./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_spec2_product47.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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:18:32,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:18:32,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:18:32,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:18:32,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:18:32,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:18:32,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:18:32,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:18:32,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:18:32,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:18:32,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:18:32,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:18:32,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:18:32,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:18:32,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:18:32,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:18:32,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:18:32,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:18:32,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:18:32,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:18:32,278 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:18:32,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:18:32,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:18:32,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:18:32,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:18:32,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:18:32,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:18:32,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:18:32,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:18:32,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:18:32,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:18:32,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:18:32,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:18:32,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:18:32,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:18:32,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:18:32,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:18:32,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:18:32,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:18:32,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:18:32,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:18:32,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:18:32,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:18:32,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:18:32,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:18:32,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:18:32,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:18:32,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:18:32,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:18:32,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:18:32,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:18:32,360 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:18:32,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:18:32,361 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:18:32,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:18:32,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:18:32,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:18:32,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:18:32,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:18:32,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:18:32,362 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:18:32,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:18:32,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:18:32,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:18:32,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:18:32,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:18:32,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:18:32,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:32,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:18:32,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:18:32,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:18:32,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:18:32,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:18:32,364 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:18:32,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:18:32,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:18:32,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2022-07-12 06:18:32,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:18:32,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:18:32,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:18:32,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:18:32,785 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:18:32,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2022-07-12 06:18:32,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7f18fd8/08dbd008bc224c4fa1db8d2ac91955b9/FLAGc7179b56b [2022-07-12 06:18:33,535 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:18:33,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2022-07-12 06:18:33,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7f18fd8/08dbd008bc224c4fa1db8d2ac91955b9/FLAGc7179b56b [2022-07-12 06:18:33,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7f18fd8/08dbd008bc224c4fa1db8d2ac91955b9 [2022-07-12 06:18:33,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:18:33,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:18:33,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:33,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:18:33,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:18:33,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:33" (1/1) ... [2022-07-12 06:18:33,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3370c84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:33, skipping insertion in model container [2022-07-12 06:18:33,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:33" (1/1) ... [2022-07-12 06:18:33,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:18:33,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:18:34,115 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_spec2_product47.cil.c[1605,1618] [2022-07-12 06:18:34,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:34,327 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:18:34,341 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_spec2_product47.cil.c[1605,1618] [2022-07-12 06:18:34,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:34,426 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:18:34,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34 WrapperNode [2022-07-12 06:18:34,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:34,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:34,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:18:34,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:18:34,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,520 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 249 [2022-07-12 06:18:34,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:34,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:18:34,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:18:34,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:18:34,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:18:34,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:18:34,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:18:34,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:18:34,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (1/1) ... [2022-07-12 06:18:34,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:34,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:34,661 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) [2022-07-12 06:18:34,696 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 [2022-07-12 06:18:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:18:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:18:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:18:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:18:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:18:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:18:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:18:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:18:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:18:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:18:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:18:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:18:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:18:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-12 06:18:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-12 06:18:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-12 06:18:34,729 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-12 06:18:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:18:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:18:34,729 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:18:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:18:34,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:18:34,839 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:18:34,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:18:35,241 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:18:35,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:18:35,274 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:18:35,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:35 BoogieIcfgContainer [2022-07-12 06:18:35,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:18:35,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:18:35,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:18:35,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:18:35,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:18:33" (1/3) ... [2022-07-12 06:18:35,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80fa1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:35, skipping insertion in model container [2022-07-12 06:18:35,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:34" (2/3) ... [2022-07-12 06:18:35,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80fa1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:35, skipping insertion in model container [2022-07-12 06:18:35,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:35" (3/3) ... [2022-07-12 06:18:35,300 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2022-07-12 06:18:35,314 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:18:35,314 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:18:35,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:18:35,378 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@4599a19b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3dcbee61 [2022-07-12 06:18:35,379 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:18:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-12 06:18:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 06:18:35,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:35,401 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] [2022-07-12 06:18:35,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:35,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:35,414 INFO L85 PathProgramCache]: Analyzing trace with hash -320439114, now seen corresponding path program 1 times [2022-07-12 06:18:35,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:35,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133167936] [2022-07-12 06:18:35,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:35,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:18:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:35,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:35,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133167936] [2022-07-12 06:18:35,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133167936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:35,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:35,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:18:35,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266085455] [2022-07-12 06:18:35,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:35,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:18:35,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:35,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:18:35,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:18:35,810 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:35,880 INFO L93 Difference]: Finished difference Result 195 states and 264 transitions. [2022-07-12 06:18:35,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:18:35,883 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-12 06:18:35,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:35,891 INFO L225 Difference]: With dead ends: 195 [2022-07-12 06:18:35,891 INFO L226 Difference]: Without dead ends: 93 [2022-07-12 06:18:35,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:18:35,905 INFO L413 NwaCegarLoop]: 129 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, 129 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 [2022-07-12 06:18:35,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:35,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-12 06:18:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-07-12 06:18:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 76 states have internal predecessors, (89), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-12 06:18:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2022-07-12 06:18:35,993 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 25 [2022-07-12 06:18:35,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:35,993 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2022-07-12 06:18:35,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2022-07-12 06:18:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 06:18:35,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:35,997 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] [2022-07-12 06:18:35,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:18:35,998 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:35,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:35,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1934434610, now seen corresponding path program 1 times [2022-07-12 06:18:35,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:35,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996942530] [2022-07-12 06:18:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:35,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 06:18:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:36,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:36,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996942530] [2022-07-12 06:18:36,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996942530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:36,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:36,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:18:36,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120391958] [2022-07-12 06:18:36,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:36,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:36,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:36,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:36,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:36,087 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:36,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:36,102 INFO L93 Difference]: Finished difference Result 147 states and 189 transitions. [2022-07-12 06:18:36,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:36,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-12 06:18:36,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:36,105 INFO L225 Difference]: With dead ends: 147 [2022-07-12 06:18:36,105 INFO L226 Difference]: Without dead ends: 84 [2022-07-12 06:18:36,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:36,111 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 16 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 193 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 [2022-07-12 06:18:36,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:36,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-12 06:18:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-12 06:18:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 70 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-12 06:18:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-07-12 06:18:36,123 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 26 [2022-07-12 06:18:36,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:36,124 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-07-12 06:18:36,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-07-12 06:18:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-12 06:18:36,129 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:36,129 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] [2022-07-12 06:18:36,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:18:36,129 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:36,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:36,130 INFO L85 PathProgramCache]: Analyzing trace with hash -172475024, now seen corresponding path program 1 times [2022-07-12 06:18:36,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:36,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583722079] [2022-07-12 06:18:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:36,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:36,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:36,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:36,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583722079] [2022-07-12 06:18:36,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583722079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:36,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:36,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:36,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571282640] [2022-07-12 06:18:36,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:36,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:36,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:36,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:36,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:36,242 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:36,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:36,521 INFO L93 Difference]: Finished difference Result 278 states and 365 transitions. [2022-07-12 06:18:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:18:36,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-12 06:18:36,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:36,526 INFO L225 Difference]: With dead ends: 278 [2022-07-12 06:18:36,528 INFO L226 Difference]: Without dead ends: 202 [2022-07-12 06:18:36,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:18:36,530 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 288 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:36,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 468 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-07-12 06:18:36,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 196. [2022-07-12 06:18:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 143 states have (on average 1.3566433566433567) internal successors, (194), 161 states have internal predecessors, (194), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 23 states have call predecessors, (32), 31 states have call successors, (32) [2022-07-12 06:18:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2022-07-12 06:18:36,608 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 257 transitions. Word has length 30 [2022-07-12 06:18:36,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:36,608 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 257 transitions. [2022-07-12 06:18:36,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 257 transitions. [2022-07-12 06:18:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-12 06:18:36,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:36,609 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] [2022-07-12 06:18:36,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:18:36,610 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:36,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:36,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1019876102, now seen corresponding path program 1 times [2022-07-12 06:18:36,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:36,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327466893] [2022-07-12 06:18:36,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:36,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:36,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:36,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327466893] [2022-07-12 06:18:36,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327466893] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:36,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:36,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:36,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525624788] [2022-07-12 06:18:36,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:36,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:36,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:36,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:36,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:36,766 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-07-12 06:18:36,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:36,916 INFO L93 Difference]: Finished difference Result 570 states and 759 transitions. [2022-07-12 06:18:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:18:36,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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 34 [2022-07-12 06:18:36,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:36,923 INFO L225 Difference]: With dead ends: 570 [2022-07-12 06:18:36,923 INFO L226 Difference]: Without dead ends: 382 [2022-07-12 06:18:36,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:18:36,931 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 76 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:36,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 532 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:36,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-07-12 06:18:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 373. [2022-07-12 06:18:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 268 states have (on average 1.335820895522388) internal successors, (358), 303 states have internal predecessors, (358), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 46 states have call predecessors, (67), 62 states have call successors, (67) [2022-07-12 06:18:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 487 transitions. [2022-07-12 06:18:37,006 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 487 transitions. Word has length 34 [2022-07-12 06:18:37,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:37,006 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 487 transitions. [2022-07-12 06:18:37,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-07-12 06:18:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 487 transitions. [2022-07-12 06:18:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-12 06:18:37,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:37,010 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] [2022-07-12 06:18:37,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:18:37,010 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:37,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:37,011 INFO L85 PathProgramCache]: Analyzing trace with hash 292189750, now seen corresponding path program 1 times [2022-07-12 06:18:37,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:37,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369129368] [2022-07-12 06:18:37,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:37,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:18:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:37,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:37,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369129368] [2022-07-12 06:18:37,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369129368] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:37,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:37,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:37,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509471825] [2022-07-12 06:18:37,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:37,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:37,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:37,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:37,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:37,149 INFO L87 Difference]: Start difference. First operand 373 states and 487 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:18:37,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:37,542 INFO L93 Difference]: Finished difference Result 924 states and 1225 transitions. [2022-07-12 06:18:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:18:37,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-12 06:18:37,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:37,546 INFO L225 Difference]: With dead ends: 924 [2022-07-12 06:18:37,547 INFO L226 Difference]: Without dead ends: 559 [2022-07-12 06:18:37,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:18:37,549 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 129 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:37,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 204 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:18:37,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-07-12 06:18:37,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 540. [2022-07-12 06:18:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 391 states have (on average 1.2710997442455243) internal successors, (497), 428 states have internal predecessors, (497), 80 states have call successors, (80), 68 states have call predecessors, (80), 68 states have return successors, (105), 74 states have call predecessors, (105), 80 states have call successors, (105) [2022-07-12 06:18:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 682 transitions. [2022-07-12 06:18:37,618 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 682 transitions. Word has length 38 [2022-07-12 06:18:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:37,619 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 682 transitions. [2022-07-12 06:18:37,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:18:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 682 transitions. [2022-07-12 06:18:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-12 06:18:37,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:37,622 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:37,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:18:37,622 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:37,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:37,623 INFO L85 PathProgramCache]: Analyzing trace with hash 363168403, now seen corresponding path program 1 times [2022-07-12 06:18:37,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:37,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910043129] [2022-07-12 06:18:37,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:37,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:18:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 06:18:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:37,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:37,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910043129] [2022-07-12 06:18:37,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910043129] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:37,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:37,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:18:37,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804502107] [2022-07-12 06:18:37,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:37,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:37,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:37,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:37,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:37,766 INFO L87 Difference]: Start difference. First operand 540 states and 682 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:18:38,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:38,762 INFO L93 Difference]: Finished difference Result 1772 states and 2353 transitions. [2022-07-12 06:18:38,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 06:18:38,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-07-12 06:18:38,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:38,768 INFO L225 Difference]: With dead ends: 1772 [2022-07-12 06:18:38,769 INFO L226 Difference]: Without dead ends: 1240 [2022-07-12 06:18:38,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-07-12 06:18:38,773 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 355 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:38,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 237 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 06:18:38,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-07-12 06:18:38,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1058. [2022-07-12 06:18:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 783 states have (on average 1.240102171136654) internal successors, (971), 836 states have internal predecessors, (971), 146 states have call successors, (146), 122 states have call predecessors, (146), 128 states have return successors, (220), 142 states have call predecessors, (220), 146 states have call successors, (220) [2022-07-12 06:18:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1337 transitions. [2022-07-12 06:18:38,877 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1337 transitions. Word has length 60 [2022-07-12 06:18:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:38,878 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1337 transitions. [2022-07-12 06:18:38,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:18:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1337 transitions. [2022-07-12 06:18:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-12 06:18:38,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:38,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:38,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:18:38,882 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:38,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:38,882 INFO L85 PathProgramCache]: Analyzing trace with hash 435554961, now seen corresponding path program 1 times [2022-07-12 06:18:38,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:38,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188968690] [2022-07-12 06:18:38,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:38,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:38,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:38,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:18:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:38,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 06:18:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:38,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:38,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188968690] [2022-07-12 06:18:38,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188968690] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:38,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:38,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:18:38,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314988124] [2022-07-12 06:18:38,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:38,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:38,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:38,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:38,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:38,989 INFO L87 Difference]: Start difference. First operand 1058 states and 1337 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-12 06:18:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:39,333 INFO L93 Difference]: Finished difference Result 2174 states and 2827 transitions. [2022-07-12 06:18:39,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:18:39,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-12 06:18:39,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:39,352 INFO L225 Difference]: With dead ends: 2174 [2022-07-12 06:18:39,353 INFO L226 Difference]: Without dead ends: 1124 [2022-07-12 06:18:39,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:18:39,358 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 136 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:39,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 223 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:18:39,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-07-12 06:18:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1082. [2022-07-12 06:18:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 807 states have (on average 1.2329615861214374) internal successors, (995), 860 states have internal predecessors, (995), 146 states have call successors, (146), 122 states have call predecessors, (146), 128 states have return successors, (220), 142 states have call predecessors, (220), 146 states have call successors, (220) [2022-07-12 06:18:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1361 transitions. [2022-07-12 06:18:39,471 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1361 transitions. Word has length 60 [2022-07-12 06:18:39,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:39,473 INFO L495 AbstractCegarLoop]: Abstraction has 1082 states and 1361 transitions. [2022-07-12 06:18:39,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-12 06:18:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1361 transitions. [2022-07-12 06:18:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-12 06:18:39,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:39,477 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:39,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:18:39,478 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:39,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:39,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1137154835, now seen corresponding path program 1 times [2022-07-12 06:18:39,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:39,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561074693] [2022-07-12 06:18:39,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:39,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:18:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 06:18:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:39,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:39,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561074693] [2022-07-12 06:18:39,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561074693] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:39,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:39,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:39,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337877116] [2022-07-12 06:18:39,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:39,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:39,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:39,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:39,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:39,594 INFO L87 Difference]: Start difference. First operand 1082 states and 1361 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-12 06:18:40,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:40,085 INFO L93 Difference]: Finished difference Result 1974 states and 2521 transitions. [2022-07-12 06:18:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:18:40,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-12 06:18:40,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:40,090 INFO L225 Difference]: With dead ends: 1974 [2022-07-12 06:18:40,091 INFO L226 Difference]: Without dead ends: 900 [2022-07-12 06:18:40,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:18:40,096 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 137 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:40,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 195 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 06:18:40,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2022-07-12 06:18:40,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 886. [2022-07-12 06:18:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 659 states have (on average 1.2154779969650986) internal successors, (801), 702 states have internal predecessors, (801), 120 states have call successors, (120), 100 states have call predecessors, (120), 106 states have return successors, (162), 116 states have call predecessors, (162), 120 states have call successors, (162) [2022-07-12 06:18:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1083 transitions. [2022-07-12 06:18:40,139 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1083 transitions. Word has length 60 [2022-07-12 06:18:40,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:40,139 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1083 transitions. [2022-07-12 06:18:40,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-12 06:18:40,140 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1083 transitions. [2022-07-12 06:18:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-12 06:18:40,141 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:40,141 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:40,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:18:40,141 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:40,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:40,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1046043951, now seen corresponding path program 1 times [2022-07-12 06:18:40,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:40,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911267580] [2022-07-12 06:18:40,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:40,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:40,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:18:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:40,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:18:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:18:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 06:18:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:18:40,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:40,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911267580] [2022-07-12 06:18:40,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911267580] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:40,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475944260] [2022-07-12 06:18:40,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:40,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:40,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:40,355 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) [2022-07-12 06:18:40,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:18:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:40,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 06:18:40,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:40,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:18:40,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475944260] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:40,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:18:40,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-07-12 06:18:40,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288220313] [2022-07-12 06:18:40,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:40,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:18:40,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:40,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:18:40,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-12 06:18:40,853 INFO L87 Difference]: Start difference. First operand 886 states and 1083 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-12 06:18:41,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:41,061 INFO L93 Difference]: Finished difference Result 1738 states and 2130 transitions. [2022-07-12 06:18:41,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:18:41,061 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2022-07-12 06:18:41,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:41,065 INFO L225 Difference]: With dead ends: 1738 [2022-07-12 06:18:41,065 INFO L226 Difference]: Without dead ends: 860 [2022-07-12 06:18:41,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-12 06:18:41,067 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 71 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:41,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1050 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:41,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-07-12 06:18:41,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 856. [2022-07-12 06:18:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 635 states have (on average 1.1984251968503936) internal successors, (761), 676 states have internal predecessors, (761), 118 states have call successors, (118), 100 states have call predecessors, (118), 102 states have return successors, (143), 112 states have call predecessors, (143), 118 states have call successors, (143) [2022-07-12 06:18:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1022 transitions. [2022-07-12 06:18:41,153 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1022 transitions. Word has length 64 [2022-07-12 06:18:41,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:41,153 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1022 transitions. [2022-07-12 06:18:41,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-12 06:18:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1022 transitions. [2022-07-12 06:18:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-12 06:18:41,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:41,156 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:41,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:41,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:41,357 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:41,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:41,357 INFO L85 PathProgramCache]: Analyzing trace with hash 2119698815, now seen corresponding path program 1 times [2022-07-12 06:18:41,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:41,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194172148] [2022-07-12 06:18:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:41,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:18:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:18:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:18:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 06:18:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:18:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 06:18:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 06:18:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 06:18:41,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:41,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194172148] [2022-07-12 06:18:41,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194172148] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:41,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489709417] [2022-07-12 06:18:41,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:41,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:41,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:41,611 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) [2022-07-12 06:18:41,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 06:18:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:41,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 06:18:41,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 06:18:42,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:18:42,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489709417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:42,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:18:42,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-07-12 06:18:42,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188321869] [2022-07-12 06:18:42,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:42,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:42,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:42,400 INFO L87 Difference]: Start difference. First operand 856 states and 1022 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-12 06:18:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:42,471 INFO L93 Difference]: Finished difference Result 1790 states and 2233 transitions. [2022-07-12 06:18:42,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:42,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-12 06:18:42,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:42,491 INFO L225 Difference]: With dead ends: 1790 [2022-07-12 06:18:42,496 INFO L226 Difference]: Without dead ends: 1186 [2022-07-12 06:18:42,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:42,514 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 34 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:42,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:42,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2022-07-12 06:18:42,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1176. [2022-07-12 06:18:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 867 states have (on average 1.2018454440599768) internal successors, (1042), 926 states have internal predecessors, (1042), 162 states have call successors, (162), 146 states have call predecessors, (162), 146 states have return successors, (236), 156 states have call predecessors, (236), 162 states have call successors, (236) [2022-07-12 06:18:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1440 transitions. [2022-07-12 06:18:42,607 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1440 transitions. Word has length 108 [2022-07-12 06:18:42,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:42,608 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1440 transitions. [2022-07-12 06:18:42,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-12 06:18:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1440 transitions. [2022-07-12 06:18:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-12 06:18:42,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:42,615 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:42,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:42,830 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,SelfDestructingSolverStorable9 [2022-07-12 06:18:42,830 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:42,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:42,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1331262979, now seen corresponding path program 1 times [2022-07-12 06:18:42,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:42,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485715154] [2022-07-12 06:18:42,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:42,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:42,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:42,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:42,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:42,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:18:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:18:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:42,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:18:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:43,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 06:18:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:18:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 06:18:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 06:18:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-12 06:18:43,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:43,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485715154] [2022-07-12 06:18:43,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485715154] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:43,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126883843] [2022-07-12 06:18:43,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:43,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:43,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:43,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:18:43,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 06:18:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:43,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 06:18:43,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-12 06:18:43,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:18:43,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126883843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:43,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:18:43,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-07-12 06:18:43,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179354828] [2022-07-12 06:18:43,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:43,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:18:43,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:43,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:18:43,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-12 06:18:43,293 INFO L87 Difference]: Start difference. First operand 1176 states and 1440 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-12 06:18:43,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:43,429 INFO L93 Difference]: Finished difference Result 2016 states and 2496 transitions. [2022-07-12 06:18:43,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:18:43,430 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-12 06:18:43,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:43,431 INFO L225 Difference]: With dead ends: 2016 [2022-07-12 06:18:43,431 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:18:43,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-07-12 06:18:43,435 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 76 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:43,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 857 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:43,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:18:43,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:18:43,437 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) [2022-07-12 06:18:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:18:43,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-07-12 06:18:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:43,437 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:18:43,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-12 06:18:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:18:43,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:18:43,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:18:43,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:43,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:43,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:18:48,689 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 818 825) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-07-12 06:18:48,689 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 818 825) no Hoare annotation was computed. [2022-07-12 06:18:48,689 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 818 825) no Hoare annotation was computed. [2022-07-12 06:18:48,689 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2022-07-12 06:18:48,689 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2022-07-12 06:18:48,689 INFO L899 garLoopResultBuilder]: For program point L640-1(lines 636 647) no Hoare annotation was computed. [2022-07-12 06:18:48,689 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 636 647) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse1 (= 0 ~systemActive~0)))) [2022-07-12 06:18:48,689 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 636 647) no Hoare annotation was computed. [2022-07-12 06:18:48,689 INFO L895 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse9 (not .cse6))) (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 2 ~waterLevel~0) .cse9)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse4) (or .cse7 .cse2 .cse6 .cse8) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse3 .cse2 .cse5) (or .cse1 .cse4 .cse6))))) [2022-07-12 06:18:48,690 INFO L895 garLoopResultBuilder]: At program point L787-1(lines 768 792) the Hoare annotation is: (let ((.cse11 (= 0 ~systemActive~0))) (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse12 (not .cse11))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse6 .cse12)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and .cse9 .cse10 .cse12)) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse5) (or .cse0 .cse7 .cse2 .cse8) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse4) (or .cse9 .cse10 .cse3 .cse4 .cse11) (or .cse1 (and .cse10 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse2 .cse11))))) [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 710 733) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 496) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 499) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L895 garLoopResultBuilder]: At program point L482-1(lines 474 502) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse13 (not .cse8)) (.cse12 (= ~pumpRunning~0 0)) (.cse11 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~3#1| 0))) (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and .cse12 .cse11)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and .cse11 .cse1 .cse13)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse7 .cse2 .cse8 .cse9 (and .cse10 .cse11)) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse12 .cse4) (or .cse0 .cse7 .cse2 .cse9) (or (and .cse10 .cse12 .cse13) (and .cse12 (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse13) .cse4 .cse8))))) [2022-07-12 06:18:48,690 INFO L895 garLoopResultBuilder]: At program point L842(lines 837 845) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse0 (<= 2 ~waterLevel~0) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)) (or .cse0 (and .cse3 .cse4) .cse2) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) (and .cse3 .cse4 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse5) (or .cse1 .cse5))) [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L714-1(lines 713 732) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 784) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 493) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 789) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2022-07-12 06:18:48,690 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 612 623) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-07-12 06:18:48,691 INFO L895 garLoopResultBuilder]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (and .cse1 (not .cse10))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse4) (or .cse0 .cse7 .cse8 .cse2) (or (and .cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse4 (and .cse9 .cse7) .cse10) (or .cse9 .cse7 .cse8 .cse2 .cse10)))) [2022-07-12 06:18:48,691 INFO L899 garLoopResultBuilder]: For program point L480-1(line 480) no Hoare annotation was computed. [2022-07-12 06:18:48,691 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or .cse3 .cse1))) [2022-07-12 06:18:48,691 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 710 733) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse6 .cse1 .cse7) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse7) (or .cse4 .cse8 .cse1) (or .cse9 .cse1 .cse2) (or .cse4 .cse8 .cse5) (or .cse9 .cse5 .cse2))) [2022-07-12 06:18:48,691 INFO L895 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2022-07-12 06:18:48,691 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 710 733) no Hoare annotation was computed. [2022-07-12 06:18:48,691 INFO L895 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (or .cse0 .cse2) (or .cse4 .cse1 .cse3))) [2022-07-12 06:18:48,691 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-12 06:18:48,691 INFO L895 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-07-12 06:18:48,691 INFO L899 garLoopResultBuilder]: For program point L774-1(line 774) no Hoare annotation was computed. [2022-07-12 06:18:48,691 INFO L902 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: true [2022-07-12 06:18:48,691 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 506 535) no Hoare annotation was computed. [2022-07-12 06:18:48,691 INFO L899 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 506 535) the Hoare annotation is: true [2022-07-12 06:18:48,692 INFO L902 garLoopResultBuilder]: At program point L531(lines 506 535) the Hoare annotation is: true [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L902 garLoopResultBuilder]: At program point L520-1(lines 520 524) the Hoare annotation is: true [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point L517(line 517) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L902 garLoopResultBuilder]: At program point L516-2(lines 516 530) the Hoare annotation is: true [2022-07-12 06:18:48,692 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 648 656) the Hoare annotation is: true [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 648 656) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 648 656) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L902 garLoopResultBuilder]: At program point L601(lines 582 604) the Hoare annotation is: true [2022-07-12 06:18:48,692 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:18:48,692 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point L928(lines 927 974) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 970) no Hoare annotation was computed. [2022-07-12 06:18:48,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:18:48,693 INFO L895 garLoopResultBuilder]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-12 06:18:48,693 INFO L902 garLoopResultBuilder]: At program point L978(lines 917 982) the Hoare annotation is: true [2022-07-12 06:18:48,693 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2022-07-12 06:18:48,693 INFO L899 garLoopResultBuilder]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2022-07-12 06:18:48,693 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2022-07-12 06:18:48,693 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:18:48,693 INFO L895 garLoopResultBuilder]: At program point L471(lines 466 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:18:48,693 INFO L895 garLoopResultBuilder]: At program point L913(lines 901 915) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1))) [2022-07-12 06:18:48,693 INFO L895 garLoopResultBuilder]: At program point L975(lines 926 976) the Hoare annotation is: false [2022-07-12 06:18:48,693 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2022-07-12 06:18:48,693 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2022-07-12 06:18:48,693 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 969) no Hoare annotation was computed. [2022-07-12 06:18:48,693 INFO L902 garLoopResultBuilder]: At program point L579(lines 571 581) the Hoare annotation is: true [2022-07-12 06:18:48,693 INFO L895 garLoopResultBuilder]: At program point L963-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse3 .cse2 .cse4) (and .cse1 .cse2 .cse4))) [2022-07-12 06:18:48,693 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:18:48,693 INFO L895 garLoopResultBuilder]: At program point L567(lines 563 569) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:18:48,694 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 599) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point L592-2(lines 592 599) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L895 garLoopResultBuilder]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-12 06:18:48,694 INFO L895 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 624 635) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 624 635) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= ~waterLevel~0 1)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse2 (= 0 ~systemActive~0) .cse6) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6))) [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point L628-1(lines 624 635) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L895 garLoopResultBuilder]: At program point L698(lines 689 702) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse10 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse11 (<= 2 ~waterLevel~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse4 .cse6 .cse10 .cse11)) (.cse0 (not .cse11)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse6 .cse10 .cse11)) (.cse5 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse3) (or .cse7 .cse8 .cse0 .cse9 .cse3) (or .cse7 .cse8 (and .cse5 .cse6) .cse9 .cse3)))) [2022-07-12 06:18:48,694 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6) .cse7 .cse4) (or .cse1 (and .cse5 .cse6) .cse2 .cse4) (or .cse0 .cse7 .cse3 .cse4))) [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 758) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 763) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2022-07-12 06:18:48,694 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1) .cse2))) [2022-07-12 06:18:48,695 INFO L895 garLoopResultBuilder]: At program point L808-2(lines 801 817) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1|) .cse0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-07-12 06:18:48,695 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-07-12 06:18:48,695 INFO L895 garLoopResultBuilder]: At program point L897(lines 882 900) the Hoare annotation is: (let ((.cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse6 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse7 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|)) (.cse8 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse9 (= 0 ~systemActive~0))) (and (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not .cse2) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse2 .cse8 .cse4) .cse9)) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse8) (and .cse0 .cse1 .cse3) (not (<= 1 ~methaneLevelCritical~0)) .cse9))) [2022-07-12 06:18:48,695 INFO L895 garLoopResultBuilder]: At program point L798(lines 793 800) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-07-12 06:18:48,709 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 895) no Hoare annotation was computed. [2022-07-12 06:18:48,709 INFO L899 garLoopResultBuilder]: For program point L891-2(lines 891 895) no Hoare annotation was computed. [2022-07-12 06:18:48,710 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-07-12 06:18:48,716 INFO L899 garLoopResultBuilder]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2022-07-12 06:18:48,716 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2022-07-12 06:18:48,716 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 742 766) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-07-12 06:18:48,716 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 742 766) no Hoare annotation was computed. [2022-07-12 06:18:48,716 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 826 836) the Hoare annotation is: true [2022-07-12 06:18:48,717 INFO L902 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: true [2022-07-12 06:18:48,717 INFO L899 garLoopResultBuilder]: For program point L831-1(line 831) no Hoare annotation was computed. [2022-07-12 06:18:48,717 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 826 836) no Hoare annotation was computed. [2022-07-12 06:18:48,717 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 826 836) no Hoare annotation was computed. [2022-07-12 06:18:48,719 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:48,721 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:18:48,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:18:48 BoogieIcfgContainer [2022-07-12 06:18:48,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:18:48,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:18:48,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:18:48,776 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:18:48,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:35" (3/4) ... [2022-07-12 06:18:48,778 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:18:48,799 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-12 06:18:48,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:18:48,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:18:48,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:18:48,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:18:48,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:18:48,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:18:48,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:18:48,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-12 06:18:48,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-12 06:18:48,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:18:48,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:18:48,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:18:48,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:18:48,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:18:48,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:18:48,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-12 06:18:48,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-12 06:18:48,833 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-12 06:18:48,834 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:48,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-12 06:18:48,836 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((((pumpRunning == 0 && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && 1 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-12 06:18:48,836 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && (((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((pumpRunning == 0 && \result == 0) && 1 <= tmp)) || 0 == systemActive)) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-07-12 06:18:48,836 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:48,836 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:48,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-12 06:18:48,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-07-12 06:18:48,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-12 06:18:48,870 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:18:48,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:18:48,871 INFO L158 Benchmark]: Toolchain (without parser) took 15051.68ms. Allocated memory was 86.0MB in the beginning and 182.5MB in the end (delta: 96.5MB). Free memory was 62.2MB in the beginning and 103.8MB in the end (delta: -41.6MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2022-07-12 06:18:48,871 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:18:48,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.47ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 51.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 06:18:48,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.34ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:18:48,879 INFO L158 Benchmark]: Boogie Preprocessor took 61.63ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:18:48,879 INFO L158 Benchmark]: RCFGBuilder took 691.51ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.3MB in the beginning and 81.2MB in the end (delta: -33.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-07-12 06:18:48,880 INFO L158 Benchmark]: TraceAbstraction took 13497.76ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 80.6MB in the beginning and 110.1MB in the end (delta: -29.5MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2022-07-12 06:18:48,880 INFO L158 Benchmark]: Witness Printer took 94.63ms. Allocated memory is still 182.5MB. Free memory was 110.1MB in the beginning and 103.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:18:48,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.47ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 51.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.34ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.63ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 691.51ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.3MB in the beginning and 81.2MB in the end (delta: -33.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13497.76ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 80.6MB in the beginning and 110.1MB in the end (delta: -29.5MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * Witness Printer took 94.63ms. Allocated memory is still 182.5MB. Free memory was 110.1MB in the beginning and 103.8MB 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: 54]: 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 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1344 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1318 mSDsluCounter, 4349 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2926 mSDsCounter, 361 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1692 IncrementalHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 361 mSolverCounterUnsat, 1423 mSDtfsCounter, 1692 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 479 GetRequests, 377 SyntacticMatches, 4 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1176occurred in iteration=10, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 286 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 3139 PreInvPairs, 3608 NumberOfFragments, 1917 HoareAnnotationTreeSize, 3139 FomulaSimplifications, 412 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 46 FomulaSimplificationsInter, 20342 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 1583 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1381 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 183/191 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: 80]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) || ((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && (((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((pumpRunning == 0 && \result == 0) && 1 <= tmp)) || 0 == systemActive)) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((((pumpRunning == 0 && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && 1 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((!(2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) || ((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || ((methaneLevelCritical == 0 && splverifierCounter == 0) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:18:48,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE