./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product43.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 e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:40,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:40,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:40,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:40,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:40,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:40,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:40,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:40,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:40,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:40,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:40,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:40,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:40,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:40,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:40,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:40,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:40,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:40,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:40,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:40,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:40,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:40,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:40,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:40,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:40,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:40,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:40,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:40,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:40,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:40,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:40,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:40,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:40,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:40,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:40,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:40,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:40,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:40,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:40,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:40,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:40,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:40,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:40,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:40,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:40,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:40,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:40,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:40,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:40,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:40,192 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:40,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:40,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:40,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:40,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:40,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:40,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:40,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:40,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:40,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:40,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:40,194 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:40,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:40,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:40,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:40,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:40,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:40,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:40,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:40,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:40,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:40,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:40,196 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:40,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:40,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:40,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:40,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 [2021-12-17 15:09:40,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:40,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:40,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:40,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:40,451 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:40,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-12-17 15:09:40,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41bf1553/738a5d9b2dec4809b2f3e3be72de37d3/FLAG83cb2e613 [2021-12-17 15:09:40,862 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:40,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-12-17 15:09:40,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41bf1553/738a5d9b2dec4809b2f3e3be72de37d3/FLAG83cb2e613 [2021-12-17 15:09:41,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41bf1553/738a5d9b2dec4809b2f3e3be72de37d3 [2021-12-17 15:09:41,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:41,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:41,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:41,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:41,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:41,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130fed95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41, skipping insertion in model container [2021-12-17 15:09:41,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:41,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:41,566 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_product43.cil.c[18537,18550] [2021-12-17 15:09:41,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:41,573 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:41,639 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_product43.cil.c[18537,18550] [2021-12-17 15:09:41,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:41,658 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:41,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41 WrapperNode [2021-12-17 15:09:41,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:41,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:41,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:41,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:41,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,711 INFO L137 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 258 [2021-12-17 15:09:41,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:41,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:41,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:41,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:41,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:41,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:41,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:41,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:41,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:41,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:41,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 15:09:41,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 15:09:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:09:41,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:09:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:09:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:09:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:41,973 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:41,975 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:42,278 