./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product12.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_product12.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 bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:05:12,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:12,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:12,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:12,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:12,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:12,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:12,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:12,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:12,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:12,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:12,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:12,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:12,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:12,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:12,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:12,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:12,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:12,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:12,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:12,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:12,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:12,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:12,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:12,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:12,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:12,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:12,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:12,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:12,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:12,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:12,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:12,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:12,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:12,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:12,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:12,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:12,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:12,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:12,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:12,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:12,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:12,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:12,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:12,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:12,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:12,317 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:12,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:12,318 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:12,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:12,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:12,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:12,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:12,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:12,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:12,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:12,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:12,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:12,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:12,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:12,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:12,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:12,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:12,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:12,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:12,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:12,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:12,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:12,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:12,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:12,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:12,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 [2020-10-25 23:05:12,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:12,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:12,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:12,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:12,773 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:12,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2020-10-25 23:05:12,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a043acdfe/7b740c7cd8f84d29acdec8d69e826f46/FLAG03c6fccc1 [2020-10-25 23:05:13,546 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:13,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2020-10-25 23:05:13,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a043acdfe/7b740c7cd8f84d29acdec8d69e826f46/FLAG03c6fccc1 [2020-10-25 23:05:13,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a043acdfe/7b740c7cd8f84d29acdec8d69e826f46 [2020-10-25 23:05:13,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:13,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:13,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:13,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:13,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:13,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:13" (1/1) ... [2020-10-25 23:05:13,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591f23ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:13, skipping insertion in model container [2020-10-25 23:05:13,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:13" (1/1) ... [2020-10-25 23:05:13,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:13,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:14,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:14,289 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:14,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:14,442 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:14,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14 WrapperNode [2020-10-25 23:05:14,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:14,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:14,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:14,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:14,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:14,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:14,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:14,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:14,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:14,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:14,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:14,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:14,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (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 23:05:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:15,732 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:15,732 INFO L298 CfgBuilder]: Removed 80 assume(true) statements. [2020-10-25 23:05:15,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:15 BoogieIcfgContainer [2020-10-25 23:05:15,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:15,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:15,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:15,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:15,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:13" (1/3) ... [2020-10-25 23:05:15,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef74111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:15, skipping insertion in model container [2020-10-25 23:05:15,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (2/3) ... [2020-10-25 23:05:15,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef74111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:15, skipping insertion in model container [2020-10-25 23:05:15,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:15" (3/3) ... [2020-10-25 23:05:15,743 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2020-10-25 23:05:15,756 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:15,762 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:15,776 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:15,805 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:15,805 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:15,805 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:15,805 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:15,806 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:15,806 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:15,806 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:15,806 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:15,823 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-10-25 23:05:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:15,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:15,831 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 23:05:15,831 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:15,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1575452233, now seen corresponding path program 1 times [2020-10-25 23:05:15,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:15,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328764293] [2020-10-25 23:05:15,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:16,128 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 23:05:16,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328764293] [2020-10-25 23:05:16,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:16,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:16,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174471583] [2020-10-25 23:05:16,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:16,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:16,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:16,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:16,165 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-10-25 23:05:16,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:16,192 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions. [2020-10-25 23:05:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:16,194 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:16,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:16,207 INFO L225 Difference]: With dead ends: 122 [2020-10-25 23:05:16,208 INFO L226 Difference]: Without dead ends: 59 [2020-10-25 23:05:16,212 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 23:05:16,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-25 23:05:16,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-25 23:05:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-25 23:05:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-10-25 23:05:16,261 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-10-25 23:05:16,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:16,262 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-10-25 23:05:16,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-10-25 23:05:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:16,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:16,264 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 23:05:16,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:16,265 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:16,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1895768390, now seen corresponding path program 1 times [2020-10-25 23:05:16,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:16,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022974171] [2020-10-25 23:05:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:16,401 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 23:05:16,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022974171] [2020-10-25 23:05:16,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:16,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:16,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523706735] [2020-10-25 23:05:16,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:16,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:16,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:16,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:16,405 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2020-10-25 23:05:16,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:16,416 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-10-25 23:05:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:16,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:16,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:16,418 INFO L225 Difference]: With dead ends: 59 [2020-10-25 23:05:16,418 INFO L226 Difference]: Without dead ends: 31 [2020-10-25 23:05:16,419 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 23:05:16,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-25 23:05:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-25 23:05:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-25 23:05:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-10-25 23:05:16,426 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-10-25 23:05:16,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:16,437 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-10-25 23:05:16,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-10-25 23:05:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:16,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:16,438 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 23:05:16,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:16,439 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:16,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:16,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2020-10-25 23:05:16,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:16,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116263199] [2020-10-25 23:05:16,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:16,551 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 23:05:16,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116263199] [2020-10-25 23:05:16,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:16,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:16,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450099500] [2020-10-25 23:05:16,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:16,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:16,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:16,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:16,554 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-10-25 23:05:16,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:16,666 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2020-10-25 23:05:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:16,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:05:16,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:16,668 INFO L225 Difference]: With dead ends: 126 [2020-10-25 23:05:16,669 INFO L226 Difference]: Without dead ends: 102 [2020-10-25 23:05:16,669 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 23:05:16,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-25 23:05:16,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2020-10-25 23:05:16,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-25 23:05:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2020-10-25 23:05:16,682 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2020-10-25 23:05:16,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:16,682 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2020-10-25 23:05:16,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2020-10-25 23:05:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:16,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:16,684 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] [2020-10-25 23:05:16,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:16,684 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:16,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:16,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2020-10-25 23:05:16,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:16,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648489769] [2020-10-25 23:05:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:16,786 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 23:05:16,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648489769] [2020-10-25 23:05:16,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:16,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:16,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325782626] [2020-10-25 23:05:16,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:16,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:16,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:16,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:16,792 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 5 states. [2020-10-25 23:05:16,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:16,868 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2020-10-25 23:05:16,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:16,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:16,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:16,869 INFO L225 Difference]: With dead ends: 148 [2020-10-25 23:05:16,869 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:16,870 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 23:05:16,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:16,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:16,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-25 23:05:16,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:16,871 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:16,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:16,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:16,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:16,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:17,082 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-10-25 23:05:17,083 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:17,083 INFO L274 CegarLoopResult]: For program point L333(lines 333 343) no Hoare annotation was computed. [2020-10-25 23:05:17,083 INFO L274 CegarLoopResult]: For program point L333-2(lines 333 343) no Hoare annotation was computed. [2020-10-25 23:05:17,083 INFO L274 CegarLoopResult]: For program point L333-4(lines 333 343) no Hoare annotation was computed. [2020-10-25 23:05:17,083 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:17,083 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:17,083 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:17,084 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:17,084 INFO L274 CegarLoopResult]: For program point L334(lines 334 340) no Hoare annotation was computed. [2020-10-25 23:05:17,084 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 340) no Hoare annotation was computed. [2020-10-25 23:05:17,084 INFO L274 CegarLoopResult]: For program point L334-4(lines 334 340) no Hoare annotation was computed. [2020-10-25 23:05:17,085 INFO L270 CegarLoopResult]: At program point L318(lines 313 320) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:17,085 INFO L270 CegarLoopResult]: At program point L170(lines 169 188) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,085 INFO L274 CegarLoopResult]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2020-10-25 23:05:17,085 INFO L270 CegarLoopResult]: At program point L170-2(lines 169 188) the Hoare annotation is: false [2020-10-25 23:05:17,085 INFO L270 CegarLoopResult]: At program point L170-3(lines 169 188) the Hoare annotation is: false [2020-10-25 23:05:17,086 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-25 23:05:17,086 INFO L274 CegarLoopResult]: For program point L436-1(line 436) no Hoare annotation was computed. [2020-10-25 23:05:17,086 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-10-25 23:05:17,086 INFO L274 CegarLoopResult]: For program point L436-2(line 436) no Hoare annotation was computed. [2020-10-25 23:05:17,087 INFO L274 CegarLoopResult]: For program point L106(lines 106 112) no Hoare annotation was computed. [2020-10-25 23:05:17,087 INFO L270 CegarLoopResult]: At program point L106-1(lines 106 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,087 INFO L277 CegarLoopResult]: At program point L899(lines 880 902) the Hoare annotation is: true [2020-10-25 23:05:17,088 INFO L270 CegarLoopResult]: At program point L866(lines 862 868) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:17,088 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:17,088 INFO L270 CegarLoopResult]: At program point L818-2(lines 818 832) the Hoare annotation is: false [2020-10-25 23:05:17,088 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:17,089 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:17,089 INFO L274 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-10-25 23:05:17,089 INFO L274 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-10-25 23:05:17,089 INFO L270 CegarLoopResult]: At program point L291-1(lines 291 297) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,089 INFO L274 CegarLoopResult]: For program point L126(lines 126 141) no Hoare annotation was computed. [2020-10-25 23:05:17,090 INFO L274 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2020-10-25 23:05:17,090 INFO L274 CegarLoopResult]: For program point L358-3(lines 358 362) no Hoare annotation was computed. [2020-10-25 23:05:17,090 INFO L274 CegarLoopResult]: For program point L358-6(lines 358 362) no Hoare annotation was computed. [2020-10-25 23:05:17,090 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:17,091 INFO L270 CegarLoopResult]: At program point L177(lines 177 183) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,091 INFO L270 CegarLoopResult]: At program point L177-1(lines 177 183) the Hoare annotation is: false [2020-10-25 23:05:17,091 INFO L270 CegarLoopResult]: At program point L177-2(lines 177 183) the Hoare annotation is: false [2020-10-25 23:05:17,091 INFO L274 CegarLoopResult]: For program point L822(lines 822 826) no Hoare annotation was computed. [2020-10-25 23:05:17,091 INFO L274 CegarLoopResult]: For program point L822-1(lines 170 176) no Hoare annotation was computed. [2020-10-25 23:05:17,092 INFO L270 CegarLoopResult]: At program point L146(lines 95 147) the Hoare annotation is: false [2020-10-25 23:05:17,092 INFO L274 CegarLoopResult]: For program point L97(lines 96 145) no Hoare annotation was computed. [2020-10-25 23:05:17,092 INFO L274 CegarLoopResult]: For program point L890(lines 890 897) no Hoare annotation was computed. [2020-10-25 23:05:17,092 INFO L277 CegarLoopResult]: At program point L890-1(lines 890 897) the Hoare annotation is: true [2020-10-25 23:05:17,093 INFO L270 CegarLoopResult]: At program point L395(lines 390 398) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,093 INFO L270 CegarLoopResult]: At program point L395-1(lines 390 398) the Hoare annotation is: false [2020-10-25 23:05:17,093 INFO L274 CegarLoopResult]: For program point L329(lines 329 346) no Hoare annotation was computed. [2020-10-25 23:05:17,093 INFO L270 CegarLoopResult]: At program point L395-2(lines 390 398) the Hoare annotation is: false [2020-10-25 23:05:17,093 INFO L270 CegarLoopResult]: At program point L329-1(lines 1 902) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,094 INFO L274 CegarLoopResult]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2020-10-25 23:05:17,094 INFO L270 CegarLoopResult]: At program point L329-3(lines 1 902) the Hoare annotation is: false [2020-10-25 23:05:17,094 INFO L274 CegarLoopResult]: For program point L329-4(lines 329 346) no Hoare annotation was computed. [2020-10-25 23:05:17,094 INFO L270 CegarLoopResult]: At program point L329-5(lines 1 902) the Hoare annotation is: false [2020-10-25 23:05:17,095 INFO L274 CegarLoopResult]: For program point L98(lines 98 102) no Hoare annotation was computed. [2020-10-25 23:05:17,095 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:17,095 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:17,095 INFO L270 CegarLoopResult]: At program point L247(lines 242 250) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,096 INFO L270 CegarLoopResult]: At program point L247-1(lines 242 250) the Hoare annotation is: false [2020-10-25 23:05:17,096 INFO L270 CegarLoopResult]: At program point L247-2(lines 242 250) the Hoare annotation is: false [2020-10-25 23:05:17,096 INFO L274 CegarLoopResult]: For program point L116(lines 116 122) no Hoare annotation was computed. [2020-10-25 23:05:17,096 INFO L270 CegarLoopResult]: At program point L116-1(lines 116 122) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,097 INFO L270 CegarLoopResult]: At program point L67(lines 1 902) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:17,097 INFO L274 CegarLoopResult]: For program point L134(lines 134 140) no Hoare annotation was computed. [2020-10-25 23:05:17,097 INFO L270 CegarLoopResult]: At program point L134-1(lines 170 176) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:17,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:17 BoogieIcfgContainer [2020-10-25 23:05:17,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:17,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:17,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:17,120 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:17,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:15" (3/4) ... [2020-10-25 23:05:17,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:17,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:17,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:17,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:17,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:17,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:17,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:17,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:17,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:17,228 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:17,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:17,230 INFO L168 Benchmark]: Toolchain (without parser) took 3364.52 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 25.5 MB in the beginning and 36.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:17,231 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 28.8 MB in the beginning and 28.7 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:17,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.21 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.8 MB in the beginning and 38.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:17,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.33 ms. Allocated memory is still 58.7 MB. Free memory was 38.5 MB in the beginning and 35.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:17,232 INFO L168 Benchmark]: Boogie Preprocessor took 76.81 ms. Allocated memory is still 58.7 MB. Free memory was 35.7 MB in the beginning and 33.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:17,233 INFO L168 Benchmark]: RCFGBuilder took 1108.69 ms. Allocated memory is still 58.7 MB. Free memory was 33.8 MB in the beginning and 33.1 MB in the end (delta: 634.1 kB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:17,234 INFO L168 Benchmark]: TraceAbstraction took 1382.17 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 32.6 MB in the beginning and 42.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:17,234 INFO L168 Benchmark]: Witness Printer took 109.19 ms. Allocated memory is still 73.4 MB. Free memory was 42.3 MB in the beginning and 36.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:17,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 28.8 MB in the beginning and 28.7 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.21 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.8 MB in the beginning and 38.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.33 ms. Allocated memory is still 58.7 MB. Free memory was 38.5 MB in the beginning and 35.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.81 ms. Allocated memory is still 58.7 MB. Free memory was 35.7 MB in the beginning and 33.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1108.69 ms. Allocated memory is still 58.7 MB. Free memory was 33.8 MB in the beginning and 33.1 MB in the end (delta: 634.1 kB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1382.17 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 32.6 MB in the beginning and 42.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * Witness Printer took 109.19 ms. Allocated memory is still 73.4 MB. Free memory was 42.3 MB in the beginning and 36.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 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: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 245 SDtfs, 231 SDslu, 265 SDs, 0 SdLazy, 40 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...