/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_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:48,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:48,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:48,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:48,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:48,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:48,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:48,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:48,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:48,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:48,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:48,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:48,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:48,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:48,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:48,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:48,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:48,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:48,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:48,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:48,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:48,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:48,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:48,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:48,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:48,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:48,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:48,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:48,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:48,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:48,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:48,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:48,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:48,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:48,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:48,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:48,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:48,234 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:48,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:48,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:48,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:48,237 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:48,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:48,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:48,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:48,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:48,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:48,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:48,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:48,238 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:48,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:48,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:48,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:48,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:48,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:48,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:48,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:48,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:48,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:48,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:48,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:48,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:48,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:48,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:48,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:48,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:48,749 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:48,751 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:48,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2020-12-22 06:56:48,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f4101d02/859a4542b1dc4b7a81360ab392790c79/FLAG6e3772ffe [2020-12-22 06:56:49,566 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:49,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2020-12-22 06:56:49,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f4101d02/859a4542b1dc4b7a81360ab392790c79/FLAG6e3772ffe [2020-12-22 06:56:49,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f4101d02/859a4542b1dc4b7a81360ab392790c79 [2020-12-22 06:56:49,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:49,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:49,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:49,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:49,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:49,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203d815e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49, skipping insertion in model container [2020-12-22 06:56:49,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:49,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:50,286 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_spec4_product56.cil.c[17014,17027] [2020-12-22 06:56:50,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:50,327 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:50,404 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_spec4_product56.cil.c[17014,17027] [2020-12-22 06:56:50,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:50,454 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:50,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50 WrapperNode [2020-12-22 06:56:50,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:50,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:50,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:50,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:50,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:50,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:50,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:50,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:50,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (1/1) ... [2020-12-22 06:56:50,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:50,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:50,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:50,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:50,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (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 06:56:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:52,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:52,578 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2020-12-22 06:56:52,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:52 BoogieIcfgContainer [2020-12-22 06:56:52,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:52,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:52,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:52,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:52,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:49" (1/3) ... [2020-12-22 06:56:52,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dc1d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:52, skipping insertion in model container [2020-12-22 06:56:52,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:50" (2/3) ... [2020-12-22 06:56:52,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dc1d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:52, skipping insertion in model container [2020-12-22 06:56:52,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:52" (3/3) ... [2020-12-22 06:56:52,618 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2020-12-22 06:56:52,639 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:52,646 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:52,676 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:52,710 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:52,710 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:52,710 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:52,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:52,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:52,711 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:52,711 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:52,711 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-12-22 06:56:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:52,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,783 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2020-12-22 06:56:52,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749828647] [2020-12-22 06:56:52,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,091 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 06:56:53,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749828647] [2020-12-22 06:56:53,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:53,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057297971] [2020-12-22 06:56:53,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:53,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:53,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:53,119 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-12-22 06:56:53,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,170 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2020-12-22 06:56:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:53,171 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:53,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,186 INFO L225 Difference]: With dead ends: 376 [2020-12-22 06:56:53,187 INFO L226 Difference]: Without dead ends: 187 [2020-12-22 06:56:53,192 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 06:56:53,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-12-22 06:56:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-12-22 06:56:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-12-22 06:56:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-12-22 06:56:53,286 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-12-22 06:56:53,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,287 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-12-22 06:56:53,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-12-22 06:56:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:53,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:53,293 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,294 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2020-12-22 06:56:53,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40380294] [2020-12-22 06:56:53,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,441 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 06:56:53,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40380294] [2020-12-22 06:56:53,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:53,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491777117] [2020-12-22 06:56:53,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:53,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:53,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:53,447 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-12-22 06:56:53,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,467 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-12-22 06:56:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:53,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:53,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,469 INFO L225 Difference]: With dead ends: 187 [2020-12-22 06:56:53,470 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:56:53,471 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 06:56:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:56:53,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-22 06:56:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:56:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-12-22 06:56:53,481 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-12-22 06:56:53,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,481 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-12-22 06:56:53,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:53,481 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-12-22 06:56:53,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:53,483 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,483 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] [2020-12-22 06:56:53,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:53,483 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2020-12-22 06:56:53,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653977505] [2020-12-22 06:56:53,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,613 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 06:56:53,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653977505] [2020-12-22 06:56:53,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:53,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397406364] [2020-12-22 06:56:53,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:53,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:53,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:53,616 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2020-12-22 06:56:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,665 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2020-12-22 06:56:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:53,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,667 INFO L225 Difference]: With dead ends: 207 [2020-12-22 06:56:53,668 INFO L226 Difference]: Without dead ends: 140 [2020-12-22 06:56:53,669 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 06:56:53,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-12-22 06:56:53,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2020-12-22 06:56:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-12-22 06:56:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2020-12-22 06:56:53,687 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2020-12-22 06:56:53,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,688 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2020-12-22 06:56:53,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:53,688 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2020-12-22 06:56:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:53,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:53,690 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,691 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2020-12-22 06:56:53,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513255959] [2020-12-22 06:56:53,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,836 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 06:56:53,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513255959] [2020-12-22 06:56:53,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:53,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988094996] [2020-12-22 06:56:53,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:53,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:53,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:53,841 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand 3 states. [2020-12-22 06:56:53,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,940 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2020-12-22 06:56:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:53,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:56:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,944 INFO L225 Difference]: With dead ends: 283 [2020-12-22 06:56:53,944 INFO L226 Difference]: Without dead ends: 153 [2020-12-22 06:56:53,946 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 06:56:53,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-12-22 06:56:53,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2020-12-22 06:56:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-22 06:56:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2020-12-22 06:56:53,963 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2020-12-22 06:56:53,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,964 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2020-12-22 06:56:53,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2020-12-22 06:56:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:53,965 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:53,966 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2020-12-22 06:56:53,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023308652] [2020-12-22 06:56:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,065 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 06:56:54,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023308652] [2020-12-22 06:56:54,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:54,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:54,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267193701] [2020-12-22 06:56:54,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:54,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:54,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:54,069 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand 5 states. [2020-12-22 06:56:54,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,252 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2020-12-22 06:56:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:54,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:56:54,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,258 INFO L225 Difference]: With dead ends: 527 [2020-12-22 06:56:54,258 INFO L226 Difference]: Without dead ends: 382 [2020-12-22 06:56:54,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:54,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-22 06:56:54,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2020-12-22 06:56:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-22 06:56:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2020-12-22 06:56:54,330 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2020-12-22 06:56:54,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,330 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2020-12-22 06:56:54,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2020-12-22 06:56:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:56:54,337 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:54,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:54,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:54,338 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:54,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:54,342 INFO L82 PathProgramCache]: Analyzing trace with hash -936354291, now seen corresponding path program 1 times [2020-12-22 06:56:54,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:54,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860042219] [2020-12-22 06:56:54,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,464 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 06:56:54,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860042219] [2020-12-22 06:56:54,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:54,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:54,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767028628] [2020-12-22 06:56:54,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:54,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:54,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:54,468 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand 5 states. [2020-12-22 06:56:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,778 INFO L93 Difference]: Finished difference Result 526 states and 754 transitions. [2020-12-22 06:56:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:54,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:56:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,782 INFO L225 Difference]: With dead ends: 526 [2020-12-22 06:56:54,783 INFO L226 Difference]: Without dead ends: 524 [2020-12-22 06:56:54,783 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 06:56:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-12-22 06:56:54,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 236. [2020-12-22 06:56:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-22 06:56:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2020-12-22 06:56:54,828 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 26 [2020-12-22 06:56:54,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,828 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2020-12-22 06:56:54,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2020-12-22 06:56:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:56:54,836 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:54,836 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] [2020-12-22 06:56:54,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:56:54,839 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:54,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:54,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1821957235, now seen corresponding path program 1 times [2020-12-22 06:56:54,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:54,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301902412] [2020-12-22 06:56:54,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:54,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301902412] [2020-12-22 06:56:54,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:54,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:54,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182574067] [2020-12-22 06:56:54,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:54,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:54,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:54,930 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand 4 states. [2020-12-22 06:56:55,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,149 INFO L93 Difference]: Finished difference Result 496 states and 705 transitions. [2020-12-22 06:56:55,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:55,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:56:55,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,153 INFO L225 Difference]: With dead ends: 496 [2020-12-22 06:56:55,153 INFO L226 Difference]: Without dead ends: 351 [2020-12-22 06:56:55,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:55,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-12-22 06:56:55,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 347. [2020-12-22 06:56:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-12-22 06:56:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 483 transitions. [2020-12-22 06:56:55,181 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 483 transitions. Word has length 32 [2020-12-22 06:56:55,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,181 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 483 transitions. [2020-12-22 06:56:55,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 483 transitions. [2020-12-22 06:56:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:56:55,183 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,183 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] [2020-12-22 06:56:55,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:56:55,183 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2080122673, now seen corresponding path program 1 times [2020-12-22 06:56:55,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121070307] [2020-12-22 06:56:55,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:55,244 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 06:56:55,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121070307] [2020-12-22 06:56:55,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:55,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:55,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081076429] [2020-12-22 06:56:55,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:55,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:55,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:55,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:55,247 INFO L87 Difference]: Start difference. First operand 347 states and 483 transitions. Second operand 4 states. [2020-12-22 06:56:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,391 INFO L93 Difference]: Finished difference Result 1020 states and 1436 transitions. [2020-12-22 06:56:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:55,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:56:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,396 INFO L225 Difference]: With dead ends: 1020 [2020-12-22 06:56:55,396 INFO L226 Difference]: Without dead ends: 762 [2020-12-22 06:56:55,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:55,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-12-22 06:56:55,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 347. [2020-12-22 06:56:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-12-22 06:56:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 477 transitions. [2020-12-22 06:56:55,435 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 477 transitions. Word has length 32 [2020-12-22 06:56:55,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,437 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 477 transitions. [2020-12-22 06:56:55,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2020-12-22 06:56:55,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:56:55,439 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,439 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] [2020-12-22 06:56:55,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:56:55,441 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1687095663, now seen corresponding path program 1 times [2020-12-22 06:56:55,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003561215] [2020-12-22 06:56:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:55,564 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 06:56:55,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003561215] [2020-12-22 06:56:55,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:55,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:55,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069905288] [2020-12-22 06:56:55,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:55,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:55,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:55,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:55,573 INFO L87 Difference]: Start difference. First operand 347 states and 477 transitions. Second operand 5 states. [2020-12-22 06:56:55,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,932 INFO L93 Difference]: Finished difference Result 1072 states and 1488 transitions. [2020-12-22 06:56:55,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:56:55,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:56:55,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,938 INFO L225 Difference]: With dead ends: 1072 [2020-12-22 06:56:55,938 INFO L226 Difference]: Without dead ends: 814 [2020-12-22 06:56:55,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:55,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-12-22 06:56:55,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 378. [2020-12-22 06:56:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-12-22 06:56:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 523 transitions. [2020-12-22 06:56:55,983 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 523 transitions. Word has length 32 [2020-12-22 06:56:55,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,984 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 523 transitions. [2020-12-22 06:56:55,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 523 transitions. [2020-12-22 06:56:55,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 06:56:55,987 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,988 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-12-22 06:56:55,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:56:55,989 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,989 INFO L82 PathProgramCache]: Analyzing trace with hash -434242403, now seen corresponding path program 1 times [2020-12-22 06:56:55,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861337082] [2020-12-22 06:56:55,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:56,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861337082] [2020-12-22 06:56:56,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:56,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223593078] [2020-12-22 06:56:56,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:56,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:56,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:56,088 INFO L87 Difference]: Start difference. First operand 378 states and 523 transitions. Second operand 3 states. [2020-12-22 06:56:56,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,248 INFO L93 Difference]: Finished difference Result 640 states and 882 transitions. [2020-12-22 06:56:56,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:56,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-22 06:56:56,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,254 INFO L225 Difference]: With dead ends: 640 [2020-12-22 06:56:56,255 INFO L226 Difference]: Without dead ends: 268 [2020-12-22 06:56:56,256 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 06:56:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-12-22 06:56:56,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 260. [2020-12-22 06:56:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-12-22 06:56:56,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 353 transitions. [2020-12-22 06:56:56,287 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 353 transitions. Word has length 49 [2020-12-22 06:56:56,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,289 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 353 transitions. [2020-12-22 06:56:56,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:56,289 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 353 transitions. [2020-12-22 06:56:56,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:56:56,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 06:56:56,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:56:56,291 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1755773973, now seen corresponding path program 1 times [2020-12-22 06:56:56,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468208288] [2020-12-22 06:56:56,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:56,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468208288] [2020-12-22 06:56:56,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:56,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833785213] [2020-12-22 06:56:56,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:56,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:56,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:56,376 INFO L87 Difference]: Start difference. First operand 260 states and 353 transitions. Second operand 5 states. [2020-12-22 06:56:56,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,576 INFO L93 Difference]: Finished difference Result 784 states and 1060 transitions. [2020-12-22 06:56:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:56,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:56:56,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,581 INFO L225 Difference]: With dead ends: 784 [2020-12-22 06:56:56,581 INFO L226 Difference]: Without dead ends: 530 [2020-12-22 06:56:56,582 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 06:56:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-12-22 06:56:56,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 272. [2020-12-22 06:56:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-22 06:56:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 365 transitions. [2020-12-22 06:56:56,624 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 365 transitions. Word has length 54 [2020-12-22 06:56:56,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,625 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 365 transitions. [2020-12-22 06:56:56,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 365 transitions. [2020-12-22 06:56:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:56:56,627 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,627 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 06:56:56,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:56:56,627 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,628 INFO L82 PathProgramCache]: Analyzing trace with hash 2073779755, now seen corresponding path program 1 times [2020-12-22 06:56:56,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351376218] [2020-12-22 06:56:56,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:56:56,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351376218] [2020-12-22 06:56:56,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:56,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446088312] [2020-12-22 06:56:56,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:56,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:56,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:56,722 INFO L87 Difference]: Start difference. First operand 272 states and 365 transitions. Second operand 5 states. [2020-12-22 06:56:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,911 INFO L93 Difference]: Finished difference Result 648 states and 861 transitions. [2020-12-22 06:56:56,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:56,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:56:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,914 INFO L225 Difference]: With dead ends: 648 [2020-12-22 06:56:56,915 INFO L226 Difference]: Without dead ends: 382 [2020-12-22 06:56:56,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:56,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-22 06:56:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 237. [2020-12-22 06:56:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-12-22 06:56:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 310 transitions. [2020-12-22 06:56:56,949 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 310 transitions. Word has length 54 [2020-12-22 06:56:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,949 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 310 transitions. [2020-12-22 06:56:56,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 310 transitions. [2020-12-22 06:56:56,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 06:56:56,950 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,950 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:56,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:56:56,951 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2020-12-22 06:56:56,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861097300] [2020-12-22 06:56:56,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:57,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861097300] [2020-12-22 06:56:57,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339345982] [2020-12-22 06:56:57,058 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 06:56:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:57,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:56:57,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:57,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:56:57,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-12-22 06:56:57,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045233914] [2020-12-22 06:56:57,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:57,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:57,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:57,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:57,577 INFO L87 Difference]: Start difference. First operand 237 states and 310 transitions. Second operand 8 states. [2020-12-22 06:56:57,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:57,997 INFO L93 Difference]: Finished difference Result 862 states and 1146 transitions. [2020-12-22 06:56:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:56:57,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-12-22 06:56:57,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:58,002 INFO L225 Difference]: With dead ends: 862 [2020-12-22 06:56:58,002 INFO L226 Difference]: Without dead ends: 680 [2020-12-22 06:56:58,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:56:58,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-12-22 06:56:58,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 297. [2020-12-22 06:56:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-12-22 06:56:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 389 transitions. [2020-12-22 06:56:58,050 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 389 transitions. Word has length 57 [2020-12-22 06:56:58,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:58,050 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 389 transitions. [2020-12-22 06:56:58,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 389 transitions. [2020-12-22 06:56:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:56:58,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:58,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-12-22 06:56:58,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 06:56:58,266 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:58,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:58,266 INFO L82 PathProgramCache]: Analyzing trace with hash 579418767, now seen corresponding path program 2 times [2020-12-22 06:56:58,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:58,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229472284] [2020-12-22 06:56:58,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:58,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229472284] [2020-12-22 06:56:58,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:58,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:58,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198077361] [2020-12-22 06:56:58,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:58,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:58,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:58,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:58,403 INFO L87 Difference]: Start difference. First operand 297 states and 389 transitions. Second operand 5 states. [2020-12-22 06:56:58,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:58,816 INFO L93 Difference]: Finished difference Result 898 states and 1191 transitions. [2020-12-22 06:56:58,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:58,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:56:58,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:58,820 INFO L225 Difference]: With dead ends: 898 [2020-12-22 06:56:58,820 INFO L226 Difference]: Without dead ends: 649 [2020-12-22 06:56:58,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:58,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-12-22 06:56:58,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 413. [2020-12-22 06:56:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-12-22 06:56:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 540 transitions. [2020-12-22 06:56:58,876 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 540 transitions. Word has length 82 [2020-12-22 06:56:58,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:58,876 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 540 transitions. [2020-12-22 06:56:58,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 540 transitions. [2020-12-22 06:56:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:56:58,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:58,878 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-12-22 06:56:58,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:56:58,879 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:58,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:58,879 INFO L82 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2020-12-22 06:56:58,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:58,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153248104] [2020-12-22 06:56:58,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:58,958 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:56:58,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153248104] [2020-12-22 06:56:58,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:58,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:58,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437529241] [2020-12-22 06:56:58,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:58,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:58,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:58,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:58,964 INFO L87 Difference]: Start difference. First operand 413 states and 540 transitions. Second operand 5 states. [2020-12-22 06:56:59,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:59,066 INFO L93 Difference]: Finished difference Result 790 states and 1030 transitions. [2020-12-22 06:56:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:59,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:56:59,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:59,068 INFO L225 Difference]: With dead ends: 790 [2020-12-22 06:56:59,068 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:59,072 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 06:56:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:59,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-12-22 06:56:59,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:59,073 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:59,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:59,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:59,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 06:56:59,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:59,776 WARN L197 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 156 [2020-12-22 06:57:00,054 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 125 [2020-12-22 06:57:00,238 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 89 [2020-12-22 06:57:00,795 WARN L197 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 141 [2020-12-22 06:57:01,120 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 106 [2020-12-22 06:57:01,762 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 161 [2020-12-22 06:57:02,396 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 177 [2020-12-22 06:57:02,857 WARN L197 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 177 [2020-12-22 06:57:03,977 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-12-22 06:57:04,575 WARN L197 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 30 [2020-12-22 06:57:04,904 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 25 [2020-12-22 06:57:05,733 WARN L197 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 14 [2020-12-22 06:57:06,453 WARN L197 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 10 [2020-12-22 06:57:06,794 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-12-22 06:57:08,017 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-12-22 06:57:08,229 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2020-12-22 06:57:08,474 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2020-12-22 06:57:08,716 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2020-12-22 06:57:09,871 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-12-22 06:57:11,100 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-12-22 06:57:11,130 INFO L192 CegarLoopUtils]: At program point L861(lines 842 864) the Hoare annotation is: true [2020-12-22 06:57:11,131 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2020-12-22 06:57:11,131 INFO L189 CegarLoopUtils]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,131 INFO L189 CegarLoopUtils]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,131 INFO L189 CegarLoopUtils]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,131 INFO L189 CegarLoopUtils]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,132 INFO L185 CegarLoopUtils]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3 .cse1))) [2020-12-22 06:57:11,132 INFO L189 CegarLoopUtils]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,132 INFO L185 CegarLoopUtils]: At program point L69-1(lines 69 75) the Hoare annotation is: false [2020-12-22 06:57:11,132 INFO L189 CegarLoopUtils]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,132 INFO L185 CegarLoopUtils]: At program point L69-2(lines 69 75) the Hoare annotation is: false [2020-12-22 06:57:11,132 INFO L189 CegarLoopUtils]: For program point L267-9(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,132 INFO L189 CegarLoopUtils]: For program point L267-11(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,132 INFO L189 CegarLoopUtils]: For program point L267-12(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,133 INFO L189 CegarLoopUtils]: For program point L267-14(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,133 INFO L189 CegarLoopUtils]: For program point L267-15(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,133 INFO L185 CegarLoopUtils]: At program point L730(lines 679 731) the Hoare annotation is: false [2020-12-22 06:57:11,133 INFO L189 CegarLoopUtils]: For program point L267-17(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:57:11,133 INFO L185 CegarLoopUtils]: At program point L963(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,133 INFO L185 CegarLoopUtils]: At program point L963-1(lines 954 967) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:11,134 INFO L185 CegarLoopUtils]: At program point L963-2(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,134 INFO L185 CegarLoopUtils]: At program point L963-3(lines 954 967) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:11,134 INFO L185 CegarLoopUtils]: At program point L963-4(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,135 INFO L185 CegarLoopUtils]: At program point L963-5(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,135 INFO L185 CegarLoopUtils]: At program point L963-6(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,137 INFO L185 CegarLoopUtils]: At program point L963-7(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,137 INFO L185 CegarLoopUtils]: At program point L963-8(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,137 INFO L185 CegarLoopUtils]: At program point L963-9(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,137 INFO L185 CegarLoopUtils]: At program point L963-10(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,137 INFO L185 CegarLoopUtils]: At program point L963-11(lines 954 967) the Hoare annotation is: false [2020-12-22 06:57:11,138 INFO L189 CegarLoopUtils]: For program point L700(lines 700 706) no Hoare annotation was computed. [2020-12-22 06:57:11,138 INFO L185 CegarLoopUtils]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse5 .cse1 .cse3) (and .cse5 .cse2 .cse3 .cse4))) [2020-12-22 06:57:11,140 INFO L185 CegarLoopUtils]: At program point L273(lines 258 276) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:11,140 INFO L185 CegarLoopUtils]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2020-12-22 06:57:11,140 INFO L185 CegarLoopUtils]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2020-12-22 06:57:11,140 INFO L185 CegarLoopUtils]: At program point L273-3(lines 258 276) the Hoare annotation is: false [2020-12-22 06:57:11,140 INFO L185 CegarLoopUtils]: At program point L273-4(lines 258 276) the Hoare annotation is: false [2020-12-22 06:57:11,140 INFO L185 CegarLoopUtils]: At program point L273-5(lines 258 276) the Hoare annotation is: false [2020-12-22 06:57:11,140 INFO L185 CegarLoopUtils]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:11,143 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2020-12-22 06:57:11,143 INFO L189 CegarLoopUtils]: For program point L870(line 870) no Hoare annotation was computed. [2020-12-22 06:57:11,143 INFO L189 CegarLoopUtils]: For program point L870-1(line 870) no Hoare annotation was computed. [2020-12-22 06:57:11,143 INFO L189 CegarLoopUtils]: For program point L870-2(line 870) no Hoare annotation was computed. [2020-12-22 06:57:11,143 INFO L189 CegarLoopUtils]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-12-22 06:57:11,143 INFO L189 CegarLoopUtils]: For program point L146(lines 146 163) no Hoare annotation was computed. [2020-12-22 06:57:11,143 INFO L189 CegarLoopUtils]: For program point L146-1(lines 146 163) no Hoare annotation was computed. [2020-12-22 06:57:11,144 INFO L189 CegarLoopUtils]: For program point L146-2(lines 146 163) no Hoare annotation was computed. [2020-12-22 06:57:11,144 INFO L185 CegarLoopUtils]: At program point L973(lines 968 976) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:11,144 INFO L185 CegarLoopUtils]: At program point L973-1(lines 968 976) the Hoare annotation is: false [2020-12-22 06:57:11,144 INFO L185 CegarLoopUtils]: At program point L973-2(lines 968 976) the Hoare annotation is: false [2020-12-22 06:57:11,144 INFO L185 CegarLoopUtils]: At program point L973-3(lines 968 976) the Hoare annotation is: false [2020-12-22 06:57:11,144 INFO L185 CegarLoopUtils]: At program point L973-4(lines 968 976) the Hoare annotation is: false [2020-12-22 06:57:11,144 INFO L185 CegarLoopUtils]: At program point L973-5(lines 968 976) the Hoare annotation is: false [2020-12-22 06:57:11,145 INFO L189 CegarLoopUtils]: For program point L710(lines 710 725) no Hoare annotation was computed. [2020-12-22 06:57:11,145 INFO L189 CegarLoopUtils]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:57:11,145 INFO L185 CegarLoopUtils]: At program point L281-1(lines 281 287) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:11,145 INFO L189 CegarLoopUtils]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,145 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,145 INFO L189 CegarLoopUtils]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,145 INFO L189 CegarLoopUtils]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,145 INFO L189 CegarLoopUtils]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,146 INFO L185 CegarLoopUtils]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:11,146 INFO L189 CegarLoopUtils]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,146 INFO L189 CegarLoopUtils]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,146 INFO L189 CegarLoopUtils]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,146 INFO L189 CegarLoopUtils]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,146 INFO L189 CegarLoopUtils]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,146 INFO L189 CegarLoopUtils]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,146 INFO L189 CegarLoopUtils]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,147 INFO L189 CegarLoopUtils]: For program point L248-18(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,147 INFO L189 CegarLoopUtils]: For program point L248-20(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,148 INFO L189 CegarLoopUtils]: For program point L248-21(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,148 INFO L189 CegarLoopUtils]: For program point L248-23(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,148 INFO L189 CegarLoopUtils]: For program point L248-24(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,148 INFO L189 CegarLoopUtils]: For program point L248-26(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,148 INFO L189 CegarLoopUtils]: For program point L248-27(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,148 INFO L189 CegarLoopUtils]: For program point L248-29(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,148 INFO L189 CegarLoopUtils]: For program point L248-30(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,149 INFO L189 CegarLoopUtils]: For program point L248-32(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,149 INFO L189 CegarLoopUtils]: For program point L248-33(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,149 INFO L189 CegarLoopUtils]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-12-22 06:57:11,149 INFO L189 CegarLoopUtils]: For program point L150-1(lines 150 158) no Hoare annotation was computed. [2020-12-22 06:57:11,149 INFO L189 CegarLoopUtils]: For program point L248-35(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:57:11,150 INFO L189 CegarLoopUtils]: For program point L150-2(lines 150 158) no Hoare annotation was computed. [2020-12-22 06:57:11,150 INFO L185 CegarLoopUtils]: At program point L778-2(lines 778 792) the Hoare annotation is: false [2020-12-22 06:57:11,150 INFO L189 CegarLoopUtils]: For program point L779(line 779) no Hoare annotation was computed. [2020-12-22 06:57:11,150 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:11,150 INFO L189 CegarLoopUtils]: For program point L681(lines 680 729) no Hoare annotation was computed. [2020-12-22 06:57:11,150 INFO L189 CegarLoopUtils]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-12-22 06:57:11,150 INFO L189 CegarLoopUtils]: For program point L120-1(lines 120 137) no Hoare annotation was computed. [2020-12-22 06:57:11,150 INFO L189 CegarLoopUtils]: For program point L120-2(lines 120 137) no Hoare annotation was computed. [2020-12-22 06:57:11,151 INFO L189 CegarLoopUtils]: For program point L120-3(lines 120 137) no Hoare annotation was computed. [2020-12-22 06:57:11,151 INFO L189 CegarLoopUtils]: For program point L120-4(lines 120 137) no Hoare annotation was computed. [2020-12-22 06:57:11,151 INFO L189 CegarLoopUtils]: For program point L120-5(lines 120 137) no Hoare annotation was computed. [2020-12-22 06:57:11,151 INFO L189 CegarLoopUtils]: For program point L682(lines 682 686) no Hoare annotation was computed. [2020-12-22 06:57:11,152 INFO L189 CegarLoopUtils]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-12-22 06:57:11,152 INFO L189 CegarLoopUtils]: For program point L881-3(lines 881 885) no Hoare annotation was computed. [2020-12-22 06:57:11,152 INFO L189 CegarLoopUtils]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-12-22 06:57:11,152 INFO L189 CegarLoopUtils]: For program point L749(lines 749 762) no Hoare annotation was computed. [2020-12-22 06:57:11,152 INFO L189 CegarLoopUtils]: For program point L782-1(lines 62 68) no Hoare annotation was computed. [2020-12-22 06:57:11,152 INFO L185 CegarLoopUtils]: At program point L749-1(lines 1 1011) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse4 .cse1 .cse5 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse4 .cse1))) [2020-12-22 06:57:11,153 INFO L189 CegarLoopUtils]: For program point L749-2(lines 749 762) no Hoare annotation was computed. [2020-12-22 06:57:11,153 INFO L189 CegarLoopUtils]: For program point L881-6(lines 881 885) no Hoare annotation was computed. [2020-12-22 06:57:11,153 INFO L185 CegarLoopUtils]: At program point L749-3(lines 1 1011) the Hoare annotation is: false [2020-12-22 06:57:11,153 INFO L189 CegarLoopUtils]: For program point L749-4(lines 749 762) no Hoare annotation was computed. [2020-12-22 06:57:11,153 INFO L185 CegarLoopUtils]: At program point L749-5(lines 1 1011) the Hoare annotation is: false [2020-12-22 06:57:11,154 INFO L185 CegarLoopUtils]: At program point L254(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,154 INFO L185 CegarLoopUtils]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (not .cse1) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 (not .cse0) .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0)))) [2020-12-22 06:57:11,154 INFO L185 CegarLoopUtils]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,155 INFO L185 CegarLoopUtils]: At program point L254-3(lines 239 257) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 (not .cse3) .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0)) (and .cse3 .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse4))) [2020-12-22 06:57:11,155 INFO L185 CegarLoopUtils]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,155 INFO L185 CegarLoopUtils]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,155 INFO L185 CegarLoopUtils]: At program point L254-6(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,155 INFO L185 CegarLoopUtils]: At program point L254-7(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,155 INFO L185 CegarLoopUtils]: At program point L254-8(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,155 INFO L185 CegarLoopUtils]: At program point L254-9(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,156 INFO L185 CegarLoopUtils]: At program point L254-10(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,156 INFO L185 CegarLoopUtils]: At program point L254-11(lines 239 257) the Hoare annotation is: false [2020-12-22 06:57:11,156 INFO L189 CegarLoopUtils]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-12-22 06:57:11,156 INFO L185 CegarLoopUtils]: At program point L718-1(lines 62 68) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= 0 ~systemActive~0) .cse2 (<= 1 ~waterLevel~0) .cse1) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1))) [2020-12-22 06:57:11,156 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:11,156 INFO L185 CegarLoopUtils]: At program point L190(lines 183 193) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:11,156 INFO L185 CegarLoopUtils]: At program point L190-1(lines 183 193) the Hoare annotation is: false [2020-12-22 06:57:11,156 INFO L189 CegarLoopUtils]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-12-22 06:57:11,157 INFO L185 CegarLoopUtils]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2020-12-22 06:57:11,157 INFO L189 CegarLoopUtils]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2020-12-22 06:57:11,157 INFO L189 CegarLoopUtils]: For program point L124-2(lines 124 132) no Hoare annotation was computed. [2020-12-22 06:57:11,157 INFO L189 CegarLoopUtils]: For program point L124-3(lines 124 132) no Hoare annotation was computed. [2020-12-22 06:57:11,157 INFO L189 CegarLoopUtils]: For program point L124-4(lines 124 132) no Hoare annotation was computed. [2020-12-22 06:57:11,157 INFO L189 CegarLoopUtils]: For program point L124-5(lines 124 132) no Hoare annotation was computed. [2020-12-22 06:57:11,157 INFO L185 CegarLoopUtils]: At program point L950(lines 945 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4 .cse2) (and (= 0 ~systemActive~0) .cse3 .cse1 .cse4 .cse2))) [2020-12-22 06:57:11,158 INFO L185 CegarLoopUtils]: At program point L950-1(lines 945 953) the Hoare annotation is: false [2020-12-22 06:57:11,158 INFO L185 CegarLoopUtils]: At program point L950-2(lines 945 953) the Hoare annotation is: false [2020-12-22 06:57:11,158 INFO L185 CegarLoopUtils]: At program point L918(lines 913 921) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:11,158 INFO L185 CegarLoopUtils]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2020-12-22 06:57:11,158 INFO L189 CegarLoopUtils]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-12-22 06:57:11,158 INFO L185 CegarLoopUtils]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2020-12-22 06:57:11,158 INFO L192 CegarLoopUtils]: At program point L852-1(lines 852 859) the Hoare annotation is: true [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point L753(lines 753 759) no Hoare annotation was computed. [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point L753-2(lines 753 759) no Hoare annotation was computed. [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point L753-4(lines 753 759) no Hoare annotation was computed. [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point L94-1(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point L94-2(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point L94-3(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,159 INFO L189 CegarLoopUtils]: For program point L94-4(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,160 INFO L189 CegarLoopUtils]: For program point L94-5(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,160 INFO L189 CegarLoopUtils]: For program point L94-6(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,160 INFO L189 CegarLoopUtils]: For program point L94-7(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,160 INFO L189 CegarLoopUtils]: For program point L94-8(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,160 INFO L189 CegarLoopUtils]: For program point L94-9(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,160 INFO L189 CegarLoopUtils]: For program point L94-10(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,160 INFO L189 CegarLoopUtils]: For program point L94-11(lines 94 111) no Hoare annotation was computed. [2020-12-22 06:57:11,161 INFO L185 CegarLoopUtils]: At program point L62(lines 61 80) the Hoare annotation is: (let ((.cse1 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1) (and (= 0 ~systemActive~0) (= ~pumpRunning~0 0) .cse1 .cse0))) [2020-12-22 06:57:11,161 INFO L189 CegarLoopUtils]: For program point L62-1(lines 62 68) no Hoare annotation was computed. [2020-12-22 06:57:11,161 INFO L185 CegarLoopUtils]: At program point L62-2(lines 61 80) the Hoare annotation is: false [2020-12-22 06:57:11,161 INFO L185 CegarLoopUtils]: At program point L62-3(lines 61 80) the Hoare annotation is: false [2020-12-22 06:57:11,161 INFO L189 CegarLoopUtils]: For program point L690(lines 690 696) no Hoare annotation was computed. [2020-12-22 06:57:11,161 INFO L185 CegarLoopUtils]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse5 .cse1 .cse3) (and .cse5 .cse2 .cse3 .cse4))) [2020-12-22 06:57:11,161 INFO L189 CegarLoopUtils]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,161 INFO L189 CegarLoopUtils]: For program point L98-1(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L98-2(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L98-3(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L98-4(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L98-5(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L98-6(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L98-7(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L98-8(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,162 INFO L189 CegarLoopUtils]: For program point L98-9(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,163 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2020-12-22 06:57:11,163 INFO L189 CegarLoopUtils]: For program point L98-10(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,163 INFO L189 CegarLoopUtils]: For program point L98-11(lines 98 106) no Hoare annotation was computed. [2020-12-22 06:57:11,163 INFO L189 CegarLoopUtils]: For program point L958(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,163 INFO L189 CegarLoopUtils]: For program point L958-1(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,163 INFO L189 CegarLoopUtils]: For program point L958-2(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,163 INFO L189 CegarLoopUtils]: For program point L958-3(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,164 INFO L185 CegarLoopUtils]: At program point L826(lines 822 828) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:11,164 INFO L189 CegarLoopUtils]: For program point L958-4(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,164 INFO L189 CegarLoopUtils]: For program point L958-5(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,164 INFO L189 CegarLoopUtils]: For program point L958-6(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,164 INFO L189 CegarLoopUtils]: For program point L958-7(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,164 INFO L189 CegarLoopUtils]: For program point L958-8(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,164 INFO L189 CegarLoopUtils]: For program point L958-9(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,164 INFO L189 CegarLoopUtils]: For program point L958-10(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,164 INFO L189 CegarLoopUtils]: For program point L958-11(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:57:11,166 INFO L185 CegarLoopUtils]: At program point L199(lines 194 202) the Hoare annotation is: false [2020-12-22 06:57:11,166 INFO L185 CegarLoopUtils]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2020-12-22 06:57:11,166 INFO L185 CegarLoopUtils]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2020-12-22 06:57:11,166 INFO L189 CegarLoopUtils]: For program point L893(lines 893 897) no Hoare annotation was computed. [2020-12-22 06:57:11,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:11 BoogieIcfgContainer [2020-12-22 06:57:11,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:11,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:11,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:11,235 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:11,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:52" (3/4) ... [2020-12-22 06:57:11,241 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:11,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:11,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:11,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:11,296 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:11,297 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:11,299 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:11,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:11,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:11,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:57:11,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:57:11,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((0 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:11,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-22 06:57:11,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:11,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) || (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:11,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:57:11,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:11,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp___0 == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:57:11,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) [2020-12-22 06:57:11,490 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product56.cil.c-witness.graphml [2020-12-22 06:57:11,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:11,492 INFO L168 Benchmark]: Toolchain (without parser) took 21645.78 ms. Allocated memory was 159.4 MB in the beginning and 412.1 MB in the end (delta: 252.7 MB). Free memory was 133.8 MB in the beginning and 205.5 MB in the end (delta: -71.7 MB). Peak memory consumption was 182.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:11,492 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 159.4 MB. Free memory was 129.9 MB in the beginning and 129.8 MB in the end (delta: 80.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:11,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.59 ms. Allocated memory is still 159.4 MB. Free memory was 133.5 MB in the beginning and 111.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:11,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.41 ms. Allocated memory is still 159.4 MB. Free memory was 111.2 MB in the beginning and 106.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:11,493 INFO L168 Benchmark]: Boogie Preprocessor took 152.88 ms. Allocated memory is still 159.4 MB. Free memory was 106.2 MB in the beginning and 138.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:11,494 INFO L168 Benchmark]: RCFGBuilder took 1857.63 ms. Allocated memory is still 159.4 MB. Free memory was 138.7 MB in the beginning and 57.5 MB in the end (delta: 81.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:11,495 INFO L168 Benchmark]: TraceAbstraction took 18644.02 ms. Allocated memory was 159.4 MB in the beginning and 412.1 MB in the end (delta: 252.7 MB). Free memory was 56.9 MB in the beginning and 221.4 MB in the end (delta: -164.4 MB). Peak memory consumption was 129.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:11,495 INFO L168 Benchmark]: Witness Printer took 255.83 ms. Allocated memory is still 412.1 MB. Free memory was 220.8 MB in the beginning and 205.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:11,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 159.4 MB. Free memory was 129.9 MB in the beginning and 129.8 MB in the end (delta: 80.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 598.59 ms. Allocated memory is still 159.4 MB. Free memory was 133.5 MB in the beginning and 111.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 120.41 ms. Allocated memory is still 159.4 MB. Free memory was 111.2 MB in the beginning and 106.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 152.88 ms. Allocated memory is still 159.4 MB. Free memory was 106.2 MB in the beginning and 138.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1857.63 ms. Allocated memory is still 159.4 MB. Free memory was 138.7 MB in the beginning and 57.5 MB in the end (delta: 81.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18644.02 ms. Allocated memory was 159.4 MB in the beginning and 412.1 MB in the end (delta: 252.7 MB). Free memory was 56.9 MB in the beginning and 221.4 MB in the end (delta: -164.4 MB). Peak memory consumption was 129.2 MB. Max. memory is 8.0 GB. * Witness Printer took 255.83 ms. Allocated memory is still 412.1 MB. Free memory was 220.8 MB in the beginning and 205.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: 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: 69]: Loop Invariant Derived loop invariant: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((0 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel) || (((0 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) || (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) || (((0 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp___0 == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2235 SDtfs, 2613 SDslu, 3460 SDs, 0 SdLazy, 495 SolverSat, 106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 2325 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 218 NumberOfFragments, 642 HoareAnnotationTreeSize, 68 FomulaSimplifications, 3276218 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 68 FomulaSimplificationsInter, 497140 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 646 ConstructedInterpolants, 0 QuantifiedInterpolants, 50796 SizeOfPredicates, 3 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 186/192 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...