/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:28,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:28,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:28,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:28,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:28,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:28,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:28,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:28,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:28,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:28,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:28,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:28,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:28,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:28,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:28,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:28,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:28,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:28,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:28,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:28,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:28,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:28,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:28,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:28,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:28,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:28,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:28,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:28,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:28,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:28,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:28,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:28,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:28,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:28,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:28,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:28,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:28,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:28,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:28,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:28,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:28,731 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:28,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:28,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:28,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:28,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:28,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:28,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:28,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:28,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:28,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:28,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:28,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:28,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:28,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:28,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:28,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:28,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:28,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:28,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:28,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:28,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:28,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:29,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:29,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:29,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:29,146 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:29,146 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:29,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2020-12-22 06:54:29,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa68b6c7d/5d33a768e3fa40bd9f2e23d4153f285e/FLAG1e2263be3 [2020-12-22 06:54:29,939 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:29,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2020-12-22 06:54:29,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa68b6c7d/5d33a768e3fa40bd9f2e23d4153f285e/FLAG1e2263be3 [2020-12-22 06:54:30,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa68b6c7d/5d33a768e3fa40bd9f2e23d4153f285e [2020-12-22 06:54:30,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:30,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:30,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:30,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:30,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:30,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:30,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4491c0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30, skipping insertion in model container [2020-12-22 06:54:30,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:30,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:30,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:30,689 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2020-12-22 06:54:30,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:30,705 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:30,827 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2020-12-22 06:54:30,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:30,885 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:30,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30 WrapperNode [2020-12-22 06:54:30,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:30,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:30,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:30,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:30,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:30,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:31,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:31,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:31,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:31,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:31,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:31,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:31,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:31,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:31,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:31,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:31,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... [2020-12-22 06:54:31,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:31,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:31,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:31,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:31,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:32,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:32,193 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2020-12-22 06:54:32,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:32 BoogieIcfgContainer [2020-12-22 06:54:32,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:32,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:32,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:32,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:32,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:30" (1/3) ... [2020-12-22 06:54:32,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b33067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:32, skipping insertion in model container [2020-12-22 06:54:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:30" (2/3) ... [2020-12-22 06:54:32,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b33067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:32, skipping insertion in model container [2020-12-22 06:54:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:32" (3/3) ... [2020-12-22 06:54:32,205 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2020-12-22 06:54:32,212 