./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product21.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 f7c7db9989bf214b2258caa5c05380b7759170fd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:05:18,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:18,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:18,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:18,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:18,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:18,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:18,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:18,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:18,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:18,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:18,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:18,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:18,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:18,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:18,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:18,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:18,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:18,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:18,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:18,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:18,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:18,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:18,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:18,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:18,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:18,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:18,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:18,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:18,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:18,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:18,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:18,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:18,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:18,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:18,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:18,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:18,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:18,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:18,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:18,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:18,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:18,309 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:18,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:18,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:18,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:18,313 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:18,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:18,314 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:18,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:18,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:18,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:18,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:18,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:18,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:18,317 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:18,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:18,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:18,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:18,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:18,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:18,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:18,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:18,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:18,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:18,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:18,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:18,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:18,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:18,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:18,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:18,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2020-10-25 23:05:18,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:18,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:18,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:18,867 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:18,868 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:18,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-10-25 23:05:18,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11addb7f/af6b4672f28541dab09745a40c7cae02/FLAG4973ae559 [2020-10-25 23:05:19,756 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:19,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-10-25 23:05:19,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11addb7f/af6b4672f28541dab09745a40c7cae02/FLAG4973ae559 [2020-10-25 23:05:20,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11addb7f/af6b4672f28541dab09745a40c7cae02 [2020-10-25 23:05:20,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:20,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:20,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:20,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:20,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:20,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3bb57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20, skipping insertion in model container [2020-10-25 23:05:20,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:20,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:20,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:20,514 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:20,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:20,675 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:20,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20 WrapperNode [2020-10-25 23:05:20,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:20,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:20,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:20,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:20,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:20,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:20,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:20,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:20,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:20,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:20,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:20,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:20,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:20,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:21,949 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:21,949 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-10-25 23:05:21,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21 BoogieIcfgContainer [2020-10-25 23:05:21,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:21,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:21,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:21,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:21,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:20" (1/3) ... [2020-10-25 23:05:21,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7271cb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:21, skipping insertion in model container [2020-10-25 23:05:21,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (2/3) ... [2020-10-25 23:05:21,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7271cb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:21, skipping insertion in model container [2020-10-25 23:05:21,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21" (3/3) ... [2020-10-25 23:05:21,962 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2020-10-25 23:05:21,975 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:21,981 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:21,996 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:22,026 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:22,027 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:22,027 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:22,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:22,027 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:22,027 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:22,028 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:22,028 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-10-25 23:05:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:22,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,055 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1650685455, now seen corresponding path program 1 times [2020-10-25 23:05:22,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170086057] [2020-10-25 23:05:22,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:22,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170086057] [2020-10-25 23:05:22,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:22,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023333808] [2020-10-25 23:05:22,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:22,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:22,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:22,420 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-10-25 23:05:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,454 INFO L93 Difference]: Finished difference Result 214 states and 321 transitions. [2020-10-25 23:05:22,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:22,456 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,467 INFO L225 Difference]: With dead ends: 214 [2020-10-25 23:05:22,468 INFO L226 Difference]: Without dead ends: 105 [2020-10-25 23:05:22,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:22,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-25 23:05:22,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-10-25 23:05:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-25 23:05:22,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-10-25 23:05:22,550 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2020-10-25 23:05:22,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,551 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-10-25 23:05:22,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-10-25 23:05:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:22,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:22,560 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,562 INFO L82 PathProgramCache]: Analyzing trace with hash -234581629, now seen corresponding path program 1 times [2020-10-25 23:05:22,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908534737] [2020-10-25 23:05:22,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:22,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908534737] [2020-10-25 23:05:22,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:22,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864747814] [2020-10-25 23:05:22,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:22,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:22,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:22,761 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2020-10-25 23:05:22,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,789 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-10-25 23:05:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:22,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:22,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,792 INFO L225 Difference]: With dead ends: 105 [2020-10-25 23:05:22,793 INFO L226 Difference]: Without dead ends: 45 [2020-10-25 23:05:22,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:22,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-25 23:05:22,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-25 23:05:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-25 23:05:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-25 23:05:22,802 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-10-25 23:05:22,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,802 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-25 23:05:22,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-25 23:05:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:22,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:22,805 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,806 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2020-10-25 23:05:22,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127092058] [2020-10-25 23:05:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:22,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127092058] [2020-10-25 23:05:22,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:22,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121424249] [2020-10-25 23:05:22,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:22,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:22,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:22,898 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2020-10-25 23:05:23,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:23,096 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-10-25 23:05:23,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:23,097 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-25 23:05:23,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:23,098 INFO L225 Difference]: With dead ends: 83 [2020-10-25 23:05:23,098 INFO L226 Difference]: Without dead ends: 45 [2020-10-25 23:05:23,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-25 23:05:23,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-25 23:05:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-25 23:05:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-10-25 23:05:23,105 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-10-25 23:05:23,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:23,106 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-10-25 23:05:23,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-10-25 23:05:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:23,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:23,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:23,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:23,108 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:23,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:23,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2020-10-25 23:05:23,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:23,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57319989] [2020-10-25 23:05:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:23,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57319989] [2020-10-25 23:05:23,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:23,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:23,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531650952] [2020-10-25 23:05:23,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:23,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:23,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:23,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:23,205 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-10-25 23:05:23,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:23,321 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-25 23:05:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:23,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:23,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:23,325 INFO L225 Difference]: With dead ends: 207 [2020-10-25 23:05:23,325 INFO L226 Difference]: Without dead ends: 169 [2020-10-25 23:05:23,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:23,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-10-25 23:05:23,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-10-25 23:05:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-25 23:05:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2020-10-25 23:05:23,341 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2020-10-25 23:05:23,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:23,342 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2020-10-25 23:05:23,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-10-25 23:05:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-25 23:05:23,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:23,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:23,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:23,356 