./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product38.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_spec3_product38.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 c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:59:48,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:59:48,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:59:48,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:59:48,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:59:48,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:59:48,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:59:48,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:59:48,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:59:48,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:59:48,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:59:48,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:59:48,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:59:48,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:59:48,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:59:48,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:59:48,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:59:48,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:59:48,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:59:48,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:59:48,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:59:48,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:59:48,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:59:48,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:59:48,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:59:48,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:59:48,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:59:48,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:59:48,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:59:48,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:59:48,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:59:48,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:59:48,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:59:48,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:59:48,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:59:48,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:59:48,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:59:48,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:59:48,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:59:48,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:59:48,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:59:48,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:59:48,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:59:48,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:59:48,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:59:48,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:59:48,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:59:48,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:59:48,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:59:48,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:59:48,377 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:59:48,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:59:48,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:59:48,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:59:48,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:59:48,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:59:48,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:59:48,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:59:48,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:59:48,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:59:48,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:59:48,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:59:48,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:59:48,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:59:48,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:59:48,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:59:48,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:48,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:59:48,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:59:48,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:59:48,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:59:48,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:59:48,381 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:59:48,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:59:48,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:59:48,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:59:48,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb [2021-12-16 00:59:48,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:59:48,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:59:48,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:59:48,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:59:48,622 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:59:48,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-12-16 00:59:48,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667943300/68e03d1b1f904dd0b7f4290188fdb900/FLAG3bba50b3d [2021-12-16 00:59:49,066 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:59:49,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-12-16 00:59:49,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667943300/68e03d1b1f904dd0b7f4290188fdb900/FLAG3bba50b3d [2021-12-16 00:59:49,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667943300/68e03d1b1f904dd0b7f4290188fdb900 [2021-12-16 00:59:49,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:59:49,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:59:49,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:49,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:59:49,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:59:49,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365154fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49, skipping insertion in model container [2021-12-16 00:59:49,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:59:49,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:59:49,725 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_spec3_product38.cil.c[15422,15435] [2021-12-16 00:59:49,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:49,762 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:59:49,822 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_spec3_product38.cil.c[15422,15435] [2021-12-16 00:59:49,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:49,848 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:59:49,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49 WrapperNode [2021-12-16 00:59:49,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:49,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:49,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:59:49,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:59:49,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,908 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 254 [2021-12-16 00:59:49,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:49,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:59:49,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:59:49,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:59:49,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:59:49,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:59:49,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:59:49,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:59:49,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (1/1) ... [2021-12-16 00:59:49,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:49,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:49,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 00:59:49,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 00:59:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:59:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:59:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:59:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:59:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:59:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:59:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:59:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:59:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:59:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:59:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:59:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:59:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:59:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:59:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:59:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:59:50,070 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:59:50,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:59:50,316 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:59:50,322 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:59:50,329 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:59:50,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:50 BoogieIcfgContainer [2021-12-16 00:59:50,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:59:50,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:59:50,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:59:50,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:59:50,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:59:49" (1/3) ... [2021-12-16 00:59:50,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21afe296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:50, skipping insertion in model container [2021-12-16 00:59:50,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:49" (2/3) ... [2021-12-16 00:59:50,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21afe296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:50, skipping insertion in model container [2021-12-16 00:59:50,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:50" (3/3) ... [2021-12-16 00:59:50,349 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2021-12-16 00:59:50,352 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:59:50,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:59:50,404 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:59:50,410 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 00:59:50,411 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:59:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:59:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:59:50,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:50,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:50,447 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:50,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:50,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1928340701, now seen corresponding path program 1 times [2021-12-16 00:59:50,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:50,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182337828] [2021-12-16 00:59:50,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:50,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:50,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:50,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:50,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182337828] [2021-12-16 00:59:50,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182337828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:50,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:50,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:59:50,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626852004] [2021-12-16 00:59:50,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:50,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:59:50,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:59:50,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:50,692 INFO L87 Difference]: Start difference. First operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:50,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:50,717 INFO L93 Difference]: Finished difference Result 168 states and 229 transitions. [2021-12-16 00:59:50,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:59:50,718 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-16 00:59:50,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:50,727 INFO L225 Difference]: With dead ends: 168 [2021-12-16 00:59:50,727 INFO L226 Difference]: Without dead ends: 79 [2021-12-16 00:59:50,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:50,736 INFO L933 BasicCegarLoop]: 111 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, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:50,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:50,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-16 00:59:50,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-16 00:59:50,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 00:59:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2021-12-16 00:59:50,779 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2021-12-16 00:59:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:50,780 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2021-12-16 00:59:50,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2021-12-16 00:59:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:59:50,786 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:50,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:50,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:59:50,787 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:50,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:50,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2041135719, now seen corresponding path program 1 times [2021-12-16 00:59:50,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:50,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862845917] [2021-12-16 00:59:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:50,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:59:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:50,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:50,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862845917] [2021-12-16 00:59:50,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862845917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:50,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:50,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:50,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885843889] [2021-12-16 00:59:50,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:50,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:50,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:50,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:50,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:50,891 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:50,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:50,903 INFO L93 Difference]: Finished difference Result 123 states and 159 transitions. [2021-12-16 00:59:50,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:50,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-16 00:59:50,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:50,905 INFO L225 Difference]: With dead ends: 123 [2021-12-16 00:59:50,906 INFO L226 Difference]: Without dead ends: 70 [2021-12-16 00:59:50,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:50,908 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 13 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:50,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-12-16 00:59:50,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-12-16 00:59:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 61 states have internal predecessors, (72), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 00:59:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2021-12-16 00:59:50,914 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 26 [2021-12-16 00:59:50,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:50,914 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2021-12-16 00:59:50,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2021-12-16 00:59:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:59:50,916 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:50,916 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:50,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:59:50,916 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:50,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:50,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1999159483, now seen corresponding path program 1 times [2021-12-16 00:59:50,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:50,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401829198] [2021-12-16 00:59:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:50,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:51,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:51,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401829198] [2021-12-16 00:59:51,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401829198] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:51,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:51,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:51,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379105531] [2021-12-16 00:59:51,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:51,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:51,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:51,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:51,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:51,009 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:51,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:51,100 INFO L93 Difference]: Finished difference Result 133 states and 174 transitions. [2021-12-16 00:59:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:59:51,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-16 00:59:51,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:51,102 INFO L225 Difference]: With dead ends: 133 [2021-12-16 00:59:51,102 INFO L226 Difference]: Without dead ends: 70 [2021-12-16 00:59:51,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:59:51,103 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 115 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:51,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 185 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:51,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-12-16 00:59:51,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-12-16 00:59:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 00:59:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2021-12-16 00:59:51,112 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 31 [2021-12-16 00:59:51,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:51,112 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2021-12-16 00:59:51,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2021-12-16 00:59:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-16 00:59:51,113 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:51,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:51,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:51,114 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:51,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:51,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1128329484, now seen corresponding path program 1 times [2021-12-16 00:59:51,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:51,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667555736] [2021-12-16 00:59:51,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:51,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 00:59:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:51,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:51,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667555736] [2021-12-16 00:59:51,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667555736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:51,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:51,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:59:51,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044773751] [2021-12-16 00:59:51,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:51,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:59:51,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:51,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:59:51,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:59:51,189 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 00:59:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:51,309 INFO L93 Difference]: Finished difference Result 211 states and 269 transitions. [2021-12-16 00:59:51,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:51,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 41 [2021-12-16 00:59:51,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:51,311 INFO L225 Difference]: With dead ends: 211 [2021-12-16 00:59:51,311 INFO L226 Difference]: Without dead ends: 148 [2021-12-16 00:59:51,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:59:51,312 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 167 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:51,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 309 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:51,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-12-16 00:59:51,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2021-12-16 00:59:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 117 states have internal predecessors, (140), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2021-12-16 00:59:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 175 transitions. [2021-12-16 00:59:51,325 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 175 transitions. Word has length 41 [2021-12-16 00:59:51,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:51,326 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 175 transitions. [2021-12-16 00:59:51,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 00:59:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 175 transitions. [2021-12-16 00:59:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:59:51,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:51,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:51,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:51,327 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:51,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:51,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1086887613, now seen corresponding path program 1 times [2021-12-16 00:59:51,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:51,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617291995] [2021-12-16 00:59:51,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:51,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:59:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:51,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:51,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617291995] [2021-12-16 00:59:51,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617291995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:51,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:51,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:51,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147397447] [2021-12-16 00:59:51,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:51,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:51,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:51,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:51,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:51,375 INFO L87 Difference]: Start difference. First operand 142 states and 175 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 00:59:51,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:51,469 INFO L93 Difference]: Finished difference Result 285 states and 355 transitions. [2021-12-16 00:59:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:51,470 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-12-16 00:59:51,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:51,471 INFO L225 Difference]: With dead ends: 285 [2021-12-16 00:59:51,471 INFO L226 Difference]: Without dead ends: 150 [2021-12-16 00:59:51,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-16 00:59:51,473 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 59 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:51,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 378 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:51,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-12-16 00:59:51,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 145. [2021-12-16 00:59:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 120 states have internal predecessors, (143), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2021-12-16 00:59:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 178 transitions. [2021-12-16 00:59:51,483 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 178 transitions. Word has length 45 [2021-12-16 00:59:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:51,484 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 178 transitions. [2021-12-16 00:59:51,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 00:59:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2021-12-16 00:59:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:59:51,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:51,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:51,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:51,485 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:51,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:51,486 INFO L85 PathProgramCache]: Analyzing trace with hash 269239163, now seen corresponding path program 1 times [2021-12-16 00:59:51,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:51,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860383276] [2021-12-16 00:59:51,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:51,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:59:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:51,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:51,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860383276] [2021-12-16 00:59:51,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860383276] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:51,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:51,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:51,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238621979] [2021-12-16 00:59:51,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:51,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:51,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:51,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:51,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:51,544 INFO L87 Difference]: Start difference. First operand 145 states and 178 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 00:59:51,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:51,650 INFO L93 Difference]: Finished difference Result 296 states and 370 transitions. [2021-12-16 00:59:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:59:51,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-12-16 00:59:51,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:51,652 INFO L225 Difference]: With dead ends: 296 [2021-12-16 00:59:51,652 INFO L226 Difference]: Without dead ends: 158 [2021-12-16 00:59:51,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-16 00:59:51,654 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 102 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:51,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 416 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-12-16 00:59:51,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 147. [2021-12-16 00:59:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 115 states have (on average 1.2608695652173914) internal successors, (145), 122 states have internal predecessors, (145), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2021-12-16 00:59:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2021-12-16 00:59:51,680 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 180 transitions. Word has length 45 [2021-12-16 00:59:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:51,681 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 180 transitions. [2021-12-16 00:59:51,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 00:59:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 180 transitions. [2021-12-16 00:59:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:59:51,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:51,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:51,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 00:59:51,682 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:51,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:51,683 INFO L85 PathProgramCache]: Analyzing trace with hash 488093881, now seen corresponding path program 1 times [2021-12-16 00:59:51,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:51,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129655068] [2021-12-16 00:59:51,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:51,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:59:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:51,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:51,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129655068] [2021-12-16 00:59:51,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129655068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:51,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:51,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:59:51,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079250295] [2021-12-16 00:59:51,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:51,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:59:51,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:51,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:59:51,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:59:51,727 INFO L87 Difference]: Start difference. First operand 147 states and 180 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 00:59:51,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:51,869 INFO L93 Difference]: Finished difference Result 414 states and 528 transitions. [2021-12-16 00:59:51,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:51,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-12-16 00:59:51,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:51,871 INFO L225 Difference]: With dead ends: 414 [2021-12-16 00:59:51,871 INFO L226 Difference]: Without dead ends: 274 [2021-12-16 00:59:51,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:51,873 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 201 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:51,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 311 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:51,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-12-16 00:59:51,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 266. [2021-12-16 00:59:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 206 states have (on average 1.2524271844660195) internal successors, (258), 217 states have internal predecessors, (258), 30 states have call successors, (30), 28 states have call predecessors, (30), 29 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2021-12-16 00:59:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 333 transitions. [2021-12-16 00:59:51,888 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 333 transitions. Word has length 45 [2021-12-16 00:59:51,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:51,888 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 333 transitions. [2021-12-16 00:59:51,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 00:59:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 333 transitions. [2021-12-16 00:59:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-16 00:59:51,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:51,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:51,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 00:59:51,890 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:51,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:51,890 INFO L85 PathProgramCache]: Analyzing trace with hash -2000597692, now seen corresponding path program 1 times [2021-12-16 00:59:51,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:51,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341684988] [2021-12-16 00:59:51,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:51,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:59:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 00:59:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:51,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:51,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341684988] [2021-12-16 00:59:51,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341684988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:51,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:51,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:51,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560079323] [2021-12-16 00:59:51,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:51,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:51,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:51,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:51,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:51,938 INFO L87 Difference]: Start difference. First operand 266 states and 333 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 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 00:59:52,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:52,050 INFO L93 Difference]: Finished difference Result 528 states and 661 transitions. [2021-12-16 00:59:52,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:52,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 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 47 [2021-12-16 00:59:52,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:52,052 INFO L225 Difference]: With dead ends: 528 [2021-12-16 00:59:52,052 INFO L226 Difference]: Without dead ends: 269 [2021-12-16 00:59:52,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:52,053 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 108 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:52,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 346 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:52,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-12-16 00:59:52,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 264. [2021-12-16 00:59:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 204 states have (on average 1.2450980392156863) internal successors, (254), 215 states have internal predecessors, (254), 30 states have call successors, (30), 28 states have call predecessors, (30), 29 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2021-12-16 00:59:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 329 transitions. [2021-12-16 00:59:52,066 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 329 transitions. Word has length 47 [2021-12-16 00:59:52,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:52,066 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 329 transitions. [2021-12-16 00:59:52,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 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 00:59:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 329 transitions. [2021-12-16 00:59:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-16 00:59:52,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:52,067 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:52,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 00:59:52,084 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:52,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:52,085 INFO L85 PathProgramCache]: Analyzing trace with hash 568530835, now seen corresponding path program 1 times [2021-12-16 00:59:52,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:52,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019777218] [2021-12-16 00:59:52,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:52,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:59:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 00:59:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:52,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:52,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019777218] [2021-12-16 00:59:52,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019777218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:52,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:52,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 00:59:52,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718940783] [2021-12-16 00:59:52,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:52,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 00:59:52,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:52,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 00:59:52,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 00:59:52,157 INFO L87 Difference]: Start difference. First operand 264 states and 329 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:52,520 INFO L93 Difference]: Finished difference Result 534 states and 669 transitions. [2021-12-16 00:59:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-16 00:59:52,521 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-16 00:59:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:52,523 INFO L225 Difference]: With dead ends: 534 [2021-12-16 00:59:52,523 INFO L226 Difference]: Without dead ends: 324 [2021-12-16 00:59:52,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2021-12-16 00:59:52,524 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 289 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:52,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 694 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-12-16 00:59:52,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 299. [2021-12-16 00:59:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 232 states have (on average 1.2241379310344827) internal successors, (284), 246 states have internal predecessors, (284), 34 states have call successors, (34), 28 states have call predecessors, (34), 32 states have return successors, (46), 34 states have call predecessors, (46), 34 states have call successors, (46) [2021-12-16 00:59:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 364 transitions. [2021-12-16 00:59:52,536 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 364 transitions. Word has length 49 [2021-12-16 00:59:52,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:52,536 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 364 transitions. [2021-12-16 00:59:52,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 364 transitions. [2021-12-16 00:59:52,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-16 00:59:52,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:52,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:52,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 00:59:52,538 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:52,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:52,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2144109732, now seen corresponding path program 1 times [2021-12-16 00:59:52,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:52,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554168764] [2021-12-16 00:59:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:52,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:59:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:59:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 00:59:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:52,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:52,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554168764] [2021-12-16 00:59:52,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554168764] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:52,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:52,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:52,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601763855] [2021-12-16 00:59:52,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:52,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:52,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:52,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:52,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:52,598 INFO L87 Difference]: Start difference. First operand 299 states and 364 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 00:59:52,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:52,712 INFO L93 Difference]: Finished difference Result 543 states and 669 transitions. [2021-12-16 00:59:52,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:59:52,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-16 00:59:52,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:52,718 INFO L225 Difference]: With dead ends: 543 [2021-12-16 00:59:52,718 INFO L226 Difference]: Without dead ends: 300 [2021-12-16 00:59:52,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 00:59:52,719 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 132 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:52,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 307 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-12-16 00:59:52,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 296. [2021-12-16 00:59:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 229 states have (on average 1.222707423580786) internal successors, (280), 243 states have internal predecessors, (280), 34 states have call successors, (34), 28 states have call predecessors, (34), 32 states have return successors, (46), 34 states have call predecessors, (46), 34 states have call successors, (46) [2021-12-16 00:59:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 360 transitions. [2021-12-16 00:59:52,748 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 360 transitions. Word has length 51 [2021-12-16 00:59:52,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:52,754 INFO L470 AbstractCegarLoop]: Abstraction has 296 states and 360 transitions. [2021-12-16 00:59:52,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 00:59:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 360 transitions. [2021-12-16 00:59:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-16 00:59:52,754 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:52,755 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:52,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 00:59:52,755 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:52,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:52,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1925255014, now seen corresponding path program 1 times [2021-12-16 00:59:52,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:52,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578903549] [2021-12-16 00:59:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:52,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:59:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:59:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 00:59:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:52,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:52,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578903549] [2021-12-16 00:59:52,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578903549] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:52,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:52,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:52,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440998698] [2021-12-16 00:59:52,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:52,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:52,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:52,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:52,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:52,835 INFO L87 Difference]: Start difference. First operand 296 states and 360 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 00:59:52,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:52,967 INFO L93 Difference]: Finished difference Result 514 states and 631 transitions. [2021-12-16 00:59:52,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 00:59:52,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-16 00:59:52,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:52,969 INFO L225 Difference]: With dead ends: 514 [2021-12-16 00:59:52,969 INFO L226 Difference]: Without dead ends: 274 [2021-12-16 00:59:52,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-16 00:59:52,970 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 122 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:52,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 381 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-12-16 00:59:52,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 270. [2021-12-16 00:59:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 210 states have (on average 1.2190476190476192) internal successors, (256), 223 states have internal predecessors, (256), 31 states have call successors, (31), 25 states have call predecessors, (31), 28 states have return successors, (39), 30 states have call predecessors, (39), 31 states have call successors, (39) [2021-12-16 00:59:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 326 transitions. [2021-12-16 00:59:52,981 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 326 transitions. Word has length 51 [2021-12-16 00:59:52,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:52,981 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 326 transitions. [2021-12-16 