/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:26,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:26,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:26,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:26,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:26,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:26,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:26,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:26,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:26,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:26,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:26,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:26,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:26,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:26,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:26,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:26,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:26,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:26,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:26,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:26,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:26,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:26,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:26,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:26,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 06:54:26,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 06:54:26,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 06:54:26,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 06:54:26,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 06:54:26,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 06:54:26,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:26,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:26,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:26,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:26,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:26,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:26,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:26,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:26,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:26,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:26,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:26,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:26,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:26,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:26,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:26,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:26,325 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:26,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:26,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:26,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:26,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:26,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:26,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:26,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:26,328 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:26,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:26,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:26,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:26,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:26,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:26,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:26,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:26,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:26,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:26,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:26,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:26,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:26,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:26,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:26,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:26,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:26,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:26,814 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:26,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-12-22 06:54:26,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7911c835/8dcb0a0755884f06874165380851e612/FLAG44438b21c [2020-12-22 06:54:27,541 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:27,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-12-22 06:54:27,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7911c835/8dcb0a0755884f06874165380851e612/FLAG44438b21c [2020-12-22 06:54:27,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7911c835/8dcb0a0755884f06874165380851e612 [2020-12-22 06:54:27,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:27,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:27,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:27,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:27,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:27,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:27" (1/1) ... [2020-12-22 06:54:27,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a900f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:27, skipping insertion in model container [2020-12-22 06:54:27,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:27" (1/1) ... [2020-12-22 06:54:27,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:27,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:28,353 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13059,13072] [2020-12-22 06:54:28,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:28,399 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:28,468 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13059,13072] [2020-12-22 06:54:28,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:28,579 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:28,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28 WrapperNode [2020-12-22 06:54:28,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:28,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:28,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:28,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:28,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:28,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:28,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:28,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:28,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:28,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:28,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:28,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:28,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (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 [2020-12-22 06:54:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:30,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:30,047 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2020-12-22 06:54:30,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:30 BoogieIcfgContainer [2020-12-22 