/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_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:52:45,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:52:45,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:52:45,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:52:45,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:52:45,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:52:45,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:52:45,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:52:45,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:52:45,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:52:45,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:52:45,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:52:45,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:52:45,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:52:45,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:52:45,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:52:45,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:52:45,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:52:45,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:52:45,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:52:45,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:52:45,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:52:45,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:52:45,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:52:45,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:52:45,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:52:45,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:52:45,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:52:45,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:52:45,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:52:45,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:52:45,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:52:45,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:52:45,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:52:45,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:52:45,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:52:45,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:52:45,989 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:52:45,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:52:45,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:52:45,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:52:45,996 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:52:45,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:52:45,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:52:45,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:52:45,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:52:45,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:52:45,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:52:45,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:52:45,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:52:45,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:52:45,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:52:45,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:52:45,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:52:46,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:52:46,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:52:46,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:52:46,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:52:46,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:52:46,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:52:46,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:52:46,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:52:46,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:52:46,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:52:46,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:52:46,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:52:46,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:52:46,470 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:52:46,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-12-22 06:52:46,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f42935849/e40dff38f2254a6da436e062d6594058/FLAG671c8a650 [2020-12-22 06:52:47,183 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:52:47,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-12-22 06:52:47,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f42935849/e40dff38f2254a6da436e062d6594058/FLAG671c8a650 [2020-12-22 06:52:47,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f42935849/e40dff38f2254a6da436e062d6594058 [2020-12-22 06:52:47,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:52:47,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:52:47,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:47,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:52:47,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:52:47,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:47" (1/1) ... [2020-12-22 06:52:47,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d262fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:47, skipping insertion in model container [2020-12-22 06:52:47,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:47" (1/1) ... [2020-12-22 06:52:47,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:52:47,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:52:47,761 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_spec1_product16.cil.c[4577,4590] [2020-12-22 06:52:47,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:47,937 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:52:47,998 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_spec1_product16.cil.c[4577,4590] [2020-12-22 06:52:48,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:48,092 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:52:48,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48 WrapperNode [2020-12-22 06:52:48,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:48,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:48,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:52:48,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:52:48,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:48,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:52:48,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:52:48,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:52:48,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (1/1) ... [2020-12-22 06:52:48,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:52:48,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:52:48,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:52:48,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:52:48,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (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 06:52:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:52:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:52:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:52:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:52:49,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:52:49,365 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2020-12-22 06:52:49,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:49 BoogieIcfgContainer [2020-12-22 06:52:49,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:52:49,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:52:49,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:52:49,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:52:49,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:52:47" (1/3) ... [2020-12-22 06:52:49,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c0dd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:49, skipping insertion in model container [2020-12-22 06:52:49,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:48" (2/3) ... [2020-12-22 06:52:49,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c0dd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:49, skipping insertion in model container [2020-12-22 06:52:49,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:49" (3/3) ... [2020-12-22 06:52:49,378 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-12-22 06:52:49,385 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:52:49,391 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:52:49,412 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:52:49,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:52:49,443 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:52:49,443 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:52:49,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:52:49,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:52:49,444 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:52:49,444 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:52:49,444 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:52:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-12-22 06:52:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:52:49,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:49,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:49,473 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:49,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:49,481 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2020-12-22 06:52:49,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:49,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346552656] [2020-12-22 06:52:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:49,844 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 06:52:49,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346552656] [2020-12-22 06:52:49,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:49,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:52:49,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056084602] [2020-12-22 06:52:49,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:52:49,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:49,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:52:49,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:52:49,871 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2020-12-22 06:52:49,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:49,900 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2020-12-22 06:52:49,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:52:49,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:52:49,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:49,914 INFO L225 Difference]: With dead ends: 136 [2020-12-22 06:52:49,915 INFO L226 Difference]: Without dead ends: 67 [2020-12-22 06:52:49,918 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 06:52:49,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-12-22 06:52:49,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-12-22 06:52:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-12-22 06:52:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-12-22 06:52:49,966 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-12-22 06:52:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:49,967 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-12-22 06:52:49,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:52:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-12-22 06:52:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:52:49,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:49,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:49,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:52:49,970 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:49,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2020-12-22 06:52:49,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:49,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074132282] [2020-12-22 06:52:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:50,092 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 06:52:50,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074132282] [2020-12-22 06:52:50,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:50,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:52:50,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597024250] [2020-12-22 06:52:50,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:52:50,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:50,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:52:50,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:50,098 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-12-22 06:52:50,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:50,110 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-12-22 06:52:50,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:52:50,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:52:50,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:50,112 INFO L225 Difference]: With dead ends: 67 [2020-12-22 06:52:50,112 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:52:50,114 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 06:52:50,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:52:50,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:52:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:52:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-12-22 06:52:50,120 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-12-22 06:52:50,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:50,120 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-12-22 06:52:50,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:52:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-22 06:52:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:52:50,121 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:50,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:50,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:52:50,122 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:50,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:50,123 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-12-22 06:52:50,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:50,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327334582] [2020-12-22 06:52:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:50,232 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 06:52:50,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327334582] [2020-12-22 06:52:50,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:50,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:52:50,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681943611] [2020-12-22 06:52:50,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:52:50,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:50,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:52:50,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:50,236 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-12-22 06:52:50,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:50,275 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2020-12-22 06:52:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:52:50,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:52:50,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:50,277 INFO L225 Difference]: With dead ends: 87 [2020-12-22 06:52:50,277 INFO L226 Difference]: Without dead ends: 60 [2020-12-22 06:52:50,278 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 06:52:50,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-12-22 06:52:50,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2020-12-22 06:52:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-22 06:52:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2020-12-22 06:52:50,289 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2020-12-22 06:52:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:50,289 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2020-12-22 06:52:50,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:52:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2020-12-22 06:52:50,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:52:50,291 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:50,291 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] [2020-12-22 06:52:50,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:52:50,291 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:50,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:50,292 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-12-22 06:52:50,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:50,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390248897] [2020-12-22 06:52:50,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:50,398 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 06:52:50,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390248897] [2020-12-22 06:52:50,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:50,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:50,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184870366] [2020-12-22 06:52:50,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:50,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:50,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:50,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:50,408 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2020-12-22 06:52:50,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:50,612 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2020-12-22 06:52:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:52:50,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:52:50,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:50,616 INFO L225 Difference]: With dead ends: 260 [2020-12-22 06:52:50,616 INFO L226 Difference]: Without dead ends: 210 [2020-12-22 06:52:50,617 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 06:52:50,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-12-22 06:52:50,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2020-12-22 06:52:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-12-22 06:52:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2020-12-22 06:52:50,636 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2020-12-22 06:52:50,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:50,637 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2020-12-22 06:52:50,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:50,637 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2020-12-22 06:52:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:52:50,638 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:50,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:50,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:52:50,639 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:50,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2020-12-22 06:52:50,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:50,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778009389] [2020-12-22 06:52:50,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:50,724 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 06:52:50,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778009389] [2020-12-22 06:52:50,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:50,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:50,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128221306] [2020-12-22 06:52:50,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:50,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:50,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:50,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:50,727 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2020-12-22 06:52:50,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:50,834 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2020-12-22 06:52:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:52:50,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:52:50,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:50,836 INFO L225 Difference]: With dead ends: 296 [2020-12-22 06:52:50,836 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:52:50,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:52:50,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:52:50,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:52:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:52:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:52:50,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-22 06:52:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:50,839 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:52:50,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:52:50,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:52:50,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:52:50,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:52:51,169 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2020-12-22 06:52:51,170 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:52:51,170 INFO L189 CegarLoopUtils]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-12-22 06:52:51,170 INFO L189 CegarLoopUtils]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-12-22 06:52:51,171 INFO L189 CegarLoopUtils]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-12-22 06:52:51,171 INFO L185 CegarLoopUtils]: At program point L781(lines 776 784) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,172 INFO L185 CegarLoopUtils]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2020-12-22 06:52:51,172 INFO L189 CegarLoopUtils]: For program point L715(lines 715 723) no Hoare annotation was computed. [2020-12-22 06:52:51,172 INFO L185 CegarLoopUtils]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2020-12-22 06:52:51,172 INFO L189 CegarLoopUtils]: For program point L715-1(lines 715 723) no Hoare annotation was computed. [2020-12-22 06:52:51,173 INFO L189 CegarLoopUtils]: For program point L715-2(lines 715 723) no Hoare annotation was computed. [2020-12-22 06:52:51,173 INFO L189 CegarLoopUtils]: For program point L138(lines 138 151) no Hoare annotation was computed. [2020-12-22 06:52:51,173 INFO L185 CegarLoopUtils]: At program point L138-1(lines 1 912) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,173 INFO L189 CegarLoopUtils]: For program point L138-2(lines 138 151) no Hoare annotation was computed. [2020-12-22 06:52:51,173 INFO L185 CegarLoopUtils]: At program point L138-3(lines 1 912) the Hoare annotation is: false [2020-12-22 06:52:51,173 INFO L189 CegarLoopUtils]: For program point L138-4(lines 138 151) no Hoare annotation was computed. [2020-12-22 06:52:51,173 INFO L185 CegarLoopUtils]: At program point L138-5(lines 1 912) the Hoare annotation is: false [2020-12-22 06:52:51,174 INFO L189 CegarLoopUtils]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-12-22 06:52:51,174 INFO L185 CegarLoopUtils]: At program point L865-1(lines 865 871) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,175 INFO L192 CegarLoopUtils]: At program point L288(lines 269 291) the Hoare annotation is: true [2020-12-22 06:52:51,175 INFO L185 CegarLoopUtils]: At program point L255(lines 251 257) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:51,175 INFO L185 CegarLoopUtils]: At program point L189(lines 184 192) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:51,175 INFO L185 CegarLoopUtils]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2020-12-22 06:52:51,175 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:52:51,175 INFO L185 CegarLoopUtils]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-12-22 06:52:51,176 INFO L185 CegarLoopUtils]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,176 INFO L185 CegarLoopUtils]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-12-22 06:52:51,176 INFO L185 CegarLoopUtils]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-12-22 06:52:51,176 INFO L185 CegarLoopUtils]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-12-22 06:52:51,177 INFO L185 CegarLoopUtils]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-12-22 06:52:51,177 INFO L189 CegarLoopUtils]: For program point L207(line 207) no Hoare annotation was computed. [2020-12-22 06:52:51,177 INFO L185 CegarLoopUtils]: At program point L686(lines 686 692) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,177 INFO L185 CegarLoopUtils]: At program point L686-1(lines 686 692) the Hoare annotation is: false [2020-12-22 06:52:51,177 INFO L185 CegarLoopUtils]: At program point L686-2(lines 686 692) the Hoare annotation is: false [2020-12-22 06:52:51,177 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2020-12-22 06:52:51,178 INFO L189 CegarLoopUtils]: For program point L885(lines 885 900) no Hoare annotation was computed. [2020-12-22 06:52:51,178 INFO L189 CegarLoopUtils]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:52:51,178 INFO L189 CegarLoopUtils]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:52:51,178 INFO L189 CegarLoopUtils]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:52:51,178 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:52:51,179 INFO L189 CegarLoopUtils]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-12-22 06:52:51,179 INFO L189 CegarLoopUtils]: For program point L210-1(lines 679 685) no Hoare annotation was computed. [2020-12-22 06:52:51,179 INFO L189 CegarLoopUtils]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-12-22 06:52:51,180 INFO L185 CegarLoopUtils]: At program point L772(lines 765 775) the Hoare annotation is: false [2020-12-22 06:52:51,180 INFO L185 CegarLoopUtils]: At program point L772-1(lines 765 775) the Hoare annotation is: false [2020-12-22 06:52:51,180 INFO L185 CegarLoopUtils]: At program point L772-2(lines 765 775) the Hoare annotation is: false [2020-12-22 06:52:51,180 INFO L185 CegarLoopUtils]: At program point L905(lines 854 906) the Hoare annotation is: false [2020-12-22 06:52:51,180 INFO L189 CegarLoopUtils]: For program point L856(lines 855 904) no Hoare annotation was computed. [2020-12-22 06:52:51,180 INFO L189 CegarLoopUtils]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-12-22 06:52:51,181 INFO L189 CegarLoopUtils]: For program point L279(lines 279 286) no Hoare annotation was computed. [2020-12-22 06:52:51,181 INFO L192 CegarLoopUtils]: At program point L279-1(lines 279 286) the Hoare annotation is: true [2020-12-22 06:52:51,181 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:52:51,181 INFO L189 CegarLoopUtils]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-12-22 06:52:51,181 INFO L185 CegarLoopUtils]: At program point L825-1(lines 825 831) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,181 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2020-12-22 06:52:51,182 INFO L185 CegarLoopUtils]: At program point L181(lines 1 912) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:51,182 INFO L189 CegarLoopUtils]: For program point L875(lines 875 881) no Hoare annotation was computed. [2020-12-22 06:52:51,182 INFO L185 CegarLoopUtils]: At program point L875-1(lines 875 881) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,182 INFO L189 CegarLoopUtils]: For program point L297(line 297) no Hoare annotation was computed. [2020-12-22 06:52:51,182 INFO L189 CegarLoopUtils]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-12-22 06:52:51,182 INFO L189 CegarLoopUtils]: For program point L297-2(line 297) no Hoare annotation was computed. [2020-12-22 06:52:51,183 INFO L189 CegarLoopUtils]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-12-22 06:52:51,183 INFO L189 CegarLoopUtils]: For program point L711(lines 711 728) no Hoare annotation was computed. [2020-12-22 06:52:51,183 INFO L189 CegarLoopUtils]: For program point L711-1(lines 711 728) no Hoare annotation was computed. [2020-12-22 06:52:51,183 INFO L189 CegarLoopUtils]: For program point L711-2(lines 711 728) no Hoare annotation was computed. [2020-12-22 06:52:51,183 INFO L189 CegarLoopUtils]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-12-22 06:52:51,183 INFO L185 CegarLoopUtils]: At program point L893-1(lines 679 685) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,184 INFO L185 CegarLoopUtils]: At program point L679(lines 678 697) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:51,184 INFO L189 CegarLoopUtils]: For program point L679-1(lines 679 685) no Hoare annotation was computed. [2020-12-22 06:52:51,184 INFO L185 CegarLoopUtils]: At program point L679-2(lines 678 697) the Hoare annotation is: false [2020-12-22 06:52:51,184 INFO L185 CegarLoopUtils]: At program point L679-3(lines 678 697) the Hoare annotation is: false [2020-12-22 06:52:51,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:52:51 BoogieIcfgContainer [2020-12-22 06:52:51,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:52:51,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:52:51,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:52:51,205 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:52:51,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:49" (3/4) ... [2020-12-22 06:52:51,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:52:51,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:52:51,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:52:51,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:52:51,227 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:52:51,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:52:51,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:51,229 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:51,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:52:51,323 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product16.cil.c-witness.graphml [2020-12-22 06:52:51,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:52:51,326 INFO L168 Benchmark]: Toolchain (without parser) took 3843.23 ms. Allocated memory was 162.5 MB in the beginning and 198.2 MB in the end (delta: 35.7 MB). Free memory was 136.6 MB in the beginning and 86.6 MB in the end (delta: 50.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:51,326 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 162.5 MB. Free memory is still 134.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:52:51,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.19 ms. Allocated memory is still 162.5 MB. Free memory was 136.4 MB in the beginning and 115.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:51,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.02 ms. Allocated memory is still 162.5 MB. Free memory was 115.8 MB in the beginning and 112.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:51,327 INFO L168 Benchmark]: Boogie Preprocessor took 69.42 ms. Allocated memory is still 162.5 MB. Free memory was 112.9 MB in the beginning and 110.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:51,328 INFO L168 Benchmark]: RCFGBuilder took 1109.40 ms. Allocated memory is still 162.5 MB. Free memory was 110.8 MB in the beginning and 93.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:51,328 INFO L168 Benchmark]: TraceAbstraction took 1834.72 ms. Allocated memory was 162.5 MB in the beginning and 198.2 MB in the end (delta: 35.7 MB). Free memory was 92.6 MB in the beginning and 93.4 MB in the end (delta: -789.7 kB). Peak memory consumption was 35.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:51,329 INFO L168 Benchmark]: Witness Printer took 118.66 ms. Allocated memory is still 198.2 MB. Free memory was 93.4 MB in the beginning and 86.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:51,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 162.5 MB. Free memory is still 134.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 610.19 ms. Allocated memory is still 162.5 MB. Free memory was 136.4 MB in the beginning and 115.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 93.02 ms. Allocated memory is still 162.5 MB. Free memory was 115.8 MB in the beginning and 112.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 69.42 ms. Allocated memory is still 162.5 MB. Free memory was 112.9 MB in the beginning and 110.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1109.40 ms. Allocated memory is still 162.5 MB. Free memory was 110.8 MB in the beginning and 93.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1834.72 ms. Allocated memory was 162.5 MB in the beginning and 198.2 MB in the end (delta: 35.7 MB). Free memory was 92.6 MB in the beginning and 93.4 MB in the end (delta: -789.7 kB). Peak memory consumption was 35.4 MB. Max. memory is 8.0 GB. * Witness Printer took 118.66 ms. Allocated memory is still 198.2 MB. Free memory was 93.4 MB in the beginning and 86.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 297]: 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: 86]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 317 SDslu, 299 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...