00:59:52,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 00:59:52,981 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 326 transitions. [2021-12-16 00:59:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-16 00:59:52,982 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:52,982 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1] [2021-12-16 00:59:52,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 00:59:52,983 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:52,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:52,983 INFO L85 PathProgramCache]: Analyzing trace with hash 896506289, now seen corresponding path program 1 times [2021-12-16 00:59:52,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:52,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290717216] [2021-12-16 00:59:52,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:52,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 00:59:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 00:59:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 00:59:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-16 00:59:53,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:53,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290717216] [2021-12-16 00:59:53,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290717216] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:59:53,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283110353] [2021-12-16 00:59:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:53,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:53,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:53,068 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 00:59:53,073 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 00:59:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-16 00:59:53,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:59:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-16 00:59:53,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 00:59:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-16 00:59:53,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283110353] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 00:59:53,708 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 00:59:53,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 19 [2021-12-16 00:59:53,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420190373] [2021-12-16 00:59:53,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 00:59:53,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-16 00:59:53,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:53,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-16 00:59:53,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-12-16 00:59:53,710 INFO L87 Difference]: Start difference. First operand 270 states and 326 transitions. Second operand has 19 states, 19 states have (on average 6.7368421052631575) internal successors, (128), 14 states have internal predecessors, (128), 7 states have call successors, (20), 10 states have call predecessors, (20), 8 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2021-12-16 00:59:54,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:54,783 INFO L93 Difference]: Finished difference Result 814 states and 1054 transitions. [2021-12-16 00:59:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-12-16 00:59:54,783 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.7368421052631575) internal successors, (128), 14 states have internal predecessors, (128), 7 states have call successors, (20), 10 states have call predecessors, (20), 8 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) Word has length 83 [2021-12-16 00:59:54,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:54,784 INFO L225 Difference]: With dead ends: 814 [2021-12-16 00:59:54,784 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:54,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1195 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=927, Invalid=3765, Unknown=0, NotChecked=0, Total=4692 [2021-12-16 00:59:54,787 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 814 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:54,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [814 Valid, 846 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-16 00:59:54,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 00:59:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:54,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-12-16 00:59:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:54,788 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:54,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.7368421052631575) internal successors, (128), 14 states have internal predecessors, (128), 7 states have call successors, (20), 10 states have call predecessors, (20), 8 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2021-12-16 00:59:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:54,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:54,790 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:54,809 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 00:59:55,003 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,SelfDestructingSolverStorable11 [2021-12-16 00:59:55,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:59:58,428 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2021-12-16 00:59:58,429 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 853 864) the Hoare annotation is: (let ((.cse6 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 |old(~methaneLevelCritical~0)|)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse4) (or .cse6 .cse1 .cse3 .cse2 .cse4) (or .cse5 .cse0 .cse7 .cse1 .cse4))) [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point L857-1(lines 853 864) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 853 864) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 865 873) the Hoare annotation is: true [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 865 873) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 865 873) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L861 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: true [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point L737-1(line 737) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 731 760) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 731 760) the Hoare annotation is: true [2021-12-16 00:59:58,429 INFO L861 garLoopResultBuilder]: At program point L756(lines 731 760) the Hoare annotation is: true [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L861 garLoopResultBuilder]: At program point L745-1(lines 745 749) the Hoare annotation is: true [2021-12-16 00:59:58,429 INFO L858 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2021-12-16 00:59:58,429 INFO L861 garLoopResultBuilder]: At program point L741-2(lines 741 755) the Hoare annotation is: true [2021-12-16 00:59:58,430 INFO L854 garLoopResultBuilder]: At program point L287(lines 282 290) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse1 (not (<= |old(~waterLevel~0)| 1))) (or .cse0 .cse2 .cse1 (= 0 ~methaneLevelCritical~0)) (or .cse0 .cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0) (not (= 0 |timeShift_isPumpRunning_#res#1|)) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|)) .cse1))) [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L725(line 725) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 175 194) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 246) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L854 garLoopResultBuilder]: At program point L936-1(lines 921 953) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1| 1) (<= |timeShift_getWaterLevel_#res#1| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 1))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5 .cse6) (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse7 .cse1 .cse2 .cse8) (and .cse9 .cse7 .cse10 .cse8) .cse4 .cse6)) (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse11 .cse9 .cse8 (= ~pumpRunning~0 0)) (and .cse11 .cse9 .cse10 .cse8) .cse6 .cse12)) (or .cse0 .cse3 .cse5 .cse6 .cse12))) [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L854 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3) .cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 (and .cse2 .cse5 .cse3) (not (= |old(~pumpRunning~0)| 0)) .cse4)))) [2021-12-16 00:59:58,430 INFO L854 garLoopResultBuilder]: At program point L833-2(lines 829 840) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L928-1(line 928) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L854 garLoopResultBuilder]: At program point L726(lines 721 728) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2021-12-16 00:59:58,430 INFO L854 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2021-12-16 00:59:58,430 INFO L858 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-12-16 00:59:58,430 INFO L854 garLoopResultBuilder]: At program point L268(lines 263 270) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2021-12-16 00:59:58,430 INFO L854 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point L930(lines 930 950) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L854 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse2 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse2 .cse1 (not (<= |old(~waterLevel~0)| 1))))) [2021-12-16 00:59:58,431 INFO L854 garLoopResultBuilder]: At program point L249-1(lines 230 254) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3) .cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 (and .cse2 .cse5 .cse3) (not (= |old(~pumpRunning~0)| 0)) .cse4)))) [2021-12-16 00:59:58,431 INFO L854 garLoopResultBuilder]: At program point L278(lines 271 281) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse4) .cse2) (or (and .cse1 .cse4) .cse3 .cse2 (not (<= |old(~waterLevel~0)| 1))))) [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L854 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse1 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse2 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) .cse4 (not (<= |old(~waterLevel~0)| 1))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse5 .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) .cse4) (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= ~methaneLevelCritical~0 0))) (or .cse5 (and .cse6 .cse7 .cse1 .cse8 .cse2 .cse3) (and .cse6 .cse7 .cse1 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) .cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (or .cse5 .cse0 .cse4 (= 0 ~methaneLevelCritical~0)) (or (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1) .cse0 .cse4))) [2021-12-16 00:59:58,431 INFO L861 garLoopResultBuilder]: At program point L799(lines 792 801) the Hoare annotation is: true [2021-12-16 00:59:58,431 INFO L854 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 819) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point L812-2(lines 812 819) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:59:58,431 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2021-12-16 00:59:58,432 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 123 129) no Hoare annotation was computed. [2021-12-16 00:59:58,432 INFO L861 garLoopResultBuilder]: At program point L821(lines 802 824) the Hoare annotation is: true [2021-12-16 00:59:58,432 INFO L854 garLoopResultBuilder]: At program point L148(lines 103 150) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) .cse2 .cse3) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:58,432 INFO L854 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) .cse2 .cse3) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:58,432 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:59:58,432 INFO L854 garLoopResultBuilder]: At program point L351(lines 346 353) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (<= 1 ~pumpRunning~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:58,432 INFO L854 garLoopResultBuilder]: At program point L789(lines 785 791) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:58,433 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:58,433 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-12-16 00:59:58,433 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:58,433 INFO L854 garLoopResultBuilder]: At program point L141-2(lines 133 146) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (<= 1 ~pumpRunning~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:58,433 INFO L858 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2021-12-16 00:59:58,433 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 146) no Hoare annotation was computed. [2021-12-16 00:59:58,434 INFO L854 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (<= 1 ~pumpRunning~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:58,434 INFO L861 garLoopResultBuilder]: At program point L154(lines 93 158) the Hoare annotation is: true [2021-12-16 00:59:58,434 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-12-16 00:59:58,434 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2021-12-16 00:59:58,434 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-12-16 00:59:58,434 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:58,434 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) .cse0 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:58,434 INFO L854 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2021-12-16 00:59:58,434 INFO L858 garLoopResultBuilder]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2021-12-16 00:59:58,435 INFO L854 garLoopResultBuilder]: At program point L915(lines 906 919) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or (and (not .cse0) .cse1) .cse2 .cse3 .cse4) (or (not (<= ~waterLevel~0 2)) .cse2 (and .cse1 .cse0) .cse4 (not .cse3)) (or (not (<= ~waterLevel~0 1)) .cse4 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-16 00:59:58,435 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 204 228) no Hoare annotation was computed. [2021-12-16 00:59:58,435 INFO L854 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) .cse1) (or (not .cse0) .cse1 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-16 00:59:58,435 INFO L854 garLoopResultBuilder]: At program point L342(lines 327 345) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 1))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (not (= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse1) .cse2 .cse3) (or (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse4 (not (<= ~waterLevel~0 2)) .cse2 .cse3) (or .cse0 .cse3 (not (<= 1 |old(~pumpRunning~0)|)))))) [2021-12-16 00:59:58,435 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-12-16 00:59:58,435 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-12-16 00:59:58,435 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-12-16 00:59:58,435 INFO L858 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2021-12-16 00:59:58,435 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-12-16 00:59:58,436 INFO L854 garLoopResultBuilder]: At program point L260(lines 255 262) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 ~pumpRunning~0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse1) (or .cse2 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse1))) [2021-12-16 00:59:58,436 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 841 852) no Hoare annotation was computed. [2021-12-16 00:59:58,436 INFO L858 garLoopResultBuilder]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2021-12-16 00:59:58,436 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 841 852) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 1)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 2)) (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse2 .cse1 .cse3) (or .cse0 .cse2 .cse1 .cse3))) [2021-12-16 00:59:58,439 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:58,439 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:59:58,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:59:58 BoogieIcfgContainer [2021-12-16 00:59:58,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:59:58,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:59:58,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:59:58,466 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:59:58,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:50" (3/4) ... [2021-12-16 00:59:58,468 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:59:58,472 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:59:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:59:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:59:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:59:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:59:58,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:58,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:59:58,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-16 00:59:58,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:59:58,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:59:58,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:59:58,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:59:58,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:58,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:58,508 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:58,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:58,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0) [2021-12-16 00:59:58,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(waterLevel) <= 2) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 00:59:58,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(waterLevel) <= 2) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || ((waterLevel <= 1 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 00:59:58,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0) [2021-12-16 00:59:58,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) <= 2) || (1 <= pumpRunning && 2 <= waterLevel)) || (tmp___0 <= 1 && \result <= 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((((!