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:42,282 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:42,283 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:42,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:42 BoogieIcfgContainer [2021-12-17 15:09:42,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:42,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:42,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:42,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:42,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:41" (1/3) ... [2021-12-17 15:09:42,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9fc4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:42, skipping insertion in model container [2021-12-17 15:09:42,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (2/3) ... [2021-12-17 15:09:42,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9fc4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:42, skipping insertion in model container [2021-12-17 15:09:42,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:42" (3/3) ... [2021-12-17 15:09:42,319 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2021-12-17 15:09:42,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:42,322 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:42,382 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:42,388 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:09:42,388 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 76 states have internal predecessors, (96), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-17 15:09:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:42,415 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,415 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:42,416 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,419 INFO L85 PathProgramCache]: Analyzing trace with hash 991645006, now seen corresponding path program 1 times [2021-12-17 15:09:42,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731993038] [2021-12-17 15:09:42,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:09:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731993038] [2021-12-17 15:09:42,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731993038] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:42,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932129462] [2021-12-17 15:09:42,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:42,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:42,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:42,658 INFO L87 Difference]: Start difference. First operand has 88 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 76 states have internal predecessors, (96), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:42,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,680 INFO L93 Difference]: Finished difference Result 167 states and 226 transitions. [2021-12-17 15:09:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:42,682 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-17 15:09:42,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:42,689 INFO L225 Difference]: With dead ends: 167 [2021-12-17 15:09:42,690 INFO L226 Difference]: Without dead ends: 79 [2021-12-17 15:09:42,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:42,696 INFO L933 BasicCegarLoop]: 110 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, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:42,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:42,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-17 15:09:42,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-17 15:09:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 68 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-17 15:09:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2021-12-17 15:09:42,726 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 32 [2021-12-17 15:09:42,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:42,726 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-12-17 15:09:42,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-12-17 15:09:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-17 15:09:42,729 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,730 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:42,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:42,730 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1721110732, now seen corresponding path program 1 times [2021-12-17 15:09:42,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826991832] [2021-12-17 15:09:42,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:09:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826991832] [2021-12-17 15:09:42,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826991832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:42,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222959704] [2021-12-17 15:09:42,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:42,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:42,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:42,830 INFO L87 Difference]: Start difference. First operand 79 states and 101 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) [2021-12-17 15:09:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,037 INFO L93 Difference]: Finished difference Result 273 states and 364 transitions. [2021-12-17 15:09:43,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:43,039 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 [2021-12-17 15:09:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,041 INFO L225 Difference]: With dead ends: 273 [2021-12-17 15:09:43,042 INFO L226 Difference]: Without dead ends: 202 [2021-12-17 15:09:43,043 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:09:43,046 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 267 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 463 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:43,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-17 15:09:43,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 192. [2021-12-17 15:09:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 149 states have (on average 1.3221476510067114) internal successors, (197), 160 states have internal predecessors, (197), 28 states have call successors, (28), 17 states have call predecessors, (28), 14 states have return successors, (28), 23 states have call predecessors, (28), 25 states have call successors, (28) [2021-12-17 15:09:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 253 transitions. [2021-12-17 15:09:43,097 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 253 transitions. Word has length 37 [2021-12-17 15:09:43,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,098 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 253 transitions. [2021-12-17 15:09:43,099 INFO L471 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) [2021-12-17 15:09:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 253 transitions. [2021-12-17 15:09:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:09:43,101 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,102 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:43,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:43,102 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,104 INFO L85 PathProgramCache]: Analyzing trace with hash -940805792, now seen corresponding path program 1 times [2021-12-17 15:09:43,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515155167] [2021-12-17 15:09:43,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:09:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:09:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-17 15:09:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:43,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515155167] [2021-12-17 15:09:43,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515155167] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:43,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353398600] [2021-12-17 15:09:43,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:43,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:43,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:43,179 INFO L87 Difference]: Start difference. First operand 192 states and 253 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-17 15:09:43,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,192 INFO L93 Difference]: Finished difference Result 291 states and 379 transitions. [2021-12-17 15:09:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:43,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2021-12-17 15:09:43,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,194 INFO L225 Difference]: With dead ends: 291 [2021-12-17 15:09:43,194 INFO L226 Difference]: Without dead ends: 165 [2021-12-17 15:09:43,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:43,196 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-12-17 15:09:43,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-12-17 15:09:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 142 states have internal predecessors, (176), 19 states have call successors, (19), 14 states have call predecessors, (19), 14 states have return successors, (20), 17 states have call predecessors, (20), 19 states have call successors, (20) [2021-12-17 15:09:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2021-12-17 15:09:43,227 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 38 [2021-12-17 15:09:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,228 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2021-12-17 15:09:43,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-17 15:09:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2021-12-17 15:09:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-17 15:09:43,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,230 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:43,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:43,230 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash 845444465, now seen corresponding path program 1 times [2021-12-17 15:09:43,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635239922] [2021-12-17 15:09:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:09:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-17 15:09:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:43,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635239922] [2021-12-17 15:09:43,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635239922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:43,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885736763] [2021-12-17 15:09:43,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:43,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:43,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:43,317 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:43,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,351 INFO L93 Difference]: Finished difference Result 407 states and 539 transitions. [2021-12-17 15:09:43,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:43,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2021-12-17 15:09:43,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,353 INFO L225 Difference]: With dead ends: 407 [2021-12-17 15:09:43,353 INFO L226 Difference]: Without dead ends: 250 [2021-12-17 15:09:43,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:43,355 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 57 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 153 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-17 15:09:43,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2021-12-17 15:09:43,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 194 states have (on average 1.3144329896907216) internal successors, (255), 209 states have internal predecessors, (255), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2021-12-17 15:09:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 319 transitions. [2021-12-17 15:09:43,382 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 319 transitions. Word has length 42 [2021-12-17 15:09:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,387 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 319 transitions. [2021-12-17 15:09:43,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 319 transitions. [2021-12-17 15:09:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-17 15:09:43,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,388 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:43,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:43,388 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1493412905, now seen corresponding path program 1 times [2021-12-17 15:09:43,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716926565] [2021-12-17 15:09:43,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:09:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-17 15:09:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:09:43,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716926565] [2021-12-17 15:09:43,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716926565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:43,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487397319] [2021-12-17 15:09:43,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:43,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:43,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:43,490 INFO L87 Difference]: Start difference. First operand 248 states and 319 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:43,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,602 INFO L93 Difference]: Finished difference Result 500 states and 651 transitions. [2021-12-17 15:09:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:09:43,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-17 15:09:43,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,604 INFO L225 Difference]: With dead ends: 500 [2021-12-17 15:09:43,604 INFO L226 Difference]: Without dead ends: 260 [2021-12-17 15:09:43,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:43,606 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 46 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 419 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:43,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-12-17 15:09:43,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 245. [2021-12-17 15:09:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 191 states have (on average 1.287958115183246) internal successors, (246), 206 states have internal predecessors, (246), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2021-12-17 15:09:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 310 transitions. [2021-12-17 15:09:43,629 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 310 transitions. Word has length 41 [2021-12-17 15:09:43,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,630 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 310 transitions. [2021-12-17 15:09:43,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 310 transitions. [2021-12-17 15:09:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-17 15:09:43,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,647 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:43,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:09:43,648 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1271259535, now seen corresponding path program 1 times [2021-12-17 15:09:43,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464693670] [2021-12-17 15:09:43,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-17 15:09:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:43,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464693670] [2021-12-17 15:09:43,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464693670] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:43,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997939964] [2021-12-17 15:09:43,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:43,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:43,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:43,712 INFO L87 Difference]: Start difference. First operand 245 states and 310 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,744 INFO L93 Difference]: Finished difference Result 530 states and 688 transitions. [2021-12-17 15:09:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:43,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 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 50 [2021-12-17 15:09:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,747 INFO L225 Difference]: With dead ends: 530 [2021-12-17 15:09:43,747 INFO L226 Difference]: Without dead ends: 293 [2021-12-17 15:09:43,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:43,751 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 42 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 377 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:43,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-12-17 15:09:43,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 251. [2021-12-17 15:09:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 212 states have internal predecessors, (252), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2021-12-17 15:09:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 316 transitions. [2021-12-17 15:09:43,770 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 316 transitions. Word has length 50 [2021-12-17 15:09:43,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,770 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 316 transitions. [2021-12-17 15:09:43,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 316 transitions. [2021-12-17 15:09:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-17 15:09:43,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,779 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:43,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:09:43,780 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,780 INFO L85 PathProgramCache]: Analyzing trace with hash -848557709, now seen corresponding path program 1 times [2021-12-17 15:09:43,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507160103] [2021-12-17 15:09:43,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-17 15:09:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:43,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507160103] [2021-12-17 15:09:43,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507160103] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:43,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145297571] [2021-12-17 15:09:43,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:43,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:43,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:43,860 INFO L87 Difference]: Start difference. First operand 251 states and 316 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,905 INFO L93 Difference]: Finished difference Result 548 states and 708 transitions. [2021-12-17 15:09:43,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:09:43,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (3), 1 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 50 [2021-12-17 15:09:43,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,908 INFO L225 Difference]: With dead ends: 548 [2021-12-17 15:09:43,908 INFO L226 Difference]: Without dead ends: 305 [2021-12-17 15:09:43,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:43,911 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 431 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:43,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-12-17 15:09:43,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 255. [2021-12-17 15:09:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 201 states have (on average 1.2736318407960199) internal successors, (256), 216 states have internal predecessors, (256), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2021-12-17 15:09:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 320 transitions. [2021-12-17 15:09:43,934 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 320 transitions. Word has length 50 [2021-12-17 15:09:43,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,936 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 320 transitions. [2021-12-17 15:09:43,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 320 transitions. [2021-12-17 15:09:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-17 15:09:43,937 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,937 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:43,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:09:43,939 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1640971253, now seen corresponding path program 1 times [2021-12-17 15:09:43,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886909759] [2021-12-17 15:09:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-17 15:09:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:44,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:44,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886909759] [2021-12-17 15:09:44,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886909759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:44,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:44,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:44,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516143595] [2021-12-17 15:09:44,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:44,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:44,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:44,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:44,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:44,008 INFO L87 Difference]: Start difference. First operand 255 states and 320 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:44,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:44,035 INFO L93 Difference]: Finished difference Result 629 states and 799 transitions. [2021-12-17 15:09:44,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:44,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 50 [2021-12-17 15:09:44,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:44,038 INFO L225 Difference]: With dead ends: 629 [2021-12-17 15:09:44,038 INFO L226 Difference]: Without dead ends: 382 [2021-12-17 15:09:44,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:44,040 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 39 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:44,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 167 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:44,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-12-17 15:09:44,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2021-12-17 15:09:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 300 states have (on average 1.2466666666666666) internal successors, (374), 318 states have internal predecessors, (374), 46 states have call successors, (46), 38 states have call predecessors, (46), 35 states have return successors, (53), 43 states have call predecessors, (53), 46 states have call successors, (53) [2021-12-17 15:09:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 473 transitions. [2021-12-17 15:09:44,061 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 473 transitions. Word has length 50 [2021-12-17 15:09:44,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:44,061 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 473 transitions. [2021-12-17 15:09:44,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 473 transitions. [2021-12-17 15:09:44,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 15:09:44,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:44,063 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:44,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:09:44,063 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:44,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:44,064 INFO L85 PathProgramCache]: Analyzing trace with hash 832166863, now seen corresponding path program 1 times [2021-12-17 15:09:44,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:44,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117165211] [2021-12-17 15:09:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:44,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:09:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-17 15:09:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:44,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:44,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117165211] [2021-12-17 15:09:44,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117165211] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:44,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:44,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:09:44,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492561957] [2021-12-17 15:09:44,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:44,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:09:44,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:44,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:09:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:44,204 INFO L87 Difference]: Start difference. First operand 382 states and 473 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 15:09:44,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:44,436 INFO L93 Difference]: Finished difference Result 1255 states and 1604 transitions. [2021-12-17 15:09:44,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 15:09:44,437 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 54 [2021-12-17 15:09:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:44,441 INFO L225 Difference]: With dead ends: 1255 [2021-12-17 15:09:44,441 INFO L226 Difference]: Without dead ends: 1008 [2021-12-17 15:09:44,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:09:44,443 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 262 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:44,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 668 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:44,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2021-12-17 15:09:44,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 931. [2021-12-17 15:09:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 737 states have (on average 1.2293080054274084) internal successors, (906), 787 states have internal predecessors, (906), 106 states have call successors, (106), 81 states have call predecessors, (106), 87 states have return successors, (132), 101 states have call predecessors, (132), 106 states have call successors, (132) [2021-12-17 15:09:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1144 transitions. [2021-12-17 15:09:44,489 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1144 transitions. Word has length 54 [2021-12-17 15:09:44,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:44,490 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1144 transitions. [2021-12-17 15:09:44,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 15:09:44,490 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1144 transitions. [2021-12-17 15:09:44,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-17 15:09:44,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:44,492 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-12-17 15:09:44,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:09:44,492 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:44,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:44,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1448493659, now seen corresponding path program 1 times [2021-12-17 15:09:44,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:44,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547942082] [2021-12-17 15:09:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:44,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:09:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-17 15:09:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-17 15:09:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 15:09:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 15:09:44,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:44,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547942082] [2021-12-17 15:09:44,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547942082] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:44,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750362043] [2021-12-17 15:09:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:44,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:44,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:44,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:09:44,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:09:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:09:44,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:44,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:09:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 15:09:45,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750362043] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:09:45,151 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:09:45,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-17 15:09:45,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843193656] [2021-12-17 15:09:45,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:09:45,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-17 15:09:45,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:45,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-17 15:09:45,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:09:45,153 INFO L87 Difference]: Start difference. First operand 931 states and 1144 transitions. Second operand has 15 states, 15 states have (on average 7.0) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-17 15:09:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:45,880 INFO L93 Difference]: Finished difference Result 1715 states and 2172 transitions. [2021-12-17 15:09:45,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-17 15:09:45,880 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 85 [2021-12-17 15:09:45,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:45,885 INFO L225 Difference]: With dead ends: 1715 [2021-12-17 15:09:45,885 INFO L226 Difference]: Without dead ends: 913 [2021-12-17 15:09:45,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=326, Invalid=1480, Unknown=0, NotChecked=0, Total=1806 [2021-12-17 15:09:45,889 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 316 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:45,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 1208 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:09:45,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2021-12-17 15:09:45,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 818. [2021-12-17 15:09:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 633 states have (on average 1.2116903633491312) internal successors, (767), 677 states have internal predecessors, (767), 100 states have call successors, (100), 84 states have call predecessors, (100), 84 states have return successors, (119), 89 states have call predecessors, (119), 100 states have call successors, (119) [2021-12-17 15:09:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 986 transitions. [2021-12-17 15:09:45,921 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 986 transitions. Word has length 85 [2021-12-17 15:09:45,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:45,922 INFO L470 AbstractCegarLoop]: Abstraction has 818 states and 986 transitions. [2021-12-17 15:09:45,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-17 15:09:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 986 transitions. [2021-12-17 15:09:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-17 15:09:45,924 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:45,924 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:45,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 15:09:46,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 15:09:46,140 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:46,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:46,140 INFO L85 PathProgramCache]: Analyzing trace with hash -366703378, now seen corresponding path program 1 times [2021-12-17 15:09:46,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:46,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460770799] [2021-12-17 15:09:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:46,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:09:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-17 15:09:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-17 15:09:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-17 15:09:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-17 15:09:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-17 15:09:46,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:46,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460770799] [2021-12-17 15:09:46,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460770799] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:46,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325391293] [2021-12-17 15:09:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:46,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:46,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:46,259 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) [2021-12-17 15:09:46,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:09:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 15:09:46,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-12-17 15:09:46,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:09:46,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325391293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:46,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:09:46,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2021-12-17 15:09:46,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847601858] [2021-12-17 15:09:46,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:46,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:46,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:46,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:46,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:46,631 INFO L87 Difference]: Start difference. First operand 818 states and 986 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-17 15:09:46,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:46,649 INFO L93 Difference]: Finished difference Result 993 states and 1205 transitions. [2021-12-17 15:09:46,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:46,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 158 [2021-12-17 15:09:46,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:46,651 INFO L225 Difference]: With dead ends: 993 [2021-12-17 15:09:46,651 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:46,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:46,653 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 36 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 205 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 [2021-12-17 15:09:46,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 205 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:46,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:46,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:46,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2021-12-17 15:09:46,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:46,655 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:46,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-17 15:09:46,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:46,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:46,657 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:46,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 15:09:46,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-17 15:09:46,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:09:49,238 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 629 635) no Hoare annotation was computed. [2021-12-17 15:09:49,238 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 629 635) the Hoare annotation is: true [2021-12-17 15:09:49,238 INFO L858 garLoopResultBuilder]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2021-12-17 15:09:49,238 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 814 825) the Hoare annotation is: true [2021-12-17 15:09:49,238 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 814 825) no Hoare annotation was computed. [2021-12-17 15:09:49,238 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 615) no Hoare annotation was computed. [2021-12-17 15:09:49,238 INFO L858 garLoopResultBuilder]: For program point L609-2(lines 605 627) no Hoare annotation was computed. [2021-12-17 15:09:49,238 INFO L854 garLoopResultBuilder]: At program point L667(lines 662 669) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0)) .cse3 .cse0 .cse1))) [2021-12-17 15:09:49,238 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 921) no Hoare annotation was computed. [2021-12-17 15:09:49,239 INFO L854 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |timeShift_processEnvironment_~tmp~5#1| 0) (= ~pumpRunning~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or .cse4 .cse3 .cse0 .cse1))) [2021-12-17 15:09:49,239 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 602 628) no Hoare annotation was computed. [2021-12-17 15:09:49,239 INFO L854 garLoopResultBuilder]: At program point L899(lines 892 901) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (and .cse6 (= ~pumpRunning~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (<= 1 ~switchedOnBeforeTS~0) .cse6 (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or .cse2 .cse5 .cse4 .cse3)))) [2021-12-17 15:09:49,239 INFO L854 garLoopResultBuilder]: At program point L767(lines 752 770) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (and (not (= 0 |timeShift_isHighWaterLevel_~tmp~7#1|)) .cse4 (= |timeShift_isHighWaterLevel_#res#1| 0) .cse5 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0)) (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and .cse4 .cse5) .cse3 .cse0 .cse1))) [2021-12-17 15:09:49,239 INFO L854 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse2) (or .cse5 .cse2 .cse3))) [2021-12-17 15:09:49,239 INFO L854 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: (let ((.cse5 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse2) (or .cse6 .cse3 .cse7) (or .cse5 .cse6 .cse7) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or .cse6 .cse2 .cse3))) [2021-12-17 15:09:49,239 INFO L854 garLoopResultBuilder]: At program point L656-1(lines 637 661) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~systemActive~0 1))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and .cse5 .cse8 (= ~pumpRunning~0 0))) (.cse2 (not .cse8))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or (and .cse5 .cse1) .cse6 .cse7 .cse2 .cse3) (or .cse6 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse7 .cse2)))) [2021-12-17 15:09:49,239 INFO L858 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2021-12-17 15:09:49,239 INFO L858 garLoopResultBuilder]: For program point L871(lines 871 877) no Hoare annotation was computed. [2021-12-17 15:09:49,239 INFO L854 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse5 (and .cse9 .cse10)) (.cse7 (not (= ~systemActive~0 0))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= |timeShift_getWaterLevel_#res#1| 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse6 .cse2) (or .cse5 .cse6 .cse7) (or .cse8 .cse6 .cse3 .cse7) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or (and .cse8 .cse9 .cse1) .cse6 (and .cse8 .cse9 .cse10) .cse2 .cse3)))) [2021-12-17 15:09:49,239 INFO L854 garLoopResultBuilder]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and .cse4 .cse5) .cse3 .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) (and .cse4 (not (= 0 |timeShift_isHighWaterSensorDry_#res#1|)) .cse5) .cse3 .cse0))) [2021-12-17 15:09:49,239 INFO L858 garLoopResultBuilder]: For program point L971(line 971) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L616-1(lines 616 622) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 684) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L854 garLoopResultBuilder]: At program point L678-2(lines 671 687) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse3 (<= 1 ~pumpRunning~0)) (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse0 .cse1)) (or .cse4 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2))) [2021-12-17 15:09:49,240 INFO L854 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and .cse6 .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse1) (or .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse1 .cse5 .cse2) (or .cse3 .cse4 (not (= ~systemActive~0 0)))))) [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L897-1(line 897) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L854 garLoopResultBuilder]: At program point L831(lines 826 834) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse3 .cse0 .cse1))) [2021-12-17 15:09:49,240 INFO L854 garLoopResultBuilder]: At program point L703(lines 696 706) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse3 .cse0 .cse1))) [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L761(lines 761 765) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L854 garLoopResultBuilder]: At program point L794-2(lines 790 801) the Hoare annotation is: (let ((.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 (not (= ~systemActive~0 0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse2) (or .cse5 .cse2 .cse3))) [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L761-2(lines 761 765) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-17 15:09:49,240 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 602 628) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and .cse6 .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse1) (or .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse1 .cse5 .cse2) (or .cse3 .cse4 (not (= ~systemActive~0 0)))))) [2021-12-17 15:09:49,240 INFO L858 garLoopResultBuilder]: For program point L910(lines 910 927) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L854 garLoopResultBuilder]: At program point L910-1(lines 902 930) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 1))) (let ((.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 0))) (.cse9 (= |timeShift_getWaterLevel_#res#1| 2)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (not .cse11))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or (and .cse5 .cse6) .cse7 .cse8) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse4) (or .cse7 (and .cse9 .cse10) .cse3 .cse8) (or .cse7 (and .cse9 .cse10 .cse5 .cse11 .cse6) (and .cse9 .cse10 .cse5 .cse1) .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse7 (and .cse5 .cse11 .cse6) .cse2)))) [2021-12-17 15:09:49,241 INFO L854 garLoopResultBuilder]: At program point L972(lines 967 974) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse0) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2) (or .cse3 .cse0 .cse1))) [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 602 628) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2021-12-17 15:09:49,241 INFO L861 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L861 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L861 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2021-12-17 15:09:49,241 INFO L861 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-12-17 15:09:49,241 INFO L854 garLoopResultBuilder]: At program point L783(lines 771 785) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:09:49,241 INFO L858 garLoopResultBuilder]: For program point L775(lines 775 781) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point L775-2(lines 775 781) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L854 garLoopResultBuilder]: At program point L581(lines 532 582) the Hoare annotation is: false [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L854 garLoopResultBuilder]: At program point L569-2(lines 563 576) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~systemActive~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-17 15:09:49,242 INFO L854 garLoopResultBuilder]: At program point L693(lines 688 695) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (not (= 0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 2) .cse1 .cse2 .cse3))) [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L854 garLoopResultBuilder]: At program point L962(lines 957 965) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:49,242 INFO L854 garLoopResultBuilder]: At program point L578(lines 533 580) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~systemActive~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-17 15:09:49,242 INFO L854 garLoopResultBuilder]: At program point L545(line 545) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~systemActive~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L854 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L854 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:49,242 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2021-12-17 15:09:49,242 INFO L861 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2021-12-17 15:09:49,242 INFO L861 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-12-17 15:09:49,243 INFO L854 garLoopResultBuilder]: At program point L889(lines 884 891) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:49,243 INFO L858 garLoopResultBuilder]: For program point L534(lines 533 580) no Hoare annotation was computed. [2021-12-17 15:09:49,243 INFO L854 garLoopResultBuilder]: At program point L947(lines 943 949) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:49,243 INFO L858 garLoopResultBuilder]: For program point L563(lines 563 576) no Hoare annotation was computed. [2021-12-17 15:09:49,243 INFO L854 garLoopResultBuilder]: At program point L555(line 555) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~systemActive~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-17 15:09:49,243 INFO L861 garLoopResultBuilder]: At program point L584(lines 523 588) the Hoare annotation is: true [2021-12-17 15:09:49,243 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 802 813) no Hoare annotation was computed. [2021-12-17 15:09:49,248 INFO L858 garLoopResultBuilder]: For program point L806-1(lines 802 813) no Hoare annotation was computed. [2021-12-17 15:09:49,248 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 802 813) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse4 .cse1 .cse2))) [2021-12-17 15:09:49,248 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 707 715) no Hoare annotation was computed. [2021-12-17 15:09:49,248 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 707 715) the Hoare annotation is: true [2021-12-17 15:09:49,249 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 707 715) no Hoare annotation was computed. [2021-12-17 15:09:49,251 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:49,253 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:09:49,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:49 BoogieIcfgContainer [2021-12-17 15:09:49,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:09:49,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:09:49,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:09:49,294 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:09:49,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:42" (3/4) ... [2021-12-17 15:09:49,298 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:09:49,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:09:49,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:09:49,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:09:49,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:09:49,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:09:49,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:09:49,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-17 15:09:49,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:09:49,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:09:49,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:09:49,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:09:49,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:49,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:49,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:49,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:49,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:49,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0) || (((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && 1 == tmp) && systemActive == 1)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 <= pumpRunning) && 1 == tmp) && systemActive == 1) [2021-12-17 15:09:49,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) [2021-12-17 15:09:49,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:49,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(pumpRunning) == 0) || (\result == 2 && tmp == 2)) || !(\old(waterLevel) == 2)) || !(systemActive == 0))) && ((((!(\old(pumpRunning) == 0) || ((((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && systemActive == 1) && pumpRunning == 0)) || (((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-17 15:09:49,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-17 15:09:49,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:49,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && pumpRunning == 0 [2021-12-17 15:09:49,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && !(0 == switchedOnBeforeTS)) && 1 == \result) && 1 == tmp) && pumpRunning == 0) || ((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 == tmp) && pumpRunning == 0) [2021-12-17 15:09:49,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((\result == 2 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((((\result == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || ((\result == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:49,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) == 1) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-17 15:09:49,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((((((!(0 == tmp) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) && tmp___0 == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:49,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:49,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:49,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:49,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:49,367 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:09:49,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:09:49,368 INFO L158 Benchmark]: Toolchain (without parser) took 8079.71ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 42.2MB in the beginning and 80.4MB in the end (delta: -38.2MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2021-12-17 15:09:49,368 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:49,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.44ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 48.5MB in the end (delta: -6.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 15:09:49,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.85ms. Allocated memory is still 79.7MB. Free memory was 48.5MB in the beginning and 45.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:49,369 INFO L158 Benchmark]: Boogie Preprocessor took 31.85ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 44.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:49,370 INFO L158 Benchmark]: RCFGBuilder took 524.96ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 28.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 15:09:49,370 INFO L158 Benchmark]: TraceAbstraction took 7007.36ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 28.0MB in the beginning and 86.7MB in the end (delta: -58.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2021-12-17 15:09:49,370 INFO L158 Benchmark]: Witness Printer took 74.43ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 80.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:09:49,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.44ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 48.5MB in the end (delta: -6.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.85ms. Allocated memory is still 79.7MB. Free memory was 48.5MB in the beginning and 45.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.85ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 44.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.96ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 28.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7007.36ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 28.0MB in the beginning and 86.7MB in the end (delta: -58.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Witness Printer took 74.43ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 80.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 971]: 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 7 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1182 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1164 mSDsluCounter, 4356 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3111 mSDsCounter, 266 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1123 IncrementalHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 266 mSolverCounterUnsat, 1245 mSDtfsCounter, 1123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 291 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1748 PreInvPairs, 1859 NumberOfFragments, 2140 HoareAnnotationTreeSize, 1748 FomulaSimplifications, 709 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 6240 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 880 NumberOfCodeBlocks, 880 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 1663 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1092 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 441/464 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: 884]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0) || (((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && 1 == tmp) && systemActive == 1)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 <= pumpRunning) && 1 == tmp) && systemActive == 1) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) == 1) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && !(0 == switchedOnBeforeTS)) && 1 == \result) && 1 == tmp) && pumpRunning == 0) || ((((splverifierCounter == 0 && waterLevel == 2) && 1 == \result) && 1 == tmp) && pumpRunning == 0) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((\result == 2 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((((\result == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || ((\result == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(pumpRunning) == 0) || (\result == 2 && tmp == 2)) || !(\old(waterLevel) == 2)) || !(systemActive == 0))) && ((((!(\old(pumpRunning) == 0) || ((((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && systemActive == 1) && pumpRunning == 0)) || (((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && (((((((!(0 == tmp) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) && tmp___0 == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && (!(\old(pumpRunning) == 0) || !(systemActive == 0))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 2)) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:09:49,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE