./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product51.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 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:39:59,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:39:59,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:39:59,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:39:59,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:39:59,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:39:59,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:39:59,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:39:59,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:39:59,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:39:59,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:39:59,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:39:59,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:39:59,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:39:59,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:39:59,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:39:59,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:39:59,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:39:59,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:39:59,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:39:59,831 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:39:59,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:39:59,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:39:59,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:39:59,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:39:59,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:39:59,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:39:59,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:39:59,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:39:59,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:39:59,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:39:59,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:39:59,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:39:59,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:39:59,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:39:59,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:39:59,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:39:59,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:39:59,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:39:59,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:39:59,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:39:59,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:39:59,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:39:59,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:39:59,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:39:59,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:39:59,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:39:59,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:39:59,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:39:59,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:39:59,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:39:59,868 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:39:59,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:39:59,869 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:39:59,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:39:59,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:39:59,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:39:59,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:39:59,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:39:59,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:39:59,870 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:39:59,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:39:59,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:39:59,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:39:59,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:39:59,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:39:59,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:39:59,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:59,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:39:59,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:39:59,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:39:59,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:39:59,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:39:59,872 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:39:59,872 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:39:59,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:39:59,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2022-07-22 17:40:00,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:40:00,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:40:00,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:40:00,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:40:00,147 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:40:00,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2022-07-22 17:40:00,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbe9b07ad/a65a2be74c42472c9c328564482059e4/FLAG82c3a1390 [2022-07-22 17:40:00,588 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:40:00,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2022-07-22 17:40:00,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbe9b07ad/a65a2be74c42472c9c328564482059e4/FLAG82c3a1390 [2022-07-22 17:40:00,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbe9b07ad/a65a2be74c42472c9c328564482059e4 [2022-07-22 17:40:00,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:40:00,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:40:00,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:40:00,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:40:00,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:40:00,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:40:00" (1/1) ... [2022-07-22 17:40:00,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ea80b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00, skipping insertion in model container [2022-07-22 17:40:00,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:40:00" (1/1) ... [2022-07-22 17:40:00,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:40:00,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:40:00,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2022-07-22 17:40:00,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:40:00,926 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:40:00,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2022-07-22 17:40:00,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:40:01,003 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:40:01,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01 WrapperNode [2022-07-22 17:40:01,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:40:01,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:40:01,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:40:01,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:40:01,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,042 INFO L137 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 265 [2022-07-22 17:40:01,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:40:01,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:40:01,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:40:01,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:40:01,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:40:01,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:40:01,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:40:01,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:40:01,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (1/1) ... [2022-07-22 17:40:01,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:40:01,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:01,116 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) [2022-07-22 17:40:01,135 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 [2022-07-22 17:40:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:40:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:40:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:40:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:40:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:40:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:40:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:40:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:40:01,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:40:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:40:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:40:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-22 17:40:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-22 17:40:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:40:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:40:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:40:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:40:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:40:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:40:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:40:01,201 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:40:01,203 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:40:01,411 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:40:01,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:40:01,421 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:40:01,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:40:01 BoogieIcfgContainer [2022-07-22 17:40:01,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:40:01,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:40:01,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:40:01,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:40:01,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:40:00" (1/3) ... [2022-07-22 17:40:01,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2daf86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:40:01, skipping insertion in model container [2022-07-22 17:40:01,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:01" (2/3) ... [2022-07-22 17:40:01,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2daf86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:40:01, skipping insertion in model container [2022-07-22 17:40:01,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:40:01" (3/3) ... [2022-07-22 17:40:01,431 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2022-07-22 17:40:01,444 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:40:01,445 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:40:01,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:40:01,497 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@387f8cde, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5befa7dd [2022-07-22 17:40:01,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:40:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-22 17:40:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 17:40:01,516 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,516 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:01,517 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,522 INFO L85 PathProgramCache]: Analyzing trace with hash 764297473, now seen corresponding path program 1 times [2022-07-22 17:40:01,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929405668] [2022-07-22 17:40:01,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:40:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:40:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:01,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929405668] [2022-07-22 17:40:01,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929405668] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:40:01,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717355747] [2022-07-22 17:40:01,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:40:01,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:40:01,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:40:01,755 INFO L87 Difference]: Start difference. First operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:40:01,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:01,778 INFO L93 Difference]: Finished difference Result 189 states and 256 transitions. [2022-07-22 17:40:01,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:40:01,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-22 17:40:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:01,797 INFO L225 Difference]: With dead ends: 189 [2022-07-22 17:40:01,798 INFO L226 Difference]: Without dead ends: 90 [2022-07-22 17:40:01,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:40:01,807 INFO L413 NwaCegarLoop]: 125 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, 125 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 [2022-07-22 17:40:01,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:40:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-07-22 17:40:01,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-07-22 17:40:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 76 states have internal predecessors, (89), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:40:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2022-07-22 17:40:01,870 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 32 [2022-07-22 17:40:01,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,871 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2022-07-22 17:40:01,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:40:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2022-07-22 17:40:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-22 17:40:01,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,876 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] [2022-07-22 17:40:01,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:40:01,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,878 INFO L85 PathProgramCache]: Analyzing trace with hash -297054839, now seen corresponding path program 1 times [2022-07-22 17:40:01,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031425210] [2022-07-22 17:40:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:40:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:02,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:02,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031425210] [2022-07-22 17:40:02,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031425210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:02,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:02,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:40:02,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750152575] [2022-07-22 17:40:02,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:02,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:40:02,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:02,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:40:02,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:40:02,006 INFO L87 Difference]: Start difference. First operand 90 states and 116 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:40:02,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:02,224 INFO L93 Difference]: Finished difference Result 309 states and 412 transitions. [2022-07-22 17:40:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:40:02,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-07-22 17:40:02,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:02,232 INFO L225 Difference]: With dead ends: 309 [2022-07-22 17:40:02,232 INFO L226 Difference]: Without dead ends: 227 [2022-07-22 17:40:02,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:40:02,239 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 239 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:02,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 589 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:40:02,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-07-22 17:40:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2022-07-22 17:40:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.329268292682927) internal successors, (218), 182 states have internal predecessors, (218), 37 states have call successors, (37), 22 states have call predecessors, (37), 19 states have return successors, (37), 26 states have call predecessors, (37), 34 states have call successors, (37) [2022-07-22 17:40:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2022-07-22 17:40:02,290 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 37 [2022-07-22 17:40:02,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:02,290 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2022-07-22 17:40:02,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:40:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2022-07-22 17:40:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-22 17:40:02,292 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:02,292 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] [2022-07-22 17:40:02,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:40:02,293 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:02,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:02,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1133604870, now seen corresponding path program 1 times [2022-07-22 17:40:02,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:02,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605045590] [2022-07-22 17:40:02,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:40:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:40:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 17:40:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:02,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:02,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605045590] [2022-07-22 17:40:02,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605045590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:02,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:02,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 17:40:02,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942352958] [2022-07-22 17:40:02,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:02,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 17:40:02,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:02,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 17:40:02,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 17:40:02,380 INFO L87 Difference]: Start difference. First operand 221 states and 292 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:40:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:02,457 INFO L93 Difference]: Finished difference Result 370 states and 484 transitions. [2022-07-22 17:40:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 17:40:02,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2022-07-22 17:40:02,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:02,460 INFO L225 Difference]: With dead ends: 370 [2022-07-22 17:40:02,460 INFO L226 Difference]: Without dead ends: 222 [2022-07-22 17:40:02,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 17:40:02,462 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 69 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:02,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 190 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-07-22 17:40:02,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 194. [2022-07-22 17:40:02,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 164 states have internal predecessors, (197), 28 states have call successors, (28), 19 states have call predecessors, (28), 19 states have return successors, (29), 20 states have call predecessors, (29), 28 states have call successors, (29) [2022-07-22 17:40:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-07-22 17:40:02,484 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 43 [2022-07-22 17:40:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:02,484 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-07-22 17:40:02,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:40:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-07-22 17:40:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-22 17:40:02,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:02,486 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:02,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:40:02,486 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:02,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:02,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1125311, now seen corresponding path program 1 times [2022-07-22 17:40:02,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:02,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669002294] [2022-07-22 17:40:02,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:02,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:40:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:40:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 17:40:02,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:02,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669002294] [2022-07-22 17:40:02,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669002294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:02,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:02,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:40:02,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277419541] [2022-07-22 17:40:02,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:02,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:40:02,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:02,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:40:02,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:40:02,608 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:40:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:02,702 INFO L93 Difference]: Finished difference Result 478 states and 641 transitions. [2022-07-22 17:40:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:40:02,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-07-22 17:40:02,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:02,705 INFO L225 Difference]: With dead ends: 478 [2022-07-22 17:40:02,705 INFO L226 Difference]: Without dead ends: 292 [2022-07-22 17:40:02,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:40:02,707 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 49 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:02,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 497 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:02,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-07-22 17:40:02,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 275. [2022-07-22 17:40:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 207 states have (on average 1.289855072463768) internal successors, (267), 224 states have internal predecessors, (267), 37 states have call successors, (37), 30 states have call predecessors, (37), 30 states have return successors, (47), 34 states have call predecessors, (47), 37 states have call successors, (47) [2022-07-22 17:40:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 351 transitions. [2022-07-22 17:40:02,727 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 351 transitions. Word has length 41 [2022-07-22 17:40:02,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:02,728 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 351 transitions. [2022-07-22 17:40:02,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:40:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 351 transitions. [2022-07-22 17:40:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 17:40:02,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:02,729 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] [2022-07-22 17:40:02,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:40:02,730 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:02,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:02,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1784621037, now seen corresponding path program 1 times [2022-07-22 17:40:02,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:02,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288996924] [2022-07-22 17:40:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:40:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 17:40:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:02,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:02,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288996924] [2022-07-22 17:40:02,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288996924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:02,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:02,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:40:02,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363655796] [2022-07-22 17:40:02,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:02,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:40:02,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:02,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:40:02,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:40:02,782 INFO L87 Difference]: Start difference. First operand 275 states and 351 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:02,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:02,881 INFO L93 Difference]: Finished difference Result 602 states and 780 transitions. [2022-07-22 17:40:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:40:02,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-07-22 17:40:02,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:02,884 INFO L225 Difference]: With dead ends: 602 [2022-07-22 17:40:02,884 INFO L226 Difference]: Without dead ends: 335 [2022-07-22 17:40:02,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:40:02,886 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 68 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:02,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 397 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:02,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-07-22 17:40:02,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 327. [2022-07-22 17:40:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 249 states have (on average 1.2730923694779117) internal successors, (317), 266 states have internal predecessors, (317), 41 states have call successors, (41), 30 states have call predecessors, (41), 36 states have return successors, (57), 42 states have call predecessors, (57), 41 states have call successors, (57) [2022-07-22 17:40:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 415 transitions. [2022-07-22 17:40:02,904 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 415 transitions. Word has length 51 [2022-07-22 17:40:02,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:02,905 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 415 transitions. [2022-07-22 17:40:02,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 415 transitions. [2022-07-22 17:40:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 17:40:02,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:02,906 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] [2022-07-22 17:40:02,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:40:02,907 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:02,907 INFO L85 PathProgramCache]: Analyzing trace with hash 95677295, now seen corresponding path program 1 times [2022-07-22 17:40:02,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:02,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835663253] [2022-07-22 17:40:02,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:02,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:40:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 17:40:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:02,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:02,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835663253] [2022-07-22 17:40:02,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835663253] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:02,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:02,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:40:02,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195550209] [2022-07-22 17:40:02,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:02,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:40:02,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:02,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:40:02,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:40:02,957 INFO L87 Difference]: Start difference. First operand 327 states and 415 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:03,057 INFO L93 Difference]: Finished difference Result 664 states and 863 transitions. [2022-07-22 17:40:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:40:03,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-07-22 17:40:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:03,062 INFO L225 Difference]: With dead ends: 664 [2022-07-22 17:40:03,062 INFO L226 Difference]: Without dead ends: 345 [2022-07-22 17:40:03,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:40:03,070 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 70 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:03,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 312 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-07-22 17:40:03,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 331. [2022-07-22 17:40:03,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 253 states have (on average 1.2687747035573123) internal successors, (321), 270 states have internal predecessors, (321), 41 states have call successors, (41), 30 states have call predecessors, (41), 36 states have return successors, (57), 42 states have call predecessors, (57), 41 states have call successors, (57) [2022-07-22 17:40:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 419 transitions. [2022-07-22 17:40:03,096 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 419 transitions. Word has length 51 [2022-07-22 17:40:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:03,097 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 419 transitions. [2022-07-22 17:40:03,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 419 transitions. [2022-07-22 17:40:03,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 17:40:03,098 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:03,099 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] [2022-07-22 17:40:03,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:40:03,099 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:03,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash 518379121, now seen corresponding path program 1 times [2022-07-22 17:40:03,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:03,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631581310] [2022-07-22 17:40:03,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:03,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:40:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 17:40:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:03,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:03,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631581310] [2022-07-22 17:40:03,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631581310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:03,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:03,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:40:03,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911988148] [2022-07-22 17:40:03,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:03,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:40:03,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:03,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:40:03,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:40:03,189 INFO L87 Difference]: Start difference. First operand 331 states and 419 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:03,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:03,375 INFO L93 Difference]: Finished difference Result 996 states and 1308 transitions. [2022-07-22 17:40:03,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:40:03,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-07-22 17:40:03,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:03,381 INFO L225 Difference]: With dead ends: 996 [2022-07-22 17:40:03,381 INFO L226 Difference]: Without dead ends: 673 [2022-07-22 17:40:03,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:40:03,384 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 222 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:03,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 341 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:03,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-07-22 17:40:03,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 666. [2022-07-22 17:40:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 505 states have (on average 1.2356435643564356) internal successors, (624), 534 states have internal predecessors, (624), 88 states have call successors, (88), 71 states have call predecessors, (88), 72 states have return successors, (133), 86 states have call predecessors, (133), 88 states have call successors, (133) [2022-07-22 17:40:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 845 transitions. [2022-07-22 17:40:03,424 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 845 transitions. Word has length 51 [2022-07-22 17:40:03,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:03,425 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 845 transitions. [2022-07-22 17:40:03,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 845 transitions. [2022-07-22 17:40:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 17:40:03,426 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:03,426 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:03,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:40:03,427 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:03,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:03,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1241994025, now seen corresponding path program 1 times [2022-07-22 17:40:03,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:03,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281069447] [2022-07-22 17:40:03,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:03,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:40:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 17:40:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 17:40:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:03,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:03,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281069447] [2022-07-22 17:40:03,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281069447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:03,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:03,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 17:40:03,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367314453] [2022-07-22 17:40:03,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:03,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 17:40:03,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:03,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 17:40:03,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:40:03,559 INFO L87 Difference]: Start difference. First operand 666 states and 845 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:40:04,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:04,262 INFO L93 Difference]: Finished difference Result 2083 states and 2763 transitions. [2022-07-22 17:40:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-22 17:40:04,263 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2022-07-22 17:40:04,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:04,269 INFO L225 Difference]: With dead ends: 2083 [2022-07-22 17:40:04,269 INFO L226 Difference]: Without dead ends: 1562 [2022-07-22 17:40:04,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-07-22 17:40:04,272 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 577 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:04,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 916 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 17:40:04,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2022-07-22 17:40:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1268. [2022-07-22 17:40:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 963 states have (on average 1.2315680166147456) internal successors, (1186), 1025 states have internal predecessors, (1186), 165 states have call successors, (165), 123 states have call predecessors, (165), 139 states have return successors, (253), 162 states have call predecessors, (253), 165 states have call successors, (253) [2022-07-22 17:40:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1604 transitions. [2022-07-22 17:40:04,348 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1604 transitions. Word has length 55 [2022-07-22 17:40:04,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:04,348 INFO L495 AbstractCegarLoop]: Abstraction has 1268 states and 1604 transitions. [2022-07-22 17:40:04,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:40:04,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1604 transitions. [2022-07-22 17:40:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-22 17:40:04,350 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:04,351 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:04,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:40:04,351 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:04,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:04,351 INFO L85 PathProgramCache]: Analyzing trace with hash 311034572, now seen corresponding path program 1 times [2022-07-22 17:40:04,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:04,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784545713] [2022-07-22 17:40:04,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:04,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 17:40:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 17:40:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 17:40:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 17:40:04,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:04,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784545713] [2022-07-22 17:40:04,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784545713] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:04,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203780628] [2022-07-22 17:40:04,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:04,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:04,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:04,495 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) [2022-07-22 17:40:04,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:40:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:40:04,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:40:04,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 17:40:04,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203780628] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:04,830 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:04,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-07-22 17:40:04,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934654156] [2022-07-22 17:40:04,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:04,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-22 17:40:04,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:04,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-22 17:40:04,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-22 17:40:04,832 INFO L87 Difference]: Start difference. First operand 1268 states and 1604 transitions. Second operand has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-22 17:40:05,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:05,767 INFO L93 Difference]: Finished difference Result 2866 states and 3791 transitions. [2022-07-22 17:40:05,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-22 17:40:05,768 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 96 [2022-07-22 17:40:05,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:05,775 INFO L225 Difference]: With dead ends: 2866 [2022-07-22 17:40:05,777 INFO L226 Difference]: Without dead ends: 1737 [2022-07-22 17:40:05,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=429, Invalid=2121, Unknown=0, NotChecked=0, Total=2550 [2022-07-22 17:40:05,783 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 441 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:05,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 1576 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 17:40:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2022-07-22 17:40:05,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1422. [2022-07-22 17:40:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 1064 states have (on average 1.211466165413534) internal successors, (1289), 1146 states have internal predecessors, (1289), 192 states have call successors, (192), 158 states have call predecessors, (192), 165 states have return successors, (262), 173 states have call predecessors, (262), 192 states have call successors, (262) [2022-07-22 17:40:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1743 transitions. [2022-07-22 17:40:05,878 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1743 transitions. Word has length 96 [2022-07-22 17:40:05,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:05,878 INFO L495 AbstractCegarLoop]: Abstraction has 1422 states and 1743 transitions. [2022-07-22 17:40:05,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-22 17:40:05,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1743 transitions. [2022-07-22 17:40:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-22 17:40:05,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:05,882 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:05,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:40:06,101 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 [2022-07-22 17:40:06,101 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:06,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:06,101 INFO L85 PathProgramCache]: Analyzing trace with hash -562445059, now seen corresponding path program 1 times [2022-07-22 17:40:06,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:06,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602053728] [2022-07-22 17:40:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:06,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:40:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 17:40:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 17:40:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 17:40:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-22 17:40:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-22 17:40:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-07-22 17:40:06,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:06,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602053728] [2022-07-22 17:40:06,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602053728] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:06,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:06,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 17:40:06,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629930633] [2022-07-22 17:40:06,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:06,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 17:40:06,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:06,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 17:40:06,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:40:06,178 INFO L87 Difference]: Start difference. First operand 1422 states and 1743 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:40:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:06,438 INFO L93 Difference]: Finished difference Result 2795 states and 3462 transitions. [2022-07-22 17:40:06,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 17:40:06,439 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 175 [2022-07-22 17:40:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:06,444 INFO L225 Difference]: With dead ends: 2795 [2022-07-22 17:40:06,444 INFO L226 Difference]: Without dead ends: 1512 [2022-07-22 17:40:06,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:40:06,447 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 190 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:06,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 509 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:06,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-07-22 17:40:06,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1440. [2022-07-22 17:40:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1082 states have (on average 1.2079482439926064) internal successors, (1307), 1164 states have internal predecessors, (1307), 192 states have call successors, (192), 158 states have call predecessors, (192), 165 states have return successors, (262), 173 states have call predecessors, (262), 192 states have call successors, (262) [2022-07-22 17:40:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1761 transitions. [2022-07-22 17:40:06,507 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1761 transitions. Word has length 175 [2022-07-22 17:40:06,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:06,507 INFO L495 AbstractCegarLoop]: Abstraction has 1440 states and 1761 transitions. [2022-07-22 17:40:06,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:40:06,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1761 transitions. [2022-07-22 17:40:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-22 17:40:06,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:06,513 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:06,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 17:40:06,513 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:06,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash 116827195, now seen corresponding path program 1 times [2022-07-22 17:40:06,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:06,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300245768] [2022-07-22 17:40:06,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:06,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:40:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 17:40:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 17:40:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 17:40:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-22 17:40:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-22 17:40:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 30 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-22 17:40:06,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:06,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300245768] [2022-07-22 17:40:06,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300245768] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:06,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097961717] [2022-07-22 17:40:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:06,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:06,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:06,666 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) [2022-07-22 17:40:06,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 17:40:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:06,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 17:40:06,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 140 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-22 17:40:07,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 78 proven. 44 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-22 17:40:07,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097961717] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:07,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:07,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2022-07-22 17:40:07,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665828065] [2022-07-22 17:40:07,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:07,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-22 17:40:07,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:07,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-22 17:40:07,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2022-07-22 17:40:07,415 INFO L87 Difference]: Start difference. First operand 1440 states and 1761 transitions. Second operand has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) [2022-07-22 17:40:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:08,661 INFO L93 Difference]: Finished difference Result 3171 states and 4000 transitions. [2022-07-22 17:40:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-22 17:40:08,662 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) Word has length 175 [2022-07-22 17:40:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:08,670 INFO L225 Difference]: With dead ends: 3171 [2022-07-22 17:40:08,670 INFO L226 Difference]: Without dead ends: 1739 [2022-07-22 17:40:08,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 374 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=484, Invalid=1678, Unknown=0, NotChecked=0, Total=2162 [2022-07-22 17:40:08,675 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 783 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:08,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1153 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 17:40:08,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2022-07-22 17:40:08,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1583. [2022-07-22 17:40:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1193 states have (on average 1.1911148365465214) internal successors, (1421), 1274 states have internal predecessors, (1421), 214 states have call successors, (214), 178 states have call predecessors, (214), 175 states have return successors, (281), 186 states have call predecessors, (281), 214 states have call successors, (281) [2022-07-22 17:40:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 1916 transitions. [2022-07-22 17:40:08,754 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 1916 transitions. Word has length 175 [2022-07-22 17:40:08,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:08,754 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 1916 transitions. [2022-07-22 17:40:08,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) [2022-07-22 17:40:08,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1916 transitions. [2022-07-22 17:40:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-22 17:40:08,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:08,758 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 17:40:08,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-22 17:40:08,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-22 17:40:08,992 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:08,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:08,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1085491549, now seen corresponding path program 1 times [2022-07-22 17:40:08,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:08,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364662945] [2022-07-22 17:40:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:08,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:40:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:40:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:40:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:40:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 17:40:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 17:40:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-22 17:40:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-22 17:40:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 95 proven. 45 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-07-22 17:40:09,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:09,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364662945] [2022-07-22 17:40:09,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364662945] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:09,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285998386] [2022-07-22 17:40:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:09,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:09,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:09,144 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) [2022-07-22 17:40:09,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 17:40:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:09,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 17:40:09,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 177 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-22 17:40:09,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 99 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-22 17:40:09,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285998386] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:09,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:09,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2022-07-22 17:40:09,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934487685] [2022-07-22 17:40:09,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:09,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-22 17:40:09,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:09,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-22 17:40:09,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-07-22 17:40:09,645 INFO L87 Difference]: Start difference. First operand 1583 states and 1916 transitions. Second operand has 22 states, 22 states have (on average 9.590909090909092) internal successors, (211), 16 states have internal predecessors, (211), 6 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (32), 9 states have call predecessors, (32), 6 states have call successors, (32) [2022-07-22 17:40:10,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:10,450 INFO L93 Difference]: Finished difference Result 3115 states and 3828 transitions. [2022-07-22 17:40:10,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 17:40:10,451 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.590909090909092) internal successors, (211), 16 states have internal predecessors, (211), 6 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (32), 9 states have call predecessors, (32), 6 states have call successors, (32) Word has length 187 [2022-07-22 17:40:10,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:10,457 INFO L225 Difference]: With dead ends: 3115 [2022-07-22 17:40:10,457 INFO L226 Difference]: Without dead ends: 1671 [2022-07-22 17:40:10,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 410 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=326, Invalid=1654, Unknown=0, NotChecked=0, Total=1980 [2022-07-22 17:40:10,461 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 456 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:10,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 1172 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 17:40:10,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2022-07-22 17:40:10,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1562. [2022-07-22 17:40:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1179 states have (on average 1.179813401187447) internal successors, (1391), 1255 states have internal predecessors, (1391), 201 states have call successors, (201), 179 states have call predecessors, (201), 181 states have return successors, (259), 181 states have call predecessors, (259), 201 states have call successors, (259) [2022-07-22 17:40:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 1851 transitions. [2022-07-22 17:40:10,526 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 1851 transitions. Word has length 187 [2022-07-22 17:40:10,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:10,526 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 1851 transitions. [2022-07-22 17:40:10,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.590909090909092) internal successors, (211), 16 states have internal predecessors, (211), 6 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (32), 9 states have call predecessors, (32), 6 states have call successors, (32) [2022-07-22 17:40:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1851 transitions. [2022-07-22 17:40:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-22 17:40:10,530 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:10,530 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 17:40:10,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 17:40:10,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:10,749 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:10,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:10,749 INFO L85 PathProgramCache]: Analyzing trace with hash -230206383, now seen corresponding path program 1 times [2022-07-22 17:40:10,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:10,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726428540] [2022-07-22 17:40:10,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:10,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:40:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:40:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 17:40:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:40:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-22 17:40:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-22 17:40:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-22 17:40:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-22 17:40:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 86 proven. 43 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-22 17:40:10,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:10,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726428540] [2022-07-22 17:40:10,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726428540] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:10,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243256165] [2022-07-22 17:40:10,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:10,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:10,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:10,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:40:10,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 17:40:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:11,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-22 17:40:11,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 122 proven. 26 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-22 17:40:11,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 95 proven. 47 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-07-22 17:40:11,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243256165] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:11,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:11,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 13] total 22 [2022-07-22 17:40:11,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116320395] [2022-07-22 17:40:11,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:11,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-22 17:40:11,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:11,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-22 17:40:11,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2022-07-22 17:40:11,648 INFO L87 Difference]: Start difference. First operand 1562 states and 1851 transitions. Second operand has 22 states, 22 states have (on average 9.954545454545455) internal successors, (219), 19 states have internal predecessors, (219), 13 states have call successors, (39), 10 states have call predecessors, (39), 13 states have return successors, (35), 13 states have call predecessors, (35), 13 states have call successors, (35) [2022-07-22 17:40:12,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:12,668 INFO L93 Difference]: Finished difference Result 3020 states and 3644 transitions. [2022-07-22 17:40:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-07-22 17:40:12,669 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.954545454545455) internal successors, (219), 19 states have internal predecessors, (219), 13 states have call successors, (39), 10 states have call predecessors, (39), 13 states have return successors, (35), 13 states have call predecessors, (35), 13 states have call successors, (35) Word has length 188 [2022-07-22 17:40:12,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:12,676 INFO L225 Difference]: With dead ends: 3020 [2022-07-22 17:40:12,676 INFO L226 Difference]: Without dead ends: 2153 [2022-07-22 17:40:12,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 413 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=786, Invalid=2294, Unknown=0, NotChecked=0, Total=3080 [2022-07-22 17:40:12,680 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 1007 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:12,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 1150 Invalid, 1600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 17:40:12,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2022-07-22 17:40:12,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 1949. [2022-07-22 17:40:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1949 states, 1470 states have (on average 1.1782312925170069) internal successors, (1732), 1561 states have internal predecessors, (1732), 253 states have call successors, (253), 225 states have call predecessors, (253), 225 states have return successors, (320), 229 states have call predecessors, (320), 253 states have call successors, (320) [2022-07-22 17:40:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2305 transitions. [2022-07-22 17:40:12,774 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2305 transitions. Word has length 188 [2022-07-22 17:40:12,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:12,775 INFO L495 AbstractCegarLoop]: Abstraction has 1949 states and 2305 transitions. [2022-07-22 17:40:12,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.954545454545455) internal successors, (219), 19 states have internal predecessors, (219), 13 states have call successors, (39), 10 states have call predecessors, (39), 13 states have return successors, (35), 13 states have call predecessors, (35), 13 states have call successors, (35) [2022-07-22 17:40:12,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2305 transitions. [2022-07-22 17:40:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-22 17:40:12,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:12,779 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:12,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 17:40:12,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:12,997 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:12,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:12,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1335730334, now seen corresponding path program 1 times [2022-07-22 17:40:12,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:12,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700871841] [2022-07-22 17:40:12,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:12,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:40:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:40:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 17:40:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:40:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-22 17:40:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-22 17:40:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-22 17:40:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-22 17:40:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-22 17:40:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-22 17:40:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 113 proven. 4 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-22 17:40:13,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:13,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700871841] [2022-07-22 17:40:13,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700871841] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:13,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189955632] [2022-07-22 17:40:13,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:13,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:13,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:13,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:40:13,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 17:40:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 17:40:13,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-07-22 17:40:13,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:40:13,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189955632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:13,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:40:13,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2022-07-22 17:40:13,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809640873] [2022-07-22 17:40:13,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:13,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:40:13,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:13,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:40:13,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:40:13,252 INFO L87 Difference]: Start difference. First operand 1949 states and 2305 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-22 17:40:13,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:13,305 INFO L93 Difference]: Finished difference Result 2308 states and 2734 transitions. [2022-07-22 17:40:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:40:13,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 226 [2022-07-22 17:40:13,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:13,308 INFO L225 Difference]: With dead ends: 2308 [2022-07-22 17:40:13,308 INFO L226 Difference]: Without dead ends: 802 [2022-07-22 17:40:13,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:40:13,311 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 13 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:13,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 237 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:40:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2022-07-22 17:40:13,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 802. [2022-07-22 17:40:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 606 states have (on average 1.1435643564356435) internal successors, (693), 640 states have internal predecessors, (693), 103 states have call successors, (103), 92 states have call predecessors, (103), 92 states have return successors, (127), 94 states have call predecessors, (127), 103 states have call successors, (127) [2022-07-22 17:40:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 923 transitions. [2022-07-22 17:40:13,352 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 923 transitions. Word has length 226 [2022-07-22 17:40:13,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:13,352 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 923 transitions. [2022-07-22 17:40:13,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-22 17:40:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 923 transitions. [2022-07-22 17:40:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-22 17:40:13,355 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:13,356 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:13,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 17:40:13,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-22 17:40:13,574 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash -908168253, now seen corresponding path program 1 times [2022-07-22 17:40:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:13,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745691973] [2022-07-22 17:40:13,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:13,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:40:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:40:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 17:40:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:40:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-22 17:40:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-22 17:40:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:40:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:40:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-22 17:40:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-22 17:40:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-22 17:40:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-22 17:40:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 151 proven. 69 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-07-22 17:40:13,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:13,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745691973] [2022-07-22 17:40:13,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745691973] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:13,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994842260] [2022-07-22 17:40:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:13,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:13,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:13,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:40:13,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 17:40:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:13,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-22 17:40:13,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 139 proven. 89 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-07-22 17:40:14,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 92 proven. 138 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-22 17:40:14,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994842260] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:14,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:14,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 16] total 29 [2022-07-22 17:40:14,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049070092] [2022-07-22 17:40:14,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:14,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-22 17:40:14,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:14,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-22 17:40:14,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=647, Unknown=0, NotChecked=0, Total=812 [2022-07-22 17:40:14,636 INFO L87 Difference]: Start difference. First operand 802 states and 923 transitions. Second operand has 29 states, 29 states have (on average 9.551724137931034) internal successors, (277), 26 states have internal predecessors, (277), 15 states have call successors, (48), 10 states have call predecessors, (48), 15 states have return successors, (49), 15 states have call predecessors, (49), 15 states have call successors, (49) [2022-07-22 17:40:16,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:16,202 INFO L93 Difference]: Finished difference Result 1394 states and 1627 transitions. [2022-07-22 17:40:16,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-07-22 17:40:16,202 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.551724137931034) internal successors, (277), 26 states have internal predecessors, (277), 15 states have call successors, (48), 10 states have call predecessors, (48), 15 states have return successors, (49), 15 states have call predecessors, (49), 15 states have call successors, (49) Word has length 238 [2022-07-22 17:40:16,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:16,203 INFO L225 Difference]: With dead ends: 1394 [2022-07-22 17:40:16,203 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:40:16,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 528 SyntacticMatches, 5 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1213, Invalid=4337, Unknown=0, NotChecked=0, Total=5550 [2022-07-22 17:40:16,206 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1488 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 1281 SdHoareTripleChecker+Invalid, 2160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 631 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:16,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 1281 Invalid, 2160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [631 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 17:40:16,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:40:16,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:40:16,207 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) [2022-07-22 17:40:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:40:16,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2022-07-22 17:40:16,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:16,207 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:40:16,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.551724137931034) internal successors, (277), 26 states have internal predecessors, (277), 15 states have call successors, (48), 10 states have call predecessors, (48), 15 states have return successors, (49), 15 states have call predecessors, (49), 15 states have call successors, (49) [2022-07-22 17:40:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:40:16,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:40:16,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:40:16,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 17:40:16,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-22 17:40:16,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:40:25,759 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 160 167) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:25,759 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2022-07-22 17:40:25,759 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 160 167) no Hoare annotation was computed. [2022-07-22 17:40:25,760 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-07-22 17:40:25,760 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-07-22 17:40:25,760 INFO L899 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2022-07-22 17:40:25,760 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 877 888) the Hoare annotation is: true [2022-07-22 17:40:25,760 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2022-07-22 17:40:25,760 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 279 308) no Hoare annotation was computed. [2022-07-22 17:40:25,760 INFO L902 garLoopResultBuilder]: At program point L289-2(lines 289 303) the Hoare annotation is: true [2022-07-22 17:40:25,760 INFO L902 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: true [2022-07-22 17:40:25,761 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 279 308) the Hoare annotation is: true [2022-07-22 17:40:25,761 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2022-07-22 17:40:25,761 INFO L902 garLoopResultBuilder]: At program point L304(lines 279 308) the Hoare annotation is: true [2022-07-22 17:40:25,761 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2022-07-22 17:40:25,761 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 297) no Hoare annotation was computed. [2022-07-22 17:40:25,761 INFO L902 garLoopResultBuilder]: At program point L293-1(lines 293 297) the Hoare annotation is: true [2022-07-22 17:40:25,762 INFO L899 garLoopResultBuilder]: For program point L290(line 290) no Hoare annotation was computed. [2022-07-22 17:40:25,762 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2022-07-22 17:40:25,762 INFO L895 garLoopResultBuilder]: At program point L857-2(lines 853 864) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or (let ((.cse3 (+ ~waterLevel~0 1))) (and .cse2 (< 0 .cse3) (<= .cse3 |old(~waterLevel~0)|) .cse4)) .cse5 .cse6 (and .cse2 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse5 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse4) .cse1) (or .cse0 .cse5 .cse1))) [2022-07-22 17:40:25,763 INFO L895 garLoopResultBuilder]: At program point L977(line 977) the Hoare annotation is: (let ((.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and (= ~pumpRunning~0 0) .cse8 .cse9)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse4 .cse2 .cse6 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse5) (or .cse2 .cse6 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse7)))) [2022-07-22 17:40:25,763 INFO L899 garLoopResultBuilder]: For program point L977-1(line 977) no Hoare annotation was computed. [2022-07-22 17:40:25,763 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-07-22 17:40:25,763 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-07-22 17:40:25,764 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-07-22 17:40:25,764 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-07-22 17:40:25,764 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-07-22 17:40:25,764 INFO L899 garLoopResultBuilder]: For program point L994(lines 994 1004) no Hoare annotation was computed. [2022-07-22 17:40:25,764 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 1007) no Hoare annotation was computed. [2022-07-22 17:40:25,765 INFO L895 garLoopResultBuilder]: At program point L990-1(lines 982 1010) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse14 (not (= 0 ~systemActive~0))) (.cse4 (= |timeShift_isLowWaterLevel_~tmp~3#1| 1)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 1)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse20 (= 2 ~waterLevel~0)) (.cse12 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse13 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse19 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|)) (.cse7 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse15 (= ~pumpRunning~0 0)) (.cse16 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse21 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse18 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not .cse5)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse22 (<= ~waterLevel~0 0))) (and (or (not (< 0 (+ |old(~waterLevel~0)| 1))) .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (not (<= |old(~waterLevel~0)| 0)) .cse9) (or .cse10 (not (< 1 |old(~waterLevel~0)|)) .cse11 (and .cse12 .cse13) .cse14) (or .cse10 (and .cse15 .cse16 .cse17 .cse18 .cse19) (and .cse15 .cse20 .cse19) .cse11 .cse14) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse16 .cse17 .cse4 .cse5 .cse6 .cse7 .cse21 .cse18 .cse8 (= ~waterLevel~0 0)) (and .cse15 .cse16 .cse5 .cse22 .cse18 .cse19 .cse8) (and .cse2 .cse3 .cse16 .cse17 .cse5 .cse7 .cse22 .cse18 .cse19 .cse8) .cse9) (or .cse10 (and .cse15 .cse12 (<= 2 ~waterLevel~0) .cse5 .cse19 .cse13) .cse0 (and .cse2 .cse20 .cse12 .cse19 .cse13) .cse11 (and .cse15 .cse16 .cse17 .cse5 .cse18 .cse19)) (let ((.cse23 (not .cse22))) (or (and .cse2 .cse3 .cse23 .cse16 .cse17 .cse5 .cse7 .cse21 .cse18 .cse8) (and .cse15 .cse23 .cse16 .cse5 .cse21 .cse18 .cse8) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))))) [2022-07-22 17:40:25,766 INFO L895 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse4 (= |timeShift_isLowWaterSensorDry_#res#1| 1)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or (not (< 0 (+ |old(~waterLevel~0)| 1))) .cse2 .cse3 .cse4 (not (<= |old(~waterLevel~0)| 0)) .cse5) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 (= ~waterLevel~0 1) .cse7) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse6 .cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse7 (= ~waterLevel~0 0)) .cse2 .cse3 (and .cse6 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse5) (or .cse0 .cse2 .cse1))) [2022-07-22 17:40:25,766 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2022-07-22 17:40:25,766 INFO L899 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2022-07-22 17:40:25,767 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 256) no Hoare annotation was computed. [2022-07-22 17:40:25,767 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 256) no Hoare annotation was computed. [2022-07-22 17:40:25,767 INFO L895 garLoopResultBuilder]: At program point L979(lines 972 981) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or .cse0 (and (= ~pumpRunning~0 0) .cse3) .cse4 (not (= 0 ~systemActive~0))) (or .cse5 .cse1 .cse6 (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse5 .cse1 .cse6 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-22 17:40:25,767 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse10 (= |timeShift_isLowWaterLevel_~tmp~3#1| 1)) (.cse11 (= |timeShift_isLowWaterSensorDry_#res#1| 1)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= ~waterLevel~0 0)) (.cse5 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse4)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4 .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse8 .cse9 (and .cse2 .cse3 .cse10 .cse4 .cse11 .cse5 .cse12 .cse7 (= ~waterLevel~0 0)) .cse13) (or (not (< 0 (+ |old(~waterLevel~0)| 1))) .cse8 .cse9 (and .cse10 .cse11) (not (<= |old(~waterLevel~0)| 0)) .cse13) (or .cse8 .cse9 (and .cse2 .cse3 (not .cse6) .cse4 .cse5 .cse12 .cse7) (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse8 .cse1)))) [2022-07-22 17:40:25,767 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (<= |old(~waterLevel~0)| 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5 .cse6 .cse7) (or .cse4 .cse5 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse1) (or (not (< 0 (+ |old(~waterLevel~0)| 1))) .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse4 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse7))) [2022-07-22 17:40:25,768 INFO L895 garLoopResultBuilder]: At program point L992(line 992) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse4 (= |timeShift_isLowWaterLevel_~tmp~3#1| 1)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 1)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not (= 0 ~systemActive~0))) (.cse16 (= ~waterLevel~0 0)) (.cse17 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (= ~pumpRunning~0 0)) (.cse0 (not .cse5)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (not (<= ~waterLevel~0 0))) (.cse12 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse7 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (< 0 (+ |old(~waterLevel~0)| 1))) .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (not (<= |old(~waterLevel~0)| 0)) .cse9) (or (not (<= |old(~waterLevel~0)| 1)) .cse10 (and .cse11 .cse12 .cse13 .cse14) .cse15) (or (and .cse2 .cse3 .cse12 .cse4 .cse5 .cse6 .cse7 .cse13 .cse8 .cse16) (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse9) (or .cse10 .cse0 (and .cse11 .cse12 (<= ~waterLevel~0 1) .cse13 .cse14) .cse17) (or .cse10 (not (< 1 |old(~waterLevel~0)|)) .cse17 .cse15) (or (and .cse11 .cse12 .cse13 .cse14 .cse8) .cse0 .cse1 (and (or .cse18 .cse16) .cse19) .cse17 (and .cse2 .cse3 .cse12 .cse5 .cse7 .cse13 .cse14 .cse8) .cse9) (or (and .cse11 .cse18 .cse12 .cse19 .cse13 .cse8) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) (and .cse2 .cse3 .cse18 .cse12 .cse5 .cse7 .cse19 .cse13 .cse8))))) [2022-07-22 17:40:25,768 INFO L899 garLoopResultBuilder]: For program point L992-1(line 992) no Hoare annotation was computed. [2022-07-22 17:40:25,768 INFO L895 garLoopResultBuilder]: At program point L959(lines 954 961) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1))) [2022-07-22 17:40:25,768 INFO L895 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0)) (.cse17 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse16 (= ~pumpRunning~0 0)) (.cse12 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (= |timeShift_isLowWaterLevel_~tmp~3#1| 1)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 1)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (and .cse16 .cse12 .cse13)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse22 (and .cse16 .cse17 .cse13)) (.cse21 (not (= 0 ~systemActive~0))) (.cse18 (<= ~waterLevel~0 0)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse0 (not .cse5)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse20 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (< 0 (+ |old(~waterLevel~0)| 1))) .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (not (<= |old(~waterLevel~0)| 0)) .cse9) (or .cse10 .cse11 .cse0 (and .cse2 .cse12 .cse13) .cse14 (not (<= 2 |old(~waterLevel~0)|))) (or .cse15 .cse0 .cse1 (and .cse16 .cse17 .cse18 .cse13 .cse8) (and .cse2 .cse3 .cse17 .cse5 .cse7 .cse18 .cse13 .cse8) (and .cse2 .cse3 .cse17 .cse4 .cse5 .cse6 .cse7 .cse19 .cse8 (= ~waterLevel~0 0)) .cse9) (or .cse10 .cse11 .cse20 .cse14 .cse21) (or .cse15 .cse11 .cse0 .cse22) (or .cse15 .cse11 .cse22 .cse21) (or (and .cse16 (not .cse18) .cse17 .cse19 .cse8) .cse0 .cse1 .cse20 (and .cse3 .cse17 .cse7 (= ~waterLevel~0 1) .cse8) .cse14)))) [2022-07-22 17:40:25,768 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse2 (not (= 0 ~systemActive~0))) (or .cse1 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:40:25,768 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 127 151) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse11 (<= ~waterLevel~0 0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |timeShift_isLowWaterLevel_~tmp~3#1| 1)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 1)) (.cse7 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse15 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (= ~pumpRunning~0 0)) (.cse0 (not .cse5)) (.cse13 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (< 0 (+ |old(~waterLevel~0)| 1))) .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (not (<= |old(~waterLevel~0)| 0)) .cse9) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse10 (not .cse11) .cse12 .cse8) (and .cse3 .cse7 (= ~waterLevel~0 1) .cse8) .cse13) (or (and .cse10 .cse11 .cse14 .cse8) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse5 .cse7 .cse11 .cse14 .cse8) .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse12 .cse8 (= ~waterLevel~0 0)) .cse9) (or .cse15 .cse13 (not (= 0 ~systemActive~0))) (or .cse15 (and .cse10 .cse14) .cse0 .cse13 (and .cse2 (= 2 ~waterLevel~0) .cse14))))) [2022-07-22 17:40:25,769 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and (= ~pumpRunning~0 0) .cse8 .cse9)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse4 .cse2 .cse6 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse5) (or .cse2 .cse6 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse7)))) [2022-07-22 17:40:25,769 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-07-22 17:40:25,769 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-07-22 17:40:25,769 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2022-07-22 17:40:25,769 INFO L895 garLoopResultBuilder]: At program point L258(lines 243 261) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= |timeShift_isLowWaterLevel_#res#1| 0)) (.cse7 (= |timeShift_isLowWaterLevel_~tmp~3#1| 1)) (.cse8 (= |timeShift_isLowWaterSensorDry_#res#1| 1)) (.cse9 (= |timeShift_isLowWaterLevel_~tmp___0~1#1| 0)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse5) (and .cse4 .cse6 .cse7 .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 (= ~waterLevel~0 0) .cse9) .cse10) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1) (or (not (< 0 (+ |old(~waterLevel~0)| 1))) (and .cse6 .cse7 .cse8 .cse9) .cse2 .cse3 (not (<= |old(~waterLevel~0)| 0)) .cse10) (or .cse0 .cse2 .cse1))) [2022-07-22 17:40:25,769 INFO L895 garLoopResultBuilder]: At program point L440(lines 391 441) the Hoare annotation is: false [2022-07-22 17:40:25,769 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 434) no Hoare annotation was computed. [2022-07-22 17:40:25,770 INFO L895 garLoopResultBuilder]: At program point L428-2(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res#1| 1) .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 (<= ~waterLevel~0 1) .cse1 .cse5 .cse2 .cse6 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse6) (and .cse4 (= 2 ~waterLevel~0) .cse1 .cse5 .cse2 .cse6))) [2022-07-22 17:40:25,770 INFO L895 garLoopResultBuilder]: At program point L969(lines 964 971) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:25,770 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:40:25,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:40:25,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:40:25,770 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2022-07-22 17:40:25,770 INFO L899 garLoopResultBuilder]: For program point L412-1(lines 412 418) no Hoare annotation was computed. [2022-07-22 17:40:25,770 INFO L895 garLoopResultBuilder]: At program point L437(lines 392 439) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse9 (= 0 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse6 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse8 .cse6 .cse2 .cse4 .cse9) (and .cse0 .cse1 .cse8 .cse2 .cse4 .cse9) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:40:25,771 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse9 (= 0 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse6 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse8 .cse6 .cse2 .cse4 .cse9) (and .cse0 .cse1 .cse8 .cse2 .cse4 .cse9) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:40:25,771 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2022-07-22 17:40:25,771 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:40:25,772 INFO L895 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:25,772 INFO L895 garLoopResultBuilder]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:25,772 INFO L895 garLoopResultBuilder]: At program point L339(lines 335 341) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:25,772 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 375) no Hoare annotation was computed. [2022-07-22 17:40:25,773 INFO L899 garLoopResultBuilder]: For program point L368-2(lines 368 375) no Hoare annotation was computed. [2022-07-22 17:40:25,773 INFO L899 garLoopResultBuilder]: For program point L393(lines 392 439) no Hoare annotation was computed. [2022-07-22 17:40:25,773 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 435) no Hoare annotation was computed. [2022-07-22 17:40:25,773 INFO L902 garLoopResultBuilder]: At program point L352(lines 344 354) the Hoare annotation is: true [2022-07-22 17:40:25,773 INFO L895 garLoopResultBuilder]: At program point L414(line 414) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse8 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and .cse6 .cse7 .cse1 .cse2 .cse4 .cse8) (and .cse6 .cse9 .cse7 .cse2 .cse4 .cse8) (and .cse6 .cse2 .cse3 .cse4 (<= ~waterLevel~0 2) .cse5) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:40:25,773 INFO L902 garLoopResultBuilder]: At program point L443(lines 382 447) the Hoare annotation is: true [2022-07-22 17:40:25,773 INFO L902 garLoopResultBuilder]: At program point L377(lines 358 380) the Hoare annotation is: true [2022-07-22 17:40:25,774 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 408) no Hoare annotation was computed. [2022-07-22 17:40:25,775 INFO L895 garLoopResultBuilder]: At program point L274(lines 262 276) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2022-07-22 17:40:25,775 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2022-07-22 17:40:25,776 INFO L895 garLoopResultBuilder]: At program point L464(lines 460 466) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:25,776 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2022-07-22 17:40:25,776 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 272) no Hoare annotation was computed. [2022-07-22 17:40:25,776 INFO L899 garLoopResultBuilder]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2022-07-22 17:40:25,776 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:40:25,776 INFO L895 garLoopResultBuilder]: At program point L157(lines 152 159) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (<= 1 ~pumpRunning~0) .cse2 .cse0 (not (<= ~waterLevel~0 2))) (or .cse2 .cse0 .cse1))) [2022-07-22 17:40:25,776 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:40:25,778 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-07-22 17:40:25,778 INFO L899 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2022-07-22 17:40:25,778 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-07-22 17:40:25,778 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse3)) (.cse2 (not .cse3))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2)))) [2022-07-22 17:40:25,778 INFO L895 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:25,779 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-07-22 17:40:25,779 INFO L895 garLoopResultBuilder]: At program point L939(lines 930 943) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:25,779 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-07-22 17:40:25,779 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2022-07-22 17:40:25,779 INFO L899 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2022-07-22 17:40:25,779 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2022-07-22 17:40:25,779 INFO L899 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2022-07-22 17:40:25,780 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 865 876) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse3 (not (= 0 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse4 .cse0 .cse2 .cse3))) [2022-07-22 17:40:25,780 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2022-07-22 17:40:25,780 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 179 187) the Hoare annotation is: true [2022-07-22 17:40:25,780 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 179 187) no Hoare annotation was computed. [2022-07-22 17:40:25,783 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:25,784 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:40:25,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:40:25 BoogieIcfgContainer [2022-07-22 17:40:25,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:40:25,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:40:25,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:40:25,838 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:40:25,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:40:01" (3/4) ... [2022-07-22 17:40:25,840 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:40:25,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:40:25,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:40:25,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:40:25,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:40:25,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:40:25,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:40:25,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:40:25,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-22 17:40:25,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-22 17:40:25,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:40:25,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:40:25,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:40:25,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:40:25,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:40:25,857 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:40:25,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-22 17:40:25,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-22 17:40:25,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-22 17:40:25,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == 0 && 2 == waterLevel) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || (((((pumpRunning == 0 && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((1 <= pumpRunning && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || (((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) [2022-07-22 17:40:25,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:40:25,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((((((pumpRunning == \old(pumpRunning) && 0 < waterLevel + 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:25,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 < \old(waterLevel) + 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (2 == \result && tmp == 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel == \result) && pumpRunning <= tmp___0) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && pumpRunning <= tmp___0) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || ((((((pumpRunning == 0 && waterLevel == \result) && 1 == systemActive) && waterLevel <= 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && pumpRunning <= tmp___0) && 1 == systemActive) && tmp == 0) && waterLevel <= 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (((((pumpRunning == 0 && 2 == \result) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 == systemActive)) || ((((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && waterLevel == \result) && pumpRunning <= tmp___0) && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(waterLevel <= 0)) && waterLevel == \result) && pumpRunning <= tmp___0) && 1 == systemActive) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((pumpRunning == 0 && !(waterLevel <= 0)) && waterLevel == \result) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) [2022-07-22 17:40:25,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0 < \old(waterLevel) + 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == 0 && !(waterLevel <= 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == 0 && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 == systemActive) && tmp == 0) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel)) [2022-07-22 17:40:25,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:25,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive [2022-07-22 17:40:25,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(0 < \old(waterLevel) + 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && 1 == systemActive) && tmp == 0) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((((((pumpRunning == 0 && !(waterLevel <= 0)) && waterLevel == \result) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:25,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(0 < \old(waterLevel) + 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || \result == 1) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || ((((pumpRunning == \old(pumpRunning) && \result == 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:25,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-22 17:40:25,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((pumpRunning == \old(pumpRunning) && \result == 0) && tmp == 1) && \result == 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) && tmp___0 == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(0 < \old(waterLevel) + 1) || (((\result == 0 && tmp == 1) && \result == 1) && tmp___0 == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:25,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-22 17:40:25,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) [2022-07-22 17:40:25,901 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:40:25,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:40:25,902 INFO L158 Benchmark]: Toolchain (without parser) took 25279.75ms. Allocated memory was 111.1MB in the beginning and 497.0MB in the end (delta: 385.9MB). Free memory was 78.8MB in the beginning and 427.3MB in the end (delta: -348.6MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-07-22 17:40:25,902 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:40:25,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.73ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 78.8MB in the beginning and 99.2MB in the end (delta: -20.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 17:40:25,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.94ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 96.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:40:25,903 INFO L158 Benchmark]: Boogie Preprocessor took 19.34ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 95.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:40:25,903 INFO L158 Benchmark]: RCFGBuilder took 359.87ms. Allocated memory is still 134.2MB. Free memory was 95.1MB in the beginning and 78.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 17:40:25,904 INFO L158 Benchmark]: TraceAbstraction took 24412.86ms. Allocated memory was 134.2MB in the beginning and 497.0MB in the end (delta: 362.8MB). Free memory was 77.5MB in the beginning and 432.6MB in the end (delta: -355.1MB). Peak memory consumption was 221.5MB. Max. memory is 16.1GB. [2022-07-22 17:40:25,904 INFO L158 Benchmark]: Witness Printer took 64.08ms. Allocated memory is still 497.0MB. Free memory was 432.6MB in the beginning and 427.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:40:25,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.73ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 78.8MB in the beginning and 99.2MB in the end (delta: -20.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.94ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 96.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.34ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 95.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.87ms. Allocated memory is still 134.2MB. Free memory was 95.1MB in the beginning and 78.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 24412.86ms. Allocated memory was 134.2MB in the beginning and 497.0MB in the end (delta: 362.8MB). Free memory was 77.5MB in the beginning and 432.6MB in the end (delta: -355.1MB). Peak memory consumption was 221.5MB. Max. memory is 16.1GB. * Witness Printer took 64.08ms. Allocated memory is still 497.0MB. Free memory was 432.6MB in the beginning and 427.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 958]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 15, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5731 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5672 mSDsluCounter, 10445 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8164 mSDsCounter, 2137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7848 IncrementalHoareTripleChecker+Invalid, 9985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2137 mSolverCounterUnsat, 2281 mSDtfsCounter, 7848 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2670 GetRequests, 2305 SyntacticMatches, 16 SemanticMatches, 349 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3732 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1949occurred in iteration=13, InterpolantAutomatonStates: 278, 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, 15 MinimizatonAttempts, 1230 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 5402 PreInvPairs, 5797 NumberOfFragments, 3290 HoareAnnotationTreeSize, 5402 FomulaSimplifications, 12308 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 45 FomulaSimplificationsInter, 83369 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 2756 NumberOfCodeBlocks, 2756 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3614 ConstructedInterpolants, 0 QuantifiedInterpolants, 8599 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4222 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 3637/4266 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: 944]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(0 < \old(waterLevel) + 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || \result == 1) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || ((((pumpRunning == \old(pumpRunning) && \result == 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((((((pumpRunning == \old(pumpRunning) && 0 < waterLevel + 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((pumpRunning == \old(pumpRunning) && \result == 0) && tmp == 1) && \result == 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) && tmp___0 == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(0 < \old(waterLevel) + 1) || (((\result == 0 && tmp == 1) && \result == 1) && tmp___0 == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0 && 2 == waterLevel) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || (((((pumpRunning == 0 && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((1 <= pumpRunning && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || (((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: (((((((((!(0 < \old(waterLevel) + 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (2 == \result && tmp == 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel == \result) && pumpRunning <= tmp___0) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && pumpRunning <= tmp___0) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || ((((((pumpRunning == 0 && waterLevel == \result) && 1 == systemActive) && waterLevel <= 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && pumpRunning <= tmp___0) && 1 == systemActive) && tmp == 0) && waterLevel <= 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (((((pumpRunning == 0 && 2 == \result) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 == systemActive)) || ((((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && waterLevel == \result) && pumpRunning <= tmp___0) && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(waterLevel <= 0)) && waterLevel == \result) && pumpRunning <= tmp___0) && 1 == systemActive) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((pumpRunning == 0 && !(waterLevel <= 0)) && waterLevel == \result) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((!(0 < \old(waterLevel) + 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == 0 && !(waterLevel <= 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == 0 && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 == systemActive) && tmp == 0) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((((((((!(0 < \old(waterLevel) + 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && 1 == systemActive) && tmp == 0) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((((((pumpRunning == 0 && !(waterLevel <= 0)) && waterLevel == \result) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:40:25,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE