/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:49,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:49,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:49,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:49,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:49,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:49,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:49,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:49,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:49,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:49,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:49,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:49,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:49,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:49,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:49,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:49,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:49,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:49,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:49,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:49,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:49,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:49,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:49,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:49,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:49,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:49,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:49,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:49,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:49,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:49,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:49,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:49,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:49,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:49,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:49,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:49,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:50,049 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:50,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:50,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:50,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:50,051 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:50,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:50,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:50,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:50,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:50,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:50,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:50,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:50,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:50,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:50,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:50,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:50,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:50,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:50,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:50,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:50,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:50,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:50,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:50,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:50,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:50,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:50,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:50,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:50,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:50,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:50,438 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:50,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2020-12-22 06:57:50,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1a0d0fe8/b6d512288e384d18b81780e31dcb2f05/FLAG8d1457628 [2020-12-22 06:57:51,117 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:51,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2020-12-22 06:57:51,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1a0d0fe8/b6d512288e384d18b81780e31dcb2f05/FLAG8d1457628 [2020-12-22 06:57:51,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1a0d0fe8/b6d512288e384d18b81780e31dcb2f05 [2020-12-22 06:57:51,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:51,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:51,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:51,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:51,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:51,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:51" (1/1) ... [2020-12-22 06:57:51,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b04005f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:51, skipping insertion in model container [2020-12-22 06:57:51,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:51" (1/1) ... [2020-12-22 06:57:51,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:51,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:51,724 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3647,3660] [2020-12-22 06:57:51,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:51,898 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:51,924 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3647,3660] [2020-12-22 06:57:51,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:52,024 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:52,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52 WrapperNode [2020-12-22 06:57:52,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:52,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:52,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:52,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:52,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:52,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:52,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:52,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:52,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... [2020-12-22 06:57:52,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:52,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:52,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:52,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:52,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:53,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:53,464 INFO L299 CfgBuilder]: Removed 292 assume(true) statements. [2020-12-22 06:57:53,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:53 BoogieIcfgContainer [2020-12-22 06:57:53,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:53,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:53,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:53,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:53,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:51" (1/3) ... [2020-12-22 06:57:53,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7754d119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:53, skipping insertion in model container [2020-12-22 06:57:53,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:52" (2/3) ... [2020-12-22 06:57:53,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7754d119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:53, skipping insertion in model container [2020-12-22 06:57:53,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:53" (3/3) ... [2020-12-22 06:57:53,483 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-12-22 06:57:53,490 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:53,496 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:53,518 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:53,564 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:53,564 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:53,564 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:53,564 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:53,565 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:53,565 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:53,565 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:53,565 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-12-22 06:57:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:53,608 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,610 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1762551328, now seen corresponding path program 1 times [2020-12-22 06:57:53,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571662308] [2020-12-22 06:57:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571662308] [2020-12-22 06:57:53,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:53,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100914696] [2020-12-22 06:57:53,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:53,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:54,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:54,012 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2020-12-22 06:57:54,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,063 INFO L93 Difference]: Finished difference Result 389 states and 592 transitions. [2020-12-22 06:57:54,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:54,064 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:54,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,083 INFO L225 Difference]: With dead ends: 389 [2020-12-22 06:57:54,083 INFO L226 Difference]: Without dead ends: 194 [2020-12-22 06:57:54,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:54,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-12-22 06:57:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2020-12-22 06:57:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-12-22 06:57:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 288 transitions. [2020-12-22 06:57:54,185 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 288 transitions. Word has length 19 [2020-12-22 06:57:54,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,186 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 288 transitions. [2020-12-22 06:57:54,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:54,186 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2020-12-22 06:57:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:54,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:54,191 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,193 INFO L82 PathProgramCache]: Analyzing trace with hash -26641811, now seen corresponding path program 1 times [2020-12-22 06:57:54,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602933609] [2020-12-22 06:57:54,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602933609] [2020-12-22 06:57:54,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:54,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66478379] [2020-12-22 06:57:54,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:54,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:54,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,322 INFO L87 Difference]: Start difference. First operand 194 states and 288 transitions. Second operand 3 states. [2020-12-22 06:57:54,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,340 INFO L93 Difference]: Finished difference Result 194 states and 288 transitions. [2020-12-22 06:57:54,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:54,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:54,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,342 INFO L225 Difference]: With dead ends: 194 [2020-12-22 06:57:54,342 INFO L226 Difference]: Without dead ends: 75 [2020-12-22 06:57:54,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-22 06:57:54,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-12-22 06:57:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:57:54,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2020-12-22 06:57:54,350 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 20 [2020-12-22 06:57:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,351 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2020-12-22 06:57:54,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:54,351 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2020-12-22 06:57:54,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:54,352 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:54,353 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,353 INFO L82 PathProgramCache]: Analyzing trace with hash -842143495, now seen corresponding path program 1 times [2020-12-22 06:57:54,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932679496] [2020-12-22 06:57:54,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932679496] [2020-12-22 06:57:54,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:54,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224346115] [2020-12-22 06:57:54,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:54,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:54,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,468 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2020-12-22 06:57:54,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,517 INFO L93 Difference]: Finished difference Result 143 states and 213 transitions. [2020-12-22 06:57:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:54,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:54,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,520 INFO L225 Difference]: With dead ends: 143 [2020-12-22 06:57:54,520 INFO L226 Difference]: Without dead ends: 75 [2020-12-22 06:57:54,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-22 06:57:54,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-12-22 06:57:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:57:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2020-12-22 06:57:54,532 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2020-12-22 06:57:54,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,532 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2020-12-22 06:57:54,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2020-12-22 06:57:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:54,534 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:54,535 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1960323658, now seen corresponding