./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product52.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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 01:01:26,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 01:01:26,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 01:01:26,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 01:01:26,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 01:01:26,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 01:01:26,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 01:01:26,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 01:01:26,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 01:01:26,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 01:01:26,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 01:01:26,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 01:01:26,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 01:01:26,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 01:01:26,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 01:01:26,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 01:01:26,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 01:01:26,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 01:01:26,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 01:01:26,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 01:01:26,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 01:01:26,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 01:01:26,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 01:01:26,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 01:01:26,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 01:01:26,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 01:01:26,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 01:01:26,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 01:01:26,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 01:01:26,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 01:01:26,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 01:01:26,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 01:01:26,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 01:01:26,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 01:01:26,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 01:01:26,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 01:01:26,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 01:01:26,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 01:01:26,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 01:01:26,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 01:01:26,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 01:01:26,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 01:01:26,683 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 01:01:26,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 01:01:26,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 01:01:26,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 01:01:26,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 01:01:26,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 01:01:26,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 01:01:26,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 01:01:26,686 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 01:01:26,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 01:01:26,688 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 01:01:26,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 01:01:26,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 01:01:26,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 01:01:26,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 01:01:26,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 01:01:26,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 01:01:26,689 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 01:01:26,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 01:01:26,689 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 01:01:26,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 01:01:26,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 01:01:26,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 01:01:26,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 01:01:26,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:26,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 01:01:26,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 01:01:26,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 01:01:26,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 01:01:26,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 01:01:26,692 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 01:01:26,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 01:01:26,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 01:01:26,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 01:01:26,693 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2021-12-16 01:01:26,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 01:01:27,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 01:01:27,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 01:01:27,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 01:01:27,021 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 01:01:27,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-12-16 01:01:27,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9def41d4c/81bdd635369a4d148e19d65000c91e6e/FLAGa8449d53f [2021-12-16 01:01:27,572 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 01:01:27,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-12-16 01:01:27,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9def41d4c/81bdd635369a4d148e19d65000c91e6e/FLAGa8449d53f [2021-12-16 01:01:28,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9def41d4c/81bdd635369a4d148e19d65000c91e6e [2021-12-16 01:01:28,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 01:01:28,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 01:01:28,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:28,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 01:01:28,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 01:01:28,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6beeaf05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28, skipping insertion in model container [2021-12-16 01:01:28,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 01:01:28,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 01:01:28,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2021-12-16 01:01:28,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:28,534 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 01:01:28,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2021-12-16 01:01:28,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:28,636 INFO L208 MainTranslator]: Completed translation [2021-12-16 01:01:28,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28 WrapperNode [2021-12-16 01:01:28,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:28,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:28,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 01:01:28,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 01:01:28,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,709 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 268 [2021-12-16 01:01:28,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:28,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 01:01:28,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 01:01:28,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 01:01:28,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 01:01:28,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 01:01:28,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 01:01:28,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 01:01:28,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (1/1) ... [2021-12-16 01:01:28,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:28,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:28,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 01:01:28,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 01:01:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 01:01:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 01:01:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 01:01:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 01:01:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 01:01:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 01:01:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 01:01:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 01:01:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 01:01:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-16 01:01:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-16 01:01:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 01:01:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 01:01:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 01:01:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 01:01:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 01:01:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 01:01:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 01:01:28,915 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 01:01:28,917 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 01:01:29,200 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 01:01:29,206 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 01:01:29,207 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 01:01:29,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:29 BoogieIcfgContainer [2021-12-16 01:01:29,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 01:01:29,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 01:01:29,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 01:01:29,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 01:01:29,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:01:28" (1/3) ... [2021-12-16 01:01:29,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e45998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:29, skipping insertion in model container [2021-12-16 01:01:29,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:28" (2/3) ... [2021-12-16 01:01:29,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e45998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:29, skipping insertion in model container [2021-12-16 01:01:29,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:29" (3/3) ... [2021-12-16 01:01:29,220 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2021-12-16 01:01:29,225 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 01:01:29,226 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 01:01:29,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 01:01:29,283 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 01:01:29,284 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 01:01:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 01:01:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-16 01:01:29,318 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:29,318 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:29,319 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:29,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:29,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1209028345, now seen corresponding path program 1 times [2021-12-16 01:01:29,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:29,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297298338] [2021-12-16 01:01:29,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:29,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 01:01:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 01:01:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:29,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:29,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297298338] [2021-12-16 01:01:29,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297298338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:29,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:29,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 01:01:29,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120537742] [2021-12-16 01:01:29,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:29,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 01:01:29,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:29,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 01:01:29,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:29,660 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:29,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:29,713 INFO L93 Difference]: Finished difference Result 191 states and 258 transitions. [2021-12-16 01:01:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 01:01:29,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-16 01:01:29,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:29,725 INFO L225 Difference]: With dead ends: 191 [2021-12-16 01:01:29,725 INFO L226 Difference]: Without dead ends: 91 [2021-12-16 01:01:29,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:29,733 INFO L933 BasicCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:29,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:29,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-12-16 01:01:29,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-12-16 01:01:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 77 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-16 01:01:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2021-12-16 01:01:29,788 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 32 [2021-12-16 01:01:29,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:29,789 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2021-12-16 01:01:29,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2021-12-16 01:01:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-16 01:01:29,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:29,798 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:29,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 01:01:29,800 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:29,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:29,800 INFO L85 PathProgramCache]: Analyzing trace with hash 819571873, now seen corresponding path program 1 times [2021-12-16 01:01:29,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:29,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959816085] [2021-12-16 01:01:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:29,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 01:01:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:29,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 01:01:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:29,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:29,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959816085] [2021-12-16 01:01:29,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959816085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:29,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:29,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:29,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436587191] [2021-12-16 01:01:29,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:29,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:29,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:29,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:29,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:29,917 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:29,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:29,942 INFO L93 Difference]: Finished difference Result 142 states and 182 transitions. [2021-12-16 01:01:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:29,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-16 01:01:29,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:29,945 INFO L225 Difference]: With dead ends: 142 [2021-12-16 01:01:29,945 INFO L226 Difference]: Without dead ends: 82 [2021-12-16 01:01:29,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:29,954 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:29,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 186 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:29,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-12-16 01:01:29,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-12-16 01:01:29,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 01:01:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2021-12-16 01:01:29,967 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 33 [2021-12-16 01:01:29,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:29,968 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2021-12-16 01:01:29,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2021-12-16 01:01:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 01:01:29,971 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:29,971 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:29,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 01:01:29,971 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:29,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:29,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1285533544, now seen corresponding path program 1 times [2021-12-16 01:01:29,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:29,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652599863] [2021-12-16 01:01:29,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:29,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 01:01:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:30,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:30,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652599863] [2021-12-16 01:01:30,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652599863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:30,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:30,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:30,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359501533] [2021-12-16 01:01:30,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:30,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:30,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:30,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:30,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:30,082 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:30,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:30,199 INFO L93 Difference]: Finished difference Result 203 states and 264 transitions. [2021-12-16 01:01:30,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 01:01:30,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-16 01:01:30,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:30,202 INFO L225 Difference]: With dead ends: 203 [2021-12-16 01:01:30,202 INFO L226 Difference]: Without dead ends: 129 [2021-12-16 01:01:30,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:30,210 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 166 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:30,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 359 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-12-16 01:01:30,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2021-12-16 01:01:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 107 states have internal predecessors, (128), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2021-12-16 01:01:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2021-12-16 01:01:30,226 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 38 [2021-12-16 01:01:30,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:30,226 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2021-12-16 01:01:30,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2021-12-16 01:01:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-16 01:01:30,228 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:30,228 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:30,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 01:01:30,229 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:30,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:30,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1848173569, now seen corresponding path program 1 times [2021-12-16 01:01:30,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:30,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052207037] [2021-12-16 01:01:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:30,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 01:01:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 01:01:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 01:01:30,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:30,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052207037] [2021-12-16 01:01:30,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052207037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:30,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:30,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:30,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494098099] [2021-12-16 01:01:30,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:30,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:30,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:30,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:30,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:30,292 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:30,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:30,401 INFO L93 Difference]: Finished difference Result 292 states and 389 transitions. [2021-12-16 01:01:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 01:01:30,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-16 01:01:30,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:30,404 INFO L225 Difference]: With dead ends: 292 [2021-12-16 01:01:30,404 INFO L226 Difference]: Without dead ends: 174 [2021-12-16 01:01:30,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-16 01:01:30,405 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 50 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:30,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 494 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:30,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-12-16 01:01:30,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2021-12-16 01:01:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.272) internal successors, (159), 135 states have internal predecessors, (159), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2021-12-16 01:01:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 207 transitions. [2021-12-16 01:01:30,432 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 207 transitions. Word has length 41 [2021-12-16 01:01:30,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:30,432 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 207 transitions. [2021-12-16 01:01:30,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2021-12-16 01:01:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 01:01:30,436 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:30,436 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:30,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 01:01:30,437 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:30,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:30,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1678713476, now seen corresponding path program 1 times [2021-12-16 01:01:30,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:30,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297652287] [2021-12-16 01:01:30,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:30,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 01:01:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:30,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:30,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297652287] [2021-12-16 01:01:30,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297652287] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:30,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:30,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:30,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882017906] [2021-12-16 01:01:30,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:30,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:30,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:30,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:30,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:30,549 INFO L87 Difference]: Start difference. First operand 164 states and 207 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 01:01:30,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:30,687 INFO L93 Difference]: Finished difference Result 351 states and 450 transitions. [2021-12-16 01:01:30,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:30,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 52 [2021-12-16 01:01:30,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:30,690 INFO L225 Difference]: With dead ends: 351 [2021-12-16 01:01:30,690 INFO L226 Difference]: Without dead ends: 195 [2021-12-16 01:01:30,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 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 01:01:30,692 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 66 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:30,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 412 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:30,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-12-16 01:01:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 190. [2021-12-16 01:01:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 146 states have (on average 1.2602739726027397) internal successors, (184), 156 states have internal predecessors, (184), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (32), 24 states have call predecessors, (32), 23 states have call successors, (32) [2021-12-16 01:01:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2021-12-16 01:01:30,709 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 52 [2021-12-16 01:01:30,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:30,709 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions. [2021-12-16 01:01:30,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 01:01:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2021-12-16 01:01:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-16 01:01:30,710 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:30,711 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:30,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 01:01:30,711 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:30,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:30,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1278940123, now seen corresponding path program 1 times [2021-12-16 01:01:30,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:30,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920898918] [2021-12-16 01:01:30,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:30,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 01:01:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-16 01:01:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 01:01:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:30,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:30,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920898918] [2021-12-16 01:01:30,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920898918] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:30,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:30,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 01:01:30,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74380644] [2021-12-16 01:01:30,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:30,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 01:01:30,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:30,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 01:01:30,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 01:01:30,783 INFO L87 Difference]: Start difference. First operand 190 states and 239 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 01:01:30,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:30,889 INFO L93 Difference]: Finished difference Result 376 states and 473 transitions. [2021-12-16 01:01:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 01:01:30,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 55 [2021-12-16 01:01:30,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:30,893 INFO L225 Difference]: With dead ends: 376 [2021-12-16 01:01:30,894 INFO L226 Difference]: Without dead ends: 194 [2021-12-16 01:01:30,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:30,897 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 93 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:30,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 285 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:30,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-16 01:01:30,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2021-12-16 01:01:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 146 states have (on average 1.2534246575342465) internal successors, (183), 156 states have internal predecessors, (183), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2021-12-16 01:01:30,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 236 transitions. [2021-12-16 01:01:30,930 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 236 transitions. Word has length 55 [2021-12-16 01:01:30,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:30,932 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 236 transitions. [2021-12-16 01:01:30,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 01:01:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 236 transitions. [2021-12-16 01:01:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 01:01:30,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:30,934 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:30,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 01:01:30,934 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:30,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:30,935 INFO L85 PathProgramCache]: Analyzing trace with hash 927310078, now seen corresponding path program 1 times [2021-12-16 01:01:30,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:30,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672625721] [2021-12-16 01:01:30,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:30,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 01:01:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:31,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:31,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672625721] [2021-12-16 01:01:31,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672625721] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:31,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:31,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:31,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910406207] [2021-12-16 01:01:31,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:31,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:31,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:31,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:31,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:31,012 INFO L87 Difference]: Start difference. First operand 190 states and 236 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 01:01:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:31,120 INFO L93 Difference]: Finished difference Result 382 states and 484 transitions. [2021-12-16 01:01:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 01:01:31,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 52 [2021-12-16 01:01:31,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:31,123 INFO L225 Difference]: With dead ends: 382 [2021-12-16 01:01:31,123 INFO L226 Difference]: Without dead ends: 200 [2021-12-16 01:01:31,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:31,127 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 70 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:31,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 322 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:31,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-12-16 01:01:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 192. [2021-12-16 01:01:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 148 states have (on average 1.25) internal successors, (185), 158 states have internal predecessors, (185), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2021-12-16 01:01:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 238 transitions. [2021-12-16 01:01:31,143 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 238 transitions. Word has length 52 [2021-12-16 01:01:31,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:31,145 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 238 transitions. [2021-12-16 01:01:31,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 01:01:31,145 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 238 transitions. [2021-12-16 01:01:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 01:01:31,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:31,147 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:31,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 01:01:31,147 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:31,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:31,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1350011904, now seen corresponding path program 1 times [2021-12-16 01:01:31,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:31,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669247486] [2021-12-16 01:01:31,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:31,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 01:01:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:31,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:31,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669247486] [2021-12-16 01:01:31,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669247486] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:31,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:31,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:31,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437010340] [2021-12-16 01:01:31,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:31,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:31,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:31,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:31,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:31,206 INFO L87 Difference]: Start difference. First operand 192 states and 238 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 01:01:31,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:31,378 INFO L93 Difference]: Finished difference Result 589 states and 754 transitions. [2021-12-16 01:01:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:31,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 52 [2021-12-16 01:01:31,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:31,381 INFO L225 Difference]: With dead ends: 589 [2021-12-16 01:01:31,381 INFO L226 Difference]: Without dead ends: 405 [2021-12-16 01:01:31,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 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 01:01:31,383 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 223 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:31,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 353 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:31,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-12-16 01:01:31,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2021-12-16 01:01:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 308 states have (on average 1.2207792207792207) internal successors, (376), 326 states have internal predecessors, (376), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (72), 51 states have call predecessors, (72), 52 states have call successors, (72) [2021-12-16 01:01:31,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 500 transitions. [2021-12-16 01:01:31,403 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 500 transitions. Word has length 52 [2021-12-16 01:01:31,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:31,404 INFO L470 AbstractCegarLoop]: Abstraction has 403 states and 500 transitions. [2021-12-16 01:01:31,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 01:01:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 500 transitions. [2021-12-16 01:01:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-16 01:01:31,405 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:31,405 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:31,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 01:01:31,405 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:31,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash 338031322, now seen corresponding path program 1 times [2021-12-16 01:01:31,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:31,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044223816] [2021-12-16 01:01:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:31,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 01:01:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 01:01:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 01:01:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:31,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:31,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:31,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044223816] [2021-12-16 01:01:31,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044223816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:31,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:31,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 01:01:31,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16762319] [2021-12-16 01:01:31,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:31,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 01:01:31,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:31,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 01:01:31,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-16 01:01:31,522 INFO L87 Difference]: Start difference. First operand 403 states and 500 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:32,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:32,245 INFO L93 Difference]: Finished difference Result 1064 states and 1371 transitions. [2021-12-16 01:01:32,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-16 01:01:32,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2021-12-16 01:01:32,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:32,250 INFO L225 Difference]: With dead ends: 1064 [2021-12-16 01:01:32,250 INFO L226 Difference]: Without dead ends: 757 [2021-12-16 01:01:32,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2021-12-16 01:01:32,253 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 600 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:32,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 711 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 01:01:32,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2021-12-16 01:01:32,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 599. [2021-12-16 01:01:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 459 states have (on average 1.2113289760348585) internal successors, (556), 489 states have internal predecessors, (556), 75 states have call successors, (75), 57 states have call predecessors, (75), 64 states have return successors, (108), 73 states have call predecessors, (108), 75 states have call successors, (108) [2021-12-16 01:01:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 739 transitions. [2021-12-16 01:01:32,296 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 739 transitions. Word has length 56 [2021-12-16 01:01:32,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:32,296 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 739 transitions. [2021-12-16 01:01:32,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:32,297 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 739 transitions. [2021-12-16 01:01:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-16 01:01:32,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:32,299 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:32,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 01:01:32,299 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:32,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:32,300 INFO L85 PathProgramCache]: Analyzing trace with hash 836408910, now seen corresponding path program 1 times [2021-12-16 01:01:32,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:32,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510127350] [2021-12-16 01:01:32,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:32,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 01:01:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 01:01:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 01:01:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-16 01:01:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-16 01:01:32,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:32,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510127350] [2021-12-16 01:01:32,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510127350] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:32,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409094794] [2021-12-16 01:01:32,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:32,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:32,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:32,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 01:01:32,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 01:01:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:32,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 01:01:32,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 01:01:32,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-16 01:01:33,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409094794] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:33,162 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:33,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2021-12-16 01:01:33,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647108302] [2021-12-16 01:01:33,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:33,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-16 01:01:33,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:33,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-16 01:01:33,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-16 01:01:33,164 INFO L87 Difference]: Start difference. First operand 599 states and 739 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-16 01:01:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:34,074 INFO L93 Difference]: Finished difference Result 1300 states and 1651 transitions. [2021-12-16 01:01:34,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-16 01:01:34,074 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 98 [2021-12-16 01:01:34,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:34,075 INFO L225 Difference]: With dead ends: 1300 [2021-12-16 01:01:34,075 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 01:01:34,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 219 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=1421, Unknown=0, NotChecked=0, Total=1722 [2021-12-16 01:01:34,079 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 426 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:34,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [427 Valid, 1436 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-16 01:01:34,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 01:01:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 01:01:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 01:01:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 01:01:34,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2021-12-16 01:01:34,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:34,081 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 01:01:34,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-16 01:01:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 01:01:34,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 01:01:34,083 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 01:01:34,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 01:01:34,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 01:01:34,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 01:01:38,232 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 860 867) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3))) [2021-12-16 01:01:38,233 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 860 867) no Hoare annotation was computed. [2021-12-16 01:01:38,233 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 860 867) no Hoare annotation was computed. [2021-12-16 01:01:38,234 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 793 799) no Hoare annotation was computed. [2021-12-16 01:01:38,234 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 793 799) the Hoare annotation is: true [2021-12-16 01:01:38,238 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: true [2021-12-16 01:01:38,238 INFO L858 garLoopResultBuilder]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2021-12-16 01:01:38,238 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2021-12-16 01:01:38,238 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 956) no Hoare annotation was computed. [2021-12-16 01:01:38,239 INFO L858 garLoopResultBuilder]: For program point L952-2(lines 952 956) no Hoare annotation was computed. [2021-12-16 01:01:38,239 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 574) no Hoare annotation was computed. [2021-12-16 01:01:38,239 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 597) no Hoare annotation was computed. [2021-12-16 01:01:38,239 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2021-12-16 01:01:38,240 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 589 600) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-16 01:01:38,243 INFO L854 garLoopResultBuilder]: At program point L527(lines 522 529) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse0 .cse2) (or .cse1 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-16 01:01:38,245 INFO L854 garLoopResultBuilder]: At program point L560-1(lines 552 580) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not .cse1)) (.cse5 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 (and .cse2 .cse3 .cse7) .cse8)) (or .cse6 (and .cse9 .cse7) .cse10 (not (= ~systemActive~0 0))) (or .cse1 (and .cse9 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse6 .cse10 (and .cse9 .cse4 .cse5)) (let ((.cse11 (<= ~waterLevel~0 2))) (or .cse1 .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse7 .cse11) (and .cse2 .cse11 .cse4 .cse5) .cse8)) (or .cse0 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|)) .cse6 .cse10)))) [2021-12-16 01:01:38,245 INFO L854 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-16 01:01:38,245 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 766 792) no Hoare annotation was computed. [2021-12-16 01:01:38,245 INFO L854 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-16 01:01:38,245 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 571) no Hoare annotation was computed. [2021-12-16 01:01:38,245 INFO L854 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse0 .cse3) (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3))) [2021-12-16 01:01:38,246 INFO L854 garLoopResultBuilder]: At program point L685(lines 680 688) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-16 01:01:38,246 INFO L854 garLoopResultBuilder]: At program point L846-1(lines 827 851) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse1 (and .cse0 .cse2) .cse3)) (let ((.cse6 (= ~waterLevel~0 1))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse4 .cse1 (and .cse5 .cse6 .cse7) (and .cse5 .cse6 .cse2) .cse8)) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse4 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse5 .cse7 .cse9) (and .cse5 .cse9 .cse2) .cse8)) (or .cse1 .cse3 (not (= ~systemActive~0 0))))) [2021-12-16 01:01:38,246 INFO L858 garLoopResultBuilder]: For program point L780-1(lines 780 786) no Hoare annotation was computed. [2021-12-16 01:01:38,246 INFO L854 garLoopResultBuilder]: At program point L549(lines 542 551) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 .cse4) .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5) (or .cse1 (and .cse3 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))))) [2021-12-16 01:01:38,247 INFO L854 garLoopResultBuilder]: At program point L958(lines 943 961) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-16 01:01:38,247 INFO L854 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse2) (let ((.cse6 (= ~waterLevel~0 1))) (or .cse0 .cse4 .cse1 (and .cse5 .cse6 .cse7) (and .cse5 .cse6 .cse3) .cse8)) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse4 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse5 .cse7 .cse9) (and .cse5 .cse9 .cse3) .cse8)))) [2021-12-16 01:01:38,247 INFO L858 garLoopResultBuilder]: For program point L562-1(line 562) no Hoare annotation was computed. [2021-12-16 01:01:38,247 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 779) no Hoare annotation was computed. [2021-12-16 01:01:38,247 INFO L858 garLoopResultBuilder]: For program point L773-2(lines 769 791) no Hoare annotation was computed. [2021-12-16 01:01:38,247 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 843) no Hoare annotation was computed. [2021-12-16 01:01:38,248 INFO L858 garLoopResultBuilder]: For program point L831(lines 831 848) no Hoare annotation was computed. [2021-12-16 01:01:38,248 INFO L854 garLoopResultBuilder]: At program point L662(lines 657 665) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse1 (and .cse0 .cse2) .cse3)) (or .cse4 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse1 .cse3) (or .cse1 .cse3 (not (= ~systemActive~0 0)) .cse2) (let ((.cse7 (= ~waterLevel~0 1))) (or .cse4 .cse5 .cse1 (and .cse6 .cse7 .cse8) (and .cse6 .cse7 .cse2) .cse9)) (let ((.cse10 (<= ~waterLevel~0 2))) (or .cse5 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse6 .cse8 .cse10) (and .cse6 .cse10 .cse2) .cse9)))) [2021-12-16 01:01:38,248 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 766 792) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 .cse4) .cse5) (or .cse1 (and .cse2 .cse4 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5))) [2021-12-16 01:01:38,248 INFO L858 garLoopResultBuilder]: For program point L526(line 526) no Hoare annotation was computed. [2021-12-16 01:01:38,248 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 766 792) no Hoare annotation was computed. [2021-12-16 01:01:38,249 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2021-12-16 01:01:38,249 INFO L854 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 .cse4) .cse5) (or .cse1 (and .cse2 .cse4 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5))) [2021-12-16 01:01:38,249 INFO L858 garLoopResultBuilder]: For program point L547-1(line 547) no Hoare annotation was computed. [2021-12-16 01:01:38,249 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2021-12-16 01:01:38,249 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2021-12-16 01:01:38,249 INFO L861 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2021-12-16 01:01:38,250 INFO L858 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-12-16 01:01:38,250 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-16 01:01:38,250 INFO L861 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2021-12-16 01:01:38,250 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-12-16 01:01:38,250 INFO L861 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2021-12-16 01:01:38,250 INFO L861 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2021-12-16 01:01:38,250 INFO L858 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2021-12-16 01:01:38,251 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2021-12-16 01:01:38,251 INFO L854 garLoopResultBuilder]: At program point L539(lines 534 541) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:38,251 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 01:01:38,251 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 01:01:38,251 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 01:01:38,251 INFO L854 garLoopResultBuilder]: At program point L982(lines 977 984) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3 .cse4))) [2021-12-16 01:01:38,252 INFO L861 garLoopResultBuilder]: At program point L755(lines 692 759) the Hoare annotation is: true [2021-12-16 01:01:38,252 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-12-16 01:01:38,252 INFO L858 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2021-12-16 01:01:38,252 INFO L854 garLoopResultBuilder]: At program point L974(lines 962 976) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (<= ~waterLevel~0 2) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 01:01:38,252 INFO L854 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-16 01:01:38,252 INFO L858 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2021-12-16 01:01:38,253 INFO L858 garLoopResultBuilder]: For program point L966-1(lines 966 972) no Hoare annotation was computed. [2021-12-16 01:01:38,253 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 01:01:38,253 INFO L854 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:38,253 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-12-16 01:01:38,253 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2021-12-16 01:01:38,253 INFO L854 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:38,254 INFO L854 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:38,254 INFO L854 garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false [2021-12-16 01:01:38,254 INFO L861 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2021-12-16 01:01:38,254 INFO L861 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-12-16 01:01:38,254 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2021-12-16 01:01:38,254 INFO L854 garLoopResultBuilder]: At program point L740-2(lines 732 747) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-16 01:01:38,254 INFO L858 garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed. [2021-12-16 01:01:38,255 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 747) no Hoare annotation was computed. [2021-12-16 01:01:38,255 INFO L854 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-16 01:01:38,255 INFO L854 garLoopResultBuilder]: At program point L749(lines 702 751) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-16 01:01:38,255 INFO L854 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:38,255 INFO L858 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2021-12-16 01:01:38,255 INFO L854 garLoopResultBuilder]: At program point L968(line 968) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-16 01:01:38,256 INFO L858 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2021-12-16 01:01:38,256 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 801 825) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2021-12-16 01:01:38,256 INFO L854 garLoopResultBuilder]: At program point L857(lines 852 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-16 01:01:38,256 INFO L854 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-16 01:01:38,256 INFO L858 garLoopResultBuilder]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2021-12-16 01:01:38,256 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-12-16 01:01:38,256 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 801 825) no Hoare annotation was computed. [2021-12-16 01:01:38,257 INFO L854 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (= ~pumpRunning~0 0)) .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-16 01:01:38,257 INFO L854 garLoopResultBuilder]: At program point L939(lines 924 942) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) .cse1 .cse2 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse0) (not (= |old(~pumpRunning~0)| 0)))) (or .cse1 (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-16 01:01:38,257 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 817) no Hoare annotation was computed. [2021-12-16 01:01:38,257 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 822) no Hoare annotation was computed. [2021-12-16 01:01:38,257 INFO L858 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2021-12-16 01:01:38,257 INFO L854 garLoopResultBuilder]: At program point L675(lines 666 679) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse2) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse2) .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-16 01:01:38,258 INFO L858 garLoopResultBuilder]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2021-12-16 01:01:38,258 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2021-12-16 01:01:38,258 INFO L858 garLoopResultBuilder]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2021-12-16 01:01:38,258 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= ~pumpRunning~0 0)) .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or .cse2 (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse3 .cse1))) [2021-12-16 01:01:38,258 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 879 887) no Hoare annotation was computed. [2021-12-16 01:01:38,258 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 879 887) the Hoare annotation is: true [2021-12-16 01:01:38,258 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 879 887) no Hoare annotation was computed. [2021-12-16 01:01:38,261 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:38,263 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 01:01:38,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:01:38 BoogieIcfgContainer [2021-12-16 01:01:38,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 01:01:38,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 01:01:38,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 01:01:38,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 01:01:38,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:29" (3/4) ... [2021-12-16 01:01:38,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 01:01:38,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 01:01:38,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 01:01:38,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 01:01:38,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 01:01:38,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 01:01:38,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:38,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 01:01:38,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-16 01:01:38,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-16 01:01:38,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 01:01:38,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 01:01:38,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 01:01:38,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 01:01:38,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:38,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:38,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 01:01:38,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 01:01:38,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 01:01:38,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) || ((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) [2021-12-16 01:01:38,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:38,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:38,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) [2021-12-16 01:01:38,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || (((\result <= 2 && 2 <= \result) && tmp <= 2) && 1 < tmp)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:38,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-16 01:01:38,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:38,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0 [2021-12-16 01:01:38,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) || pumpRunning == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:38,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:38,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:38,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:38,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || !(waterLevel <= 2)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:38,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:38,390 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 01:01:38,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 01:01:38,391 INFO L158 Benchmark]: Toolchain (without parser) took 10308.39ms. Allocated memory was 92.3MB in the beginning and 146.8MB in the end (delta: 54.5MB). Free memory was 54.7MB in the beginning and 89.1MB in the end (delta: -34.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:38,391 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:01:38,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.40ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 59.9MB in the end (delta: -5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 01:01:38,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.71ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:38,392 INFO L158 Benchmark]: Boogie Preprocessor took 49.10ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 55.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:38,393 INFO L158 Benchmark]: RCFGBuilder took 448.38ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 39.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 01:01:38,393 INFO L158 Benchmark]: TraceAbstraction took 9087.47ms. Allocated memory was 92.3MB in the beginning and 146.8MB in the end (delta: 54.5MB). Free memory was 38.6MB in the beginning and 96.4MB in the end (delta: -57.8MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2021-12-16 01:01:38,394 INFO L158 Benchmark]: Witness Printer took 92.47ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 89.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 01:01:38,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.40ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 59.9MB in the end (delta: -5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.71ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.10ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 55.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.38ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 39.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9087.47ms. Allocated memory was 92.3MB in the beginning and 146.8MB in the end (delta: 54.5MB). Free memory was 38.6MB in the beginning and 96.4MB in the end (delta: -57.8MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Witness Printer took 92.47ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 89.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 526]: 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 9 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1746 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1711 mSDsluCounter, 4684 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3350 mSDsCounter, 561 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2092 IncrementalHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 561 mSolverCounterUnsat, 1334 mSDtfsCounter, 2092 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=599occurred in iteration=9, InterpolantAutomatonStates: 104, 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, 10 MinimizatonAttempts, 190 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1362 PreInvPairs, 1662 NumberOfFragments, 1934 HoareAnnotationTreeSize, 1362 FomulaSimplifications, 1854 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 46 FomulaSimplificationsInter, 11291 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 693 ConstructedInterpolants, 0 QuantifiedInterpolants, 1353 SizeOfPredicates, 3 NumberOfNonLiveVariables, 477 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 103/129 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: 702]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) || ((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || !(waterLevel <= 2)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || (((\result <= 2 && 2 <= \result) && tmp <= 2) && 1 < tmp)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) || pumpRunning == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-16 01:01:38,467 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