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:23,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2020-10-25 23:05:23,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:23,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163747882] [2020-10-25 23:05:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:23,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163747882] [2020-10-25 23:05:23,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:23,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:23,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953436465] [2020-10-25 23:05:23,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:23,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:23,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:23,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:23,435 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2020-10-25 23:05:23,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:23,496 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2020-10-25 23:05:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:23,497 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-25 23:05:23,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:23,498 INFO L225 Difference]: With dead ends: 176 [2020-10-25 23:05:23,498 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:23,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:23,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:23,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:23,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-25 23:05:23,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:23,501 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:23,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:23,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:23,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:23,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:23,780 INFO L274 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,780 INFO L274 CegarLoopResult]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,780 INFO L274 CegarLoopResult]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,780 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,780 INFO L274 CegarLoopResult]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,780 INFO L274 CegarLoopResult]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,781 INFO L274 CegarLoopResult]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,781 INFO L274 CegarLoopResult]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,781 INFO L274 CegarLoopResult]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,781 INFO L274 CegarLoopResult]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,781 INFO L274 CegarLoopResult]: For program point L432(lines 432 442) no Hoare annotation was computed. [2020-10-25 23:05:23,781 INFO L274 CegarLoopResult]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,781 INFO L274 CegarLoopResult]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2020-10-25 23:05:23,781 INFO L274 CegarLoopResult]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,782 INFO L274 CegarLoopResult]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:05:23,782 INFO L274 CegarLoopResult]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2020-10-25 23:05:23,782 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,782 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,782 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,782 INFO L270 CegarLoopResult]: At program point L928(lines 881 929) the Hoare annotation is: false [2020-10-25 23:05:23,783 INFO L274 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-10-25 23:05:23,783 INFO L274 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2020-10-25 23:05:23,783 INFO L274 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2020-10-25 23:05:23,783 INFO L274 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-10-25 23:05:23,783 INFO L274 CegarLoopResult]: For program point L565-3(lines 565 569) no Hoare annotation was computed. [2020-10-25 23:05:23,783 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-10-25 23:05:23,783 INFO L274 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-10-25 23:05:23,784 INFO L274 CegarLoopResult]: For program point L466-1(lines 701 707) no Hoare annotation was computed. [2020-10-25 23:05:23,784 INFO L274 CegarLoopResult]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2020-10-25 23:05:23,784 INFO L274 CegarLoopResult]: For program point L565-6(lines 565 569) no Hoare annotation was computed. [2020-10-25 23:05:23,784 INFO L274 CegarLoopResult]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2020-10-25 23:05:23,784 INFO L274 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-10-25 23:05:23,784 INFO L274 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2020-10-25 23:05:23,784 INFO L274 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2020-10-25 23:05:23,784 INFO L274 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2020-10-25 23:05:23,785 INFO L274 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2020-10-25 23:05:23,785 INFO L274 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2020-10-25 23:05:23,785 INFO L270 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,785 INFO L274 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-10-25 23:05:23,785 INFO L270 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2020-10-25 23:05:23,785 INFO L270 CegarLoopResult]: At program point L602(lines 597 605) the Hoare annotation is: false [2020-10-25 23:05:23,786 INFO L270 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2020-10-25 23:05:23,786 INFO L270 CegarLoopResult]: At program point L602-1(lines 597 605) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,786 INFO L270 CegarLoopResult]: At program point L602-2(lines 597 605) the Hoare annotation is: false [2020-10-25 23:05:23,786 INFO L270 CegarLoopResult]: At program point L602-3(lines 597 605) the Hoare annotation is: false [2020-10-25 23:05:23,786 INFO L270 CegarLoopResult]: At program point L602-4(lines 597 605) the Hoare annotation is: false [2020-10-25 23:05:23,786 INFO L270 CegarLoopResult]: At program point L602-5(lines 597 605) the Hoare annotation is: false [2020-10-25 23:05:23,786 INFO L270 CegarLoopResult]: At program point L867(lines 852 870) the Hoare annotation is: false [2020-10-25 23:05:23,787 INFO L270 CegarLoopResult]: At program point L867-1(lines 852 870) the Hoare annotation is: false [2020-10-25 23:05:23,787 INFO L270 CegarLoopResult]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2020-10-25 23:05:23,787 INFO L270 CegarLoopResult]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2020-10-25 23:05:23,787 INFO L270 CegarLoopResult]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2020-10-25 23:05:23,787 INFO L270 CegarLoopResult]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2020-10-25 23:05:23,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,787 INFO L274 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-10-25 23:05:23,788 INFO L270 CegarLoopResult]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,788 INFO L270 CegarLoopResult]: At program point L803(lines 796 806) the Hoare annotation is: false [2020-10-25 23:05:23,788 INFO L270 CegarLoopResult]: At program point L803-1(lines 796 806) the Hoare annotation is: false [2020-10-25 23:05:23,788 INFO L274 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-10-25 23:05:23,788 INFO L270 CegarLoopResult]: At program point L803-2(lines 796 806) the Hoare annotation is: false [2020-10-25 23:05:23,788 INFO L274 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2020-10-25 23:05:23,788 INFO L274 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-10-25 23:05:23,789 INFO L274 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2020-10-25 23:05:23,789 INFO L274 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2020-10-25 23:05:23,789 INFO L274 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2020-10-25 23:05:23,789 INFO L274 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-10-25 23:05:23,789 INFO L277 CegarLoopResult]: At program point L541-1(lines 541 548) the Hoare annotation is: true [2020-10-25 23:05:23,789 INFO L270 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,790 INFO L270 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2020-10-25 23:05:23,790 INFO L270 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2020-10-25 23:05:23,790 INFO L270 CegarLoopResult]: At program point L643(lines 638 646) the Hoare annotation is: false [2020-10-25 23:05:23,790 INFO L270 CegarLoopResult]: At program point L643-1(lines 638 646) the Hoare annotation is: false [2020-10-25 23:05:23,790 INFO L274 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-10-25 23:05:23,790 INFO L270 CegarLoopResult]: At program point L643-2(lines 638 646) the Hoare annotation is: false [2020-10-25 23:05:23,790 INFO L270 CegarLoopResult]: At program point L643-3(lines 638 646) the Hoare annotation is: false [2020-10-25 23:05:23,790 INFO L270 CegarLoopResult]: At program point L643-4(lines 638 646) the Hoare annotation is: false [2020-10-25 23:05:23,791 INFO L270 CegarLoopResult]: At program point L643-5(lines 638 646) the Hoare annotation is: false [2020-10-25 23:05:23,791 INFO L270 CegarLoopResult]: At program point L513(lines 509 515) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,791 INFO L270 CegarLoopResult]: At program point L679(lines 1 935) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,791 INFO L270 CegarLoopResult]: At program point L812(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,791 INFO L270 CegarLoopResult]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2020-10-25 23:05:23,791 INFO L270 CegarLoopResult]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2020-10-25 23:05:23,792 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,792 INFO L274 CegarLoopResult]: For program point L912(lines 912 923) no Hoare annotation was computed. [2020-10-25 23:05:23,792 INFO L270 CegarLoopResult]: At program point L417(lines 412 419) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,792 INFO L277 CegarLoopResult]: At program point L550(lines 531 553) the Hoare annotation is: true [2020-10-25 23:05:23,792 INFO L274 CegarLoopResult]: For program point L883(lines 882 927) no Hoare annotation was computed. [2020-10-25 23:05:23,792 INFO L274 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-10-25 23:05:23,792 INFO L274 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-10-25 23:05:23,793 INFO L274 CegarLoopResult]: For program point L652-2(line 652) no Hoare annotation was computed. [2020-10-25 23:05:23,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,793 INFO L274 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-10-25 23:05:23,793 INFO L274 CegarLoopResult]: For program point L918(lines 918 922) no Hoare annotation was computed. [2020-10-25 23:05:23,793 INFO L274 CegarLoopResult]: For program point L918-2(lines 701 707) no Hoare annotation was computed. [2020-10-25 23:05:23,793 INFO L270 CegarLoopResult]: At program point L687(lines 682 690) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,793 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-10-25 23:05:23,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,794 INFO L274 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-10-25 23:05:23,794 INFO L270 CegarLoopResult]: At program point L428-1(lines 1 935) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,794 INFO L274 CegarLoopResult]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2020-10-25 23:05:23,794 INFO L270 CegarLoopResult]: At program point L428-3(lines 1 935) the Hoare annotation is: false [2020-10-25 23:05:23,794 INFO L274 CegarLoopResult]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2020-10-25 23:05:23,794 INFO L270 CegarLoopResult]: At program point L428-5(lines 1 935) the Hoare annotation is: false [2020-10-25 23:05:23,794 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,795 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,795 INFO L274 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-10-25 23:05:23,795 INFO L274 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2020-10-25 23:05:23,795 INFO L274 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2020-10-25 23:05:23,795 INFO L270 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: false [2020-10-25 23:05:23,795 INFO L274 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-10-25 23:05:23,795 INFO L270 CegarLoopResult]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,796 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-25 23:05:23,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:23 BoogieIcfgContainer [2020-10-25 23:05:23,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:23,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:23,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:23,820 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:23,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21" (3/4) ... [2020-10-25 23:05:23,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:23,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:23,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:23,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:23,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:23,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:23,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,880 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:05:23,880 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:05:23,880 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:05:23,881 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,881 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,882 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,882 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,883 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,886 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,989 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:23,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:23,993 INFO L168 Benchmark]: Toolchain (without parser) took 3964.31 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 21.3 MB in the beginning and 30.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,994 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 31.6 MB in the beginning and 31.5 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:23,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.29 ms. Allocated memory is still 44.0 MB. Free memory was 20.6 MB in the beginning and 20.3 MB in the end (delta: 340.4 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.11 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.3 MB in the beginning and 37.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,999 INFO L168 Benchmark]: Boogie Preprocessor took 69.39 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 34.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:24,000 INFO L168 Benchmark]: RCFGBuilder took 1063.71 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 33.9 MB in the end (delta: 538.1 kB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:24,001 INFO L168 Benchmark]: TraceAbstraction took 1865.56 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 40.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:24,001 INFO L168 Benchmark]: Witness Printer took 170.52 ms. Allocated memory is still 67.1 MB. Free memory was 40.0 MB in the beginning and 30.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:24,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 31.6 MB in the beginning and 31.5 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 646.29 ms. Allocated memory is still 44.0 MB. Free memory was 20.6 MB in the beginning and 20.3 MB in the end (delta: 340.4 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.11 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.3 MB in the beginning and 37.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.39 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 34.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1063.71 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 33.9 MB in the end (delta: 538.1 kB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1865.56 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 40.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * Witness Printer took 170.52 ms. Allocated memory is still 67.1 MB. Free memory was 40.0 MB in the beginning and 30.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 509 SDslu, 365 SDs, 0 SdLazy, 67 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 202 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1538 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...