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:32,218 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:32,245 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:32,291 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:32,291 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:32,291 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:32,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:32,293 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:32,293 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:32,294 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:32,294 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-12-22 06:54:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:32,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:32,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:32,322 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:32,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:32,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2020-12-22 06:54:32,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:32,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5204912] [2020-12-22 06:54:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:32,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5204912] [2020-12-22 06:54:32,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:32,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:32,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896964805] [2020-12-22 06:54:32,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:32,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:32,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:32,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:32,708 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2020-12-22 06:54:32,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:32,739 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2020-12-22 06:54:32,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:32,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:32,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:32,771 INFO L225 Difference]: With dead ends: 155 [2020-12-22 06:54:32,771 INFO L226 Difference]: Without dead ends: 77 [2020-12-22 06:54:32,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:32,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-12-22 06:54:32,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-12-22 06:54:32,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:54:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-12-22 06:54:32,849 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-12-22 06:54:32,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:32,850 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-12-22 06:54:32,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-12-22 06:54:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:32,852 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:32,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:32,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:32,854 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:32,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:32,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2020-12-22 06:54:32,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:32,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588245791] [2020-12-22 06:54:32,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:33,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588245791] [2020-12-22 06:54:33,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:33,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:33,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601421711] [2020-12-22 06:54:33,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:33,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:33,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:33,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:33,059 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-12-22 06:54:33,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:33,070 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-12-22 06:54:33,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:33,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:33,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:33,072 INFO L225 Difference]: With dead ends: 77 [2020-12-22 06:54:33,073 INFO L226 Difference]: Without dead ends: 37 [2020-12-22 06:54:33,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:33,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-22 06:54:33,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-12-22 06:54:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-22 06:54:33,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-12-22 06:54:33,080 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-12-22 06:54:33,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:33,080 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-12-22 06:54:33,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-12-22 06:54:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:33,082 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:33,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:33,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:33,082 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:33,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:33,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2020-12-22 06:54:33,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:33,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96222122] [2020-12-22 06:54:33,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:33,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96222122] [2020-12-22 06:54:33,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:33,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:33,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579608690] [2020-12-22 06:54:33,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:33,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:33,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:33,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:33,163 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2020-12-22 06:54:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:33,182 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2020-12-22 06:54:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:33,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:54:33,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:33,184 INFO L225 Difference]: With dead ends: 97 [2020-12-22 06:54:33,184 INFO L226 Difference]: Without dead ends: 67 [2020-12-22 06:54:33,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:33,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-12-22 06:54:33,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-12-22 06:54:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-22 06:54:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2020-12-22 06:54:33,197 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2020-12-22 06:54:33,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:33,198 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2020-12-22 06:54:33,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-12-22 06:54:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:54:33,199 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:33,200 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:33,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:33,200 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:33,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:33,201 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2020-12-22 06:54:33,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:33,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118839978] [2020-12-22 06:54:33,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:33,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118839978] [2020-12-22 