/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_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:34,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:34,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:34,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:57:34,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:34,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:34,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:34,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:34,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:34,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:34,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:34,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:34,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:34,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:34,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:34,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:34,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:34,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:34,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:34,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:34,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:34,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:34,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:34,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:34,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:34,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:34,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:34,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:34,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:35,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:35,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:35,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:35,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:35,036 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:35,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:35,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:35,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:35,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:35,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:35,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:35,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:35,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:35,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:35,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:35,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:35,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:35,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:35,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:35,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:35,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:35,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:35,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:35,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:35,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:35,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:35,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:35,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:35,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:35,519 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:35,520 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:35,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2020-12-22 06:57:35,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82511d8f0/0b995587add047b7b096259edf4ef68d/FLAG30b5e48d9 [2020-12-22 06:57:36,363 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:36,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2020-12-22 06:57:36,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82511d8f0/0b995587add047b7b096259edf4ef68d/FLAG30b5e48d9 [2020-12-22 06:57:36,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82511d8f0/0b995587add047b7b096259edf4ef68d [2020-12-22 06:57:36,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:36,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:36,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:36,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:36,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:36,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:36" (1/1) ... [2020-12-22 06:57:36,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d766f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:36, skipping insertion in model container [2020-12-22 06:57:36,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:36" (1/1) ... [2020-12-22 06:57:36,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:36,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:36,948 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_spec5_product36.cil.c[1817,1830] [2020-12-22 06:57:37,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,202 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:37,274 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_spec5_product36.cil.c[1817,1830] [2020-12-22 06:57:37,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,428 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:37,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37 WrapperNode [2020-12-22 06:57:37,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:37,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:37,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:37,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:37,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:37,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:37,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:37,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:37,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (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 06:57:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:38,870 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:38,870 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2020-12-22 06:57:38,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38 BoogieIcfgContainer [2020-12-22 06:57:38,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:38,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:38,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:38,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:38,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:36" (1/3) ... [2020-12-22 06:57:38,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238267f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:38, skipping insertion in model container [2020-12-22 06:57:38,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (2/3) ... [2020-12-22 06:57:38,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238267f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:38, skipping insertion in model container [2020-12-22 06:57:38,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38" (3/3) ... [2020-12-22 06:57:38,883 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-12-22 06:57:38,890 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:38,896 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:38,914 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:38,943 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:38,944 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:38,944 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:38,944 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:38,944 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:38,944 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:38,945 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:38,945 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2020-12-22 06:57:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:38,971 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:38,972 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 06:57:38,972 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:38,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:38,979 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2020-12-22 06:57:38,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:38,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736955932] [2020-12-22 06:57:38,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,364 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 06:57:39,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736955932] [2020-12-22 06:57:39,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318349755] [2020-12-22 06:57:39,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:39,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:39,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:39,400 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2020-12-22 06:57:39,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,458 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2020-12-22 06:57:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:39,459 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:39,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,471 INFO L225 Difference]: With dead ends: 171 [2020-12-22 06:57:39,471 INFO L226 Difference]: Without dead ends: 85 [2020-12-22 06:57:39,475 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 06:57:39,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-12-22 06:57:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-12-22 06:57:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-22 06:57:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2020-12-22 06:57:39,521 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2020-12-22 06:57:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,522 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2020-12-22 06:57:39,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-12-22 06:57:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:39,524 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,524 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] [2020-12-22 06:57:39,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:39,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2020-12-22 06:57:39,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412391380] [2020-12-22 06:57:39,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,645 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 06:57:39,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412391380] [2020-12-22 06:57:39,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:39,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747433210] [2020-12-22 06:57:39,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,649 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2020-12-22 06:57:39,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,661 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-12-22 06:57:39,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:39,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,664 INFO L225 Difference]: With dead ends: 85 [2020-12-22 06:57:39,664 INFO L226 Difference]: Without dead ends: 40 [2020-12-22 06:57:39,665 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 06:57:39,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-22 06:57:39,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-22 06:57:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-22 06:57:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2020-12-22 06:57:39,671 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2020-12-22 06:57:39,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,672 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2020-12-22 06:57:39,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-12-22 06:57:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:39,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,673 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 06:57:39,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:39,674 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,675 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2020-12-22 06:57:39,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467456318] [2020-12-22 06:57:39,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,773 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 06:57:39,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467456318] [2020-12-22 06:57:39,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:39,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164862346] [2020-12-22 06:57:39,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,776 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2020-12-22 06:57:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,811 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2020-12-22 06:57:39,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:39,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,813 INFO L225 Difference]: With dead ends: 106 [2020-12-22 06:57:39,813 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:57:39,814 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 06:57:39,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:57:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-12-22 06:57:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-22 06:57:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2020-12-22 06:57:39,833 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2020-12-22 06:57:39,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,836 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2020-12-22 06:57:39,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-12-22 06:57:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:39,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,840 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 06:57:39,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:39,841 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2020-12-22 06:57:39,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609401606] [2020-12-22 06:57:39,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,952 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 06:57:39,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609401606] [2020-12-22 06:57:39,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067066145] [2020-12-22 06:57:39,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,956 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2020-12-22 06:57:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,999 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2020-12-22 06:57:40,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 06:57:40,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,004 INFO L225 Difference]: With dead ends: 178 [2020-12-22 06:57:40,004 INFO L226 Difference]: Without dead ends: 116 [2020-12-22 06:57:40,005 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 06:57:40,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-22 06:57:40,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-12-22 06:57:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-22 06:57:40,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2020-12-22 06:57:40,038 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2020-12-22 06:57:40,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,039 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2020-12-22 06:57:40,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2020-12-22 06:57:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:40,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,043 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, 1, 1] [2020-12-22 06:57:40,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:40,044 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,047 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2020-12-22 06:57:40,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677232229] [2020-12-22 06:57:40,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,180 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 06:57:40,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677232229] [2020-12-22 06:57:40,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:40,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866551118] [2020-12-22 06:57:40,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,184 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2020-12-22 06:57:40,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,333 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2020-12-22 06:57:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:40,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 06:57:40,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,337 INFO L225 Difference]: With dead ends: 405 [2020-12-22 06:57:40,337 INFO L226 Difference]: Without dead ends: 298 [2020-12-22 06:57:40,339 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 06:57:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-12-22 06:57:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2020-12-22 06:57:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-12-22 06:57:40,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2020-12-22 06:57:40,363 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2020-12-22 06:57:40,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,364 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2020-12-22 06:57:40,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2020-12-22 06:57:40,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,369 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, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:40,369 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2020-12-22 06:57:40,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750787565] [2020-12-22 06:57:40,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,534 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 06:57:40,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750787565] [2020-12-22 06:57:40,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:40,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265415642] [2020-12-22 06:57:40,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,537 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2020-12-22 06:57:40,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,603 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2020-12-22 06:57:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:40,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:40,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,606 INFO L225 Difference]: With dead ends: 304 [2020-12-22 06:57:40,606 INFO L226 Difference]: Without dead ends: 199 [2020-12-22 06:57:40,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 06:57:40,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-12-22 06:57:40,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2020-12-22 06:57:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-22 06:57:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2020-12-22 06:57:40,635 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2020-12-22 06:57:40,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,635 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2020-12-22 06:57:40,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2020-12-22 06:57:40,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,637 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,637 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, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:40,637 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,638 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2020-12-22 06:57:40,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755600132] [2020-12-22 06:57:40,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,713 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 06:57:40,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755600132] [2020-12-22 06:57:40,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:40,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213063681] [2020-12-22 06:57:40,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,720 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 5 states. [2020-12-22 06:57:40,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,818 INFO L93 Difference]: Finished difference Result 336 states and 460 transitions. [2020-12-22 06:57:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:40,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:40,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,820 INFO L225 Difference]: With dead ends: 336 [2020-12-22 06:57:40,820 INFO L226 Difference]: Without dead ends: 225 [2020-12-22 06:57:40,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 06:57:40,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-12-22 06:57:40,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 122. [2020-12-22 06:57:40,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-22 06:57:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-12-22 06:57:40,856 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2020-12-22 06:57:40,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,856 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-12-22 06:57:40,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-12-22 06:57:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,864 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, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:40,864 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2020-12-22 06:57:40,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204151780] [2020-12-22 06:57:40,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,957 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 06:57:40,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204151780] [2020-12-22 06:57:40,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:40,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571820654] [2020-12-22 06:57:40,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,960 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-12-22 06:57:40,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,990 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2020-12-22 06:57:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:57:40,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,992 INFO L225 Difference]: With dead ends: 293 [2020-12-22 06:57:40,993 INFO L226 Difference]: Without dead ends: 178 [2020-12-22 06:57:40,993 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 06:57:40,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-12-22 06:57:41,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-12-22 06:57:41,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-12-22 06:57:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2020-12-22 06:57:41,029 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2020-12-22 06:57:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,030 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2020-12-22 06:57:41,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:41,031 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2020-12-22 06:57:41,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:41,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,037 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:41,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:41,038 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,039 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2020-12-22 06:57:41,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805019465] [2020-12-22 06:57:41,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,183 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 06:57:41,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805019465] [2020-12-22 06:57:41,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:41,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:41,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428495059] [2020-12-22 06:57:41,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:41,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:41,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:41,190 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2020-12-22 06:57:41,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,544 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2020-12-22 06:57:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:41,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-12-22 06:57:41,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,550 INFO L225 Difference]: With dead ends: 855 [2020-12-22 06:57:41,551 INFO L226 Difference]: Without dead ends: 740 [2020-12-22 06:57:41,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:41,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-12-22 06:57:41,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2020-12-22 06:57:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-12-22 06:57:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2020-12-22 06:57:41,595 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2020-12-22 06:57:41,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,600 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2020-12-22 06:57:41,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2020-12-22 06:57:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:57:41,604 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,604 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:41,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:41,605 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,606 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2020-12-22 06:57:41,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123365526] [2020-12-22 06:57:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:41,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123365526] [2020-12-22 06:57:41,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451709125] [2020-12-22 06:57:41,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:41,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:42,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:42,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-22 06:57:42,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262399991] [2020-12-22 06:57:42,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:57:42,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:42,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:57:42,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:42,003 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2020-12-22 06:57:42,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:42,471 INFO L93 Difference]: Finished difference Result 650 states and 874 transitions. [2020-12-22 06:57:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:57:42,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-12-22 06:57:42,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:42,472 INFO L225 Difference]: With dead ends: 650 [2020-12-22 06:57:42,472 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:42,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:57:42,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:42,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:42,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-12-22 06:57:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:42,475 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:42,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:57:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:42,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:42,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:42,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:42,885 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 67 [2020-12-22 06:57:43,429 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 55 [2020-12-22 06:57:43,770 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 21 [2020-12-22 06:57:43,889 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-12-22 06:57:44,065 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2020-12-22 06:57:44,220 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-12-22 06:57:44,390 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2020-12-22 06:57:44,636 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 18 [2020-12-22 06:57:44,850 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-22 06:57:44,992 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 20 [2020-12-22 06:57:45,152 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2020-12-22 06:57:45,298 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 10 [2020-12-22 06:57:45,303 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2020-12-22 06:57:45,303 INFO L185 CegarLoopUtils]: At program point L729-2(lines 729 743) the Hoare annotation is: false [2020-12-22 06:57:45,303 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,303 