path program 1 times [2020-12-22 06:57:54,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239654170] [2020-12-22 06:57:54,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239654170] [2020-12-22 06:57:54,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:54,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193967023] [2020-12-22 06:57:54,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:54,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:54,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,603 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand 3 states. [2020-12-22 06:57:54,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,641 INFO L93 Difference]: Finished difference Result 155 states and 227 transitions. [2020-12-22 06:57:54,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:54,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-12-22 06:57:54,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,642 INFO L225 Difference]: With dead ends: 155 [2020-12-22 06:57:54,643 INFO L226 Difference]: Without dead ends: 87 [2020-12-22 06:57:54,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-12-22 06:57:54,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2020-12-22 06:57:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-22 06:57:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 119 transitions. [2020-12-22 06:57:54,652 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 119 transitions. Word has length 29 [2020-12-22 06:57:54,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,653 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 119 transitions. [2020-12-22 06:57:54,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2020-12-22 06:57:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:54,654 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,655 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, 1, 1] [2020-12-22 06:57:54,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:54,655 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,656 INFO L82 PathProgramCache]: Analyzing trace with hash 240541957, now seen corresponding path program 1 times [2020-12-22 06:57:54,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153842678] [2020-12-22 06:57:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153842678] [2020-12-22 06:57:54,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:54,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143140677] [2020-12-22 06:57:54,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:54,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:54,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:54,727 INFO L87 Difference]: Start difference. First operand 85 states and 119 transitions. Second operand 5 states. [2020-12-22 06:57:54,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,811 INFO L93 Difference]: Finished difference Result 223 states and 310 transitions. [2020-12-22 06:57:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:54,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-12-22 06:57:54,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,813 INFO L225 Difference]: With dead ends: 223 [2020-12-22 06:57:54,813 INFO L226 Difference]: Without dead ends: 145 [2020-12-22 06:57:54,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:54,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-12-22 06:57:54,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 94. [2020-12-22 06:57:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-22 06:57:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2020-12-22 06:57:54,824 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 35 [2020-12-22 06:57:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,824 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2020-12-22 06:57:54,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2020-12-22 06:57:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:54,826 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,826 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, 1] [2020-12-22 06:57:54,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:54,826 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1174005666, now seen corresponding path program 1 times [2020-12-22 06:57:54,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050669179] [2020-12-22 06:57:54,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050669179] [2020-12-22 06:57:54,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:54,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184927097] [2020-12-22 06:57:54,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:54,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:54,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:54,914 INFO L87 Difference]: Start difference. First operand 94 states and 128 transitions. Second operand 5 states. [2020-12-22 06:57:55,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,034 INFO L93 Difference]: Finished difference Result 313 states and 429 transitions. [2020-12-22 06:57:55,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:55,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-12-22 06:57:55,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,036 INFO L225 Difference]: With dead ends: 313 [2020-12-22 06:57:55,036 INFO L226 Difference]: Without dead ends: 226 [2020-12-22 06:57:55,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:55,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-12-22 06:57:55,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 93. [2020-12-22 06:57:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-12-22 06:57:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 125 transitions. [2020-12-22 06:57:55,047 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 125 transitions. Word has length 35 [2020-12-22 06:57:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,047 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 125 transitions. [2020-12-22 06:57:55,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2020-12-22 06:57:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:55,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:55,049 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, 1] [2020-12-22 06:57:55,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:55,049 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:55,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:55,050 INFO L82 PathProgramCache]: Analyzing trace with hash 941606535, now seen corresponding path program 1 times [2020-12-22 06:57:55,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:55,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817208011] [2020-12-22 06:57:55,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:55,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817208011] [2020-12-22 06:57:55,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:55,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:55,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459648279] [2020-12-22 06:57:55,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:55,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:55,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:55,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:55,137 