/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:36,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:36,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:36,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:36,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:36,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:36,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:36,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:36,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:36,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:36,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:36,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:36,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:36,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:36,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:36,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:36,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:36,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:36,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:36,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:36,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:36,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:36,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:36,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:36,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:36,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:36,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:36,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:36,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:36,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:36,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:36,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:36,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:36,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:36,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:36,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:36,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:36,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:36,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:36,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:36,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:36,357 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:36,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:36,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:36,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:36,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:36,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:36,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:36,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:36,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:36,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:36,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:36,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:36,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:36,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:36,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:36,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:36,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:36,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:36,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:36,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:36,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:36,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:36,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:36,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:36,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:36,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:36,844 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:36,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2020-12-22 06:54:36,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a2e0975/ad5b2cc09d344a3daaaec4ea67f12cb7/FLAG453191469 [2020-12-22 06:54:37,595 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:37,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2020-12-22 06:54:37,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a2e0975/ad5b2cc09d344a3daaaec4ea67f12cb7/FLAG453191469 [2020-12-22 06:54:37,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a2e0975/ad5b2cc09d344a3daaaec4ea67f12cb7 [2020-12-22 06:54:37,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:37,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:37,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:37,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:37,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:37,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:37" (1/1) ... [2020-12-22 06:54:37,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d5adbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:37, skipping insertion in model container [2020-12-22 06:54:37,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:37" (1/1) ... [2020-12-22 06:54:37,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:37,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:38,136 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1281,1294] [2020-12-22 06:54:38,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:38,293 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:38,310 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1281,1294] [2020-12-22 06:54:38,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:38,446 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:38,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38 WrapperNode [2020-12-22 06:54:38,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:38,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:38,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:38,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:38,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:38,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:38,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:38,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:38,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:38,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:38,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:38,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:38,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:39,835 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:39,835 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2020-12-22 06:54:39,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:39 BoogieIcfgContainer [2020-12-22 06:54:39,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:39,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:39,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:39,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:39,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:37" (1/3) ... [2020-12-22 06:54:39,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a06185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:39, skipping insertion in model container [2020-12-22 06:54:39,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (2/3) ... [2020-12-22 06:54:39,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a06185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:39, skipping insertion in model container [2020-12-22 06:54:39,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:39" (3/3) ... [2020-12-22 06:54:39,847 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2020-12-22 06:54:39,853 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:39,859 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:39,877 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:39,904 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:39,905 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:39,905 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:39,905 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:39,905 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:39,905 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:39,906 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:39,906 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-22 06:54:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:39,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:39,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:39,932 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:39,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:39,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2020-12-22 06:54:39,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:39,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024736625] [2020-12-22 06:54:39,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:40,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024736625] [2020-12-22 06:54:40,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:40,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:40,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346328581] [2020-12-22 06:54:40,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:40,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:40,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:40,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:40,248 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-22 06:54:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:40,288 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2020-12-22 06:54:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:40,290 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:40,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:40,302 INFO L225 Difference]: With dead ends: 223 [2020-12-22 06:54:40,303 INFO L226 Difference]: Without dead ends: 111 [2020-12-22 06:54:40,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:40,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-22 06:54:40,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-22 06:54:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-22 06:54:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2020-12-22 06:54:40,363 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2020-12-22 06:54:40,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:40,364 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2020-12-22 06:54:40,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2020-12-22 06:54:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:40,366 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:40,366 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:40,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:40,367 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:40,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:40,368 INFO L82 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2020-12-22 06:54:40,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:40,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062184120] [2020-12-22 06:54:40,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:40,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062184120] [2020-12-22 06:54:40,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:40,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:40,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826076379] [2020-12-22 06:54:40,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:40,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:40,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:40,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:40,579 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 3 states. [2020-12-22 06:54:40,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:40,594 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2020-12-22 06:54:40,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:40,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:40,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:40,596 INFO L225 Difference]: With dead ends: 111 [2020-12-22 06:54:40,597 INFO L226 Difference]: Without dead ends: 47 [2020-12-22 06:54:40,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:40,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-22 06:54:40,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-22 06:54:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-22 06:54:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-12-22 06:54:40,607 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-12-22 06:54:40,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:40,607 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-12-22 06:54:40,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-12-22 06:54:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:40,609 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:40,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:40,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:40,609 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:40,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:40,610 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2020-12-22 06:54:40,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:40,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863759222] [2020-12-22 06:54:40,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:40,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863759222] [2020-12-22 06:54:40,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:40,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:40,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078878741] [2020-12-22 06:54:40,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:40,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:40,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:40,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:40,735 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2020-12-22 06:54:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:40,789 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2020-12-22 06:54:40,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:40,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:54:40,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:40,791 INFO L225 Difference]: With dead ends: 87 [2020-12-22 06:54:40,792 INFO L226 Difference]: Without dead ends: 47 [2020-12-22 06:54:40,792 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 06:54:40,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-22 06:54:40,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-22 06:54:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-22 06:54:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-12-22 06:54:40,803 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-12-22 06:54:40,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:40,804 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-12-22 06:54:40,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:40,804 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-12-22 06:54:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:40,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:40,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:40,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:40,806 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:40,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:40,807 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2020-12-22 