06:54:33,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:33,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:33,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343590133] [2020-12-22 06:54:33,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:33,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:33,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:33,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:33,351 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2020-12-22 06:54:33,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:33,467 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-12-22 06:54:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:33,469 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:54:33,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:33,477 INFO L225 Difference]: With dead ends: 303 [2020-12-22 06:54:33,478 INFO L226 Difference]: Without dead ends: 247 [2020-12-22 06:54:33,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:33,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-12-22 06:54:33,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2020-12-22 06:54:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-22 06:54:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-12-22 06:54:33,520 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2020-12-22 06:54:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:33,520 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-12-22 06:54:33,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-12-22 06:54:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:33,522 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:33,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:33,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:33,522 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:33,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:33,524 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2020-12-22 06:54:33,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:33,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696491771] [2020-12-22 06:54:33,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:33,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696491771] [2020-12-22 06:54:33,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:33,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:33,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224920089] [2020-12-22 06:54:33,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:33,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:33,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:33,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:33,641 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2020-12-22 06:54:33,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:33,709 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2020-12-22 06:54:33,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:33,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:54:33,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:33,710 INFO L225 Difference]: With dead ends: 307 [2020-12-22 06:54:33,710 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:33,712 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 06:54:33,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:33,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-22 06:54:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:33,713 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:33,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:33,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:33,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:33,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:33,995 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2020-12-22 06:54:33,995 INFO L189 CegarLoopUtils]: For program point L432(lines 432 442) no Hoare annotation was computed. [2020-12-22 06:54:33,995 INFO L189 CegarLoopUtils]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2020-12-22 06:54:33,995 INFO L189 CegarLoopUtils]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2020-12-22 06:54:33,996 INFO L185 CegarLoopUtils]: At program point L746(lines 741 749) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:33,996 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:33,996 INFO L189 CegarLoopUtils]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-12-22 06:54:33,996 INFO L189 CegarLoopUtils]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2020-12-22 06:54:33,997 INFO L189 CegarLoopUtils]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2020-12-22 06:54:33,998 INFO L185 CegarLoopUtils]: At program point L499(lines 494 502) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:33,998 INFO L185 CegarLoopUtils]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-12-22 06:54:33,998 INFO L189 CegarLoopUtils]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-12-22 06:54:33,999 INFO L185 CegarLoopUtils]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-12-22 06:54:33,999 INFO L189 CegarLoopUtils]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-12-22 06:54:33,999 INFO L189 CegarLoopUtils]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2020-12-22 06:54:34,000 INFO L189 CegarLoopUtils]: For program point L912-2(lines 912 916) no Hoare annotation was computed. [2020-12-22 06:54:34,000 INFO L189 CegarLoopUtils]: For program point L912-3(lines 912 916) no Hoare annotation was computed. [2020-12-22 06:54:34,000 INFO L189 CegarLoopUtils]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2020-12-22 06:54:34,000 INFO L189 CegarLoopUtils]: For program point L912-5(lines 912 916) no Hoare annotation was computed. [2020-12-22 06:54:34,001 INFO L189 CegarLoopUtils]: For program point L912-6(lines 912 916) no Hoare annotation was computed. [2020-12-22 06:54:34,001 INFO L189 CegarLoopUtils]: For program point L912-8(lines 912 916) no Hoare annotation was computed. [2020-12-22 06:54:34,004 INFO L185 CegarLoopUtils]: At program point L417(lines 412 419) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:34,004 INFO L185 CegarLoopUtils]: At program point L863(lines 858 866) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:34,004 INFO L185 CegarLoopUtils]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2020-12-22 06:54:34,005 INFO L185 CegarLoopUtils]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2020-12-22 06:54:34,005 INFO L189 CegarLoopUtils]: For program point L634(lines 634 641) no Hoare annotation was computed. [2020-12-22 06:54:34,005 INFO L192 CegarLoopUtils]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2020-12-22 06:54:34,006 INFO L189 CegarLoopUtils]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-12-22 06:54:34,006 INFO L185 CegarLoopUtils]: At program point L767(lines 767 773) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:34,006 INFO L185 CegarLoopUtils]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2020-12-22 06:54:34,006 INFO L185 CegarLoopUtils]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2020-12-22 06:54:34,007 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:34,007 INFO L189 CegarLoopUtils]: For program point L669(lines 669 675) no Hoare annotation was computed. [2020-12-22 06:54:34,007 INFO L185 CegarLoopUtils]: At program point L669-1(lines 669 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:34,007 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2020-12-22 06:54:34,007 INFO L185 CegarLoopUtils]: At program point L918(lines 903 921) the Hoare annotation is: false [2020-12-22 06:54:34,008 INFO L185 CegarLoopUtils]: At program point L918-1(lines 903 921) the Hoare annotation is: false [2020-12-22 06:54:34,008 INFO L185 CegarLoopUtils]: At program point L918-2(lines 903 921) the Hoare annotation is: false [2020-12-22 06:54:34,008 INFO L185 CegarLoopUtils]: At program point L738(lines 1 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:34,008 INFO L185 CegarLoopUtils]: At program point L606(lines 602 608) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:34,009 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:34,010 INFO L185 CegarLoopUtils]: At program point L540(lines 535 543) the Hoare annotation is: false [2020-12-22 06:54:34,014 INFO L185 CegarLoopUtils]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2020-12-22 06:54:34,014 INFO L189 CegarLoopUtils]: For program point L474(lines 474 478) no Hoare annotation was computed. [2020-12-22 06:54:34,014 INFO L185 CegarLoopUtils]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2020-12-22 06:54:34,014 INFO L189 CegarLoopUtils]: For program point L689(lines 689 702) no Hoare annotation was computed. [2020-12-22 06:54:34,020 INFO L185 CegarLoopUtils]: At program point L557-2(lines 557 571) the Hoare annotation is: false [2020-12-22 06:54:34,020 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-22 06:54:34,021 INFO L185 CegarLoopUtils]: At program point L707(lines 658 708) the Hoare annotation is: false [2020-12-22 06:54:34,021 INFO L189 CegarLoopUtils]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-12-22 06:54:34,021 INFO L185 CegarLoopUtils]: At program point L428-1(lines 1 945) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:34,021 INFO L189 CegarLoopUtils]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2020-12-22 06:54:34,021 INFO L185 CegarLoopUtils]: At program point L428-3(lines 1 945) the Hoare annotation is: false [2020-12-22 06:54:34,021 INFO L189 CegarLoopUtils]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2020-12-22 06:54:34,022 INFO L185 CegarLoopUtils]: At program point L428-5(lines 1 945) the Hoare annotation is: false [2020-12-22 06:54:34,022 INFO L192 CegarLoopUtils]: At program point L643(lines 624 646) the Hoare annotation is: true [2020-12-22 06:54:34,022 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:34,022 INFO L189 CegarLoopUtils]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-12-22 06:54:34,023 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2020-12-22 06:54:34,023 INFO L189 CegarLoopUtils]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2020-12-22 06:54:34,024 INFO L189 CegarLoopUtils]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2020-12-22 06:54:34,024 INFO L189 CegarLoopUtils]: For program point L660(lines 659 706) no Hoare annotation was computed. [2020-12-22 06:54:34,024 INFO L189 CegarLoopUtils]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-12-22 06:54:34,024 INFO L189 CegarLoopUtils]: For program point L561-1(lines 760 766) no Hoare annotation was computed. [2020-12-22 06:54:34,024 INFO L189 CegarLoopUtils]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-12-22 06:54:34,025 INFO L189 CegarLoopUtils]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2020-12-22 06:54:34,026 INFO L189 CegarLoopUtils]: For program point L462-6(lines 462 466) no Hoare annotation was computed. [2020-12-22 06:54:34,026 INFO L185 CegarLoopUtils]: At program point L760(lines 759 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:34,027 INFO L189 CegarLoopUtils]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2020-12-22 06:54:34,027 INFO L185 CegarLoopUtils]: At program point L760-2(lines 759 778) the Hoare annotation is: false [2020-12-22 06:54:34,027 INFO L189 CegarLoopUtils]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-12-22 06:54:34,027 INFO L185 CegarLoopUtils]: At program point L760-3(lines 759 778) the Hoare annotation is: false [2020-12-22 06:54:34,028 INFO L189 CegarLoopUtils]: For program point L942(line 942) no Hoare annotation was computed. [2020-12-22 06:54:34,028 INFO L189 CegarLoopUtils]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-12-22 06:54:34,028 INFO L189 CegarLoopUtils]: For program point L942-2(line 942) no Hoare annotation was computed. [2020-12-22 06:54:34,028 INFO L189 CegarLoopUtils]: For program point L926(lines 926 932) no Hoare annotation was computed. [2020-12-22 06:54:34,029 INFO L185 CegarLoopUtils]: At program point L926-1(lines 926 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:34,029 INFO L189 CegarLoopUtils]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-12-22 06:54:34,029 INFO L185 CegarLoopUtils]: At program point L695-1(lines 760 766) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:34,029 INFO L189 CegarLoopUtils]: For program point L679(lines 679 685) no Hoare annotation was computed. [2020-12-22 06:54:34,029 INFO L185 CegarLoopUtils]: At program point L679-1(lines 679 685) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:34,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:34 BoogieIcfgContainer [2020-12-22 06:54:34,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:34,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:34,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:34,060 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:34,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:32" (3/4) ... [2020-12-22 06:54:34,064 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:34,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:34,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:34,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:34,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:34,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:34,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:34,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:34,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:34,203 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product27.cil.c-witness.graphml [2020-12-22 06:54:34,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:34,206 INFO L168 Benchmark]: Toolchain (without parser) took 3955.98 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 124.9 MB in the beginning and 149.1 MB in the end (delta: -24.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:34,207 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:34,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.50 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:34,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.17 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 100.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:34,208 INFO L168 Benchmark]: Boogie Preprocessor took 102.75 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 132.0 MB in the end (delta: -31.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:34,209 INFO L168 Benchmark]: RCFGBuilder took 1060.43 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 78.0 MB in the end (delta: 54.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:34,209 INFO L168 Benchmark]: TraceAbstraction took 1861.26 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 78.0 MB in the beginning and 155.9 MB in the end (delta: -77.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:34,210 INFO L168 Benchmark]: Witness Printer took 144.37 ms. Allocated memory is still 191.9 MB. Free memory was 155.9 MB in the beginning and 149.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:34,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 632.50 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 138.17 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 100.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 102.75 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 132.0 MB in the end (delta: -31.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1060.43 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 78.0 MB in the end (delta: 54.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1861.26 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 78.0 MB in the beginning and 155.9 MB in the end (delta: -77.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 8.0 GB. * Witness Printer took 144.37 ms. Allocated memory is still 191.9 MB. Free memory was 155.9 MB in the beginning and 149.1 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: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: 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: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: 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: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...