INFO L87 Difference]: Start difference. First operand 93 states and 125 transitions. Second operand 4 states. [2020-12-22 06:57:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,188 INFO L93 Difference]: Finished difference Result 217 states and 291 transitions. [2020-12-22 06:57:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:55,188 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-12-22 06:57:55,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,191 INFO L225 Difference]: With dead ends: 217 [2020-12-22 06:57:55,191 INFO L226 Difference]: Without dead ends: 131 [2020-12-22 06:57:55,192 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 06:57:55,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-12-22 06:57:55,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 99. [2020-12-22 06:57:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-12-22 06:57:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 131 transitions. [2020-12-22 06:57:55,206 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 131 transitions. Word has length 35 [2020-12-22 06:57:55,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,207 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 131 transitions. [2020-12-22 06:57:55,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2020-12-22 06:57:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:55,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:55,210 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, 1] [2020-12-22 06:57:55,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:55,210 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:55,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:55,211 INFO L82 PathProgramCache]: Analyzing trace with hash 354800521, now seen corresponding path program 1 times [2020-12-22 06:57:55,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:55,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662211890] [2020-12-22 06:57:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:55,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662211890] [2020-12-22 06:57:55,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:55,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:55,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570984072] [2020-12-22 06:57:55,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:55,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:55,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:55,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:55,315 INFO L87 Difference]: Start difference. First operand 99 states and 131 transitions. Second operand 3 states. [2020-12-22 06:57:55,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,342 INFO L93 Difference]: Finished difference Result 220 states and 292 transitions. [2020-12-22 06:57:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:55,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-12-22 06:57:55,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,343 INFO L225 Difference]: With dead ends: 220 [2020-12-22 06:57:55,343 INFO L226 Difference]: Without dead ends: 128 [2020-12-22 06:57:55,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:55,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-12-22 06:57:55,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-12-22 06:57:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-22 06:57:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 166 transitions. [2020-12-22 06:57:55,362 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 166 transitions. Word has length 35 [2020-12-22 06:57:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,364 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 166 transitions. [2020-12-22 06:57:55,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 166 transitions. [2020-12-22 06:57:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:55,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:55,371 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, 1, 1] [2020-12-22 06:57:55,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:55,371 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:55,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:55,372 INFO L82 PathProgramCache]: Analyzing trace with hash 30142025, now seen corresponding path program 1 times [2020-12-22 06:57:55,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:55,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186997262] [2020-12-22 06:57:55,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:55,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186997262] [2020-12-22 06:57:55,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:55,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:55,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915921715] [2020-12-22 06:57:55,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:55,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:55,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:55,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:55,576 INFO L87 Difference]: Start difference. First operand 128 states and 166 transitions. Second operand 7 states. [2020-12-22 06:57:55,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,872 INFO L93 Difference]: Finished difference Result 622 states and 825 transitions. [2020-12-22 06:57:55,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:55,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-12-22 06:57:55,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,876 INFO L225 Difference]: With dead ends: 622 [2020-12-22 06:57:55,876 INFO L226 Difference]: Without dead ends: 530 [2020-12-22 06:57:55,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:55,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-12-22 06:57:55,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 223. [2020-12-22 06:57:55,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-22 06:57:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 287 transitions. [2020-12-22 06:57:55,899 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 287 transitions. Word has length 36 [2020-12-22 06:57:55,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,899 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 287 transitions. [2020-12-22 06:57:55,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 287 transitions. [2020-12-22 06:57:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 06:57:55,901 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:55,901 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:55,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:55,901 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:55,902 INFO L82 PathProgramCache]: Analyzing trace with hash -351170267, now seen corresponding path program 1 times [2020-12-22 06:57:55,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:55,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397102842] [2020-12-22 06:57:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:55,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397102842] [2020-12-22 06:57:55,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207852646] [2020-12-22 06:57:55,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:56,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:56,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:56,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:56,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-22 06:57:56,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504965479] [2020-12-22 06:57:56,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:57:56,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:56,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:57:56,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:56,356 INFO L87 Difference]: Start difference. First operand 223 states and 287 transitions. Second operand 9 states. [2020-12-22 06:57:56,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:56,628 INFO L93 Difference]: Finished difference Result 478 states and 637 transitions. [2020-12-22 06:57:56,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:57:56,628 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-12-22 06:57:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:56,629 INFO L225 Difference]: With dead ends: 478 [2020-12-22 06:57:56,629 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:56,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:57:56,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:56,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:56,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-12-22 06:57:56,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:56,632 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:56,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:57:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:56,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:56,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:56,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:57,563 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 22 [2020-12-22 06:57:57,750 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-12-22 06:57:58,066 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2020-12-22 06:57:58,296 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-12-22 06:57:58,525 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2020-12-22 06:57:58,810 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-12-22 06:57:58,927 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2020-12-22 06:57:59,096 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2020-12-22 06:57:59,155 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2020-12-22 06:57:59,156 INFO L189 CegarLoopUtils]: For program point L564(lines 563 610) no Hoare annotation was computed. [2020-12-22 06:57:59,156 INFO L189 CegarLoopUtils]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-12-22 06:57:59,156 INFO L185 CegarLoopUtils]: At program point L466(lines 461 469) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (or (<= ~waterLevel~0 1) .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse3 .cse4)))) [2020-12-22 06:57:59,157 INFO L185 CegarLoopUtils]: At program point L466-1(lines 461 469) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-12-22 06:57:59,157 INFO L185 CegarLoopUtils]: At program point L466-2(lines 461 469) the Hoare annotation is: false [2020-12-22 06:57:59,157 INFO L185 CegarLoopUtils]: At program point L466-3(lines 461 469) the Hoare annotation is: false [2020-12-22 06:57:59,157 INFO L185 CegarLoopUtils]: At program point L466-4(lines 461 469) the Hoare annotation is: false [2020-12-22 06:57:59,157 INFO L185 CegarLoopUtils]: At program point L466-5(lines 461 469) the Hoare annotation is: false [2020-12-22 06:57:59,157 INFO L189 CegarLoopUtils]: For program point L302(lines 302 309) no Hoare annotation was computed. [2020-12-22 06:57:59,158 INFO L192 CegarLoopUtils]: At program point L302-1(lines 302 309) the Hoare annotation is: true [2020-12-22 06:57:59,158 INFO L189 CegarLoopUtils]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,158 INFO L189 CegarLoopUtils]: For program point L534-2(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,158 INFO L189 CegarLoopUtils]: For program point L534-3(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,158 INFO L189 CegarLoopUtils]: For program point L534-5(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,158 INFO L185 CegarLoopUtils]: At program point L336(lines 336 342) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-12-22 06:57:59,158 INFO L189 CegarLoopUtils]: For program point L534-6(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,159 INFO L185 CegarLoopUtils]: At program point L336-1(lines 336 342) the Hoare annotation is: false [2020-12-22 06:57:59,159 INFO L189 CegarLoopUtils]: For program point L534-8(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,159 INFO L185 CegarLoopUtils]: At program point L336-2(lines 336 342) the Hoare annotation is: false [2020-12-22 06:57:59,159 INFO L189 CegarLoopUtils]: For program point L534-9(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,159 INFO L189 CegarLoopUtils]: For program point L534-11(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,159 INFO L189 CegarLoopUtils]: For program point L534-12(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,159 INFO L189 CegarLoopUtils]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:59,160 INFO L189 CegarLoopUtils]: For program point L534-14(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,160 INFO L185 CegarLoopUtils]: At program point L72-1(lines 1 1019) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse3 .cse4 .cse1 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2)))) [2020-12-22 06:57:59,160 INFO L189 CegarLoopUtils]: For program point L534-15(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,160 INFO L189 CegarLoopUtils]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:59,160 INFO L185 CegarLoopUtils]: At program point L72-3(lines 1 1019) the Hoare annotation is: false [2020-12-22 06:57:59,160 INFO L189 CegarLoopUtils]: For program point L534-17(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:57:59,160 INFO L189 CegarLoopUtils]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:59,161 INFO L185 CegarLoopUtils]: At program point L72-5(lines 1 1019) the Hoare annotation is: false [2020-12-22 06:57:59,161 INFO L189 CegarLoopUtils]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-12-22 06:57:59,161 INFO L185 CegarLoopUtils]: At program point L601-2(lines 601 605) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-12-22 06:57:59,161 INFO L189 CegarLoopUtils]: For program point L107(lines 107 111) no Hoare annotation was computed. [2020-12-22 06:57:59,161 INFO L189 CegarLoopUtils]: For program point L107-3(lines 107 111) no Hoare annotation was computed. [2020-12-22 06:57:59,161 INFO L189 CegarLoopUtils]: For program point L107-6(lines 107 111) no Hoare annotation was computed. [2020-12-22 06:57:59,162 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2020-12-22 06:57:59,162 INFO L185 CegarLoopUtils]: At program point L274(lines 270 276) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:59,162 INFO L189 CegarLoopUtils]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-22 06:57:59,162 INFO L189 CegarLoopUtils]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-12-22 06:57:59,162 INFO L189 CegarLoopUtils]: For program point L208-2(line 208) no Hoare annotation was computed. [2020-12-22 06:57:59,162 INFO L189 CegarLoopUtils]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:59,162 INFO L189 CegarLoopUtils]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:59,162 INFO L189 CegarLoopUtils]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:59,163 INFO L185 CegarLoopUtils]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2020-12-22 06:57:59,163 INFO L185 CegarLoopUtils]: At program point L176-1(lines 171 179) the Hoare annotation is: false [2020-12-22 06:57:59,163 INFO L185 CegarLoopUtils]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2020-12-22 06:57:59,163 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:59,163 INFO L189 CegarLoopUtils]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:59,163 INFO L189 CegarLoopUtils]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:59,163 INFO L189 CegarLoopUtils]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-12-22 06:57:59,164 INFO L185 CegarLoopUtils]: At program point L573-1(lines 573 579) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-12-22 06:57:59,164 INFO L185 CegarLoopUtils]: At program point L540(lines 525 543) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:59,164 INFO L185 CegarLoopUtils]: At program point L540-1(lines 525 543) the Hoare annotation is: false [2020-12-22 06:57:59,164 INFO L185 CegarLoopUtils]: At program point L540-2(lines 525 543) the Hoare annotation is: false [2020-12-22 06:57:59,164 INFO L185 CegarLoopUtils]: At program point L540-3(lines 525 543) the Hoare annotation is: false [2020-12-22 06:57:59,165 INFO L185 CegarLoopUtils]: At program point L540-4(lines 525 543) the Hoare annotation is: false [2020-12-22 06:57:59,165 INFO L185 CegarLoopUtils]: At program point L540-5(lines 525 543) the Hoare annotation is: false [2020-12-22 06:57:59,165 INFO L185 CegarLoopUtils]: At program point L144(lines 139 147) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:59,165 INFO L185 CegarLoopUtils]: At program point L144-1(lines 139 147) the Hoare annotation is: false [2020-12-22 06:57:59,165 INFO L185 CegarLoopUtils]: At program point L144-2(lines 139 147) the Hoare annotation is: false [2020-12-22 06:57:59,165 INFO L192 CegarLoopUtils]: At program point L311(lines 292 314) the Hoare annotation is: true [2020-12-22 06:57:59,165 INFO L185 CegarLoopUtils]: At program point L642(lines 1 1019) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:59,166 INFO L185 CegarLoopUtils]: At program point L611(lines 562 612) the Hoare annotation is: false [2020-12-22 06:57:59,166 INFO L189 CegarLoopUtils]: For program point L413(lines 413 430) no Hoare annotation was computed. [2020-12-22 06:57:59,166 INFO L189 CegarLoopUtils]: For program point L413-1(lines 413 430) no Hoare annotation was computed. [2020-12-22 06:57:59,166 INFO L189 CegarLoopUtils]: For program point L413-2(lines 413 430) no Hoare annotation was computed. [2020-12-22 06:57:59,166 INFO L185 CegarLoopUtils]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:59,166 INFO L189 CegarLoopUtils]: For program point L184(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,166 INFO L189 CegarLoopUtils]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-2(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-3(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-4(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-5(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-6(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-7(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-8(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-9(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,167 INFO L189 CegarLoopUtils]: For program point L184-10(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point L184-11(lines 184 190) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point L515(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point L515-5(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point L515-6(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point L515-8(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,168 INFO L189 CegarLoopUtils]: For program point L515-9(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,169 INFO L189 CegarLoopUtils]: For program point L515-11(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,169 INFO L189 CegarLoopUtils]: For program point L119(lines 119 123) no Hoare annotation was computed. [2020-12-22 06:57:59,169 INFO L189 CegarLoopUtils]: For program point L515-12(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,169 INFO L189 CegarLoopUtils]: For program point L515-14(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,169 INFO L189 CegarLoopUtils]: For program point L515-15(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,169 INFO L189 CegarLoopUtils]: For program point L515-17(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,169 INFO L189 CegarLoopUtils]: For program point L515-18(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,169 INFO L189 CegarLoopUtils]: For program point L515-20(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,170 INFO L189 CegarLoopUtils]: For program point L515-21(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,170 INFO L189 CegarLoopUtils]: For program point L515-23(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,170 INFO L189 CegarLoopUtils]: For program point L515-24(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,170 INFO L189 CegarLoopUtils]: For program point L515-26(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,170 INFO L189 CegarLoopUtils]: For program point L515-27(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,170 INFO L189 CegarLoopUtils]: For program point L515-29(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,170 INFO L189 CegarLoopUtils]: For program point L515-30(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,171 INFO L189 CegarLoopUtils]: For program point L515-32(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,171 INFO L189 CegarLoopUtils]: For program point L515-33(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,171 INFO L189 CegarLoopUtils]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-12-22 06:57:59,171 INFO L189 CegarLoopUtils]: For program point L417-1(lines 417 425) no Hoare annotation was computed. [2020-12-22 06:57:59,171 INFO L189 CegarLoopUtils]: For program point L515-35(lines 515 519) no Hoare annotation was computed. [2020-12-22 06:57:59,171 INFO L189 CegarLoopUtils]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-12-22 06:57:59,171 INFO L189 CegarLoopUtils]: For program point L583(lines 583 589) no Hoare annotation was computed. [2020-12-22 06:57:59,171 INFO L185 CegarLoopUtils]: At program point L583-1(lines 583 589) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-12-22 06:57:59,172 INFO L185 CegarLoopUtils]: At program point L650(lines 645 653) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:59,172 INFO L189 CegarLoopUtils]: For program point L387(lines 387 404) no Hoare annotation was computed. [2020-12-22 06:57:59,172 INFO L189 CegarLoopUtils]: For program point L387-1(lines 387 404) no Hoare annotation was computed. [2020-12-22 06:57:59,172 INFO L189 CegarLoopUtils]: For program point L387-2(lines 387 404) no Hoare annotation was computed. [2020-12-22 06:57:59,172 INFO L189 CegarLoopUtils]: For program point L387-3(lines 387 404) no Hoare annotation was computed. [2020-12-22 06:57:59,172 INFO L189 CegarLoopUtils]: For program point L387-4(lines 387 404) no Hoare annotation was computed. [2020-12-22 06:57:59,172 INFO L189 CegarLoopUtils]: For program point L387-5(lines 387 404) no Hoare annotation was computed. [2020-12-22 06:57:59,173 INFO L185 CegarLoopUtils]: At program point L189(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,173 INFO L185 CegarLoopUtils]: At program point L189-1(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,173 INFO L185 CegarLoopUtils]: At program point L189-2(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,173 INFO L185 CegarLoopUtils]: At program point L189-3(lines 180 193) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-12-22 06:57:59,173 INFO L185 CegarLoopUtils]: At program point L189-4(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,173 INFO L185 CegarLoopUtils]: At program point L189-5(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,174 INFO L185 CegarLoopUtils]: At program point L189-6(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,174 INFO L185 CegarLoopUtils]: At program point L189-7(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,174 INFO L185 CegarLoopUtils]: At program point L189-8(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,174 INFO L185 CegarLoopUtils]: At program point L189-9(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,174 INFO L185 CegarLoopUtils]: At program point L189-10(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,174 INFO L185 CegarLoopUtils]: At program point L189-11(lines 180 193) the Hoare annotation is: false [2020-12-22 06:57:59,174 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,175 INFO L185 CegarLoopUtils]: At program point L521(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,175 INFO L185 CegarLoopUtils]: At program point L521-1(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,175 INFO L185 CegarLoopUtils]: At program point L521-2(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,175 INFO L185 CegarLoopUtils]: At program point L521-3(lines 506 524) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (<= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2))) [2020-12-22 06:57:59,175 INFO L185 CegarLoopUtils]: At program point L521-4(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,175 INFO L185 CegarLoopUtils]: At program point L521-5(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,175 INFO L185 CegarLoopUtils]: At program point L521-6(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,176 INFO L185 CegarLoopUtils]: At program point L521-7(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,176 INFO L185 CegarLoopUtils]: At program point L521-8(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,176 INFO L185 CegarLoopUtils]: At program point L521-9(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,176 INFO L185 CegarLoopUtils]: At program point L521-10(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,176 INFO L185 CegarLoopUtils]: At program point L521-11(lines 506 524) the Hoare annotation is: false [2020-12-22 06:57:59,176 INFO L185 CegarLoopUtils]: At program point L225-2(lines 225 239) the Hoare annotation is: false [2020-12-22 06:57:59,176 INFO L185 CegarLoopUtils]: At program point L457(lines 450 460) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:59,177 INFO L185 CegarLoopUtils]: At program point L457-1(lines 450 460) the Hoare annotation is: false [2020-12-22 06:57:59,177 INFO L189 CegarLoopUtils]: For program point L391(lines 391 399) no Hoare annotation was computed. [2020-12-22 06:57:59,177 INFO L185 CegarLoopUtils]: At program point L457-2(lines 450 460) the Hoare annotation is: false [2020-12-22 06:57:59,177 INFO L189 CegarLoopUtils]: For program point L391-1(lines 391 399) no Hoare annotation was computed. [2020-12-22 06:57:59,177 INFO L189 CegarLoopUtils]: For program point L391-2(lines 391 399) no Hoare annotation was computed. [2020-12-22 06:57:59,177 INFO L189 CegarLoopUtils]: For program point L391-3(lines 391 399) no Hoare annotation was computed. [2020-12-22 06:57:59,177 INFO L189 CegarLoopUtils]: For program point L391-4(lines 391 399) no Hoare annotation was computed. [2020-12-22 06:57:59,177 INFO L189 CegarLoopUtils]: For program point L226(line 226) no Hoare annotation was computed. [2020-12-22 06:57:59,178 INFO L189 CegarLoopUtils]: For program point L391-5(lines 391 399) no Hoare annotation was computed. [2020-12-22 06:57:59,178 INFO L185 CegarLoopUtils]: At program point L61(lines 329 335) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-12-22 06:57:59,178 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,178 INFO L185 CegarLoopUtils]: At program point L61-1(lines 329 335) the Hoare annotation is: false [2020-12-22 06:57:59,178 INFO L185 CegarLoopUtils]: At program point L61-2(lines 329 335) the Hoare annotation is: false [2020-12-22 06:57:59,178 INFO L189 CegarLoopUtils]: For program point L361(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,178 INFO L189 CegarLoopUtils]: For program point L361-1(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,178 INFO L189 CegarLoopUtils]: For program point L361-2(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L361-3(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L361-4(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L361-5(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L361-6(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L361-7(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L361-8(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,179 INFO L189 CegarLoopUtils]: For program point L361-9(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,180 INFO L189 CegarLoopUtils]: For program point L361-10(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,180 INFO L189 CegarLoopUtils]: For program point L361-11(lines 361 378) no Hoare annotation was computed. [2020-12-22 06:57:59,180 INFO L189 CegarLoopUtils]: For program point L593(lines 593 606) no Hoare annotation was computed. [2020-12-22 06:57:59,180 INFO L185 CegarLoopUtils]: At program point L329(lines 325 347) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-12-22 06:57:59,180 INFO L185 CegarLoopUtils]: At program point L329-1(lines 325 347) the Hoare annotation is: false [2020-12-22 06:57:59,180 INFO L185 CegarLoopUtils]: At program point L329-2(lines 325 347) the Hoare annotation is: false [2020-12-22 06:57:59,180 INFO L189 CegarLoopUtils]: For program point L131(lines 131 135) no Hoare annotation was computed. [2020-12-22 06:57:59,180 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,181 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2020-12-22 06:57:59,181 INFO L185 CegarLoopUtils]: At program point L199(lines 194 202) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:59,181 INFO L185 CegarLoopUtils]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2020-12-22 06:57:59,181 INFO L185 CegarLoopUtils]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2020-12-22 06:57:59,181 INFO L185 CegarLoopUtils]: At program point L199-3(lines 194 202) the Hoare annotation is: false [2020-12-22 06:57:59,181 INFO L185 CegarLoopUtils]: At program point L199-4(lines 194 202) the Hoare annotation is: false [2020-12-22 06:57:59,181 INFO L185 CegarLoopUtils]: At program point L199-5(lines 194 202) the Hoare annotation is: false [2020-12-22 06:57:59,182 INFO L189 CegarLoopUtils]: For program point L365(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,182 INFO L189 CegarLoopUtils]: For program point L365-1(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,182 INFO L189 CegarLoopUtils]: For program point L365-2(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,182 INFO L189 CegarLoopUtils]: For program point L365-3(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,182 INFO L189 CegarLoopUtils]: For program point L365-4(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,182 INFO L189 CegarLoopUtils]: For program point L365-5(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,182 INFO L189 CegarLoopUtils]: For program point L365-6(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,182 INFO L189 CegarLoopUtils]: For program point L365-7(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,183 INFO L189 CegarLoopUtils]: For program point L365-8(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,183 INFO L189 CegarLoopUtils]: For program point L365-9(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,183 INFO L189 CegarLoopUtils]: For program point L365-10(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,183 INFO L189 CegarLoopUtils]: For program point L365-11(lines 365 373) no Hoare annotation was computed. [2020-12-22 06:57:59,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:59 BoogieIcfgContainer [2020-12-22 06:57:59,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:59,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:59,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:59,215 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:59,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:53" (3/4) ... [2020-12-22 06:57:59,219 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:59,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:59,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:59,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:59,252 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:59,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:59,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:59,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:59,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) && tmp == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,291 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,291 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,292 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2020-12-22 06:57:59,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-12-22 06:57:59,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-12-22 06:57:59,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:59,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:59,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:59,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-12-22 06:57:59,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-12-22 06:57:59,411 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product54.cil.c-witness.graphml [2020-12-22 06:57:59,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:59,413 INFO L168 Benchmark]: Toolchain (without parser) took 7980.41 ms. Allocated memory was 179.3 MB in the beginning and 278.9 MB in the end (delta: 99.6 MB). Free memory was 153.9 MB in the beginning and 226.4 MB in the end (delta: -72.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,414 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 179.3 MB. Free memory is still 150.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:59,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.27 ms. Allocated memory is still 179.3 MB. Free memory was 153.8 MB in the beginning and 131.7 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.42 ms. Allocated memory is still 179.3 MB. Free memory was 131.5 MB in the beginning and 126.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,415 INFO L168 Benchmark]: Boogie Preprocessor took 134.48 ms. Allocated memory is still 179.3 MB. Free memory was 126.5 MB in the beginning and 159.5 MB in the end (delta: -33.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,415 INFO L168 Benchmark]: RCFGBuilder took 1212.14 ms. Allocated memory is still 179.3 MB. Free memory was 159.5 MB in the beginning and 77.7 MB in the end (delta: 81.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,416 INFO L168 Benchmark]: TraceAbstraction took 5743.16 ms. Allocated memory was 179.3 MB in the beginning and 278.9 MB in the end (delta: 99.6 MB). Free memory was 77.1 MB in the beginning and 242.8 MB in the end (delta: -165.7 MB). Peak memory consumption was 81.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,416 INFO L168 Benchmark]: Witness Printer took 196.86 ms. Allocated memory is still 278.9 MB. Free memory was 242.8 MB in the beginning and 226.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 179.3 MB. Free memory is still 150.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 589.27 ms. Allocated memory is still 179.3 MB. Free memory was 153.8 MB in the beginning and 131.7 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 90.42 ms. Allocated memory is still 179.3 MB. Free memory was 131.5 MB in the beginning and 126.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 134.48 ms. Allocated memory is still 179.3 MB. Free memory was 126.5 MB in the beginning and 159.5 MB in the end (delta: -33.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1212.14 ms. Allocated memory is still 179.3 MB. Free memory was 159.5 MB in the beginning and 77.7 MB in the end (delta: 81.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5743.16 ms. Allocated memory was 179.3 MB in the beginning and 278.9 MB in the end (delta: 99.6 MB). Free memory was 77.1 MB in the beginning and 242.8 MB in the end (delta: -165.7 MB). Peak memory consumption was 81.2 MB. Max. memory is 8.0 GB. * Witness Printer took 196.86 ms. Allocated memory is still 278.9 MB. Free memory was 242.8 MB in the beginning and 226.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 208]: 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: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) && tmp == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1354 SDtfs, 1549 SDslu, 1670 SDs, 0 SdLazy, 310 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 525 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 74 PreInvPairs, 183 NumberOfFragments, 771 HoareAnnotationTreeSize, 74 FomulaSimplifications, 36840 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 74 FomulaSimplificationsInter, 6826 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 385 ConstructedInterpolants, 0 QuantifiedInterpolants, 35671 SizeOfPredicates, 3 NumberOfNonLiveVariables, 466 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...