(\old(waterLevel) <= 2) || (((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methaneLevelCritical == tmp)) || (((waterLevel <= 1 && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == tmp)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || (((waterLevel <= \old(waterLevel) && waterLevel <= 1) && methaneLevelCritical == tmp) && pumpRunning == 0)) || (((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == tmp)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:58,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(waterLevel) <= 2) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 00:59:58,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (((\result <= 1 && waterLevel == \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == tmp)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || (((((waterLevel <= \old(waterLevel) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) && methaneLevelCritical == tmp) && pumpRunning == 0)) || (((((waterLevel <= \old(waterLevel) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == tmp)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || 0 == methaneLevelCritical)) && (((!(\old(waterLevel) == 1) || \result == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 00:59:58,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(waterLevel) <= 2) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 00:59:58,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\result == 0) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(systemActive == 1)) && ((((!(waterLevel <= 2) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result == 0)) || !(systemActive == 1)) || !(2 <= waterLevel))) && ((!(waterLevel <= 1) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:58,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(waterLevel) <= 2) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) <= 1))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || 0 == methaneLevelCritical)) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || (((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && !(0 == \result)) && methaneLevelCritical == tmp)) || !(systemActive == 1)) [2021-12-16 00:59:58,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel <= 1) || (((!(0 == tmp) && \result == 0) && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((((((1 <= tmp___0 && 1 <= \result) && tmp == 0) && pumpRunning == 0) && \result == 0) || waterLevel <= 1) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(waterLevel <= 1) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:58,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel <= 2) || !(\old(pumpRunning) == 0)) || (((((1 <= tmp___0 && 1 <= \result) && 1 <= pumpRunning) && tmp == 0) && 1 <= tmp) && \result == 0)) || !(systemActive == 1)) && ((!(waterLevel <= 1) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(waterLevel <= 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 00:59:58,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(waterLevel) <= 2) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 00:59:58,539 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:59:58,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:59:58,540 INFO L158 Benchmark]: Toolchain (without parser) took 9128.96ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 97.7MB in the beginning and 112.1MB in the end (delta: -14.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2021-12-16 00:59:58,540 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:59:58,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.74ms. Allocated memory is still 127.9MB. Free memory was 97.3MB in the beginning and 95.9MB in the end (delta: 1.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-12-16 00:59:58,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.40ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 93.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:58,541 INFO L158 Benchmark]: Boogie Preprocessor took 27.35ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:58,541 INFO L158 Benchmark]: RCFGBuilder took 394.38ms. Allocated memory is still 127.9MB. Free memory was 92.2MB in the beginning and 76.4MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-16 00:59:58,541 INFO L158 Benchmark]: TraceAbstraction took 8132.46ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 75.9MB in the beginning and 118.4MB in the end (delta: -42.5MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:58,542 INFO L158 Benchmark]: Witness Printer took 74.08ms. Allocated memory is still 186.6MB. Free memory was 118.4MB in the beginning and 112.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:59:58,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.74ms. Allocated memory is still 127.9MB. Free memory was 97.3MB in the beginning and 95.9MB in the end (delta: 1.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.40ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 93.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.35ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.38ms. Allocated memory is still 127.9MB. Free memory was 92.2MB in the beginning and 76.4MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8132.46ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 75.9MB in the beginning and 118.4MB in the end (delta: -42.5MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * Witness Printer took 74.08ms. Allocated memory is still 186.6MB. Free memory was 118.4MB in the beginning and 112.1MB in the end (delta: 6.3MB). 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: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2153 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2122 mSDsluCounter, 4445 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3169 mSDsCounter, 757 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2503 IncrementalHoareTripleChecker+Invalid, 3260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 757 mSolverCounterUnsat, 1276 mSDtfsCounter, 2503 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 254 SyntacticMatches, 2 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1285 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=9, InterpolantAutomatonStates: 135, 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, 12 MinimizatonAttempts, 68 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1136 PreInvPairs, 1387 NumberOfFragments, 1514 HoareAnnotationTreeSize, 1136 FomulaSimplifications, 120 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 41 FomulaSimplificationsInter, 12951 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 622 NumberOfCodeBlocks, 622 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 691 ConstructedInterpolants, 0 QuantifiedInterpolants, 1363 SizeOfPredicates, 4 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 61/81 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: 346]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: ((((!(waterLevel <= 2) || !(\old(pumpRunning) == 0)) || (((((1 <= tmp___0 && 1 <= \result) && 1 <= pumpRunning) && tmp == 0) && 1 <= tmp) && \result == 0)) || !(systemActive == 1)) && ((!(waterLevel <= 1) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(waterLevel <= 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 2) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 2) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 2) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 2) || (1 <= pumpRunning && 2 <= waterLevel)) || (tmp___0 <= 1 && \result <= 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((((!(\old(waterLevel) <= 2) || (((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methaneLevelCritical == tmp)) || (((waterLevel <= 1 && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == tmp)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || (((waterLevel <= \old(waterLevel) && waterLevel <= 1) && methaneLevelCritical == tmp) && pumpRunning == 0)) || (((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == tmp)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (((\result <= 1 && waterLevel == \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == tmp)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || (((((waterLevel <= \old(waterLevel) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) && methaneLevelCritical == tmp) && pumpRunning == 0)) || (((((waterLevel <= \old(waterLevel) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == tmp)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || 0 == methaneLevelCritical)) && (((!(\old(waterLevel) == 1) || \result == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 2) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) <= 1))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || 0 == methaneLevelCritical)) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || (((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && !(0 == \result)) && methaneLevelCritical == tmp)) || !(systemActive == 1)) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((!(waterLevel <= 1) || (((!(0 == tmp) && \result == 0) && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((((((1 <= tmp___0 && 1 <= \result) && tmp == 0) && pumpRunning == 0) && \result == 0) || waterLevel <= 1) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(waterLevel <= 1) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 2) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 2) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || ((waterLevel <= 1 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((!(\result == 0) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(systemActive == 1)) && ((((!(waterLevel <= 2) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result == 0)) || !(systemActive == 1)) || !(2 <= waterLevel))) && ((!(waterLevel <= 1) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:59:58,614 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