06:54:30,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:30,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:30,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:30,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:30,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:27" (1/3) ... [2020-12-22 06:54:30,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2db768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:30, skipping insertion in model container [2020-12-22 06:54:30,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (2/3) ... [2020-12-22 06:54:30,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2db768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:30, skipping insertion in model container [2020-12-22 06:54:30,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:30" (3/3) ... [2020-12-22 06:54:30,059 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2020-12-22 06:54:30,067 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:30,073 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:30,094 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:30,130 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:30,130 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:30,131 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:30,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:30,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:30,131 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:30,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:30,132 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:30,151 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-12-22 06:54:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:30,158 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:30,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:30,159 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:30,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:30,167 INFO L82 PathProgramCache]: Analyzing trace with hash 280793572, now seen corresponding path program 1 times [2020-12-22 06:54:30,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:30,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365950179] [2020-12-22 06:54:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:30,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365950179] [2020-12-22 06:54:30,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:30,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:30,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691376339] [2020-12-22 06:54:30,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:30,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:30,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:30,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:30,495 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-12-22 06:54:30,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:30,533 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2020-12-22 06:54:30,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:30,535 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:30,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:30,574 INFO L225 Difference]: With dead ends: 215 [2020-12-22 06:54:30,574 INFO L226 Difference]: Without dead ends: 107 [2020-12-22 06:54:30,583 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 [2020-12-22 06:54:30,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-22 06:54:30,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-22 06:54:30,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-22 06:54:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2020-12-22 06:54:30,666 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2020-12-22 06:54:30,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:30,667 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2020-12-22 06:54:30,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2020-12-22 06:54:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:30,671 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:30,672 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:30,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:30,673 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:30,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:30,676 INFO L82 PathProgramCache]: Analyzing trace with hash 61957603, now seen corresponding path program 1 times [2020-12-22 06:54:30,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:30,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391054861] [2020-12-22 06:54:30,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:30,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391054861] [2020-12-22 06:54:30,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:30,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:30,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798239880] [2020-12-22 06:54:30,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:30,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:30,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:30,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:30,815 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2020-12-22 06:54:30,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:30,829 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2020-12-22 06:54:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:30,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:30,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:30,831 INFO L225 Difference]: With dead ends: 107 [2020-12-22 06:54:30,831 INFO L226 Difference]: Without dead ends: 47 [2020-12-22 06:54:30,832 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 [2020-12-22 06:54:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-22 06:54:30,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-22 06:54:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-22 06:54:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-12-22 06:54:30,839 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2020-12-22 06:54:30,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:30,839 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-12-22 06:54:30,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-12-22 06:54:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:30,841 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:30,841 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] [2020-12-22 06:54:30,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:30,841 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:30,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:30,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2020-12-22 06:54:30,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:30,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768507694] [2020-12-22 06:54:30,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:30,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768507694] [2020-12-22 06:54:30,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:30,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:30,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062576993] [2020-12-22 06:54:30,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:30,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:30,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:30,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:30,947 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-12-22 06:54:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:30,967 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2020-12-22 06:54:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:30,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:54:30,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:30,969 INFO L225 Difference]: With dead ends: 127 [2020-12-22 06:54:30,969 INFO L226 Difference]: Without dead ends: 87 [2020-12-22 06:54:30,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:30,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-12-22 06:54:30,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2020-12-22 06:54:30,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:54:30,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2020-12-22 06:54:30,983 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2020-12-22 06:54:30,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:30,983 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2020-12-22 06:54:30,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2020-12-22 06:54:30,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:30,987 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:30,987 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] [2020-12-22 06:54:30,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:30,988 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:30,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2020-12-22 06:54:30,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:30,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629712903] [2020-12-22 06:54:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:31,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629712903] [2020-12-22 06:54:31,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:31,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:31,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724160019] [2020-12-22 06:54:31,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:31,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:31,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:31,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:31,123 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand 5 states. [2020-12-22 06:54:31,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:31,260 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2020-12-22 06:54:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:31,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:54:31,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:31,270 INFO L225 Difference]: With dead ends: 409 [2020-12-22 06:54:31,270 INFO L226 Difference]: Without dead ends: 333 [2020-12-22 06:54:31,275 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 [2020-12-22 06:54:31,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-12-22 06:54:31,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2020-12-22 06:54:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-22 06:54:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2020-12-22 06:54:31,330 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2020-12-22 06:54:31,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:31,333 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2020-12-22 06:54:31,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2020-12-22 06:54:31,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:54:31,336 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:31,338 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] [2020-12-22 06:54:31,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:31,339 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:31,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:31,340 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2020-12-22 06:54:31,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:31,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337550011] [2020-12-22 06:54:31,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:31,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337550011] [2020-12-22 06:54:31,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:31,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:31,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582918249] [2020-12-22 06:54:31,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:31,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:31,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:31,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:31,492 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand 5 states. [2020-12-22 06:54:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:31,593 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2020-12-22 06:54:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:31,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-22 06:54:31,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:31,597 INFO L225 Difference]: With dead ends: 359 [2020-12-22 06:54:31,597 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:31,600 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 [2020-12-22 06:54:31,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:31,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:31,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-12-22 06:54:31,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:31,601 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:31,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:31,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:31,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:31,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:31,922 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2020-12-22 06:54:31,922 INFO L189 CegarLoopUtils]: For program point L696(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:31,922 INFO L189 CegarLoopUtils]: For program point L696-1(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:31,923 INFO L189 CegarLoopUtils]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:31,923 INFO L189 CegarLoopUtils]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-12-22 06:54:31,924 INFO L189 CegarLoopUtils]: For program point L666(lines 666 683) no Hoare annotation was computed. [2020-12-22 06:54:31,924 INFO L189 CegarLoopUtils]: For program point L666-1(lines 666 683) no Hoare annotation was computed. [2020-12-22 06:54:31,924 INFO L189 CegarLoopUtils]: For program point L666-2(lines 666 683) no Hoare annotation was computed. [2020-12-22 06:54:31,924 INFO L189 CegarLoopUtils]: For program point L666-3(lines 666 683) no Hoare annotation was computed. [2020-12-22 06:54:31,925 INFO L189 CegarLoopUtils]: For program point L666-4(lines 666 683) no Hoare annotation was computed. [2020-12-22 06:54:31,925 INFO L189 CegarLoopUtils]: For program point L666-5(lines 666 683) no Hoare annotation was computed. [2020-12-22 06:54:31,925 INFO L185 CegarLoopUtils]: At program point L634(lines 633 652) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,926 INFO L189 CegarLoopUtils]: For program point L634-1(lines 634 640) no Hoare annotation was computed. [2020-12-22 06:54:31,927 INFO L189 CegarLoopUtils]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-12-22 06:54:31,927 INFO L185 CegarLoopUtils]: At program point L634-2(lines 633 652) the Hoare annotation is: false [2020-12-22 06:54:31,927 INFO L185 CegarLoopUtils]: At program point L634-3(lines 633 652) the Hoare annotation is: false [2020-12-22 06:54:31,928 INFO L185 CegarLoopUtils]: At program point L800(lines 785 803) the Hoare annotation is: false [2020-12-22 06:54:31,928 INFO L185 CegarLoopUtils]: At program point L800-1(lines 785 803) the Hoare annotation is: false [2020-12-22 06:54:31,928 INFO L185 CegarLoopUtils]: At program point L800-2(lines 785 803) the Hoare annotation is: false [2020-12-22 06:54:31,929 INFO L185 CegarLoopUtils]: At program point L800-3(lines 785 803) the Hoare annotation is: false [2020-12-22 06:54:31,929 INFO L185 CegarLoopUtils]: At program point L800-4(lines 785 803) the Hoare annotation is: false [2020-12-22 06:54:31,929 INFO L185 CegarLoopUtils]: At program point L800-5(lines 785 803) the Hoare annotation is: false [2020-12-22 06:54:31,929 INFO L189 CegarLoopUtils]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-12-22 06:54:31,929 INFO L189 CegarLoopUtils]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-12-22 06:54:31,930 INFO L185 CegarLoopUtils]: At program point L603-1(lines 634 640) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,930 INFO L185 CegarLoopUtils]: At program point L736(lines 729 739) the Hoare annotation is: false [2020-12-22 06:54:31,931 INFO L185 CegarLoopUtils]: At program point L736-1(lines 729 739) the Hoare annotation is: false [2020-12-22 06:54:31,931 INFO L189 CegarLoopUtils]: For program point L670(lines 670 678) no Hoare annotation was computed. [2020-12-22 06:54:31,931 INFO L185 CegarLoopUtils]: At program point L736-2(lines 729 739) the Hoare annotation is: false [2020-12-22 06:54:31,931 INFO L189 CegarLoopUtils]: For program point L670-1(lines 670 678) no Hoare annotation was computed. [2020-12-22 06:54:31,932 INFO L189 CegarLoopUtils]: For program point L670-2(lines 670 678) no Hoare annotation was computed. [2020-12-22 06:54:31,932 INFO L189 CegarLoopUtils]: For program point L670-3(lines 670 678) no Hoare annotation was computed. [2020-12-22 06:54:31,932 INFO L189 CegarLoopUtils]: For program point L670-4(lines 670 678) no Hoare annotation was computed. [2020-12-22 06:54:31,933 INFO L189 CegarLoopUtils]: For program point L670-5(lines 670 678) no Hoare annotation was computed. [2020-12-22 06:54:31,933 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2020-12-22 06:54:31,933 INFO L185 CegarLoopUtils]: At program point L869-2(lines 869 883) the Hoare annotation is: false [2020-12-22 06:54:31,934 INFO L189 CegarLoopUtils]: For program point L870(line 870) no Hoare annotation was computed. [2020-12-22 06:54:31,934 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-22 06:54:31,934 INFO L185 CegarLoopUtils]: At program point L641(lines 641 647) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,936 INFO L185 CegarLoopUtils]: At program point L641-1(lines 641 647) the Hoare annotation is: false [2020-12-22 06:54:31,936 INFO L185 CegarLoopUtils]: At program point L641-2(lines 641 647) the Hoare annotation is: false [2020-12-22 06:54:31,937 INFO L185 CegarLoopUtils]: At program point L146(lines 141 148) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:31,941 INFO L189 CegarLoopUtils]: For program point L873(lines 873 877) no Hoare annotation was computed. [2020-12-22 06:54:31,941 INFO L189 CegarLoopUtils]: For program point L873-1(lines 634 640) no Hoare annotation was computed. [2020-12-22 06:54:31,942 INFO L189 CegarLoopUtils]: For program point L808(lines 808 814) no Hoare annotation was computed. [2020-12-22 06:54:31,942 INFO L185 CegarLoopUtils]: At program point L808-1(lines 808 814) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,947 INFO L189 CegarLoopUtils]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-12-22 06:54:31,947 INFO L185 CegarLoopUtils]: At program point L577-1(lines 577 583) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,948 INFO L189 CegarLoopUtils]: For program point L941(lines 941 948) no Hoare annotation was computed. [2020-12-22 06:54:31,948 INFO L192 CegarLoopUtils]: At program point L941-1(lines 941 948) the Hoare annotation is: true [2020-12-22 06:54:31,948 INFO L185 CegarLoopUtils]: At program point L745(lines 740 748) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,948 INFO L185 CegarLoopUtils]: At program point L745-1(lines 740 748) the Hoare annotation is: false [2020-12-22 06:54:31,948 INFO L185 CegarLoopUtils]: At program point L745-2(lines 740 748) the Hoare annotation is: false [2020-12-22 06:54:31,948 INFO L185 CegarLoopUtils]: At program point L845(lines 1 953) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:31,949 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:31,949 INFO L185 CegarLoopUtils]: At program point L615(lines 566 616) the Hoare annotation is: false [2020-12-22 06:54:31,949 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-22 06:54:31,952 INFO L189 CegarLoopUtils]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-12-22 06:54:31,952 INFO L189 CegarLoopUtils]: For program point L549-2(line 549) no Hoare annotation was computed. [2020-12-22 06:54:31,952 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:54:31,952 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:54:31,952 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:54:31,953 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:31,953 INFO L189 CegarLoopUtils]: For program point L157(lines 157 174) no Hoare annotation was computed. [2020-12-22 06:54:31,953 INFO L185 CegarLoopUtils]: At program point L157-1(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,953 INFO L189 CegarLoopUtils]: For program point L157-2(lines 157 174) no Hoare annotation was computed. [2020-12-22 06:54:31,953 INFO L185 CegarLoopUtils]: At program point L157-3(lines 1 953) the Hoare annotation is: false [2020-12-22 06:54:31,953 INFO L189 CegarLoopUtils]: For program point L157-4(lines 157 174) no Hoare annotation was computed. [2020-12-22 06:54:31,954 INFO L185 CegarLoopUtils]: At program point L157-5(lines 1 953) the Hoare annotation is: false [2020-12-22 06:54:31,954 INFO L192 CegarLoopUtils]: At program point L950(lines 931 953) the Hoare annotation is: true [2020-12-22 06:54:31,954 INFO L185 CegarLoopUtils]: At program point L917(lines 913 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:31,955 INFO L189 CegarLoopUtils]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-12-22 06:54:31,955 INFO L185 CegarLoopUtils]: At program point L587-1(lines 587 593) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,956 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:31,956 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,956 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:31,956 INFO L185 CegarLoopUtils]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:31,956 INFO L185 CegarLoopUtils]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:31,956 INFO L185 CegarLoopUtils]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:31,956 INFO L185 CegarLoopUtils]: At program point L853(lines 848 856) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:31,957 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:31,957 INFO L189 CegarLoopUtils]: For program point L161(lines 161 171) no Hoare annotation was computed. [2020-12-22 06:54:31,957 INFO L189 CegarLoopUtils]: For program point L161-2(lines 161 171) no Hoare annotation was computed. [2020-12-22 06:54:31,957 INFO L189 CegarLoopUtils]: For program point L161-4(lines 161 171) no Hoare annotation was computed. [2020-12-22 06:54:31,957 INFO L189 CegarLoopUtils]: For program point L162(lines 162 168) no Hoare annotation was computed. [2020-12-22 06:54:31,957 INFO L189 CegarLoopUtils]: For program point L162-2(lines 162 168) no Hoare annotation was computed. [2020-12-22 06:54:31,957 INFO L189 CegarLoopUtils]: For program point L162-4(lines 162 168) no Hoare annotation was computed. [2020-12-22 06:54:31,957 INFO L189 CegarLoopUtils]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:31,958 INFO L189 CegarLoopUtils]: For program point L692-1(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:31,958 INFO L189 CegarLoopUtils]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:31,958 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:31,958 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2020-12-22 06:54:31,958 INFO L185 CegarLoopUtils]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:31,958 INFO L185 CegarLoopUtils]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:31,958 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:54:31,959 INFO L185 CegarLoopUtils]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:31,959 INFO L185 CegarLoopUtils]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:31,959 INFO L185 CegarLoopUtils]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:31,959 INFO L185 CegarLoopUtils]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:31,959 INFO L189 CegarLoopUtils]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,959 INFO L189 CegarLoopUtils]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,959 INFO L189 CegarLoopUtils]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,959 INFO L189 CegarLoopUtils]: For program point L794-5(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,960 INFO L189 CegarLoopUtils]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,960 INFO L189 CegarLoopUtils]: For program point L794-8(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,960 INFO L189 CegarLoopUtils]: For program point L794-9(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,960 INFO L189 CegarLoopUtils]: For program point L794-11(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,961 INFO L189 CegarLoopUtils]: For program point L794-12(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,961 INFO L189 CegarLoopUtils]: For program point L794-14(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,961 INFO L189 CegarLoopUtils]: For program point L794-15(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,961 INFO L189 CegarLoopUtils]: For program point L794-17(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:54:31,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:31 BoogieIcfgContainer [2020-12-22 06:54:31,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:31,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:31,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:31,997 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:31,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:30" (3/4) ... [2020-12-22 06:54:32,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:32,031 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:32,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:32,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:32,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:32,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:32,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:32,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:32,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:32,173 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product23.cil.c-witness.graphml [2020-12-22 06:54:32,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:32,175 INFO L168 Benchmark]: Toolchain (without parser) took 4308.69 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 125.3 MB in the beginning and 116.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:32,176 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 84.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:32,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.52 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 104.0 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:32,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.49 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 133.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:32,177 INFO L168 Benchmark]: Boogie Preprocessor took 70.88 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 130.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:32,177 INFO L168 Benchmark]: RCFGBuilder took 1237.11 ms. Allocated memory is still 151.0 MB. Free memory was 130.2 MB in the beginning and 68.8 MB in the end (delta: 61.3 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:32,178 INFO L168 Benchmark]: TraceAbstraction took 1944.23 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 68.8 MB in the beginning and 126.3 MB in the end (delta: -57.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:32,178 INFO L168 Benchmark]: Witness Printer took 176.50 ms. Allocated memory is still 182.5 MB. Free memory was 126.3 MB in the beginning and 116.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:32,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 84.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 710.52 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 104.0 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 158.49 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 133.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 70.88 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 130.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1237.11 ms. Allocated memory is still 151.0 MB. Free memory was 130.2 MB in the beginning and 68.8 MB in the end (delta: 61.3 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1944.23 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 68.8 MB in the beginning and 126.3 MB in the end (delta: -57.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 8.0 GB. * Witness Printer took 176.50 ms. Allocated memory is still 182.5 MB. Free memory was 126.3 MB in the beginning and 116.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 549]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 549]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 412 SDslu, 454 SDs, 0 SdLazy, 70 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 138 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5549 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...