06:54:40,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:40,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655659175] [2020-12-22 06:54:40,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:40,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655659175] [2020-12-22 06:54:40,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:40,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:40,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087518162] [2020-12-22 06:54:40,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:40,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:40,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:40,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:40,895 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-12-22 06:54:40,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:40,971 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-12-22 06:54:40,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:40,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:40,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:40,973 INFO L225 Difference]: With dead ends: 109 [2020-12-22 06:54:40,973 INFO L226 Difference]: Without dead ends: 69 [2020-12-22 06:54:40,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:40,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-22 06:54:40,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2020-12-22 06:54:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-12-22 06:54:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2020-12-22 06:54:40,993 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2020-12-22 06:54:40,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:40,994 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2020-12-22 06:54:40,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-12-22 06:54:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:40,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:40,995 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 06:54:40,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:40,996 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:40,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:40,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2020-12-22 06:54:40,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:40,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399587634] [2020-12-22 06:54:40,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:41,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399587634] [2020-12-22 06:54:41,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:41,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:41,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317635933] [2020-12-22 06:54:41,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:41,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:41,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:41,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:41,134 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2020-12-22 06:54:41,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:41,279 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2020-12-22 06:54:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:41,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:54:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:41,288 INFO L225 Difference]: With dead ends: 313 [2020-12-22 06:54:41,288 INFO L226 Difference]: Without dead ends: 253 [2020-12-22 06:54:41,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-12-22 06:54:41,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2020-12-22 06:54:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-12-22 06:54:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2020-12-22 06:54:41,337 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2020-12-22 06:54:41,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:41,338 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2020-12-22 06:54:41,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2020-12-22 06:54:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:41,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:41,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:41,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:41,345 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:41,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:41,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2020-12-22 06:54:41,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:41,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642856659] [2020-12-22 06:54:41,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:41,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642856659] [2020-12-22 06:54:41,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:41,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:41,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642904212] [2020-12-22 06:54:41,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:41,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:41,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:41,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:41,468 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 5 states. [2020-12-22 06:54:41,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:41,613 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2020-12-22 06:54:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:41,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:41,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:41,617 INFO L225 Difference]: With dead ends: 436 [2020-12-22 06:54:41,617 INFO L226 Difference]: Without dead ends: 324 [2020-12-22 06:54:41,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:41,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-12-22 06:54:41,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2020-12-22 06:54:41,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-22 06:54:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2020-12-22 06:54:41,645 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2020-12-22 06:54:41,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:41,647 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2020-12-22 06:54:41,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2020-12-22 06:54:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:41,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:41,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:41,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:41,656 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:41,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:41,661 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2020-12-22 06:54:41,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:41,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995411393] [2020-12-22 06:54:41,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:41,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995411393] [2020-12-22 06:54:41,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:41,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:41,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21868604] [2020-12-22 06:54:41,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:41,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:41,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:41,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:41,752 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand 5 states. [2020-12-22 06:54:41,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:41,814 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2020-12-22 06:54:41,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:41,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:41,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:41,816 INFO L225 Difference]: With dead ends: 315 [2020-12-22 06:54:41,816 INFO L226 Difference]: Without dead ends: 204 [2020-12-22 06:54:41,819 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 06:54:41,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-12-22 06:54:41,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2020-12-22 06:54:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-12-22 06:54:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2020-12-22 06:54:41,838 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2020-12-22 06:54:41,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:41,839 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2020-12-22 06:54:41,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:41,839 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2020-12-22 06:54:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:41,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:41,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:41,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:41,842 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:41,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:41,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2020-12-22 06:54:41,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:41,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591316363] [2020-12-22 06:54:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:41,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591316363] [2020-12-22 06:54:41,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:41,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:41,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857013951] [2020-12-22 06:54:41,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:54:41,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:41,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:54:41,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:54:41,919 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 4 states. [2020-12-22 06:54:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:41,971 INFO L93 Difference]: Finished difference Result 311 states and 421 transitions. [2020-12-22 06:54:41,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:54:41,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:54:41,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:41,973 INFO L225 Difference]: With dead ends: 311 [2020-12-22 06:54:41,973 INFO L226 Difference]: Without dead ends: 188 [2020-12-22 06:54:41,974 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 06:54:41,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-22 06:54:41,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 138. [2020-12-22 06:54:41,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-12-22 06:54:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2020-12-22 06:54:41,990 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2020-12-22 06:54:41,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:41,991 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2020-12-22 06:54:41,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:54:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2020-12-22 06:54:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:41,994 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:41,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:41,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:41,994 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:41,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:41,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2020-12-22 06:54:41,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:41,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440788099] [2020-12-22 06:54:41,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,065 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 06:54:42,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440788099] [2020-12-22 06:54:42,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:42,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426011759] [2020-12-22 06:54:42,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:42,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:42,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:42,078 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 3 states. [2020-12-22 06:54:42,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:42,111 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2020-12-22 06:54:42,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:42,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:54:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:42,113 INFO L225 Difference]: With dead ends: 319 [2020-12-22 06:54:42,113 INFO L226 Difference]: Without dead ends: 188 [2020-12-22 06:54:42,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:42,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-22 06:54:42,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-12-22 06:54:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-12-22 06:54:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2020-12-22 06:54:42,133 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2020-12-22 06:54:42,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,134 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2020-12-22 06:54:42,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2020-12-22 06:54:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:54:42,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:42,135 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,136 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2020-12-22 06:54:42,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879850370] [2020-12-22 06:54:42,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:42,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879850370] [2020-12-22 06:54:42,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:42,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515890577] [2020-12-22 06:54:42,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:42,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:42,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:42,185 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2020-12-22 06:54:42,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:42,230 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2020-12-22 06:54:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:42,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:54:42,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:42,232 INFO L225 Difference]: With dead ends: 287 [2020-12-22 06:54:42,233 INFO L226 Difference]: Without dead ends: 285 [2020-12-22 06:54:42,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:42,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-12-22 06:54:42,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2020-12-22 06:54:42,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-12-22 06:54:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2020-12-22 06:54:42,273 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2020-12-22 06:54:42,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,273 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2020-12-22 06:54:42,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2020-12-22 06:54:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:54:42,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,274 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:54:42,275 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,275 INFO L82 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2020-12-22 06:54:42,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281416640] [2020-12-22 06:54:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:54:42,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281416640] [2020-12-22 06:54:42,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 06:54:42,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792918251] [2020-12-22 06:54:42,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:54:42,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:54:42,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:54:42,369 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand 8 states. [2020-12-22 06:54:42,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:42,871 INFO L93 Difference]: Finished difference Result 741 states and 996 transitions. [2020-12-22 06:54:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 06:54:42,871 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-12-22 06:54:42,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:42,876 INFO L225 Difference]: With dead ends: 741 [2020-12-22 06:54:42,876 INFO L226 Difference]: Without dead ends: 520 [2020-12-22 06:54:42,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-12-22 06:54:42,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-12-22 06:54:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 205. [2020-12-22 06:54:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-12-22 06:54:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2020-12-22 06:54:42,908 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2020-12-22 06:54:42,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,909 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2020-12-22 06:54:42,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:54:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2020-12-22 06:54:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:42,911 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,911 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:54:42,912 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,912 INFO L82 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2020-12-22 06:54:42,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971266186] [2020-12-22 06:54:42,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:42,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971266186] [2020-12-22 06:54:42,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:42,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099522754] [2020-12-22 06:54:42,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:42,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:42,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:43,000 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 5 states. [2020-12-22 06:54:43,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:43,157 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2020-12-22 06:54:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:43,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-22 06:54:43,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:43,158 INFO L225 Difference]: With dead ends: 325 [2020-12-22 06:54:43,159 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:43,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:43,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:43,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:43,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:54:43,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:43,161 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:43,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:43,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:43,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:54:43,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:43,319 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2020-12-22 06:54:43,557 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 68 [2020-12-22 06:54:43,892 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 91 [2020-12-22 06:54:44,075 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 68 [2020-12-22 06:54:44,268 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2020-12-22 06:54:44,500 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2020-12-22 06:54:44,820 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2020-12-22 06:54:45,021 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 26 [2020-12-22 06:54:45,302 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2020-12-22 06:54:45,484 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2020-12-22 06:54:45,838 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2020-12-22 06:54:46,086 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2020-12-22 06:54:46,328 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 26 [2020-12-22 06:54:46,486 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-12-22 06:54:46,812 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 22 [2020-12-22 06:54:46,820 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:46,820 INFO L189 CegarLoopUtils]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-12-22 06:54:46,821 INFO L189 CegarLoopUtils]: For program point L498-3(lines 498 502) no Hoare annotation was computed. [2020-12-22 06:54:46,821 INFO L189 CegarLoopUtils]: For program point L498-6(lines 498 502) no Hoare annotation was computed. [2020-12-22 06:54:46,821 INFO L189 CegarLoopUtils]: For program point L367(lines 367 380) no Hoare annotation was computed. [2020-12-22 06:54:46,821 INFO L189 CegarLoopUtils]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-12-22 06:54:46,821 INFO L185 CegarLoopUtils]: At program point L70-1(lines 1 950) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (not .cse8)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not .cse3) (not .cse7) .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse0 .cse8 .cse2 .cse4 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6)))) [2020-12-22 06:54:46,821 INFO L189 CegarLoopUtils]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2020-12-22 06:54:46,822 INFO L185 CegarLoopUtils]: At program point L70-3(lines 1 950) the Hoare annotation is: false [2020-12-22 06:54:46,822 INFO L189 CegarLoopUtils]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2020-12-22 06:54:46,822 INFO L185 CegarLoopUtils]: At program point L70-5(lines 1 950) the Hoare annotation is: false [2020-12-22 06:54:46,822 INFO L189 CegarLoopUtils]: For program point L203(lines 203 220) no Hoare annotation was computed. [2020-12-22 06:54:46,822 INFO L189 CegarLoopUtils]: For program point L203-1(lines 203 220) no Hoare annotation was computed. [2020-12-22 06:54:46,823 INFO L189 CegarLoopUtils]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2020-12-22 06:54:46,823 INFO L185 CegarLoopUtils]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5 .cse6))) [2020-12-22 06:54:46,823 INFO L185 CegarLoopUtils]: At program point L535-1(lines 530 538) the Hoare annotation is: (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not .cse6)) (.cse2 (not .cse7)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse6 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-12-22 06:54:46,823 INFO L185 CegarLoopUtils]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2020-12-22 06:54:46,823 INFO L185 CegarLoopUtils]: At program point L535-3(lines 530 538) the Hoare annotation is: false [2020-12-22 06:54:46,824 INFO L185 CegarLoopUtils]: At program point L535-4(lines 530 538) the Hoare annotation is: false [2020-12-22 06:54:46,824 INFO L185 CegarLoopUtils]: At program point L535-5(lines 530 538) the Hoare annotation is: false [2020-12-22 06:54:46,824 INFO L189 CegarLoopUtils]: For program point L338(lines 337 384) no Hoare annotation was computed. [2020-12-22 06:54:46,824 INFO L189 CegarLoopUtils]: For program point L305(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,825 INFO L189 CegarLoopUtils]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,825 INFO L189 CegarLoopUtils]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,825 INFO L189 CegarLoopUtils]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,825 INFO L189 CegarLoopUtils]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,826 INFO L189 CegarLoopUtils]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-12-22 06:54:46,826 INFO L189 CegarLoopUtils]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,826 INFO L189 CegarLoopUtils]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,826 INFO L189 CegarLoopUtils]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2020-12-22 06:54:46,826 INFO L189 CegarLoopUtils]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,826 INFO L189 CegarLoopUtils]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2020-12-22 06:54:46,827 INFO L189 CegarLoopUtils]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,827 INFO L189 CegarLoopUtils]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,829 INFO L189 CegarLoopUtils]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,829 INFO L189 CegarLoopUtils]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2020-12-22 06:54:46,829 INFO L189 CegarLoopUtils]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-12-22 06:54:46,830 INFO L185 CegarLoopUtils]: At program point L405-2(lines 405 419) the Hoare annotation is: false [2020-12-22 06:54:46,830 INFO L189 CegarLoopUtils]: For program point L207(lines 207 215) no Hoare annotation was computed. [2020-12-22 06:54:46,830 INFO L189 CegarLoopUtils]: For program point L207-1(lines 207 215) no Hoare annotation was computed. [2020-12-22 06:54:46,830 INFO L189 CegarLoopUtils]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2020-12-22 06:54:46,830 INFO L189 CegarLoopUtils]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-12-22 06:54:46,830 INFO L189 CegarLoopUtils]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2020-12-22 06:54:46,830 INFO L189 CegarLoopUtils]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2020-12-22 06:54:46,830 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:46,831 INFO L189 CegarLoopUtils]: For program point L406(line 406) no Hoare annotation was computed. [2020-12-22 06:54:46,831 INFO L189 CegarLoopUtils]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-12-22 06:54:46,831 INFO L185 CegarLoopUtils]: At program point L375-2(lines 145 151) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:54:46,831 INFO L189 CegarLoopUtils]: For program point L177(lines 177 194) no Hoare annotation was computed. [2020-12-22 06:54:46,831 INFO L189 CegarLoopUtils]: For program point L177-1(lines 177 194) no Hoare annotation was computed. [2020-12-22 06:54:46,831 INFO L189 CegarLoopUtils]: For program point L177-2(lines 177 194) no Hoare annotation was computed. [2020-12-22 06:54:46,831 INFO L189 CegarLoopUtils]: For program point L177-3(lines 177 194) no Hoare annotation was computed. [2020-12-22 06:54:46,831 INFO L189 CegarLoopUtils]: For program point L177-4(lines 177 194) no Hoare annotation was computed. [2020-12-22 06:54:46,832 INFO L189 CegarLoopUtils]: For program point L177-5(lines 177 194) no Hoare annotation was computed. [2020-12-22 06:54:46,832 INFO L189 CegarLoopUtils]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-12-22 06:54:46,832 INFO L189 CegarLoopUtils]: For program point L409-1(lines 145 151) no Hoare annotation was computed. [2020-12-22 06:54:46,832 INFO L185 CegarLoopUtils]: At program point L145(lines 144 163) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= ~pumpRunning~0 0)) .cse0 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:54:46,832 INFO L189 CegarLoopUtils]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2020-12-22 06:54:46,832 INFO L185 CegarLoopUtils]: At program point L145-2(lines 144 163) the Hoare annotation is: false [2020-12-22 06:54:46,832 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:54:46,832 INFO L185 CegarLoopUtils]: At program point L145-3(lines 144 163) the Hoare annotation is: false [2020-12-22 06:54:46,833 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:54:46,834 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:54:46,834 INFO L189 CegarLoopUtils]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-12-22 06:54:46,834 INFO L189 CegarLoopUtils]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-12-22 06:54:46,834 INFO L189 CegarLoopUtils]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2020-12-22 06:54:46,834 INFO L189 CegarLoopUtils]: For program point L575-3(lines 575 581) no Hoare annotation was computed. [2020-12-22 06:54:46,834 INFO L189 CegarLoopUtils]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2020-12-22 06:54:46,834 INFO L189 CegarLoopUtils]: For program point L575-5(lines 575 581) no Hoare annotation was computed. [2020-12-22 06:54:46,834 INFO L185 CegarLoopUtils]: At program point L311(lines 296 314) the Hoare annotation is: false [2020-12-22 06:54:46,835 INFO L185 CegarLoopUtils]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4))) [2020-12-22 06:54:46,835 INFO L185 CegarLoopUtils]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2020-12-22 06:54:46,835 INFO L185 CegarLoopUtils]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2020-12-22 06:54:46,835 INFO L185 CegarLoopUtils]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2020-12-22 06:54:46,835 INFO L185 CegarLoopUtils]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2020-12-22 06:54:46,836 INFO L189 CegarLoopUtils]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-12-22 06:54:46,836 INFO L189 CegarLoopUtils]: For program point L477(lines 477 484) no Hoare annotation was computed. [2020-12-22 06:54:46,836 INFO L192 CegarLoopUtils]: At program point L477-1(lines 477 484) the Hoare annotation is: true [2020-12-22 06:54:46,836 INFO L185 CegarLoopUtils]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse6))) [2020-12-22 06:54:46,836 INFO L185 CegarLoopUtils]: At program point L247-1(lines 240 250) the Hoare annotation is: false [2020-12-22 06:54:46,836 INFO L189 CegarLoopUtils]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-12-22 06:54:46,836 INFO L185 CegarLoopUtils]: At program point L247-2(lines 240 250) the Hoare annotation is: false [2020-12-22 06:54:46,836 INFO L189 CegarLoopUtils]: For program point L181-1(lines 181 189) no Hoare annotation was computed. [2020-12-22 06:54:46,837 INFO L189 CegarLoopUtils]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-12-22 06:54:46,837 INFO L189 CegarLoopUtils]: For program point L181-3(lines 181 189) no Hoare annotation was computed. [2020-12-22 06:54:46,837 INFO L189 CegarLoopUtils]: For program point L181-4(lines 181 189) no Hoare annotation was computed. [2020-12-22 06:54:46,838 INFO L189 CegarLoopUtils]: For program point L181-5(lines 181 189) no Hoare annotation was computed. [2020-12-22 06:54:46,838 INFO L189 CegarLoopUtils]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-12-22 06:54:46,838 INFO L185 CegarLoopUtils]: At program point L347-1(lines 347 353) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (not .cse8)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not .cse3) (not .cse7) .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse0 .cse8 .cse2 .cse4 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6)))) [2020-12-22 06:54:46,838 INFO L185 CegarLoopUtils]: At program point L117(lines 1 950) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:46,838 INFO L185 CegarLoopUtils]: At program point L580(lines 571 584) the Hoare annotation is: false [2020-12-22 06:54:46,838 INFO L185 CegarLoopUtils]: At program point L580-1(lines 571 584) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4))) [2020-12-22 06:54:46,839 INFO L185 CegarLoopUtils]: At program point L580-2(lines 571 584) the Hoare annotation is: false [2020-12-22 06:54:46,839 INFO L185 CegarLoopUtils]: At program point L580-3(lines 571 584) the Hoare annotation is: false [2020-12-22 06:54:46,839 INFO L185 CegarLoopUtils]: At program point L580-4(lines 571 584) the Hoare annotation is: false [2020-12-22 06:54:46,839 INFO L185 CegarLoopUtils]: At program point L580-5(lines 571 584) the Hoare annotation is: false [2020-12-22 06:54:46,839 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:46,839 INFO L185 CegarLoopUtils]: At program point L152(lines 152 158) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:54:46,839 INFO L185 CegarLoopUtils]: At program point L152-1(lines 152 158) the Hoare annotation is: false [2020-12-22 06:54:46,840 INFO L185 CegarLoopUtils]: At program point L152-2(lines 152 158) the Hoare annotation is: false [2020-12-22 06:54:46,840 INFO L185 CegarLoopUtils]: At program point L385(lines 336 386) the Hoare annotation is: false [2020-12-22 06:54:46,841 INFO L192 CegarLoopUtils]: At program point L486(lines 467 489) the Hoare annotation is: true [2020-12-22 06:54:46,841 INFO L185 CegarLoopUtils]: At program point L453(lines 449 455) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:46,841 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:46,841 INFO L185 CegarLoopUtils]: At program point L256(lines 251 259) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse5 .cse6) (and (not .cse4) .cse0 .cse1 .cse2 .cse3 .cse5 (= ~methAndRunningLastTime~0 0) .cse6))) [2020-12-22 06:54:46,841 INFO L185 CegarLoopUtils]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2020-12-22 06:54:46,841 INFO L185 CegarLoopUtils]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2020-12-22 06:54:46,842 INFO L185 CegarLoopUtils]: At program point L125(lines 120 128) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:46,842 INFO L185 CegarLoopUtils]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:46,842 INFO L189 CegarLoopUtils]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-12-22 06:54:46,842 INFO L189 CegarLoopUtils]: For program point L357(lines 357 363) no Hoare annotation was computed. [2020-12-22 06:54:46,842 INFO L185 CegarLoopUtils]: At program point L357-1(lines 357 363) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:54:46,842 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:46,842 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:46,843 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:46,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:46 BoogieIcfgContainer [2020-12-22 06:54:46,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:46,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:46,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:46,914 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:46,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:39" (3/4) ... [2020-12-22 06:54:46,918 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:46,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:46,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:46,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:46,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:46,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:46,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:46,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:46,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:46,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:46,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:46,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:46,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:46,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:46,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:46,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:46,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:46,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:46,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:46,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-12-22 06:54:47,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) [2020-12-22 06:54:47,006 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(methaneLevelCritical == 0) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:47,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:47,125 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product38.cil.c-witness.graphml [2020-12-22 06:54:47,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:47,126 INFO L168 Benchmark]: Toolchain (without parser) took 9303.68 ms. Allocated memory was 151.0 MB in the beginning and 219.2 MB in the end (delta: 68.2 MB). Free memory was 126.2 MB in the beginning and 90.6 MB in the end (delta: 35.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:47,127 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:47,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.11 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 105.2 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:47,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.87 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 101.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:47,128 INFO L168 Benchmark]: Boogie Preprocessor took 60.48 ms. Allocated memory is still 151.0 MB. Free memory was 101.4 MB in the beginning and 98.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:47,128 INFO L168 Benchmark]: RCFGBuilder took 1226.07 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 74.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:47,129 INFO L168 Benchmark]: TraceAbstraction took 7072.10 ms. Allocated memory was 151.0 MB in the beginning and 219.2 MB in the end (delta: 68.2 MB). Free memory was 74.1 MB in the beginning and 100.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 73.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:47,129 INFO L168 Benchmark]: Witness Printer took 213.03 ms. Allocated memory is still 219.2 MB. Free memory was 100.5 MB in the beginning and 90.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:47,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 622.11 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 105.2 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 100.87 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 101.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.48 ms. Allocated memory is still 151.0 MB. Free memory was 101.4 MB in the beginning and 98.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1226.07 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 74.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7072.10 ms. Allocated memory was 151.0 MB in the beginning and 219.2 MB in the end (delta: 68.2 MB). Free memory was 74.1 MB in the beginning and 100.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 73.0 MB. Max. memory is 8.0 GB. * Witness Printer took 213.03 ms. Allocated memory is still 219.2 MB. Free memory was 100.5 MB in the beginning and 90.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((((((!(methaneLevelCritical == 0) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1115 SDtfs, 1438 SDslu, 1665 SDs, 0 SdLazy, 240 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 838 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 112 NumberOfFragments, 902 HoareAnnotationTreeSize, 44 FomulaSimplifications, 171666 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 19586 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 30823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 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...