INFO L189 CegarLoopUtils]: For program point L730(line 730) no Hoare annotation was computed. [2020-12-22 06:57:45,304 INFO L189 CegarLoopUtils]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-12-22 06:57:45,304 INFO L185 CegarLoopUtils]: At program point L697-1(lines 1 958) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:57:45,304 INFO L185 CegarLoopUtils]: At program point L119(lines 119 125) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:45,304 INFO L185 CegarLoopUtils]: At program point L119-1(lines 119 125) the Hoare annotation is: false [2020-12-22 06:57:45,304 INFO L185 CegarLoopUtils]: At program point L119-2(lines 119 125) the Hoare annotation is: false [2020-12-22 06:57:45,305 INFO L189 CegarLoopUtils]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-12-22 06:57:45,305 INFO L185 CegarLoopUtils]: At program point L252(lines 237 255) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~1 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-12-22 06:57:45,305 INFO L185 CegarLoopUtils]: At program point L252-1(lines 237 255) the Hoare annotation is: false [2020-12-22 06:57:45,305 INFO L185 CegarLoopUtils]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2020-12-22 06:57:45,305 INFO L189 CegarLoopUtils]: For program point L848(lines 848 858) no Hoare annotation was computed. [2020-12-22 06:57:45,305 INFO L189 CegarLoopUtils]: For program point L848-2(lines 848 858) no Hoare annotation was computed. [2020-12-22 06:57:45,306 INFO L189 CegarLoopUtils]: For program point L848-4(lines 848 858) no Hoare annotation was computed. [2020-12-22 06:57:45,306 INFO L189 CegarLoopUtils]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-12-22 06:57:45,306 INFO L189 CegarLoopUtils]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-12-22 06:57:45,306 INFO L189 CegarLoopUtils]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-12-22 06:57:45,306 INFO L189 CegarLoopUtils]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2020-12-22 06:57:45,306 INFO L189 CegarLoopUtils]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2020-12-22 06:57:45,306 INFO L185 CegarLoopUtils]: At program point L833(lines 112 118) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2020-12-22 06:57:45,307 INFO L185 CegarLoopUtils]: At program point L833-1(lines 112 118) the Hoare annotation is: false [2020-12-22 06:57:45,307 INFO L185 CegarLoopUtils]: At program point L833-2(lines 112 118) the Hoare annotation is: false [2020-12-22 06:57:45,307 INFO L189 CegarLoopUtils]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-12-22 06:57:45,307 INFO L189 CegarLoopUtils]: For program point L949-1(lines 949 955) no Hoare annotation was computed. [2020-12-22 06:57:45,307 INFO L189 CegarLoopUtils]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2020-12-22 06:57:45,307 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,307 INFO L189 CegarLoopUtils]: For program point L669(lines 669 675) no Hoare annotation was computed. [2020-12-22 06:57:45,307 INFO L185 CegarLoopUtils]: At program point L669-1(lines 669 675) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:45,308 INFO L189 CegarLoopUtils]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-12-22 06:57:45,308 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,308 INFO L189 CegarLoopUtils]: For program point L802(lines 802 809) no Hoare annotation was computed. [2020-12-22 06:57:45,308 INFO L192 CegarLoopUtils]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2020-12-22 06:57:45,308 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2020-12-22 06:57:45,308 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,308 INFO L189 CegarLoopUtils]: For program point L689(lines 689 704) no Hoare annotation was computed. [2020-12-22 06:57:45,309 INFO L189 CegarLoopUtils]: For program point L144(lines 144 161) no Hoare annotation was computed. [2020-12-22 06:57:45,309 INFO L189 CegarLoopUtils]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2020-12-22 06:57:45,309 INFO L189 CegarLoopUtils]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2020-12-22 06:57:45,309 INFO L189 CegarLoopUtils]: For program point L260(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:45,309 INFO L185 CegarLoopUtils]: At program point L260-1(lines 260 266) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:45,309 INFO L185 CegarLoopUtils]: At program point L954(lines 945 958) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2))) [2020-12-22 06:57:45,309 INFO L185 CegarLoopUtils]: At program point L954-1(lines 945 958) the Hoare annotation is: false [2020-12-22 06:57:45,309 INFO L185 CegarLoopUtils]: At program point L954-2(lines 945 958) the Hoare annotation is: false [2020-12-22 06:57:45,310 INFO L185 CegarLoopUtils]: At program point L112(lines 108 130) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2020-12-22 06:57:45,310 INFO L185 CegarLoopUtils]: At program point L112-1(lines 108 130) the Hoare annotation is: false [2020-12-22 06:57:45,310 INFO L185 CegarLoopUtils]: At program point L112-2(lines 108 130) the Hoare annotation is: false [2020-12-22 06:57:45,310 INFO L189 CegarLoopUtils]: For program point L872(lines 872 876) no Hoare annotation was computed. [2020-12-22 06:57:45,310 INFO L189 CegarLoopUtils]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2020-12-22 06:57:45,310 INFO L189 CegarLoopUtils]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2020-12-22 06:57:45,310 INFO L185 CegarLoopUtils]: At program point L823(lines 818 825) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,311 INFO L189 CegarLoopUtils]: For program point L246(lines 246 250) no Hoare annotation was computed. [2020-12-22 06:57:45,311 INFO L189 CegarLoopUtils]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2020-12-22 06:57:45,311 INFO L189 CegarLoopUtils]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2020-12-22 06:57:45,311 INFO L189 CegarLoopUtils]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2020-12-22 06:57:45,311 INFO L189 CegarLoopUtils]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2020-12-22 06:57:45,311 INFO L189 CegarLoopUtils]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2020-12-22 06:57:45,311 INFO L185 CegarLoopUtils]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-22 06:57:45,312 INFO L185 CegarLoopUtils]: At program point L709(lines 658 710) the Hoare annotation is: false [2020-12-22 06:57:45,312 INFO L185 CegarLoopUtils]: At program point L197-1(lines 192 200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-12-22 06:57:45,312 INFO L185 CegarLoopUtils]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2020-12-22 06:57:45,312 INFO L185 CegarLoopUtils]: At program point L197-3(lines 192 200) the Hoare annotation is: false [2020-12-22 06:57:45,312 INFO L185 CegarLoopUtils]: At program point L197-4(lines 192 200) the Hoare annotation is: false [2020-12-22 06:57:45,313 INFO L185 CegarLoopUtils]: At program point L197-5(lines 192 200) the Hoare annotation is: false [2020-12-22 06:57:45,313 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,313 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2020-12-22 06:57:45,313 INFO L189 CegarLoopUtils]: For program point L660(lines 659 708) no Hoare annotation was computed. [2020-12-22 06:57:45,313 INFO L189 CegarLoopUtils]: For program point L148(lines 148 156) no Hoare annotation was computed. [2020-12-22 06:57:45,313 INFO L189 CegarLoopUtils]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2020-12-22 06:57:45,313 INFO L189 CegarLoopUtils]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2020-12-22 06:57:45,314 INFO L185 CegarLoopUtils]: At program point L941(lines 936 944) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-12-22 06:57:45,314 INFO L185 CegarLoopUtils]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:45,314 INFO L185 CegarLoopUtils]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:45,314 INFO L189 CegarLoopUtils]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-12-22 06:57:45,314 INFO L185 CegarLoopUtils]: At program point L777(lines 773 779) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,314 INFO L185 CegarLoopUtils]: At program point L67(lines 1 958) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,315 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2020-12-22 06:57:45,315 INFO L189 CegarLoopUtils]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-12-22 06:57:45,315 INFO L189 CegarLoopUtils]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-12-22 06:57:45,315 INFO L189 CegarLoopUtils]: For program point L844(lines 844 861) no Hoare annotation was computed. [2020-12-22 06:57:45,315 INFO L185 CegarLoopUtils]: At program point L844-1(lines 1 958) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2))) [2020-12-22 06:57:45,315 INFO L192 CegarLoopUtils]: At program point L811(lines 792 814) the Hoare annotation is: true [2020-12-22 06:57:45,315 INFO L189 CegarLoopUtils]: For program point L844-2(lines 844 861) no Hoare annotation was computed. [2020-12-22 06:57:45,315 INFO L185 CegarLoopUtils]: At program point L844-3(lines 1 958) the Hoare annotation is: false [2020-12-22 06:57:45,316 INFO L189 CegarLoopUtils]: For program point L844-4(lines 844 861) no Hoare annotation was computed. [2020-12-22 06:57:45,316 INFO L189 CegarLoopUtils]: For program point L679(lines 679 685) no Hoare annotation was computed. [2020-12-22 06:57:45,316 INFO L185 CegarLoopUtils]: At program point L844-5(lines 1 958) the Hoare annotation is: false [2020-12-22 06:57:45,316 INFO L185 CegarLoopUtils]: At program point L679-1(lines 679 685) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:45,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:45 BoogieIcfgContainer [2020-12-22 06:57:45,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:45,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:45,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:45,362 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:45,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38" (3/4) ... [2020-12-22 06:57:45,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:45,396 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:45,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:45,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:45,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:45,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:45,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:45,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:45,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) [2020-12-22 06:57:45,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,438 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,438 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,554 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product36.cil.c-witness.graphml [2020-12-22 06:57:45,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:45,555 INFO L168 Benchmark]: Toolchain (without parser) took 8974.95 ms. Allocated memory was 162.5 MB in the beginning and 260.0 MB in the end (delta: 97.5 MB). Free memory was 143.6 MB in the beginning and 237.6 MB in the end (delta: -93.9 MB). Peak memory consumption was 150.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,556 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 162.5 MB. Free memory is still 134.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:45,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.42 ms. Allocated memory is still 162.5 MB. Free memory was 143.4 MB in the beginning and 138.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.98 ms. Allocated memory is still 162.5 MB. Free memory was 138.6 MB in the beginning and 135.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,557 INFO L168 Benchmark]: Boogie Preprocessor took 46.25 ms. Allocated memory is still 162.5 MB. Free memory was 135.5 MB in the beginning and 133.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,558 INFO L168 Benchmark]: RCFGBuilder took 1267.80 ms. Allocated memory was 162.5 MB in the beginning and 216.0 MB in the end (delta: 53.5 MB). Free memory was 133.2 MB in the beginning and 177.5 MB in the end (delta: -44.3 MB). Peak memory consumption was 38.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,559 INFO L168 Benchmark]: TraceAbstraction took 6482.61 ms. Allocated memory was 216.0 MB in the beginning and 260.0 MB in the end (delta: 44.0 MB). Free memory was 177.0 MB in the beginning and 96.0 MB in the end (delta: 81.0 MB). Peak memory consumption was 132.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,561 INFO L168 Benchmark]: Witness Printer took 193.07 ms. Allocated memory is still 260.0 MB. Free memory was 96.0 MB in the beginning and 237.6 MB in the end (delta: -141.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 162.5 MB. Free memory is still 134.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 847.42 ms. Allocated memory is still 162.5 MB. Free memory was 143.4 MB in the beginning and 138.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 123.98 ms. Allocated memory is still 162.5 MB. Free memory was 138.6 MB in the beginning and 135.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.25 ms. Allocated memory is still 162.5 MB. Free memory was 135.5 MB in the beginning and 133.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1267.80 ms. Allocated memory was 162.5 MB in the beginning and 216.0 MB in the end (delta: 53.5 MB). Free memory was 133.2 MB in the beginning and 177.5 MB in the end (delta: -44.3 MB). Peak memory consumption was 38.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6482.61 ms. Allocated memory was 216.0 MB in the beginning and 260.0 MB in the end (delta: 44.0 MB). Free memory was 177.0 MB in the beginning and 96.0 MB in the end (delta: 81.0 MB). Peak memory consumption was 132.4 MB. Max. memory is 8.0 GB. * Witness Printer took 193.07 ms. Allocated memory is still 260.0 MB. Free memory was 96.0 MB in the beginning and 237.6 MB in the end (delta: -141.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 845 SDtfs, 1307 SDslu, 1499 SDs, 0 SdLazy, 253 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 806 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 195 NumberOfFragments, 525 HoareAnnotationTreeSize, 39 FomulaSimplifications, 91806 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 39 FomulaSimplificationsInter, 7433 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 25691 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...