/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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:23,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:23,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:23,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:23,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:23,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:23,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:23,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:23,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:23,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:23,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:23,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:23,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:23,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:23,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:23,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:23,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:23,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:23,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:23,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:23,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:23,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:23,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:23,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:23,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 06:54:23,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 06:54:23,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 06:54:23,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 06:54:23,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 06:54:23,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 06:54:23,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:23,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:23,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:23,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:23,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:23,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:23,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:23,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:23,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:23,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:23,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:23,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:23,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:23,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:23,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:23,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:23,531 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:23,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:23,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:23,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:23,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:23,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:23,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:23,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:23,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:23,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:23,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:23,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:23,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:23,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:23,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:23,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:23,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:23,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:23,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:23,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:23,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:23,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:23,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:23,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:23,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:23,924 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:23,925 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:23,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-12-22 06:54:24,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fc352ef/e76506ee1e8246fd8a163d316c099a9c/FLAG9b4774fe1 [2020-12-22 06:54:24,761 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:24,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-12-22 06:54:24,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fc352ef/e76506ee1e8246fd8a163d316c099a9c/FLAG9b4774fe1 [2020-12-22 06:54:25,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fc352ef/e76506ee1e8246fd8a163d316c099a9c [2020-12-22 06:54:25,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:25,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:25,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:25,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:25,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:25,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d9aa89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25, skipping insertion in model container [2020-12-22 06:54:25,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:25,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:25,241 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_product19.cil.c[1281,1294] [2020-12-22 06:54:25,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:25,393 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:25,409 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_product19.cil.c[1281,1294] [2020-12-22 06:54:25,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:25,523 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:25,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25 WrapperNode [2020-12-22 06:54:25,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:25,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:25,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:25,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:25,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:25,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:25,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:25,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:25,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (1/1) ... [2020-12-22 06:54:25,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:25,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:25,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:25,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:25,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (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 06:54:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:26,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:26,811 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2020-12-22 06:54:26,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:26 BoogieIcfgContainer [2020-12-22 06:54:26,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:26,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:26,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:26,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:26,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:25" (1/3) ... [2020-12-22 06:54:26,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5231e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:26, skipping insertion in model container [2020-12-22 06:54:26,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:25" (2/3) ... [2020-12-22 06:54:26,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5231e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:26, skipping insertion in model container [2020-12-22 06:54:26,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:26" (3/3) ... [2020-12-22 06:54:26,824 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-12-22 06:54:26,832 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:26,842 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:26,864 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:26,897 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:26,897 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:26,898 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:26,898 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:26,898 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:26,898 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:26,898 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:26,899 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-12-22 06:54:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:26,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:26,927 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 06:54:26,927 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:26,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:26,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2020-12-22 06:54:26,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:26,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348059478] [2020-12-22 06:54:26,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:27,315 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 06:54:27,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348059478] [2020-12-22 06:54:27,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:27,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:27,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431468363] [2020-12-22 06:54:27,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:27,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:27,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:27,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:27,349 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2020-12-22 06:54:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:27,403 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2020-12-22 06:54:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:27,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:27,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:27,416 INFO L225 Difference]: With dead ends: 155 [2020-12-22 06:54:27,416 INFO L226 Difference]: Without dead ends: 77 [2020-12-22 06:54:27,420 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 06:54:27,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-12-22 06:54:27,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-12-22 06:54:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:54:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-12-22 06:54:27,469 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-12-22 06:54:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:27,470 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-12-22 06:54:27,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-12-22 06:54:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:27,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:27,472 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 06:54:27,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:27,473 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:27,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:27,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2020-12-22 06:54:27,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:27,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286338530] [2020-12-22 06:54:27,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:27,643 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 06:54:27,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286338530] [2020-12-22 06:54:27,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:27,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:27,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383597670] [2020-12-22 06:54:27,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:27,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:27,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:27,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:27,651 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-12-22 06:54:27,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:27,678 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-12-22 06:54:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:27,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:27,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:27,682 INFO L225 Difference]: With dead ends: 77 [2020-12-22 06:54:27,683 INFO L226 Difference]: Without dead ends: 37 [2020-12-22 06:54:27,684 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 06:54:27,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-22 06:54:27,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-12-22 06:54:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-22 06:54:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-12-22 06:54:27,699 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-12-22 06:54:27,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:27,699 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-12-22 06:54:27,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-12-22 06:54:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:27,702 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:27,703 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 06:54:27,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:27,703 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:27,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2020-12-22 06:54:27,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:27,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935969712] [2020-12-22 06:54:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:27,926 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 06:54:27,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935969712] [2020-12-22 06:54:27,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:27,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:27,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158918375] [2020-12-22 06:54:27,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:27,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:27,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:27,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:27,932 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2020-12-22 06:54:27,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:27,964 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2020-12-22 06:54:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:27,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:54:27,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:27,969 INFO L225 Difference]: With dead ends: 97 [2020-12-22 06:54:27,971 INFO L226 Difference]: Without dead ends: 67 [2020-12-22 06:54:27,972 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 06:54:27,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-12-22 06:54:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-12-22 06:54:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-22 06:54:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2020-12-22 06:54:27,989 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2020-12-22 06:54:27,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:27,998 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2020-12-22 06:54:27,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-12-22 06:54:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:54:28,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:28,001 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] [2020-12-22 06:54:28,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:28,002 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:28,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:28,002 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2020-12-22 06:54:28,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:28,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200531992] [2020-12-22 06:54:28,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:28,100 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 06:54:28,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200531992] [2020-12-22 06:54:28,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:28,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:28,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944389838] [2020-12-22 06:54:28,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:28,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:28,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:28,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:28,106 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2020-12-22 06:54:28,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:28,260 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-12-22 06:54:28,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:28,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:54:28,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:28,267 INFO L225 Difference]: With dead ends: 303 [2020-12-22 06:54:28,268 INFO L226 Difference]: Without dead ends: 247 [2020-12-22 06:54:28,269 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 06:54:28,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-12-22 06:54:28,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2020-12-22 06:54:28,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-22 06:54:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-12-22 06:54:28,297 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2020-12-22 06:54:28,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:28,297 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-12-22 06:54:28,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-12-22 06:54:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:28,299 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:28,299 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 06:54:28,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:28,300 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:28,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:28,300 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2020-12-22 06:54:28,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:28,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643728289] [2020-12-22 06:54:28,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:28,382 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 06:54:28,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643728289] [2020-12-22 06:54:28,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:28,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:28,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191472652] [2020-12-22 06:54:28,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:28,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:28,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:28,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:28,387 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2020-12-22 06:54:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:28,499 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2020-12-22 06:54:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:28,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:54:28,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:28,500 INFO L225 Difference]: With dead ends: 307 [2020-12-22 06:54:28,500 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:28,504 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 06:54:28,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:28,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:28,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:28,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:28,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-22 06:54:28,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:28,507 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:28,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:28,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:28,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:28,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:28,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:28,744 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:28,744 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:28,744 INFO L185 CegarLoopUtils]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,744 INFO L185 CegarLoopUtils]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2020-12-22 06:54:28,744 INFO L185 CegarLoopUtils]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2020-12-22 06:54:28,745 INFO L189 CegarLoopUtils]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-12-22 06:54:28,745 INFO L185 CegarLoopUtils]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,745 INFO L189 CegarLoopUtils]: For program point L699(lines 699 716) no Hoare annotation was computed. [2020-12-22 06:54:28,745 INFO L189 CegarLoopUtils]: For program point L699-1(lines 699 716) no Hoare annotation was computed. [2020-12-22 06:54:28,745 INFO L189 CegarLoopUtils]: For program point L699-2(lines 699 716) no Hoare annotation was computed. [2020-12-22 06:54:28,745 INFO L189 CegarLoopUtils]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-12-22 06:54:28,746 INFO L185 CegarLoopUtils]: At program point L815-1(lines 815 821) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,746 INFO L185 CegarLoopUtils]: At program point L667(lines 666 685) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,746 INFO L189 CegarLoopUtils]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-12-22 06:54:28,746 INFO L185 CegarLoopUtils]: At program point L667-2(lines 666 685) the Hoare annotation is: false [2020-12-22 06:54:28,746 INFO L185 CegarLoopUtils]: At program point L667-3(lines 666 685) the Hoare annotation is: false [2020-12-22 06:54:28,746 INFO L189 CegarLoopUtils]: For program point L635(lines 635 652) no Hoare annotation was computed. [2020-12-22 06:54:28,746 INFO L185 CegarLoopUtils]: At program point L635-1(lines 1 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,747 INFO L189 CegarLoopUtils]: For program point L635-2(lines 635 652) no Hoare annotation was computed. [2020-12-22 06:54:28,747 INFO L185 CegarLoopUtils]: At program point L635-3(lines 1 927) the Hoare annotation is: false [2020-12-22 06:54:28,747 INFO L189 CegarLoopUtils]: For program point L635-4(lines 635 652) no Hoare annotation was computed. [2020-12-22 06:54:28,747 INFO L185 CegarLoopUtils]: At program point L635-5(lines 1 927) the Hoare annotation is: false [2020-12-22 06:54:28,747 INFO L185 CegarLoopUtils]: At program point L916(lines 1 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:28,747 INFO L189 CegarLoopUtils]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:28,747 INFO L189 CegarLoopUtils]: For program point L867(lines 867 880) no Hoare annotation was computed. [2020-12-22 06:54:28,748 INFO L189 CegarLoopUtils]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-12-22 06:54:28,748 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:28,748 INFO L189 CegarLoopUtils]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2020-12-22 06:54:28,748 INFO L189 CegarLoopUtils]: For program point L801-3(lines 801 805) no Hoare annotation was computed. [2020-12-22 06:54:28,748 INFO L189 CegarLoopUtils]: For program point L801-5(lines 801 805) no Hoare annotation was computed. [2020-12-22 06:54:28,748 INFO L189 CegarLoopUtils]: For program point L603(lines 603 610) no Hoare annotation was computed. [2020-12-22 06:54:28,748 INFO L189 CegarLoopUtils]: For program point L801-6(lines 801 805) no Hoare annotation was computed. [2020-12-22 06:54:28,749 INFO L192 CegarLoopUtils]: At program point L603-1(lines 603 610) the Hoare annotation is: true [2020-12-22 06:54:28,749 INFO L189 CegarLoopUtils]: For program point L801-8(lines 801 805) no Hoare annotation was computed. [2020-12-22 06:54:28,749 INFO L185 CegarLoopUtils]: At program point L752(lines 747 755) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,749 INFO L185 CegarLoopUtils]: At program point L752-1(lines 747 755) the Hoare annotation is: false [2020-12-22 06:54:28,749 INFO L185 CegarLoopUtils]: At program point L752-2(lines 747 755) the Hoare annotation is: false [2020-12-22 06:54:28,749 INFO L189 CegarLoopUtils]: For program point L703(lines 703 711) no Hoare annotation was computed. [2020-12-22 06:54:28,750 INFO L189 CegarLoopUtils]: For program point L703-1(lines 703 711) no Hoare annotation was computed. [2020-12-22 06:54:28,750 INFO L189 CegarLoopUtils]: For program point L703-2(lines 703 711) no Hoare annotation was computed. [2020-12-22 06:54:28,750 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:28,750 INFO L185 CegarLoopUtils]: At program point L885(lines 836 886) the Hoare annotation is: false [2020-12-22 06:54:28,750 INFO L189 CegarLoopUtils]: For program point L639(lines 639 649) no Hoare annotation was computed. [2020-12-22 06:54:28,750 INFO L189 CegarLoopUtils]: For program point L639-2(lines 639 649) no Hoare annotation was computed. [2020-12-22 06:54:28,751 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:28,751 INFO L189 CegarLoopUtils]: For program point L639-4(lines 639 649) no Hoare annotation was computed. [2020-12-22 06:54:28,751 INFO L189 CegarLoopUtils]: For program point L838(lines 837 884) no Hoare annotation was computed. [2020-12-22 06:54:28,751 INFO L189 CegarLoopUtils]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-12-22 06:54:28,751 INFO L185 CegarLoopUtils]: At program point L574(lines 570 576) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:28,751 INFO L189 CegarLoopUtils]: For program point L640-2(lines 640 646) no Hoare annotation was computed. [2020-12-22 06:54:28,752 INFO L185 CegarLoopUtils]: At program point L508(lines 503 511) the Hoare annotation is: false [2020-12-22 06:54:28,752 INFO L189 CegarLoopUtils]: For program point L640-4(lines 640 646) no Hoare annotation was computed. [2020-12-22 06:54:28,752 INFO L185 CegarLoopUtils]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2020-12-22 06:54:28,752 INFO L189 CegarLoopUtils]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-12-22 06:54:28,752 INFO L185 CegarLoopUtils]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2020-12-22 06:54:28,752 INFO L185 CegarLoopUtils]: At program point L624(lines 619 626) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:28,752 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:54:28,753 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:54:28,753 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:54:28,753 INFO L185 CegarLoopUtils]: At program point L525-2(lines 525 539) the Hoare annotation is: false [2020-12-22 06:54:28,753 INFO L189 CegarLoopUtils]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:54:28,753 INFO L185 CegarLoopUtils]: At program point L674(lines 674 680) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,753 INFO L185 CegarLoopUtils]: At program point L674-1(lines 674 680) the Hoare annotation is: false [2020-12-22 06:54:28,753 INFO L185 CegarLoopUtils]: At program point L674-2(lines 674 680) the Hoare annotation is: false [2020-12-22 06:54:28,754 INFO L189 CegarLoopUtils]: For program point L526(line 526) no Hoare annotation was computed. [2020-12-22 06:54:28,754 INFO L189 CegarLoopUtils]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-12-22 06:54:28,754 INFO L185 CegarLoopUtils]: At program point L873-1(lines 667 673) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,754 INFO L185 CegarLoopUtils]: At program point L807(lines 792 810) the Hoare annotation is: false [2020-12-22 06:54:28,754 INFO L185 CegarLoopUtils]: At program point L807-1(lines 792 810) the Hoare annotation is: false [2020-12-22 06:54:28,754 INFO L185 CegarLoopUtils]: At program point L807-2(lines 792 810) the Hoare annotation is: false [2020-12-22 06:54:28,755 INFO L189 CegarLoopUtils]: For program point L857(lines 857 863) no Hoare annotation was computed. [2020-12-22 06:54:28,755 INFO L185 CegarLoopUtils]: At program point L857-1(lines 857 863) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:28,755 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:28,755 INFO L185 CegarLoopUtils]: At program point L924(lines 919 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:28,755 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:28,755 INFO L189 CegarLoopUtils]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-12-22 06:54:28,755 INFO L189 CegarLoopUtils]: For program point L529-1(lines 667 673) no Hoare annotation was computed. [2020-12-22 06:54:28,756 INFO L189 CegarLoopUtils]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-12-22 06:54:28,756 INFO L189 CegarLoopUtils]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2020-12-22 06:54:28,756 INFO L189 CegarLoopUtils]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2020-12-22 06:54:28,756 INFO L192 CegarLoopUtils]: At program point L612(lines 593 615) the Hoare annotation is: true [2020-12-22 06:54:28,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:28 BoogieIcfgContainer [2020-12-22 06:54:28,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:28,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:28,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:28,777 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:28,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:26" (3/4) ... [2020-12-22 06:54:28,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:28,797 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:28,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:28,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:28,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:28,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:28,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:28,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:28,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:28,901 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product19.cil.c-witness.graphml [2020-12-22 06:54:28,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:28,903 INFO L168 Benchmark]: Toolchain (without parser) took 3889.43 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 131.0 MB in the beginning and 72.3 MB in the end (delta: 58.7 MB). Peak memory consumption was 91.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:28,904 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 157.3 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:28,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.60 ms. Allocated memory is still 157.3 MB. Free memory was 130.8 MB in the beginning and 110.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:28,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.14 ms. Allocated memory is still 157.3 MB. Free memory was 110.0 MB in the beginning and 107.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:28,905 INFO L168 Benchmark]: Boogie Preprocessor took 67.53 ms. Allocated memory is still 157.3 MB. Free memory was 107.1 MB in the beginning and 104.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:28,905 INFO L168 Benchmark]: RCFGBuilder took 1126.18 ms. Allocated memory is still 157.3 MB. Free memory was 104.8 MB in the beginning and 86.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:28,906 INFO L168 Benchmark]: TraceAbstraction took 1961.10 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 86.7 MB in the beginning and 79.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 40.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:28,906 INFO L168 Benchmark]: Witness Printer took 123.98 ms. Allocated memory is still 188.7 MB. Free memory was 79.2 MB in the beginning and 72.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:28,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 157.3 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 499.60 ms. Allocated memory is still 157.3 MB. Free memory was 130.8 MB in the beginning and 110.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 93.14 ms. Allocated memory is still 157.3 MB. Free memory was 110.0 MB in the beginning and 107.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.53 ms. Allocated memory is still 157.3 MB. Free memory was 107.1 MB in the beginning and 104.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1126.18 ms. Allocated memory is still 157.3 MB. Free memory was 104.8 MB in the beginning and 86.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1961.10 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 86.7 MB in the beginning and 79.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 40.0 MB. Max. memory is 8.0 GB. * Witness Printer took 123.98 ms. Allocated memory is still 188.7 MB. Free memory was 79.2 MB in the beginning and 72.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 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=111occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...