/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:03,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:03,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:03,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:03,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:03,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:03,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:03,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:03,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:03,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:03,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:03,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:03,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:03,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:03,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:03,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:03,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:03,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:03,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:03,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:03,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:03,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:03,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:03,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:03,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:03,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:03,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:03,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:03,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:03,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:03,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:03,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:03,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:03,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:03,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:03,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:03,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:03,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:03,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:03,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:03,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:03,218 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:03,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:03,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:03,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:03,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:03,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:03,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:03,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:03,221 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:03,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:03,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:03,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:03,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:03,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:03,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:03,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:03,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:03,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:03,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:03,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:03,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:03,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:03,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:03,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:03,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:03,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:03,674 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:03,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-12-22 06:56:03,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d93d7c6c/5e724ef9321a4bcda1d5df9fa4d15968/FLAG7065e6c5f [2020-12-22 06:56:04,501 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:04,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-12-22 06:56:04,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d93d7c6c/5e724ef9321a4bcda1d5df9fa4d15968/FLAG7065e6c5f [2020-12-22 06:56:04,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d93d7c6c/5e724ef9321a4bcda1d5df9fa4d15968 [2020-12-22 06:56:04,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:04,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:04,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:04,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:04,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:04,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:04" (1/1) ... [2020-12-22 06:56:04,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649ae089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:04, skipping insertion in model container [2020-12-22 06:56:04,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:04" (1/1) ... [2020-12-22 06:56:04,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:04,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:04,964 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2020-12-22 06:56:05,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:05,158 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:05,175 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2020-12-22 06:56:05,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:05,317 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:05,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05 WrapperNode [2020-12-22 06:56:05,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:05,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:05,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:05,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:05,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:05,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:05,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:05,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:05,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:05,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:05,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:05,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:05,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:06,536 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:06,537 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2020-12-22 06:56:06,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:06 BoogieIcfgContainer [2020-12-22 06:56:06,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:06,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:06,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:06,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:06,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:04" (1/3) ... [2020-12-22 06:56:06,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3d0a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:06, skipping insertion in model container [2020-12-22 06:56:06,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (2/3) ... [2020-12-22 06:56:06,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3d0a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:06, skipping insertion in model container [2020-12-22 06:56:06,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:06" (3/3) ... [2020-12-22 06:56:06,558 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2020-12-22 06:56:06,567 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:06,573 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:06,599 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:06,647 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:06,647 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:06,647 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:06,647 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:06,648 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:06,648 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:06,648 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:06,648 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-12-22 06:56:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:06,678 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:06,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:06,680 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:06,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:06,694 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2020-12-22 06:56:06,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:06,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838560818] [2020-12-22 06:56:06,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:07,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838560818] [2020-12-22 06:56:07,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:07,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:07,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395298024] [2020-12-22 06:56:07,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:07,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:07,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:07,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:07,083 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-12-22 06:56:07,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:07,110 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2020-12-22 06:56:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:07,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:07,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:07,122 INFO L225 Difference]: With dead ends: 108 [2020-12-22 06:56:07,123 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:56:07,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:07,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:56:07,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:56:07,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:56:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-12-22 06:56:07,173 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-12-22 06:56:07,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:07,174 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-12-22 06:56:07,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:07,174 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-12-22 06:56:07,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:07,175 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:07,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:07,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:07,176 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:07,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:07,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2020-12-22 06:56:07,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:07,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814003827] [2020-12-22 06:56:07,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:07,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814003827] [2020-12-22 06:56:07,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:07,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:07,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224010445] [2020-12-22 06:56:07,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:07,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:07,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:07,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:07,362 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-12-22 06:56:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:07,374 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-12-22 06:56:07,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:07,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:07,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:07,376 INFO L225 Difference]: With dead ends: 53 [2020-12-22 06:56:07,376 INFO L226 Difference]: Without dead ends: 27 [2020-12-22 06:56:07,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:07,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-22 06:56:07,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-22 06:56:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-22 06:56:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-12-22 06:56:07,384 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-12-22 06:56:07,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:07,385 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-12-22 06:56:07,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:07,385 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-22 06:56:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:07,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:07,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:07,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:07,387 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:07,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:07,388 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-12-22 06:56:07,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:07,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55268143] [2020-12-22 06:56:07,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:07,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55268143] [2020-12-22 06:56:07,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:07,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:56:07,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520434597] [2020-12-22 06:56:07,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:07,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:07,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:07,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:07,615 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-12-22 06:56:07,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:07,981 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2020-12-22 06:56:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:56:07,981 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-12-22 06:56:07,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:07,985 INFO L225 Difference]: With dead ends: 142 [2020-12-22 06:56:07,985 INFO L226 Difference]: Without dead ends: 121 [2020-12-22 06:56:07,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:56:07,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-22 06:56:08,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2020-12-22 06:56:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-22 06:56:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-12-22 06:56:08,002 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-12-22 06:56:08,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:08,003 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-12-22 06:56:08,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-12-22 06:56:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:56:08,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:08,004 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 06:56:08,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:08,005 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:08,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:08,006 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2020-12-22 06:56:08,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:08,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642041206] [2020-12-22 06:56:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:08,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642041206] [2020-12-22 06:56:08,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:08,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:08,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994157817] [2020-12-22 06:56:08,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:08,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:08,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:08,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:08,070 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-12-22 06:56:08,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:08,095 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-12-22 06:56:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:08,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-12-22 06:56:08,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:08,100 INFO L225 Difference]: With dead ends: 95 [2020-12-22 06:56:08,100 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:56:08,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:08,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:56:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:56:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:56:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-12-22 06:56:08,121 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-12-22 06:56:08,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:08,122 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-12-22 06:56:08,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-12-22 06:56:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:56:08,124 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:08,124 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:08,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:08,125 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:08,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:08,126 INFO L82 PathProgramCache]: Analyzing trace with hash 587810131, now seen corresponding path program 1 times [2020-12-22 06:56:08,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:08,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795855881] [2020-12-22 06:56:08,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:08,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795855881] [2020-12-22 06:56:08,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13626076] [2020-12-22 06:56:08,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:08,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:56:08,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:08,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:56:08,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-22 06:56:08,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521678451] [2020-12-22 06:56:08,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:08,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:08,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:08,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:08,507 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 4 states. [2020-12-22 06:56:08,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:08,605 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2020-12-22 06:56:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:08,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-22 06:56:08,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:08,606 INFO L225 Difference]: With dead ends: 73 [2020-12-22 06:56:08,606 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:08,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:08,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:08,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:08,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:08,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-12-22 06:56:08,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:08,609 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:08,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:08,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:08,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:08,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:08,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:09,237 INFO L189 CegarLoopUtils]: For program point L316(lines 316 320) no Hoare annotation was computed. [2020-12-22 06:56:09,237 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:09,237 INFO L189 CegarLoopUtils]: For program point L102(line 102) no Hoare annotation was computed. [2020-12-22 06:56:09,237 INFO L189 CegarLoopUtils]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-12-22 06:56:09,238 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:09,238 INFO L189 CegarLoopUtils]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2020-12-22 06:56:09,239 INFO L192 CegarLoopUtils]: At program point L185(lines 166 188) the Hoare annotation is: true [2020-12-22 06:56:09,239 INFO L185 CegarLoopUtils]: At program point L152(lines 148 154) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) [2020-12-22 06:56:09,239 INFO L189 CegarLoopUtils]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-12-22 06:56:09,239 INFO L189 CegarLoopUtils]: For program point L334(lines 334 340) no Hoare annotation was computed. [2020-12-22 06:56:09,241 INFO L185 CegarLoopUtils]: At program point L334-1(lines 334 340) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:56:09,241 INFO L185 CegarLoopUtils]: At program point L204(lines 203 222) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:56:09,241 INFO L189 CegarLoopUtils]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2020-12-22 06:56:09,241 INFO L185 CegarLoopUtils]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2020-12-22 06:56:09,241 INFO L189 CegarLoopUtils]: For program point L105(lines 105 109) no Hoare annotation was computed. [2020-12-22 06:56:09,242 INFO L185 CegarLoopUtils]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2020-12-22 06:56:09,242 INFO L189 CegarLoopUtils]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2020-12-22 06:56:09,243 INFO L189 CegarLoopUtils]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-12-22 06:56:09,243 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:09,244 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:09,244 INFO L185 CegarLoopUtils]: At program point L76(lines 1 840) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-12-22 06:56:09,244 INFO L189 CegarLoopUtils]: For program point L324(lines 324 330) no Hoare annotation was computed. [2020-12-22 06:56:09,244 INFO L185 CegarLoopUtils]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:56:09,244 INFO L189 CegarLoopUtils]: For program point L176(lines 176 183) no Hoare annotation was computed. [2020-12-22 06:56:09,245 INFO L192 CegarLoopUtils]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2020-12-22 06:56:09,245 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:09,245 INFO L189 CegarLoopUtils]: For program point L458(lines 458 471) no Hoare annotation was computed. [2020-12-22 06:56:09,245 INFO L185 CegarLoopUtils]: At program point L458-1(lines 1 840) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:56:09,245 INFO L189 CegarLoopUtils]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2020-12-22 06:56:09,246 INFO L185 CegarLoopUtils]: At program point L458-3(lines 1 840) the Hoare annotation is: false [2020-12-22 06:56:09,246 INFO L189 CegarLoopUtils]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2020-12-22 06:56:09,247 INFO L185 CegarLoopUtils]: At program point L458-5(lines 1 840) the Hoare annotation is: false [2020-12-22 06:56:09,247 INFO L189 CegarLoopUtils]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:56:09,251 INFO L189 CegarLoopUtils]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:56:09,252 INFO L185 CegarLoopUtils]: At program point L211(lines 211 217) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:56:09,252 INFO L185 CegarLoopUtils]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2020-12-22 06:56:09,253 INFO L189 CegarLoopUtils]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:56:09,253 INFO L185 CegarLoopUtils]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2020-12-22 06:56:09,254 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:56:09,255 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:56:09,259 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:56:09,259 INFO L185 CegarLoopUtils]: At program point L360(lines 313 361) the Hoare annotation is: false [2020-12-22 06:56:09,260 INFO L189 CegarLoopUtils]: For program point L344(lines 344 355) no Hoare annotation was computed. [2020-12-22 06:56:09,260 INFO L185 CegarLoopUtils]: At program point L263(lines 258 266) the Hoare annotation is: false [2020-12-22 06:56:09,260 INFO L185 CegarLoopUtils]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2020-12-22 06:56:09,260 INFO L185 CegarLoopUtils]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2020-12-22 06:56:09,260 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:09,260 INFO L185 CegarLoopUtils]: At program point L445(lines 440 448) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2020-12-22 06:56:09,261 INFO L185 CegarLoopUtils]: At program point L445-1(lines 440 448) the Hoare annotation is: false [2020-12-22 06:56:09,261 INFO L185 CegarLoopUtils]: At program point L445-2(lines 440 448) the Hoare annotation is: false [2020-12-22 06:56:09,263 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:09,264 INFO L189 CegarLoopUtils]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-12-22 06:56:09,264 INFO L189 CegarLoopUtils]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2020-12-22 06:56:09,264 INFO L189 CegarLoopUtils]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2020-12-22 06:56:09,264 INFO L189 CegarLoopUtils]: For program point L315(lines 314 359) no Hoare annotation was computed. [2020-12-22 06:56:09,264 INFO L185 CegarLoopUtils]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:09,265 INFO L185 CegarLoopUtils]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2020-12-22 06:56:09,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:09 BoogieIcfgContainer [2020-12-22 06:56:09,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:09,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:09,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:09,309 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:09,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:06" (3/4) ... [2020-12-22 06:56:09,314 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:09,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:09,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:09,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:09,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:09,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:09,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:09,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:09,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 [2020-12-22 06:56:09,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel [2020-12-22 06:56:09,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) || ((((!(\result == 0) && !(tmp == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:09,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:09,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:09,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:09,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:09,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2020-12-22 06:56:09,420 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product01.cil.c-witness.graphml [2020-12-22 06:56:09,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:09,423 INFO L168 Benchmark]: Toolchain (without parser) took 4688.12 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 125.8 MB in the beginning and 92.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 74.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:09,423 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.7 MB in the end (delta: 84.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:09,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.86 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 106.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:09,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.79 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 103.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:09,425 INFO L168 Benchmark]: Boogie Preprocessor took 44.55 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 101.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:09,426 INFO L168 Benchmark]: RCFGBuilder took 1099.27 ms. Allocated memory is still 151.0 MB. Free memory was 101.5 MB in the beginning and 87.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:09,427 INFO L168 Benchmark]: TraceAbstraction took 2762.81 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 87.4 MB in the beginning and 98.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:09,427 INFO L168 Benchmark]: Witness Printer took 112.28 ms. Allocated memory is still 191.9 MB. Free memory was 97.6 MB in the beginning and 92.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:09,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.7 MB in the end (delta: 84.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 577.86 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 106.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 75.79 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 103.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.55 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 101.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1099.27 ms. Allocated memory is still 151.0 MB. Free memory was 101.5 MB in the beginning and 87.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2762.81 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 87.4 MB in the beginning and 98.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 8.0 GB. * Witness Printer took 112.28 ms. Allocated memory is still 191.9 MB. Free memory was 97.6 MB in the beginning and 92.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) || ((((!(\result == 0) && !(tmp == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 38 NumberOfFragments, 223 HoareAnnotationTreeSize, 24 FomulaSimplifications, 235 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 9184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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...