./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_spec4_product59.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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:01:51,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:01:51,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:01:51,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:01:51,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:01:51,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:01:51,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:01:51,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:01:51,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:01:51,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:01:51,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:01:51,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:01:51,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:01:51,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:01:51,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:01:51,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:01:51,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:01:51,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:01:51,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:01:51,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:01:51,207 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:01:51,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:01:51,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:01:51,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:01:51,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:01:51,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:01:51,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:01:51,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:01:51,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:01:51,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:01:51,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:01:51,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:01:51,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:01:51,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:01:51,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:01:51,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:01:51,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:01:51,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:01:51,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:01:51,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:01:51,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:01:51,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:01:51,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:01:51,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:01:51,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:01:51,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:01:51,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:01:51,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:01:51,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:01:51,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:01:51,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:01:51,295 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:01:51,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:01:51,296 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:01:51,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:01:51,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:01:51,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:01:51,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:01:51,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:01:51,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:01:51,298 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:01:51,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:01:51,298 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:01:51,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:01:51,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:01:51,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:01:51,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:01:51,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:01:51,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:01:51,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:01:51,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:01:51,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:01:51,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:01:51,300 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:01:51,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:01:51,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:01:51,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2022-07-21 05:01:51,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:01:51,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:01:51,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:01:51,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:01:51,638 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:01:51,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2022-07-21 05:01:51,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092d91c7d/55153976f83e4a0e9baa107286c5cb9a/FLAG93efdd206 [2022-07-21 05:01:52,077 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:01:52,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2022-07-21 05:01:52,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092d91c7d/55153976f83e4a0e9baa107286c5cb9a/FLAG93efdd206 [2022-07-21 05:01:52,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092d91c7d/55153976f83e4a0e9baa107286c5cb9a [2022-07-21 05:01:52,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:01:52,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:01:52,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:01:52,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:01:52,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:01:52,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f76da33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52, skipping insertion in model container [2022-07-21 05:01:52,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:01:52,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:01:52,360 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_spec4_product59.cil.c[9171,9184] [2022-07-21 05:01:52,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:01:52,429 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:01:52,465 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_spec4_product59.cil.c[9171,9184] [2022-07-21 05:01:52,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:01:52,512 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:01:52,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52 WrapperNode [2022-07-21 05:01:52,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:01:52,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:01:52,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:01:52,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:01:52,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,569 INFO L137 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 283 [2022-07-21 05:01:52,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:01:52,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:01:52,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:01:52,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:01:52,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:01:52,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:01:52,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:01:52,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:01:52,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (1/1) ... [2022-07-21 05:01:52,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:01:52,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:01:52,655 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) [2022-07-21 05:01:52,720 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 [2022-07-21 05:01:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:01:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:01:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:01:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:01:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:01:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:01:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:01:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:01:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:01:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:01:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:01:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 05:01:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 05:01:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:01:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:01:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:01:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:01:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:01:52,823 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:01:52,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:01:53,075 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:01:53,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:01:53,080 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:01:53,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:53 BoogieIcfgContainer [2022-07-21 05:01:53,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:01:53,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:01:53,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:01:53,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:01:53,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:01:52" (1/3) ... [2022-07-21 05:01:53,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b79505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:01:53, skipping insertion in model container [2022-07-21 05:01:53,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:52" (2/3) ... [2022-07-21 05:01:53,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b79505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:01:53, skipping insertion in model container [2022-07-21 05:01:53,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:53" (3/3) ... [2022-07-21 05:01:53,090 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2022-07-21 05:01:53,101 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:01:53,101 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:01:53,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:01:53,162 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@2dc56efe, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7670c20a [2022-07-21 05:01:53,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:01:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 81 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-21 05:01:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-21 05:01:53,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:53,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:53,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:53,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1328460563, now seen corresponding path program 1 times [2022-07-21 05:01:53,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:53,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575887673] [2022-07-21 05:01:53,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:53,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:53,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:53,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575887673] [2022-07-21 05:01:53,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575887673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:53,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:53,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:01:53,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117622726] [2022-07-21 05:01:53,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:53,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:01:53,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:53,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:01:53,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:01:53,446 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 81 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:53,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:53,487 INFO L93 Difference]: Finished difference Result 178 states and 243 transitions. [2022-07-21 05:01:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:01:53,490 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-21 05:01:53,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:53,498 INFO L225 Difference]: With dead ends: 178 [2022-07-21 05:01:53,498 INFO L226 Difference]: Without dead ends: 84 [2022-07-21 05:01:53,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:01:53,505 INFO L413 NwaCegarLoop]: 118 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, 118 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 [2022-07-21 05:01:53,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:53,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-21 05:01:53,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-21 05:01:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.323076923076923) internal successors, (86), 73 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 05:01:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-07-21 05:01:53,554 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 19 [2022-07-21 05:01:53,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:53,555 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-07-21 05:01:53,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-07-21 05:01:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 05:01:53,559 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:53,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:53,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:01:53,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:53,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1880549764, now seen corresponding path program 1 times [2022-07-21 05:01:53,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:53,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335301918] [2022-07-21 05:01:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:53,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:53,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:53,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335301918] [2022-07-21 05:01:53,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335301918] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:53,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:53,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:01:53,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746699577] [2022-07-21 05:01:53,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:53,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:01:53,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:53,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:01:53,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:01:53,636 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:53,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:53,648 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2022-07-21 05:01:53,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:01:53,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-21 05:01:53,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:53,651 INFO L225 Difference]: With dead ends: 130 [2022-07-21 05:01:53,651 INFO L226 Difference]: Without dead ends: 75 [2022-07-21 05:01:53,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:01:53,657 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 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 [2022-07-21 05:01:53,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:53,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-07-21 05:01:53,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-07-21 05:01:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 67 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-21 05:01:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-07-21 05:01:53,669 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 20 [2022-07-21 05:01:53,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:53,670 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-07-21 05:01:53,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-07-21 05:01:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-21 05:01:53,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:53,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:53,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:01:53,674 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:53,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash 612415945, now seen corresponding path program 1 times [2022-07-21 05:01:53,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:53,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880671038] [2022-07-21 05:01:53,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:53,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:53,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:53,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880671038] [2022-07-21 05:01:53,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880671038] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:53,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:53,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:01:53,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760578854] [2022-07-21 05:01:53,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:53,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:01:53,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:53,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:01:53,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:01:53,790 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:53,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:53,974 INFO L93 Difference]: Finished difference Result 248 states and 328 transitions. [2022-07-21 05:01:53,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 05:01:53,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-21 05:01:53,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:53,977 INFO L225 Difference]: With dead ends: 248 [2022-07-21 05:01:53,978 INFO L226 Difference]: Without dead ends: 180 [2022-07-21 05:01:53,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:01:53,980 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 263 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:53,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 429 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:01:53,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-07-21 05:01:53,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2022-07-21 05:01:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 135 states have (on average 1.3703703703703705) internal successors, (185), 153 states have internal predecessors, (185), 22 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-07-21 05:01:54,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 230 transitions. [2022-07-21 05:01:54,008 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 230 transitions. Word has length 24 [2022-07-21 05:01:54,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:54,008 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 230 transitions. [2022-07-21 05:01:54,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 230 transitions. [2022-07-21 05:01:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-21 05:01:54,013 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:54,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:54,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:01:54,014 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:54,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:54,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1477369919, now seen corresponding path program 1 times [2022-07-21 05:01:54,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:54,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673575118] [2022-07-21 05:01:54,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:54,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:54,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:54,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673575118] [2022-07-21 05:01:54,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673575118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:54,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:54,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 05:01:54,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193573394] [2022-07-21 05:01:54,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:54,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:01:54,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:54,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:01:54,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:01:54,101 INFO L87 Difference]: Start difference. First operand 174 states and 230 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:54,164 INFO L93 Difference]: Finished difference Result 491 states and 675 transitions. [2022-07-21 05:01:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 05:01:54,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-07-21 05:01:54,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:54,170 INFO L225 Difference]: With dead ends: 491 [2022-07-21 05:01:54,170 INFO L226 Difference]: Without dead ends: 324 [2022-07-21 05:01:54,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:01:54,172 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 68 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:54,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 381 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:54,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-07-21 05:01:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2022-07-21 05:01:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 250 states have (on average 1.344) internal successors, (336), 282 states have internal predecessors, (336), 44 states have call successors, (44), 32 states have call predecessors, (44), 29 states have return successors, (50), 25 states have call predecessors, (50), 44 states have call successors, (50) [2022-07-21 05:01:54,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 430 transitions. [2022-07-21 05:01:54,197 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 430 transitions. Word has length 28 [2022-07-21 05:01:54,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:54,197 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 430 transitions. [2022-07-21 05:01:54,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 430 transitions. [2022-07-21 05:01:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-21 05:01:54,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:54,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:54,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:01:54,199 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:54,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:54,200 INFO L85 PathProgramCache]: Analyzing trace with hash -30603644, now seen corresponding path program 1 times [2022-07-21 05:01:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:54,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668333678] [2022-07-21 05:01:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:54,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:54,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:54,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668333678] [2022-07-21 05:01:54,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668333678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:54,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:54,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:01:54,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307529944] [2022-07-21 05:01:54,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:54,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:01:54,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:54,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:01:54,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:01:54,261 INFO L87 Difference]: Start difference. First operand 324 states and 430 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:54,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:54,297 INFO L93 Difference]: Finished difference Result 748 states and 1019 transitions. [2022-07-21 05:01:54,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:01:54,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-07-21 05:01:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:54,300 INFO L225 Difference]: With dead ends: 748 [2022-07-21 05:01:54,300 INFO L226 Difference]: Without dead ends: 431 [2022-07-21 05:01:54,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:01:54,302 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 56 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:54,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 156 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:54,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-07-21 05:01:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 420. [2022-07-21 05:01:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 330 states have (on average 1.2969696969696969) internal successors, (428), 357 states have internal predecessors, (428), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2022-07-21 05:01:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 544 transitions. [2022-07-21 05:01:54,341 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 544 transitions. Word has length 30 [2022-07-21 05:01:54,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:54,341 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 544 transitions. [2022-07-21 05:01:54,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:54,342 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 544 transitions. [2022-07-21 05:01:54,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 05:01:54,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:54,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:54,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:01:54,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:54,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:54,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1736818085, now seen corresponding path program 1 times [2022-07-21 05:01:54,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:54,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805123396] [2022-07-21 05:01:54,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:54,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:54,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:54,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805123396] [2022-07-21 05:01:54,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805123396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:54,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:54,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:01:54,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334924895] [2022-07-21 05:01:54,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:54,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:01:54,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:54,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:01:54,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:01:54,398 INFO L87 Difference]: Start difference. First operand 420 states and 544 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:01:54,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:54,588 INFO L93 Difference]: Finished difference Result 519 states and 675 transitions. [2022-07-21 05:01:54,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 05:01:54,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-21 05:01:54,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:54,591 INFO L225 Difference]: With dead ends: 519 [2022-07-21 05:01:54,591 INFO L226 Difference]: Without dead ends: 517 [2022-07-21 05:01:54,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-07-21 05:01:54,592 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 137 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:54,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 378 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:01:54,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-07-21 05:01:54,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 488. [2022-07-21 05:01:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 383 states have (on average 1.279373368146214) internal successors, (490), 421 states have internal predecessors, (490), 53 states have call successors, (53), 45 states have call predecessors, (53), 51 states have return successors, (88), 45 states have call predecessors, (88), 53 states have call successors, (88) [2022-07-21 05:01:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 631 transitions. [2022-07-21 05:01:54,614 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 631 transitions. Word has length 32 [2022-07-21 05:01:54,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:54,615 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 631 transitions. [2022-07-21 05:01:54,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:01:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 631 transitions. [2022-07-21 05:01:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-21 05:01:54,616 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:54,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:54,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 05:01:54,617 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:54,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:54,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2119024627, now seen corresponding path program 1 times [2022-07-21 05:01:54,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:54,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271852922] [2022-07-21 05:01:54,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:54,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 05:01:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:54,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:54,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271852922] [2022-07-21 05:01:54,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271852922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:54,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:54,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 05:01:54,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246720049] [2022-07-21 05:01:54,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:54,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 05:01:54,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:54,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 05:01:54,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:01:54,677 INFO L87 Difference]: Start difference. First operand 488 states and 631 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:01:54,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:54,908 INFO L93 Difference]: Finished difference Result 1083 states and 1452 transitions. [2022-07-21 05:01:54,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 05:01:54,908 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 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 46 [2022-07-21 05:01:54,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:54,911 INFO L225 Difference]: With dead ends: 1083 [2022-07-21 05:01:54,911 INFO L226 Difference]: Without dead ends: 602 [2022-07-21 05:01:54,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-07-21 05:01:54,913 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 218 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:54,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 370 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:01:54,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-07-21 05:01:54,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 532. [2022-07-21 05:01:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 421 states have (on average 1.2636579572446556) internal successors, (532), 459 states have internal predecessors, (532), 53 states have call successors, (53), 45 states have call predecessors, (53), 57 states have return successors, (96), 49 states have call predecessors, (96), 53 states have call successors, (96) [2022-07-21 05:01:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 681 transitions. [2022-07-21 05:01:54,948 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 681 transitions. Word has length 46 [2022-07-21 05:01:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:54,949 INFO L495 AbstractCegarLoop]: Abstraction has 532 states and 681 transitions. [2022-07-21 05:01:54,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:01:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 681 transitions. [2022-07-21 05:01:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-21 05:01:54,950 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:54,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:54,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 05:01:54,951 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:54,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:54,951 INFO L85 PathProgramCache]: Analyzing trace with hash -124879921, now seen corresponding path program 1 times [2022-07-21 05:01:54,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:54,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466800116] [2022-07-21 05:01:54,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:54,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 05:01:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:54,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:54,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466800116] [2022-07-21 05:01:54,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466800116] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:54,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:54,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:01:54,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974595204] [2022-07-21 05:01:54,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:54,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:01:54,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:54,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:01:54,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:01:54,997 INFO L87 Difference]: Start difference. First operand 532 states and 681 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:01:55,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:55,190 INFO L93 Difference]: Finished difference Result 1044 states and 1375 transitions. [2022-07-21 05:01:55,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 05:01:55,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 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 46 [2022-07-21 05:01:55,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:55,192 INFO L225 Difference]: With dead ends: 1044 [2022-07-21 05:01:55,192 INFO L226 Difference]: Without dead ends: 519 [2022-07-21 05:01:55,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 05:01:55,194 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 144 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:55,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 358 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:01:55,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-07-21 05:01:55,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 425. [2022-07-21 05:01:55,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 336 states have (on average 1.2619047619047619) internal successors, (424), 365 states have internal predecessors, (424), 44 states have call successors, (44), 38 states have call predecessors, (44), 44 states have return successors, (70), 38 states have call predecessors, (70), 44 states have call successors, (70) [2022-07-21 05:01:55,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 538 transitions. [2022-07-21 05:01:55,224 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 538 transitions. Word has length 46 [2022-07-21 05:01:55,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:55,224 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 538 transitions. [2022-07-21 05:01:55,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:01:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 538 transitions. [2022-07-21 05:01:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-21 05:01:55,225 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:55,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:55,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 05:01:55,226 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:55,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:55,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1358294219, now seen corresponding path program 1 times [2022-07-21 05:01:55,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:55,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522609589] [2022-07-21 05:01:55,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:55,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 05:01:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:55,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:55,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522609589] [2022-07-21 05:01:55,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522609589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:55,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:55,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:01:55,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476946994] [2022-07-21 05:01:55,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:55,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:01:55,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:55,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:01:55,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:01:55,303 INFO L87 Difference]: Start difference. First operand 425 states and 538 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:01:55,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:55,604 INFO L93 Difference]: Finished difference Result 971 states and 1304 transitions. [2022-07-21 05:01:55,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 05:01:55,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 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 46 [2022-07-21 05:01:55,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:55,607 INFO L225 Difference]: With dead ends: 971 [2022-07-21 05:01:55,607 INFO L226 Difference]: Without dead ends: 660 [2022-07-21 05:01:55,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-07-21 05:01:55,609 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 220 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:55,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 473 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:01:55,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-07-21 05:01:55,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 635. [2022-07-21 05:01:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 501 states have (on average 1.2375249500998005) internal successors, (620), 538 states have internal predecessors, (620), 66 states have call successors, (66), 58 states have call predecessors, (66), 67 states have return successors, (131), 66 states have call predecessors, (131), 66 states have call successors, (131) [2022-07-21 05:01:55,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 817 transitions. [2022-07-21 05:01:55,632 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 817 transitions. Word has length 46 [2022-07-21 05:01:55,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:55,633 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 817 transitions. [2022-07-21 05:01:55,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:01:55,633 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 817 transitions. [2022-07-21 05:01:55,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-21 05:01:55,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:55,635 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 05:01:55,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 05:01:55,635 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:55,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash -572504429, now seen corresponding path program 1 times [2022-07-21 05:01:55,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:55,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985656204] [2022-07-21 05:01:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:55,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:01:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:01:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 05:01:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-21 05:01:55,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:55,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985656204] [2022-07-21 05:01:55,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985656204] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:01:55,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617512588] [2022-07-21 05:01:55,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:55,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:01:55,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:01:55,767 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) [2022-07-21 05:01:55,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 05:01:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:55,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 05:01:55,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:01:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:55,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 05:01:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-21 05:01:56,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617512588] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 05:01:56,054 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 05:01:56,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-07-21 05:01:56,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568379751] [2022-07-21 05:01:56,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 05:01:56,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 05:01:56,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:56,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 05:01:56,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-21 05:01:56,056 INFO L87 Difference]: Start difference. First operand 635 states and 817 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-21 05:01:56,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:56,593 INFO L93 Difference]: Finished difference Result 1512 states and 2051 transitions. [2022-07-21 05:01:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-21 05:01:56,593 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2022-07-21 05:01:56,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:56,597 INFO L225 Difference]: With dead ends: 1512 [2022-07-21 05:01:56,597 INFO L226 Difference]: Without dead ends: 991 [2022-07-21 05:01:56,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 171 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-07-21 05:01:56,599 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 274 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:56,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 608 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 05:01:56,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-07-21 05:01:56,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 862. [2022-07-21 05:01:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 672 states have (on average 1.244047619047619) internal successors, (836), 725 states have internal predecessors, (836), 95 states have call successors, (95), 83 states have call predecessors, (95), 94 states have return successors, (198), 87 states have call predecessors, (198), 95 states have call successors, (198) [2022-07-21 05:01:56,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1129 transitions. [2022-07-21 05:01:56,720 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1129 transitions. Word has length 80 [2022-07-21 05:01:56,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:56,720 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1129 transitions. [2022-07-21 05:01:56,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-21 05:01:56,721 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1129 transitions. [2022-07-21 05:01:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-21 05:01:56,722 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:56,723 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 05:01:56,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 05:01:56,923 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 [2022-07-21 05:01:56,924 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:56,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:56,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1682583131, now seen corresponding path program 2 times [2022-07-21 05:01:56,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:56,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837216359] [2022-07-21 05:01:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:56,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:01:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:01:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 05:01:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 05:01:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 05:01:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 51 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 05:01:57,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:57,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837216359] [2022-07-21 05:01:57,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837216359] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:01:57,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446265484] [2022-07-21 05:01:57,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 05:01:57,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:01:57,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:01:57,088 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) [2022-07-21 05:01:57,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 05:01:57,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 05:01:57,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 05:01:57,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 05:01:57,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:01:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 05:01:57,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 05:01:57,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446265484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:57,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 05:01:57,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-07-21 05:01:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365887763] [2022-07-21 05:01:57,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:57,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:01:57,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:57,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:01:57,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-21 05:01:57,333 INFO L87 Difference]: Start difference. First operand 862 states and 1129 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-21 05:01:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:57,560 INFO L93 Difference]: Finished difference Result 2363 states and 3215 transitions. [2022-07-21 05:01:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 05:01:57,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 114 [2022-07-21 05:01:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:57,567 INFO L225 Difference]: With dead ends: 2363 [2022-07-21 05:01:57,567 INFO L226 Difference]: Without dead ends: 1613 [2022-07-21 05:01:57,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-07-21 05:01:57,570 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 260 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:57,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 543 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:01:57,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2022-07-21 05:01:57,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1493. [2022-07-21 05:01:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1166 states have (on average 1.2435677530017153) internal successors, (1450), 1246 states have internal predecessors, (1450), 166 states have call successors, (166), 148 states have call predecessors, (166), 160 states have return successors, (304), 150 states have call predecessors, (304), 166 states have call successors, (304) [2022-07-21 05:01:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1920 transitions. [2022-07-21 05:01:57,648 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1920 transitions. Word has length 114 [2022-07-21 05:01:57,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:57,649 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 1920 transitions. [2022-07-21 05:01:57,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-21 05:01:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1920 transitions. [2022-07-21 05:01:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-21 05:01:57,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:57,656 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:57,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 05:01:57,873 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,SelfDestructingSolverStorable10 [2022-07-21 05:01:57,874 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:57,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:57,874 INFO L85 PathProgramCache]: Analyzing trace with hash 2126483805, now seen corresponding path program 1 times [2022-07-21 05:01:57,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:57,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939967316] [2022-07-21 05:01:57,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:57,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:01:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:01:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 05:01:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 05:01:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 05:01:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 05:01:57,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:57,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939967316] [2022-07-21 05:01:57,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939967316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:57,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:57,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 05:01:57,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144309977] [2022-07-21 05:01:57,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:57,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 05:01:57,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:57,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 05:01:57,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:01:57,959 INFO L87 Difference]: Start difference. First operand 1493 states and 1920 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 05:01:58,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:58,125 INFO L93 Difference]: Finished difference Result 2099 states and 2662 transitions. [2022-07-21 05:01:58,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 05:01:58,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 114 [2022-07-21 05:01:58,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:58,126 INFO L225 Difference]: With dead ends: 2099 [2022-07-21 05:01:58,126 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:01:58,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-07-21 05:01:58,130 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 155 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:58,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 305 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:01:58,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:01:58,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:01:58,131 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) [2022-07-21 05:01:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:01:58,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2022-07-21 05:01:58,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:58,132 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:01:58,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 05:01:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:01:58,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:01:58,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:01:58,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 05:01:58,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:02:00,233 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 309 316) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 309 316) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 224 230) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 224 230) the Hoare annotation is: true [2022-07-21 05:02:00,234 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 549 560) the Hoare annotation is: true [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 549 560) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 549 560) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 428 457) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 428 457) the Hoare annotation is: true [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L902 garLoopResultBuilder]: At program point L442-1(lines 442 446) the Hoare annotation is: true [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L902 garLoopResultBuilder]: At program point L438-2(lines 438 452) the Hoare annotation is: true [2022-07-21 05:02:00,234 INFO L902 garLoopResultBuilder]: At program point L434(line 434) the Hoare annotation is: true [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point L434-1(line 434) no Hoare annotation was computed. [2022-07-21 05:02:00,234 INFO L902 garLoopResultBuilder]: At program point L453(lines 428 457) the Hoare annotation is: true [2022-07-21 05:02:00,234 INFO L895 garLoopResultBuilder]: At program point L407(lines 392 410) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-21 05:02:00,234 INFO L899 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L333(lines 328 336) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-21 05:02:00,235 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 200 223) no Hoare annotation was computed. [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L631(lines 626 633) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L598(lines 593 601) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse4 (= 0 ~systemActive~0))) (let ((.cse3 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (and .cse0 .cse8 .cse1 (not .cse4))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) (and .cse2 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse6 .cse3 .cse5) (or .cse6 (and .cse2 .cse8) .cse7 (not (<= 1 |old(~waterLevel~0)|))) (or .cse6 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1))))) [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-21 05:02:00,235 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2022-07-21 05:02:00,235 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L99-1(lines 91 115) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse8 .cse9 .cse6 .cse10 (not .cse2))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse7 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse6 .cse7) .cse1) (or (and .cse8 .cse9 .cse10) (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) .cse5 .cse7) .cse2 .cse3)))) [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse3)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse3 .cse4) (or .cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse4)))) [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L277-1(lines 258 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse4))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2))) (or (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0)) .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-21 05:02:00,235 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2022-07-21 05:02:00,235 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2022-07-21 05:02:00,235 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-07-21 05:02:00,235 INFO L895 garLoopResultBuilder]: At program point L529-2(lines 525 536) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-21 05:02:00,235 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 405) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 200 223) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-21 05:02:00,236 INFO L895 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 274) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 279) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L895 garLoopResultBuilder]: At program point L180(lines 131 181) the Hoare annotation is: false [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L895 garLoopResultBuilder]: At program point L486(lines 482 488) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-21 05:02:00,236 INFO L895 garLoopResultBuilder]: At program point L168-2(lines 162 175) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 158) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L899 garLoopResultBuilder]: For program point L152-1(lines 152 158) no Hoare annotation was computed. [2022-07-21 05:02:00,236 INFO L895 garLoopResultBuilder]: At program point L177(lines 132 179) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-07-21 05:02:00,236 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-07-21 05:02:00,237 INFO L895 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:00,237 INFO L902 garLoopResultBuilder]: At program point L496(lines 489 498) the Hoare annotation is: true [2022-07-21 05:02:00,237 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L133(lines 132 179) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 175) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L509-2(lines 509 516) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L895 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-07-21 05:02:00,237 INFO L902 garLoopResultBuilder]: At program point L183(lines 122 187) the Hoare annotation is: true [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L895 garLoopResultBuilder]: At program point L423(lines 411 425) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L902 garLoopResultBuilder]: At program point L518(lines 499 521) the Hoare annotation is: true [2022-07-21 05:02:00,237 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:00,237 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 232 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2022-07-21 05:02:00,237 INFO L899 garLoopResultBuilder]: For program point L382-2(lines 382 386) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse0 .cse1) (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))))) [2022-07-21 05:02:00,238 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 248) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 253) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point L288(lines 283 290) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-21 05:02:00,238 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 232 256) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-21 05:02:00,238 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 232 256) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point L299-2(lines 292 308) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point L388(lines 373 391) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2))) [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point L324(lines 317 327) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point L611(lines 602 615) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) .cse1))) [2022-07-21 05:02:00,238 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 537 548) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 537 548) no Hoare annotation was computed. [2022-07-21 05:02:00,238 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 537 548) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-21 05:02:00,244 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:00,245 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:02:00,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:02:00 BoogieIcfgContainer [2022-07-21 05:02:00,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:02:00,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:02:00,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:02:00,307 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:02:00,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:53" (3/4) ... [2022-07-21 05:02:00,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:02:00,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 05:02:00,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:02:00,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:02:00,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:02:00,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:02:00,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:02:00,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:02:00,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-07-21 05:02:00,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:02:00,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:02:00,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:02:00,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:02:00,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:00,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:00,358 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-21 05:02:00,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-07-21 05:02:00,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2022-07-21 05:02:00,360 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-21 05:02:00,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-21 05:02:00,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-07-21 05:02:00,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1) [2022-07-21 05:02:00,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel) && 1 <= tmp)) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive)))) && (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) || ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-21 05:02:00,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-21 05:02:00,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-07-21 05:02:00,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-07-21 05:02:00,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-21 05:02:00,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || 0 == systemActive) [2022-07-21 05:02:00,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-07-21 05:02:00,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-07-21 05:02:00,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-07-21 05:02:00,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-07-21 05:02:00,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-07-21 05:02:00,395 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:02:00,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:02:00,396 INFO L158 Benchmark]: Toolchain (without parser) took 8280.62ms. Allocated memory was 62.9MB in the beginning and 184.5MB in the end (delta: 121.6MB). Free memory was 41.7MB in the beginning and 144.6MB in the end (delta: -102.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-07-21 05:02:00,397 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:02:00,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.92ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 38.0MB in the end (delta: 3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 05:02:00,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.70ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 35.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:00,398 INFO L158 Benchmark]: Boogie Preprocessor took 46.10ms. Allocated memory is still 62.9MB. Free memory was 35.4MB in the beginning and 33.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:00,398 INFO L158 Benchmark]: RCFGBuilder took 467.28ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 37.6MB in the end (delta: -3.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-07-21 05:02:00,399 INFO L158 Benchmark]: TraceAbstraction took 7220.79ms. Allocated memory was 62.9MB in the beginning and 184.5MB in the end (delta: 121.6MB). Free memory was 36.9MB in the beginning and 150.9MB in the end (delta: -114.0MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2022-07-21 05:02:00,399 INFO L158 Benchmark]: Witness Printer took 89.28ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 144.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 05:02:00,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.92ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 38.0MB in the end (delta: 3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.70ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 35.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.10ms. Allocated memory is still 62.9MB. Free memory was 35.4MB in the beginning and 33.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.28ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 37.6MB in the end (delta: -3.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7220.79ms. Allocated memory was 62.9MB in the beginning and 184.5MB in the end (delta: 121.6MB). Free memory was 36.9MB in the beginning and 150.9MB in the end (delta: -114.0MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. * Witness Printer took 89.28ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 144.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1829 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1811 mSDsluCounter, 4290 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2962 mSDsCounter, 423 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1956 IncrementalHoareTripleChecker+Invalid, 2379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 423 mSolverCounterUnsat, 1328 mSDtfsCounter, 1956 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 348 SyntacticMatches, 7 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1493occurred in iteration=11, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 484 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2690 PreInvPairs, 2995 NumberOfFragments, 1140 HoareAnnotationTreeSize, 2690 FomulaSimplifications, 3657 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 44 FomulaSimplificationsInter, 23497 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 793 NumberOfCodeBlocks, 793 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 858 ConstructedInterpolants, 0 QuantifiedInterpolants, 1644 SizeOfPredicates, 8 NumberOfNonLiveVariables, 955 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 252/282 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: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel) && 1 <= tmp)) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive)))) && (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) || ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-07-21 05:02:00,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE