./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 f4b24e32 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-?-f4b24e3 [2022-07-13 18:01:01,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 18:01:01,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 18:01:01,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 18:01:01,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 18:01:01,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 18:01:01,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 18:01:01,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 18:01:01,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 18:01:01,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 18:01:01,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 18:01:01,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 18:01:01,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 18:01:01,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 18:01:01,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 18:01:01,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 18:01:01,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 18:01:01,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 18:01:01,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 18:01:01,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 18:01:01,520 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 18:01:01,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 18:01:01,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 18:01:01,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 18:01:01,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 18:01:01,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 18:01:01,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 18:01:01,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 18:01:01,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 18:01:01,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 18:01:01,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 18:01:01,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 18:01:01,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 18:01:01,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 18:01:01,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 18:01:01,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 18:01:01,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 18:01:01,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 18:01:01,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 18:01:01,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 18:01:01,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 18:01:01,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 18:01:01,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 18:01:01,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 18:01:01,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 18:01:01,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 18:01:01,575 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 18:01:01,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 18:01:01,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 18:01:01,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 18:01:01,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 18:01:01,577 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 18:01:01,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 18:01:01,577 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 18:01:01,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 18:01:01,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 18:01:01,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 18:01:01,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 18:01:01,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 18:01:01,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 18:01:01,578 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 18:01:01,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 18:01:01,579 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 18:01:01,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 18:01:01,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 18:01:01,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 18:01:01,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 18:01:01,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 18:01:01,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 18:01:01,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 18:01:01,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 18:01:01,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 18:01:01,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 18:01:01,581 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 18:01:01,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 18:01:01,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 18:01:01,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2022-07-13 18:01:01,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 18:01:01,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 18:01:01,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 18:01:01,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 18:01:01,835 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 18:01:01,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2022-07-13 18:01:01,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60d785e2/0fec509564aa4d61af68684834256852/FLAGe34285e42 [2022-07-13 18:01:02,307 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 18:01:02,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2022-07-13 18:01:02,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60d785e2/0fec509564aa4d61af68684834256852/FLAGe34285e42 [2022-07-13 18:01:02,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60d785e2/0fec509564aa4d61af68684834256852 [2022-07-13 18:01:02,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 18:01:02,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 18:01:02,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 18:01:02,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 18:01:02,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 18:01:02,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:01:02" (1/1) ... [2022-07-13 18:01:02,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f22312d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:02, skipping insertion in model container [2022-07-13 18:01:02,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:01:02" (1/1) ... [2022-07-13 18:01:02,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 18:01:02,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 18:01:02,949 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] [2022-07-13 18:01:03,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 18:01:03,020 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 18:01:03,070 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] [2022-07-13 18:01:03,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 18:01:03,118 INFO L208 MainTranslator]: Completed translation [2022-07-13 18:01:03,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03 WrapperNode [2022-07-13 18:01:03,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 18:01:03,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 18:01:03,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 18:01:03,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 18:01:03,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,177 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 268 [2022-07-13 18:01:03,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 18:01:03,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 18:01:03,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 18:01:03,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 18:01:03,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 18:01:03,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 18:01:03,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 18:01:03,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 18:01:03,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (1/1) ... [2022-07-13 18:01:03,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 18:01:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:03,266 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) [2022-07-13 18:01:03,273 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 [2022-07-13 18:01:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 18:01:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 18:01:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 18:01:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 18:01:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 18:01:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 18:01:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 18:01:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 18:01:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 18:01:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 18:01:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 18:01:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-13 18:01:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-13 18:01:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-13 18:01:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-13 18:01:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 18:01:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 18:01:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 18:01:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 18:01:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 18:01:03,431 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 18:01:03,433 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 18:01:03,704 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 18:01:03,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 18:01:03,710 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 18:01:03,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:01:03 BoogieIcfgContainer [2022-07-13 18:01:03,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 18:01:03,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 18:01:03,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 18:01:03,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 18:01:03,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 06:01:02" (1/3) ... [2022-07-13 18:01:03,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c6a4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:01:03, skipping insertion in model container [2022-07-13 18:01:03,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:03" (2/3) ... [2022-07-13 18:01:03,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c6a4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:01:03, skipping insertion in model container [2022-07-13 18:01:03,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:01:03" (3/3) ... [2022-07-13 18:01:03,719 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2022-07-13 18:01:03,730 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 18:01:03,731 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 18:01:03,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 18:01:03,783 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f0455c0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b105acd [2022-07-13 18:01:03,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 18:01:03,787 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) [2022-07-13 18:01:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-13 18:01:03,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:03,797 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:03,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:03,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:03,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1209028345, now seen corresponding path program 1 times [2022-07-13 18:01:03,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:03,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526389172] [2022-07-13 18:01:03,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:03,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 18:01:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 18:01:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:04,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:04,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526389172] [2022-07-13 18:01:04,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526389172] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:04,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:04,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 18:01:04,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511568180] [2022-07-13 18:01:04,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:04,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 18:01:04,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:04,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 18:01:04,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 18:01:04,058 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) [2022-07-13 18:01:04,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:04,087 INFO L93 Difference]: Finished difference Result 191 states and 258 transitions. [2022-07-13 18:01:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 18:01:04,089 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 [2022-07-13 18:01:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:04,096 INFO L225 Difference]: With dead ends: 191 [2022-07-13 18:01:04,096 INFO L226 Difference]: Without dead ends: 91 [2022-07-13 18:01:04,099 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:01:04,102 INFO L413 NwaCegarLoop]: 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 [2022-07-13 18:01:04,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 18:01:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-13 18:01:04,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-13 18:01:04,133 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) [2022-07-13 18:01:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2022-07-13 18:01:04,137 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 32 [2022-07-13 18:01:04,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:04,137 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2022-07-13 18:01:04,138 INFO L496 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) [2022-07-13 18:01:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2022-07-13 18:01:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-13 18:01:04,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:04,141 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:04,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 18:01:04,141 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:04,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:04,142 INFO L85 PathProgramCache]: Analyzing trace with hash 819571873, now seen corresponding path program 1 times [2022-07-13 18:01:04,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:04,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027986491] [2022-07-13 18:01:04,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:04,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 18:01:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 18:01:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:04,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:04,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027986491] [2022-07-13 18:01:04,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027986491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:04,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:04,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 18:01:04,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430478159] [2022-07-13 18:01:04,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:04,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 18:01:04,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:04,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 18:01:04,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 18:01:04,251 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) [2022-07-13 18:01:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:04,269 INFO L93 Difference]: Finished difference Result 142 states and 182 transitions. [2022-07-13 18:01:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 18:01:04,270 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 [2022-07-13 18:01:04,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:04,275 INFO L225 Difference]: With dead ends: 142 [2022-07-13 18:01:04,275 INFO L226 Difference]: Without dead ends: 82 [2022-07-13 18:01:04,276 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:01:04,277 INFO L413 NwaCegarLoop]: 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 [2022-07-13 18:01:04,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 186 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 18:01:04,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-07-13 18:01:04,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-07-13 18:01:04,287 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) [2022-07-13 18:01:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-07-13 18:01:04,295 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 33 [2022-07-13 18:01:04,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:04,296 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-07-13 18:01:04,297 INFO L496 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) [2022-07-13 18:01:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-07-13 18:01:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-13 18:01:04,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:04,300 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:04,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 18:01:04,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:04,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:04,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1285533544, now seen corresponding path program 1 times [2022-07-13 18:01:04,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:04,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541803291] [2022-07-13 18:01:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:04,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 18:01:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 18:01:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:04,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:04,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541803291] [2022-07-13 18:01:04,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541803291] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:04,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:04,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 18:01:04,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625981308] [2022-07-13 18:01:04,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:04,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 18:01:04,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:04,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 18:01:04,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 18:01:04,439 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) [2022-07-13 18:01:04,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:04,554 INFO L93 Difference]: Finished difference Result 203 states and 264 transitions. [2022-07-13 18:01:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 18:01:04,555 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 [2022-07-13 18:01:04,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:04,557 INFO L225 Difference]: With dead ends: 203 [2022-07-13 18:01:04,563 INFO L226 Difference]: Without dead ends: 129 [2022-07-13 18:01:04,564 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:01:04,567 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 166 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-07-13 18:01:04,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 359 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:04,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-07-13 18:01:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2022-07-13 18:01:04,586 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) [2022-07-13 18:01:04,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2022-07-13 18:01:04,591 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 38 [2022-07-13 18:01:04,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:04,592 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2022-07-13 18:01:04,592 INFO L496 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) [2022-07-13 18:01:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2022-07-13 18:01:04,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-13 18:01:04,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:04,599 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:04,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 18:01:04,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:04,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:04,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1848173569, now seen corresponding path program 1 times [2022-07-13 18:01:04,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:04,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000529517] [2022-07-13 18:01:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:04,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-13 18:01:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 18:01:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 18:01:04,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:04,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000529517] [2022-07-13 18:01:04,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000529517] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:04,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:04,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 18:01:04,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193418699] [2022-07-13 18:01:04,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:04,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 18:01:04,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:04,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 18:01:04,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 18:01:04,700 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) [2022-07-13 18:01:04,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:04,830 INFO L93 Difference]: Finished difference Result 292 states and 389 transitions. [2022-07-13 18:01:04,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 18:01:04,831 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 [2022-07-13 18:01:04,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:04,832 INFO L225 Difference]: With dead ends: 292 [2022-07-13 18:01:04,833 INFO L226 Difference]: Without dead ends: 174 [2022-07-13 18:01:04,833 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:01:04,834 INFO L413 NwaCegarLoop]: 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 [2022-07-13 18:01:04,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 494 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:04,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-07-13 18:01:04,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2022-07-13 18:01:04,851 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) [2022-07-13 18:01:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 207 transitions. [2022-07-13 18:01:04,852 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 207 transitions. Word has length 41 [2022-07-13 18:01:04,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:04,853 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 207 transitions. [2022-07-13 18:01:04,853 INFO L496 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) [2022-07-13 18:01:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-07-13 18:01:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-13 18:01:04,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:04,854 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:04,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 18:01:04,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:04,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:04,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1678713476, now seen corresponding path program 1 times [2022-07-13 18:01:04,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:04,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093163986] [2022-07-13 18:01:04,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:04,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 18:01:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 18:01:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 18:01:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:04,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:04,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:04,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093163986] [2022-07-13 18:01:04,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093163986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:04,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:04,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 18:01:04,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115719204] [2022-07-13 18:01:04,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:04,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 18:01:04,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:04,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 18:01:04,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 18:01:04,926 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) [2022-07-13 18:01:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:05,067 INFO L93 Difference]: Finished difference Result 351 states and 450 transitions. [2022-07-13 18:01:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 18:01:05,068 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 [2022-07-13 18:01:05,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:05,074 INFO L225 Difference]: With dead ends: 351 [2022-07-13 18:01:05,074 INFO L226 Difference]: Without dead ends: 195 [2022-07-13 18:01:05,075 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:01:05,082 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 66 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:05,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 403 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-13 18:01:05,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 190. [2022-07-13 18:01:05,113 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) [2022-07-13 18:01:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2022-07-13 18:01:05,115 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 52 [2022-07-13 18:01:05,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:05,116 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions. [2022-07-13 18:01:05,116 INFO L496 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) [2022-07-13 18:01:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2022-07-13 18:01:05,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-13 18:01:05,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:05,120 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:05,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 18:01:05,120 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:05,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:05,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1278940123, now seen corresponding path program 1 times [2022-07-13 18:01:05,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:05,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27825907] [2022-07-13 18:01:05,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:05,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-13 18:01:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-13 18:01:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-13 18:01:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:05,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:05,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27825907] [2022-07-13 18:01:05,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27825907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:05,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:05,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 18:01:05,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606680708] [2022-07-13 18:01:05,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:05,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 18:01:05,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 18:01:05,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 18:01:05,212 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) [2022-07-13 18:01:05,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:05,307 INFO L93 Difference]: Finished difference Result 376 states and 473 transitions. [2022-07-13 18:01:05,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 18:01:05,307 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 [2022-07-13 18:01:05,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:05,310 INFO L225 Difference]: With dead ends: 376 [2022-07-13 18:01:05,310 INFO L226 Difference]: Without dead ends: 194 [2022-07-13 18:01:05,311 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:01:05,312 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 93 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:05,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 282 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:05,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-13 18:01:05,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2022-07-13 18:01:05,337 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) [2022-07-13 18:01:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 236 transitions. [2022-07-13 18:01:05,339 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 236 transitions. Word has length 55 [2022-07-13 18:01:05,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:05,339 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 236 transitions. [2022-07-13 18:01:05,339 INFO L496 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) [2022-07-13 18:01:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 236 transitions. [2022-07-13 18:01:05,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-13 18:01:05,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:05,341 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:05,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 18:01:05,341 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:05,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:05,341 INFO L85 PathProgramCache]: Analyzing trace with hash 927310078, now seen corresponding path program 1 times [2022-07-13 18:01:05,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:05,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648571709] [2022-07-13 18:01:05,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:05,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 18:01:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 18:01:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 18:01:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:05,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:05,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648571709] [2022-07-13 18:01:05,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648571709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:05,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:05,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 18:01:05,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536071085] [2022-07-13 18:01:05,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:05,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 18:01:05,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:05,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 18:01:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 18:01:05,426 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) [2022-07-13 18:01:05,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:05,524 INFO L93 Difference]: Finished difference Result 382 states and 484 transitions. [2022-07-13 18:01:05,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 18:01:05,525 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 [2022-07-13 18:01:05,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:05,527 INFO L225 Difference]: With dead ends: 382 [2022-07-13 18:01:05,527 INFO L226 Difference]: Without dead ends: 200 [2022-07-13 18:01:05,528 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:01:05,532 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 70 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:05,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 316 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:05,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-07-13 18:01:05,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 192. [2022-07-13 18:01:05,545 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) [2022-07-13 18:01:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 238 transitions. [2022-07-13 18:01:05,546 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 238 transitions. Word has length 52 [2022-07-13 18:01:05,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:05,548 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 238 transitions. [2022-07-13 18:01:05,549 INFO L496 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) [2022-07-13 18:01:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 238 transitions. [2022-07-13 18:01:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-13 18:01:05,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:05,550 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:05,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 18:01:05,551 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:05,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1350011904, now seen corresponding path program 1 times [2022-07-13 18:01:05,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:05,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629141526] [2022-07-13 18:01:05,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 18:01:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 18:01:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 18:01:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:05,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:05,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629141526] [2022-07-13 18:01:05,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629141526] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:05,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:05,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 18:01:05,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555275310] [2022-07-13 18:01:05,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:05,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 18:01:05,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:05,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 18:01:05,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 18:01:05,648 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) [2022-07-13 18:01:05,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:05,828 INFO L93 Difference]: Finished difference Result 589 states and 754 transitions. [2022-07-13 18:01:05,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 18:01:05,829 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 [2022-07-13 18:01:05,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:05,832 INFO L225 Difference]: With dead ends: 589 [2022-07-13 18:01:05,832 INFO L226 Difference]: Without dead ends: 405 [2022-07-13 18:01:05,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-13 18:01:05,833 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 223 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:05,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 347 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:05,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-07-13 18:01:05,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2022-07-13 18:01:05,855 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) [2022-07-13 18:01:05,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 500 transitions. [2022-07-13 18:01:05,857 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 500 transitions. Word has length 52 [2022-07-13 18:01:05,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:05,858 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 500 transitions. [2022-07-13 18:01:05,858 INFO L496 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) [2022-07-13 18:01:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 500 transitions. [2022-07-13 18:01:05,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-13 18:01:05,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:05,859 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:05,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 18:01:05,860 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:05,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:05,860 INFO L85 PathProgramCache]: Analyzing trace with hash 338031322, now seen corresponding path program 1 times [2022-07-13 18:01:05,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:05,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184528548] [2022-07-13 18:01:05,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:05,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 18:01:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 18:01:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 18:01:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:05,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:05,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184528548] [2022-07-13 18:01:05,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184528548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:05,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:05,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 18:01:05,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253654315] [2022-07-13 18:01:05,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:05,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 18:01:05,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:05,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 18:01:05,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-13 18:01:05,969 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), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-13 18:01:06,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:06,726 INFO L93 Difference]: Finished difference Result 1232 states and 1584 transitions. [2022-07-13 18:01:06,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-13 18:01:06,727 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), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-13 18:01:06,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:06,731 INFO L225 Difference]: With dead ends: 1232 [2022-07-13 18:01:06,731 INFO L226 Difference]: Without dead ends: 925 [2022-07-13 18:01:06,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-07-13 18:01:06,734 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 560 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:06,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 946 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 18:01:06,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-07-13 18:01:06,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 747. [2022-07-13 18:01:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 571 states have (on average 1.2189141856392294) internal successors, (696), 608 states have internal predecessors, (696), 95 states have call successors, (95), 72 states have call predecessors, (95), 80 states have return successors, (135), 94 states have call predecessors, (135), 95 states have call successors, (135) [2022-07-13 18:01:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 926 transitions. [2022-07-13 18:01:06,778 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 926 transitions. Word has length 56 [2022-07-13 18:01:06,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:06,778 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 926 transitions. [2022-07-13 18:01:06,779 INFO L496 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), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-13 18:01:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 926 transitions. [2022-07-13 18:01:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-13 18:01:06,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:06,780 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:01:06,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 18:01:06,780 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:06,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:06,781 INFO L85 PathProgramCache]: Analyzing trace with hash 836408910, now seen corresponding path program 1 times [2022-07-13 18:01:06,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:06,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105542170] [2022-07-13 18:01:06,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:06,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 18:01:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 18:01:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 18:01:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-13 18:01:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 18:01:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 18:01:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:06,908 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-13 18:01:06,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:06,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105542170] [2022-07-13 18:01:06,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105542170] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:06,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775257542] [2022-07-13 18:01:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:06,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:06,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:06,911 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) [2022-07-13 18:01:06,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 18:01:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:07,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 18:01:07,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 18:01:07,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-13 18:01:07,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775257542] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:07,340 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:07,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-07-13 18:01:07,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988628776] [2022-07-13 18:01:07,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:07,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-13 18:01:07,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:07,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-13 18:01:07,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-13 18:01:07,342 INFO L87 Difference]: Start difference. First operand 747 states and 926 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) [2022-07-13 18:01:08,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:08,559 INFO L93 Difference]: Finished difference Result 1737 states and 2233 transitions. [2022-07-13 18:01:08,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-13 18:01:08,560 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 [2022-07-13 18:01:08,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:08,565 INFO L225 Difference]: With dead ends: 1737 [2022-07-13 18:01:08,565 INFO L226 Difference]: Without dead ends: 1082 [2022-07-13 18:01:08,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=429, Invalid=2121, Unknown=0, NotChecked=0, Total=2550 [2022-07-13 18:01:08,570 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 530 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:08,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1731 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 18:01:08,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2022-07-13 18:01:08,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 844. [2022-07-13 18:01:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 636 states have (on average 1.1965408805031446) internal successors, (761), 685 states have internal predecessors, (761), 112 states have call successors, (112), 93 states have call predecessors, (112), 95 states have return successors, (138), 100 states have call predecessors, (138), 112 states have call successors, (138) [2022-07-13 18:01:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1011 transitions. [2022-07-13 18:01:08,637 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1011 transitions. Word has length 98 [2022-07-13 18:01:08,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:08,638 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1011 transitions. [2022-07-13 18:01:08,638 INFO L496 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) [2022-07-13 18:01:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1011 transitions. [2022-07-13 18:01:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-13 18:01:08,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:08,642 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:08,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:08,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-13 18:01:08,856 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:08,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:08,856 INFO L85 PathProgramCache]: Analyzing trace with hash 305502577, now seen corresponding path program 1 times [2022-07-13 18:01:08,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:08,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140547827] [2022-07-13 18:01:08,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:08,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 18:01:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 18:01:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 18:01:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 18:01:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 18:01:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 18:01:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-13 18:01:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 18:01:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 18:01:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-13 18:01:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-13 18:01:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-13 18:01:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-07-13 18:01:08,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:08,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140547827] [2022-07-13 18:01:08,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140547827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:08,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:08,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 18:01:08,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500382997] [2022-07-13 18:01:08,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:08,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 18:01:08,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:08,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 18:01:08,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-13 18:01:08,990 INFO L87 Difference]: Start difference. First operand 844 states and 1011 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-13 18:01:09,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:09,292 INFO L93 Difference]: Finished difference Result 1641 states and 1985 transitions. [2022-07-13 18:01:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 18:01:09,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 175 [2022-07-13 18:01:09,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:09,298 INFO L225 Difference]: With dead ends: 1641 [2022-07-13 18:01:09,298 INFO L226 Difference]: Without dead ends: 889 [2022-07-13 18:01:09,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-07-13 18:01:09,301 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 192 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:09,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 488 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 18:01:09,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-07-13 18:01:09,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 853. [2022-07-13 18:01:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 645 states have (on average 1.193798449612403) internal successors, (770), 694 states have internal predecessors, (770), 112 states have call successors, (112), 93 states have call predecessors, (112), 95 states have return successors, (138), 100 states have call predecessors, (138), 112 states have call successors, (138) [2022-07-13 18:01:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1020 transitions. [2022-07-13 18:01:09,359 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1020 transitions. Word has length 175 [2022-07-13 18:01:09,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:09,359 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1020 transitions. [2022-07-13 18:01:09,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-13 18:01:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1020 transitions. [2022-07-13 18:01:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-13 18:01:09,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:09,362 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 18:01:09,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 18:01:09,363 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:09,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash 904906191, now seen corresponding path program 1 times [2022-07-13 18:01:09,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:09,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073794726] [2022-07-13 18:01:09,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:09,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 18:01:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 18:01:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 18:01:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 18:01:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 18:01:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 18:01:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-13 18:01:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 18:01:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 18:01:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-13 18:01:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-13 18:01:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-13 18:01:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-13 18:01:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-07-13 18:01:09,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:09,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073794726] [2022-07-13 18:01:09,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073794726] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:09,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362327069] [2022-07-13 18:01:09,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:09,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:09,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:09,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:09,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 18:01:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:09,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-13 18:01:09,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 144 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-13 18:01:09,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 82 proven. 44 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-07-13 18:01:10,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362327069] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:10,181 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:10,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-07-13 18:01:10,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618151343] [2022-07-13 18:01:10,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:10,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-13 18:01:10,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:10,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-13 18:01:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2022-07-13 18:01:10,183 INFO L87 Difference]: Start difference. First operand 853 states and 1020 transitions. Second operand has 25 states, 25 states have (on average 8.88) internal successors, (222), 22 states have internal predecessors, (222), 9 states have call successors, (33), 9 states have call predecessors, (33), 10 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2022-07-13 18:01:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:11,477 INFO L93 Difference]: Finished difference Result 1872 states and 2304 transitions. [2022-07-13 18:01:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-13 18:01:11,478 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 22 states have internal predecessors, (222), 9 states have call successors, (33), 9 states have call predecessors, (33), 10 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) Word has length 179 [2022-07-13 18:01:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:11,479 INFO L225 Difference]: With dead ends: 1872 [2022-07-13 18:01:11,479 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 18:01:11,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 381 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=575, Invalid=2077, Unknown=0, NotChecked=0, Total=2652 [2022-07-13 18:01:11,484 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 1150 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:11,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 1109 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 18:01:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 18:01:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 18:01:11,485 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) [2022-07-13 18:01:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 18:01:11,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2022-07-13 18:01:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:11,486 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 18:01:11,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 22 states have internal predecessors, (222), 9 states have call successors, (33), 9 states have call predecessors, (33), 10 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2022-07-13 18:01:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 18:01:11,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 18:01:11,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 18:01:11,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:11,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-13 18:01:11,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 18:01:19,340 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 860 867) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-13 18:01:19,340 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 860 867) no Hoare annotation was computed. [2022-07-13 18:01:19,340 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 860 867) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 793 799) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 793 799) the Hoare annotation is: true [2022-07-13 18:01:19,341 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: true [2022-07-13 18:01:19,341 INFO L899 garLoopResultBuilder]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 956) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L899 garLoopResultBuilder]: For program point L952-2(lines 952 956) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 574) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 597) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2022-07-13 18:01:19,341 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 589 600) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-07-13 18:01:19,341 INFO L895 garLoopResultBuilder]: At program point L527(lines 522 529) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-13 18:01:19,342 INFO L895 garLoopResultBuilder]: At program point L560-1(lines 552 580) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse1 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse21 (<= ~waterLevel~0 1)) (.cse22 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not .cse7))) (let ((.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse18 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse1 .cse2 .cse21 .cse22 .cse4 .cse5 .cse6)) (.cse12 (and .cse9 .cse1 .cse10 .cse21 .cse22 .cse4 .cse5)) (.cse19 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|))) (.cse20 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse17 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse15 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (< 1 |old(~waterLevel~0)|)) .cse7 .cse8 (and .cse9 .cse1 .cse10 .cse3 .cse4 .cse5))) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse11 .cse12 .cse7 .cse13) (or (and .cse2 .cse14 .cse15 .cse16 .cse6) .cse17 (and (<= 1 ~pumpRunning~0) .cse14 .cse15 .cse16) .cse7 .cse8 (not (<= 2 |old(~waterLevel~0)|))) (or .cse18 .cse17 (and .cse19 .cse9 .cse2 .cse20 .cse16)) (or .cse18 (and .cse19 .cse9 .cse10 .cse20 .cse16 .cse5) .cse0 .cse11 .cse12 (and .cse19 .cse2 .cse20 .cse16 .cse5 .cse6) .cse7 .cse13) (or .cse17 (and .cse9 .cse2 .cse14 .cse15 .cse16) (not (= |old(~waterLevel~0)| 2)) .cse6))))) [2022-07-13 18:01:19,342 INFO L895 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= 0 ~systemActive~0))) (let ((.cse2 (and (<= 1 ~pumpRunning~0) .cse5 .cse6 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse7 (not .cse3))) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse2 .cse3 .cse4) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (= ~waterLevel~0 1) .cse7) .cse3 .cse0)))) [2022-07-13 18:01:19,342 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 766 792) no Hoare annotation was computed. [2022-07-13 18:01:19,342 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-07-13 18:01:19,342 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 571) no Hoare annotation was computed. [2022-07-13 18:01:19,342 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse1) (or .cse0 .cse1 (and .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-13 18:01:19,342 INFO L895 garLoopResultBuilder]: At program point L685(lines 680 688) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-07-13 18:01:19,343 INFO L895 garLoopResultBuilder]: At program point L846-1(lines 827 851) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse9 (<= 1 ~pumpRunning~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse17 (<= ~waterLevel~0 1)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not .cse6)) (.cse15 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse15 .cse10)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse9 .cse12 .cse13 .cse17 .cse18 .cse14 .cse2)) (.cse7 (and .cse15 .cse17 .cse18 .cse14)) (.cse16 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse10) .cse5) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse6 (= ~waterLevel~0 1) .cse1) (or .cse11 .cse3 (and .cse12 .cse13 .cse10 .cse14) .cse4 (and .cse15 .cse10 .cse14) .cse6 .cse7 .cse16) (or .cse11 .cse0 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse6 .cse7 .cse16))))) [2022-07-13 18:01:19,343 INFO L899 garLoopResultBuilder]: For program point L780-1(lines 780 786) no Hoare annotation was computed. [2022-07-13 18:01:19,343 INFO L895 garLoopResultBuilder]: At program point L549(lines 542 551) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse3) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2)))) [2022-07-13 18:01:19,343 INFO L895 garLoopResultBuilder]: At program point L958(lines 943 961) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-07-13 18:01:19,343 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse4 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (and .cse4 .cse9 .cse18 .cse19 .cse7 .cse8)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (and .cse3 .cse4 .cse5 .cse18 .cse19 .cse7 .cse8)) (.cse1 (= 0 ~systemActive~0)) (.cse17 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse6 (= ~waterLevel~0 1))) (or .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse4 .cse9 .cse6 .cse7 .cse8))) (or .cse10 .cse11 (and .cse9 .cse12 .cse13 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2))) (let ((.cse14 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|)))) (or (and .cse14 .cse9 .cse12 .cse13 .cse8) .cse10 .cse15 (and .cse14 .cse3 .cse5 .cse12 .cse13 .cse8) .cse0 .cse16 .cse1 .cse17)) (or .cse11 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse15 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse16 .cse1 .cse17)))) [2022-07-13 18:01:19,343 INFO L899 garLoopResultBuilder]: For program point L562-1(line 562) no Hoare annotation was computed. [2022-07-13 18:01:19,343 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 779) no Hoare annotation was computed. [2022-07-13 18:01:19,343 INFO L899 garLoopResultBuilder]: For program point L773-2(lines 769 791) no Hoare annotation was computed. [2022-07-13 18:01:19,343 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 843) no Hoare annotation was computed. [2022-07-13 18:01:19,344 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 848) no Hoare annotation was computed. [2022-07-13 18:01:19,344 INFO L895 garLoopResultBuilder]: At program point L662(lines 657 665) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse14 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse16 (<= 1 ~switchedOnBeforeTS~0)) (.cse17 (= ~pumpRunning~0 0)) (.cse5 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse17 .cse5 .cse3)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (and .cse4 .cse12 .cse13 .cse14 .cse2 .cse20 .cse16)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~systemActive~0)) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (and .cse13 .cse17 .cse2 .cse20 .cse16)) (.cse18 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse19 (< |timeShift_getWaterLevel_#res#1| 2))) (and (or .cse0 .cse1 (and .cse2 .cse3) (and .cse4 .cse5 .cse3) .cse6) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse1 .cse6 (not .cse9) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse15 (= ~waterLevel~0 1))) (or (and .cse12 .cse13 .cse14 .cse15 .cse16) .cse8 (not (< 1 |old(~waterLevel~0)|)) (and .cse13 .cse17 .cse15 .cse16) .cse9 .cse6)) (or .cse18 (and .cse12 .cse14 .cse19 .cse3 .cse16) (and .cse17 .cse19 .cse3 .cse16) .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse18 .cse1 (and .cse17 .cse19))))) [2022-07-13 18:01:19,344 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 766 792) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or (and .cse6 .cse2 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse8) (or .cse8 (and .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3) .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse4 .cse5 (and .cse1 .cse2 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-13 18:01:19,344 INFO L899 garLoopResultBuilder]: For program point L526(line 526) no Hoare annotation was computed. [2022-07-13 18:01:19,344 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 766 792) no Hoare annotation was computed. [2022-07-13 18:01:19,344 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2022-07-13 18:01:19,344 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or (and .cse6 .cse2 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse8) (or .cse8 (and .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3) .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse4 .cse5 (and .cse1 .cse2 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-13 18:01:19,344 INFO L899 garLoopResultBuilder]: For program point L547-1(line 547) no Hoare annotation was computed. [2022-07-13 18:01:19,344 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-07-13 18:01:19,345 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2022-07-13 18:01:19,345 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-07-13 18:01:19,345 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-07-13 18:01:19,345 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-07-13 18:01:19,345 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-07-13 18:01:19,345 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-07-13 18:01:19,345 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-07-13 18:01:19,345 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-07-13 18:01:19,345 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-07-13 18:01:19,345 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2022-07-13 18:01:19,345 INFO L895 garLoopResultBuilder]: At program point L539(lines 534 541) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 18:01:19,345 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 18:01:19,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 18:01:19,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 18:01:19,346 INFO L895 garLoopResultBuilder]: At program point L982(lines 977 984) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 (<= ~waterLevel~0 2) .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5))) [2022-07-13 18:01:19,346 INFO L902 garLoopResultBuilder]: At program point L755(lines 692 759) the Hoare annotation is: true [2022-07-13 18:01:19,346 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-07-13 18:01:19,346 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-07-13 18:01:19,346 INFO L895 garLoopResultBuilder]: At program point L974(lines 962 976) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= 0 ~systemActive~0)) [2022-07-13 18:01:19,346 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse3))) [2022-07-13 18:01:19,346 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2022-07-13 18:01:19,346 INFO L899 garLoopResultBuilder]: For program point L966-1(lines 966 972) no Hoare annotation was computed. [2022-07-13 18:01:19,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 18:01:19,346 INFO L895 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 18:01:19,346 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2022-07-13 18:01:19,346 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2022-07-13 18:01:19,346 INFO L895 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 18:01:19,346 INFO L895 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 18:01:19,347 INFO L895 garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false [2022-07-13 18:01:19,347 INFO L902 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2022-07-13 18:01:19,347 INFO L902 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2022-07-13 18:01:19,347 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2022-07-13 18:01:19,355 INFO L895 garLoopResultBuilder]: At program point L740-2(lines 732 747) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2022-07-13 18:01:19,355 INFO L899 garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed. [2022-07-13 18:01:19,355 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 747) no Hoare annotation was computed. [2022-07-13 18:01:19,356 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2022-07-13 18:01:19,356 INFO L895 garLoopResultBuilder]: At program point L749(lines 702 751) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse3))) [2022-07-13 18:01:19,356 INFO L895 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 18:01:19,356 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2022-07-13 18:01:19,356 INFO L895 garLoopResultBuilder]: At program point L968(line 968) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2022-07-13 18:01:19,356 INFO L899 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2022-07-13 18:01:19,357 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 801 825) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-07-13 18:01:19,357 INFO L895 garLoopResultBuilder]: At program point L857(lines 852 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-13 18:01:19,357 INFO L895 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-07-13 18:01:19,357 INFO L899 garLoopResultBuilder]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2022-07-13 18:01:19,357 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2022-07-13 18:01:19,357 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 801 825) no Hoare annotation was computed. [2022-07-13 18:01:19,358 INFO L895 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse3 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-13 18:01:19,358 INFO L895 garLoopResultBuilder]: At program point L939(lines 924 942) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-07-13 18:01:19,358 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 817) no Hoare annotation was computed. [2022-07-13 18:01:19,358 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 822) no Hoare annotation was computed. [2022-07-13 18:01:19,358 INFO L899 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2022-07-13 18:01:19,358 INFO L895 garLoopResultBuilder]: At program point L675(lines 666 679) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-07-13 18:01:19,359 INFO L899 garLoopResultBuilder]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2022-07-13 18:01:19,359 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2022-07-13 18:01:19,359 INFO L899 garLoopResultBuilder]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2022-07-13 18:01:19,359 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or (not (= ~pumpRunning~0 0)) .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-07-13 18:01:19,367 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 879 887) no Hoare annotation was computed. [2022-07-13 18:01:19,367 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 879 887) the Hoare annotation is: true [2022-07-13 18:01:19,367 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 879 887) no Hoare annotation was computed. [2022-07-13 18:01:19,373 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:19,380 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 18:01:19,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 06:01:19 BoogieIcfgContainer [2022-07-13 18:01:19,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 18:01:19,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 18:01:19,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 18:01:19,480 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 18:01:19,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:01:03" (3/4) ... [2022-07-13 18:01:19,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 18:01:19,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-13 18:01:19,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 18:01:19,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 18:01:19,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 18:01:19,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 18:01:19,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 18:01:19,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 18:01:19,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-13 18:01:19,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-13 18:01:19,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 18:01:19,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 18:01:19,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 18:01:19,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 18:01:19,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 18:01:19,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 18:01:19,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-13 18:01:19,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-13 18:01:19,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-13 18:01:19,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) [2022-07-13 18:01:19,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-07-13 18:01:19,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-13 18:01:19,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) [2022-07-13 18:01:19,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 <= \old(pumpRunning)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel == 1) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == 0 && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel))) && (((((((!(\old(waterLevel) <= 1) || (((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((!(2 <= tmp) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) [2022-07-13 18:01:19,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-13 18:01:19,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-13 18:01:19,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 0 == systemActive [2022-07-13 18:01:19,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || (waterLevel <= 1 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result < 2)) [2022-07-13 18:01:19,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-13 18:01:19,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-07-13 18:01:19,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-13 18:01:19,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (tmp___0 == 0 && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-07-13 18:01:19,585 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-07-13 18:01:19,636 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 18:01:19,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 18:01:19,637 INFO L158 Benchmark]: Toolchain (without parser) took 16955.32ms. Allocated memory was 83.9MB in the beginning and 174.1MB in the end (delta: 90.2MB). Free memory was 40.2MB in the beginning and 142.2MB in the end (delta: -102.0MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2022-07-13 18:01:19,637 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 18:01:19,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.66ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 40.0MB in the beginning and 82.4MB in the end (delta: -42.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-07-13 18:01:19,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.64ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 79.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 18:01:19,639 INFO L158 Benchmark]: Boogie Preprocessor took 40.15ms. Allocated memory is still 119.5MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 18:01:19,639 INFO L158 Benchmark]: RCFGBuilder took 493.21ms. Allocated memory is still 119.5MB. Free memory was 78.2MB in the beginning and 81.7MB in the end (delta: -3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 18:01:19,639 INFO L158 Benchmark]: TraceAbstraction took 15765.52ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 81.0MB in the beginning and 50.7MB in the end (delta: 30.3MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2022-07-13 18:01:19,640 INFO L158 Benchmark]: Witness Printer took 157.13ms. Allocated memory is still 174.1MB. Free memory was 50.7MB in the beginning and 142.2MB in the end (delta: -91.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 18:01:19,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.66ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 40.0MB in the beginning and 82.4MB in the end (delta: -42.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.64ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 79.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.15ms. Allocated memory is still 119.5MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.21ms. Allocated memory is still 119.5MB. Free memory was 78.2MB in the beginning and 81.7MB in the end (delta: -3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15765.52ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 81.0MB in the beginning and 50.7MB in the end (delta: 30.3MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Witness Printer took 157.13ms. Allocated memory is still 174.1MB. Free memory was 50.7MB in the beginning and 142.2MB in the end (delta: -91.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 15.6s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3164 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3117 mSDsluCounter, 6787 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5136 mSDsCounter, 1095 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3998 IncrementalHoareTripleChecker+Invalid, 5093 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1095 mSolverCounterUnsat, 1651 mSDtfsCounter, 3998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 893 GetRequests, 705 SyntacticMatches, 6 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1535 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=853occurred in iteration=11, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 484 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 2288 PreInvPairs, 2662 NumberOfFragments, 2876 HoareAnnotationTreeSize, 2288 FomulaSimplifications, 4897 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 46 FomulaSimplificationsInter, 33196 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1140 NumberOfCodeBlocks, 1140 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1401 ConstructedInterpolants, 0 QuantifiedInterpolants, 2772 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1168 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 830/909 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: (((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (tmp___0 == 0 && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - 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: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 0 == systemActive - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - 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: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((!(1 <= \old(pumpRunning)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel == 1) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == 0 && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel))) && (((((((!(\old(waterLevel) <= 1) || (((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((!(2 <= tmp) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || (waterLevel <= 1 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result < 2)) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-13 18:01:19,739 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