,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:18,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:18,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:18,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:18,488 INFO L87 Difference]: Start difference. First operand 255 states and 320 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:18,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:18,515 INFO L93 Difference]: Finished difference Result 629 states and 799 transitions. [2021-12-16 01:01:18,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:18,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-16 01:01:18,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:18,518 INFO L225 Difference]: With dead ends: 629 [2021-12-16 01:01:18,518 INFO L226 Difference]: Without dead ends: 382 [2021-12-16 01:01:18,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 01:01:18,519 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 39 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:18,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 167 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:18,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-12-16 01:01:18,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2021-12-16 01:01:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 300 states have (on average 1.2466666666666666) internal successors, (374), 318 states have internal predecessors, (374), 46 states have call successors, (46), 38 states have call predecessors, (46), 35 states have return successors, (53), 43 states have call predecessors, (53), 46 states have call successors, (53) [2021-12-16 01:01:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 473 transitions. [2021-12-16 01:01:18,540 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 473 transitions. Word has length 50 [2021-12-16 01:01:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:18,540 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 473 transitions. [2021-12-16 01:01:18,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 473 transitions. [2021-12-16 01:01:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-16 01:01:18,542 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:18,542 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:18,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 01:01:18,542 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:18,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:18,542 INFO L85 PathProgramCache]: Analyzing trace with hash 832166863, now seen corresponding path program 1 times [2021-12-16 01:01:18,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:18,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819207177] [2021-12-16 01:01:18,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:18,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 01:01:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 01:01:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:18,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:18,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819207177] [2021-12-16 01:01:18,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819207177] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:18,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:18,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 01:01:18,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116758286] [2021-12-16 01:01:18,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:18,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 01:01:18,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:18,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 01:01:18,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:18,645 INFO L87 Difference]: Start difference. First operand 382 states and 473 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 01:01:18,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:18,956 INFO L93 Difference]: Finished difference Result 1255 states and 1604 transitions. [2021-12-16 01:01:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 01:01:18,956 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 54 [2021-12-16 01:01:18,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:18,961 INFO L225 Difference]: With dead ends: 1255 [2021-12-16 01:01:18,961 INFO L226 Difference]: Without dead ends: 1008 [2021-12-16 01:01:18,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-12-16 01:01:18,962 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 262 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:18,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 668 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 01:01:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2021-12-16 01:01:18,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 931. [2021-12-16 01:01:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 737 states have (on average 1.2293080054274084) internal successors, (906), 787 states have internal predecessors, (906), 106 states have call successors, (106), 81 states have call predecessors, (106), 87 states have return successors, (132), 101 states have call predecessors, (132), 106 states have call successors, (132) [2021-12-16 01:01:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1144 transitions. [2021-12-16 01:01:19,000 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1144 transitions. Word has length 54 [2021-12-16 01:01:19,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:19,000 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1144 transitions. [2021-12-16 01:01:19,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 01:01:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1144 transitions. [2021-12-16 01:01:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-16 01:01:19,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:19,002 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:19,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 01:01:19,002 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:19,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:19,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1448493659, now seen corresponding path program 1 times [2021-12-16 01:01:19,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:19,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742643722] [2021-12-16 01:01:19,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:19,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 01:01:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 01:01:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:19,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 01:01:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-16 01:01:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-16 01:01:19,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:19,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742643722] [2021-12-16 01:01:19,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742643722] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:19,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554895969] [2021-12-16 01:01:19,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:19,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:19,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:19,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 01:01:19,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 01:01:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:19,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 01:01:19,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 01:01:19,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-16 01:01:19,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554895969] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:19,724 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:19,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-16 01:01:19,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278311981] [2021-12-16 01:01:19,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:19,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-16 01:01:19,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:19,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-16 01:01:19,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-16 01:01:19,727 INFO L87 Difference]: Start difference. First operand 931 states and 1144 transitions. Second operand has 15 states, 15 states have (on average 7.0) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-16 01:01:20,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:20,483 INFO L93 Difference]: Finished difference Result 1715 states and 2172 transitions. [2021-12-16 01:01:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-16 01:01:20,484 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 85 [2021-12-16 01:01:20,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:20,488 INFO L225 Difference]: With dead ends: 1715 [2021-12-16 01:01:20,488 INFO L226 Difference]: Without dead ends: 913 [2021-12-16 01:01:20,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=326, Invalid=1480, Unknown=0, NotChecked=0, Total=1806 [2021-12-16 01:01:20,491 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 316 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:20,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 1208 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 01:01:20,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2021-12-16 01:01:20,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 818. [2021-12-16 01:01:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 633 states have (on average 1.2116903633491312) internal successors, (767), 677 states have internal predecessors, (767), 100 states have call successors, (100), 84 states have call predecessors, (100), 84 states have return successors, (119), 89 states have call predecessors, (119), 100 states have call successors, (119) [2021-12-16 01:01:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 986 transitions. [2021-12-16 01:01:20,526 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 986 transitions. Word has length 85 [2021-12-16 01:01:20,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:20,527 INFO L470 AbstractCegarLoop]: Abstraction has 818 states and 986 transitions. [2021-12-16 01:01:20,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-16 01:01:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 986 transitions. [2021-12-16 01:01:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-16 01:01:20,534 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:20,535 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:20,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-16 01:01:20,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 01:01:20,753 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:20,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:20,753 INFO L85 PathProgramCache]: Analyzing trace with hash -366703378, now seen corresponding path program 1 times [2021-12-16 01:01:20,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:20,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724469484] [2021-12-16 01:01:20,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:20,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 01:01:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 01:01:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-16 01:01:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 01:01:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 01:01:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-16 01:01:20,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:20,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724469484] [2021-12-16 01:01:20,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724469484] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:20,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486574872] [2021-12-16 01:01:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:20,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:20,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:20,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 01:01:20,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 01:01:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:20,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 01:01:20,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-12-16 01:01:21,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 01:01:21,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486574872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:21,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 01:01:21,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2021-12-16 01:01:21,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839278230] [2021-12-16 01:01:21,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:21,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:21,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:21,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:21,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:21,106 INFO L87 Difference]: Start difference. First operand 818 states and 986 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-16 01:01:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:21,128 INFO L93 Difference]: Finished difference Result 993 states and 1205 transitions. [2021-12-16 01:01:21,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:21,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 158 [2021-12-16 01:01:21,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:21,130 INFO L225 Difference]: With dead ends: 993 [2021-12-16 01:01:21,130 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 01:01:21,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:21,133 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 36 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:21,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 205 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:21,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 01:01:21,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 01:01:21,134 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 01:01:21,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 01:01:21,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2021-12-16 01:01:21,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:21,135 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 01:01:21,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-16 01:01:21,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 01:01:21,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 01:01:21,137 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 01:01:21,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 01:01:21,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-16 01:01:21,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 01:01:23,656 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 629 635) no Hoare annotation was computed. [2021-12-16 01:01:23,657 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 629 635) the Hoare annotation is: true [2021-12-16 01:01:23,657 INFO L858 garLoopResultBuilder]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2021-12-16 01:01:23,657 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 814 825) the Hoare annotation is: true [2021-12-16 01:01:23,657 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 814 825) no Hoare annotation was computed. [2021-12-16 01:01:23,657 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 615) no Hoare annotation was computed. [2021-12-16 01:01:23,657 INFO L858 garLoopResultBuilder]: For program point L609-2(lines 605 627) no Hoare annotation was computed. [2021-12-16 01:01:23,657 INFO L854 garLoopResultBuilder]: At program point L667(lines 662 669) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0)) .cse3 .cse0 .cse1))) [2021-12-16 01:01:23,657 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 921) no Hoare annotation was computed. [2021-12-16 01:01:23,657 INFO L854 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |timeShift_processEnvironment_~tmp~5#1| 0) (= ~pumpRunning~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or .cse4 .cse3 .cse0 .cse1))) [2021-12-16 01:01:23,657 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 602 628) no Hoare annotation was computed. [2021-12-16 01:01:23,657 INFO L854 garLoopResultBuilder]: At program point L899(lines 892 901) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (and .cse6 (= ~pumpRunning~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (<= 1 ~switchedOnBeforeTS~0) .cse6 (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or .cse2 .cse5 .cse4 .cse3)))) [2021-12-16 01:01:23,657 INFO L854 garLoopResultBuilder]: At program point L767(lines 752 770) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (and (not (= 0 |timeShift_isHighWaterLevel_~tmp~7#1|)) .cse4 (= |timeShift_isHighWaterLevel_#res#1| 0) .cse5 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0)) (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and .cse4 .cse5) .cse3 .cse0 .cse1))) [2021-12-16 01:01:23,658 INFO L854 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse2) (or .cse5 .cse2 .cse3))) [2021-12-16 01:01:23,658 INFO L854 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: (let ((.cse7 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse2) (or .cse7 .cse5 .cse6) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or .cse5 .cse2 .cse3))) [2021-12-16 01:01:23,658 INFO L854 garLoopResultBuilder]: At program point L656-1(lines 637 661) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~systemActive~0 1))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and .cse5 .cse8 (= ~pumpRunning~0 0))) (.cse2 (not .cse8))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or (and .cse5 .cse1) .cse6 .cse7 .cse2 .cse3) (or .cse6 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse7 .cse2)))) [2021-12-16 01:01:23,658 INFO L858 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2021-12-16 01:01:23,658 INFO L858 garLoopResultBuilder]: For program point L871(lines 871 877) no Hoare annotation was computed. [2021-12-16 01:01:23,658 INFO L854 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse5 (and .cse9 .cse10)) (.cse7 (not (= ~systemActive~0 0))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= |timeShift_getWaterLevel_#res#1| 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse6 .cse2) (or .cse5 .cse6 .cse7) (or .cse8 .cse6 .cse3 .cse7) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or (and .cse8 .cse9 .cse1) .cse6 (and .cse8 .cse9 .cse10) .cse2 .cse3)))) [2021-12-16 01:01:23,658 INFO L854 garLoopResultBuilder]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and .cse4 .cse5) .cse3 .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) (and .cse4 (not (= 0 |timeShift_isHighWaterSensorDry_#res#1|)) .cse5) .cse3 .cse0))) [2021-12-16 01:01:23,658 INFO L858 garLoopResultBuilder]: For program point L971(line 971) no Hoare annotation was computed. [2021-12-16 01:01:23,658 INFO L858 garLoopResultBuilder]: For program point L616-1(lines 616 622) no Hoare annotation was computed. [2021-12-16 01:01:23,658 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 684) no Hoare annotation was computed. [2021-12-16 01:01:23,658 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2021-12-16 01:01:23,658 INFO L854 garLoopResultBuilder]: At program point L678-2(lines 671 687) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse3 (<= 1 ~pumpRunning~0)) (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse0 .cse1)) (or .cse4 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2))) [2021-12-16 01:01:23,658 INFO L854 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and .cse6 .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse1) (or .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse1 .cse5 .cse2) (or .cse3 .cse4 (not (= ~systemActive~0 0)))))) [2021-12-16 01:01:23,658 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2021-12-16 01:01:23,658 INFO L858 garLoopResultBuilder]: For program point L897-1(line 897) no Hoare annotation was computed. [2021-12-16 01:01:23,659 INFO L854 garLoopResultBuilder]: At program point L831(lines 826 834) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse3 .cse0 .cse1))) [2021-12-16 01:01:23,659 INFO L854 garLoopResultBuilder]: At program point L703(lines 696 706) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse3 .cse0 .cse1))) [2021-12-16 01:01:23,659 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-12-16 01:01:23,659 INFO L858 garLoopResultBuilder]: For program point L761(lines 761 765) no Hoare annotation was computed. [2021-12-16 01:01:23,659 INFO L854 garLoopResultBuilder]: At program point L794-2(lines 790 801) the Hoare annotation is: (let ((.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse2) (or .cse5 .cse2 .cse3))) [2021-12-16 01:01:23,659 INFO L858 garLoopResultBuilder]: For program point L761-2(lines 761 765) no Hoare annotation was computed. [2021-12-16 01:01:23,659 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-16 01:01:23,659 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 602 628) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and .cse6 .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse1) (or .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse1 .cse5 .cse2) (or .cse3 .cse4 (not (= ~systemActive~0 0)))))) [2021-12-16 01:01:23,659 INFO L858 garLoopResultBuilder]: For program point L910(lines 910 927) no Hoare annotation was computed. [2021-12-16 01:01:23,659 INFO L854 garLoopResultBuilder]: At program point L910-1(lines 902 930) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 1))) (let ((.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 0))) (.cse9 (= |timeShift_getWaterLevel_#res#1| 2)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (not .cse11))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or (and .cse5 .cse6) .cse7 .cse8) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or .cse7 (and .cse9 .cse10) .cse3 .cse8) (or .cse7 (and .cse9 .cse10 .cse5 .cse11 .cse6) (and .cse9 .cse10 .cse5 .cse1) .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse7 (and .cse5 .cse11 .cse6) .cse2)))) [2021-12-16 01:01:23,659 INFO L854 garLoopResultBuilder]: At program point L972(lines 967 974) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or .cse3 .cse0 .cse1))) [2021-12-16 01:01:23,659 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 602 628) no Hoare annotation was computed. [2021-12-16 01:01:23,659 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-12-16 01:01:23,659 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2021-12-16 01:01:23,660 INFO L861 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L861 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L861 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2021-12-16 01:01:23,660 INFO L861 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L854 garLoopResultBuilder]: At program point L783(lines 771 785) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L775(lines 775 781) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L775-2(lines 775 781) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L854 garLoopResultBuilder]: At program point L581(lines 532 582) the Hoare annotation is: false [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 01:01:23,660 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 01:01:23,661 INFO L858 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2021-12-16 01:01:23,661 INFO L854 garLoopResultBuilder]: At program point L569-2(lines 563 576) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~systemActive~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-16 01:01:23,661 INFO L854 garLoopResultBuilder]: At program point L693(lines 688 695) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (not (= 0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 2) .cse1 .cse2 .cse3))) [2021-12-16 01:01:23,661 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-12-16 01:01:23,661 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2021-12-16 01:01:23,661 INFO L854 garLoopResultBuilder]: At program point L962(lines 957 965) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:23,661 INFO L854 garLoopResultBuilder]: At program point L578(lines 533 580) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~systemActive~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-16 01:01:23,661 INFO L854 garLoopResultBuilder]: At program point L545(line 545) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~systemActive~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-16 01:01:23,661 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 01:01:23,661 INFO L854 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:23,661 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-12-16 01:01:23,661 INFO L854 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:23,661 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2021-12-16 01:01:23,661 INFO L861 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2021-12-16 01:01:23,661 INFO L861 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-12-16 01:01:23,661 INFO L854 garLoopResultBuilder]: At program point L889(lines 884 891) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:23,661 INFO L858 garLoopResultBuilder]: For program point L534(lines 533 580) no Hoare annotation was computed. [2021-12-16 01:01:23,662 INFO L854 garLoopResultBuilder]: At program point L947(lines 943 949) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:23,662 INFO L858 garLoopResultBuilder]: For program point L563(lines 563 576) no Hoare annotation was computed. [2021-12-16 01:01:23,662 INFO L854 garLoopResultBuilder]: At program point L555(line 555) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~systemActive~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-16 01:01:23,662 INFO L861 garLoopResultBuilder]: At program point L584(lines 523 588) the Hoare annotation is: true [2021-12-16 01:01:23,662 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 802 813) no Hoare annotation was computed. [2021-12-16 01:01:23,662 INFO L858 garLoopResultBuilder]: For program point L806-1(lines 802 813) no Hoare annotation was computed. [2021-12-16 01:01:23,662 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 802 813) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse4 .cse1 .cse2))) [2021-12-16 01:01:23,662 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 707 715) no Hoare annotation was computed. [2021-12-16 01:01:23,662 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 707 715) the Hoare annotation is: true [2021-12-16 01:01:23,662 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 707 715) no Hoare annotation was computed. [2021-12-16 01:01:23,664 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:23,665 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 01:01:23,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:01:23 BoogieIcfgContainer [2021-12-16 01:01:23,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 01:01:23,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 01:01:23,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 01:01:23,698 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 01:01:23,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:16" (3/4) ... [2021-12-16 01:01:23,701 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 01:01:23,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 01:01:23,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 01:01:23,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 01:01:23,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 01:01:23,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 01:01:23,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-16 01:01:23,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-16 01:01:23,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 01:01:23,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 01:01:23,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 01:01:23,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 01:01:23,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:23,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:23,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:23,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:23,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:23,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0) || (((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && 1 == tmp) && systemActive == 1)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 <= pumpRunning) && 1 == tmp) && systemActive == 1) [2021-12-16 01:01:23,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) [2021-12-16 01:01:23,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-16 01:01:23,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(pumpRunning) == 0) || (\result == 2 && tmp == 2)) || !(\old(waterLevel) == 2)) || !(systemActive == 0))) && ((((!(\old(pumpRunning) == 0) || ((((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && systemActive == 1) && pumpRunning == 0)) || (((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-16 01:01:23,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-16 01:01:23,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-16 01:01:23,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && pumpRunning == 0 [2021-12-16 01:01:23,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && !(0 == switchedOnBeforeTS)) && 1 == \result) && 1 == tmp) && pumpRunning == 0) || ((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 == tmp) && pumpRunning == 0) [2021-12-16 01:01:23,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((\result == 2 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((((\result == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || ((\result == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-16 01:01:23,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) == 1) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 01:01:23,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((((((!(0 == tmp) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) && tmp___0 == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-16 01:01:23,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-16 01:01:23,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-16 01:01:23,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:23,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-16 01:01:23,754 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 01:01:23,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 01:01:23,754 INFO L158 Benchmark]: Toolchain (without parser) took 7686.68ms. Allocated memory was 98.6MB in the beginning and 176.2MB in the end (delta: 77.6MB). Free memory was 60.2MB in the beginning and 67.0MB in the end (delta: -6.8MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2021-12-16 01:01:23,755 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:01:23,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.53ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 65.8MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 01:01:23,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.27ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 63.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:23,755 INFO L158 Benchmark]: Boogie Preprocessor took 45.87ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 61.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:23,756 INFO L158 Benchmark]: RCFGBuilder took 360.37ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 45.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 01:01:23,756 INFO L158 Benchmark]: TraceAbstraction took 6848.82ms. Allocated memory was 98.6MB in the beginning and 176.2MB in the end (delta: 77.6MB). Free memory was 44.8MB in the beginning and 74.3MB in the end (delta: -29.5MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2021-12-16 01:01:23,756 INFO L158 Benchmark]: Witness Printer took 55.74ms. Allocated memory is still 176.2MB. Free memory was 74.3MB in the beginning and 67.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 01:01:23,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.53ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 65.8MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.27ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 63.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.87ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 61.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.37ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 45.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6848.82ms. Allocated memory was 98.6MB in the beginning and 176.2MB in the end (delta: 77.6MB). Free memory was 44.8MB in the beginning and 74.3MB in the end (delta: -29.5MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Witness Printer took 55.74ms. Allocated memory is still 176.2MB. Free memory was 74.3MB in the beginning and 67.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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: 971]: 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 7 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1182 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1164 mSDsluCounter, 4356 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3111 mSDsCounter, 266 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1123 IncrementalHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 266 mSolverCounterUnsat, 1245 mSDtfsCounter, 1123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 291 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1748 PreInvPairs, 1859 NumberOfFragments, 2140 HoareAnnotationTreeSize, 1748 FomulaSimplifications, 709 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 41 FomulaSimplificationsInter, 6240 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 880 NumberOfCodeBlocks, 880 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 1663 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1092 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 441/464 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: 884]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0) || (((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && 1 == tmp) && systemActive == 1)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 <= pumpRunning) && 1 == tmp) && systemActive == 1) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) == 1) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && !(0 == switchedOnBeforeTS)) && 1 == \result) && 1 == tmp) && pumpRunning == 0) || ((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 == tmp) && pumpRunning == 0) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((\result == 2 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((((\result == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || ((\result == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(pumpRunning) == 0) || (\result == 2 && tmp == 2)) || !(\old(waterLevel) == 2)) || !(systemActive == 0))) && ((((!(\old(pumpRunning) == 0) || ((((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && systemActive == 1) && pumpRunning == 0)) || (((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((((((!(0 == tmp) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) && tmp___0 == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) RESULT: Ultimate proved your program to be correct! [2021-12-16 01:01:23,823 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