/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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:15,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:15,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:15,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:15,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:15,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:15,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:15,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:15,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:15,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:15,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:15,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:15,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:15,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:15,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:15,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:15,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:15,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:15,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:15,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:15,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:15,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:15,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:15,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:15,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 06:54:15,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 06:54:15,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 06:54:15,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 06:54:15,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 06:54:15,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 06:54:15,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:15,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:15,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:15,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:15,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:15,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:15,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:15,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:15,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:15,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:15,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:15,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:15,234 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:15,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:15,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:15,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:15,239 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:15,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:15,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:15,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:15,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:15,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:15,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:15,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:15,241 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:15,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:15,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:15,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:15,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:15,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:15,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:15,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:15,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:15,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:15,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:15,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:15,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:15,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:15,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:15,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:15,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:15,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:15,674 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:15,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-12-22 06:54:15,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6fd5b389/e24ccfca8bd448b893d7dff0b807ffcd/FLAG639aca602 [2020-12-22 06:54:16,419 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:16,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-12-22 06:54:16,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6fd5b389/e24ccfca8bd448b893d7dff0b807ffcd/FLAG639aca602 [2020-12-22 06:54:16,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6fd5b389/e24ccfca8bd448b893d7dff0b807ffcd [2020-12-22 06:54:16,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:16,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:16,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:16,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:16,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:16,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:16" (1/1) ... [2020-12-22 06:54:16,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29adee0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:16, skipping insertion in model container [2020-12-22 06:54:16,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:16" (1/1) ... [2020-12-22 06:54:16,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:16,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:17,100 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_product08.cil.c[13495,13508] [2020-12-22 06:54:17,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:17,141 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:17,211 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_product08.cil.c[13495,13508] [2020-12-22 06:54:17,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:17,263 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:17,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17 WrapperNode [2020-12-22 06:54:17,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:17,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:17,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:17,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:17,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:17,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:17,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:17,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:17,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (1/1) ... [2020-12-22 06:54:17,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:17,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:17,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:17,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:17,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (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 06:54:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:17,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:18,772 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:18,773 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2020-12-22 06:54:18,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:18 BoogieIcfgContainer [2020-12-22 06:54:18,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:18,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:18,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:18,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:18,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:16" (1/3) ... [2020-12-22 06:54:18,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f30abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:18, skipping insertion in model container [2020-12-22 06:54:18,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:17" (2/3) ... [2020-12-22 06:54:18,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f30abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:18, skipping insertion in model container [2020-12-22 06:54:18,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:18" (3/3) ... [2020-12-22 06:54:18,785 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-12-22 06:54:18,792 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:18,798 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:18,818 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:18,848 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:18,848 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:18,848 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:18,848 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:18,849 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:18,849 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:18,849 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:18,849 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-12-22 06:54:18,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:18,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:18,879 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 06:54:18,880 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:18,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:18,885 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2020-12-22 06:54:18,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:18,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228315865] [2020-12-22 06:54:18,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:19,177 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 06:54:19,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228315865] [2020-12-22 06:54:19,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:19,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:19,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764374113] [2020-12-22 06:54:19,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:19,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:19,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:19,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:19,214 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-12-22 06:54:19,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:19,270 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2020-12-22 06:54:19,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:19,271 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:19,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:19,297 INFO L225 Difference]: With dead ends: 143 [2020-12-22 06:54:19,298 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:54:19,302 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 06:54:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:54:19,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:54:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:54:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-12-22 06:54:19,354 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-12-22 06:54:19,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:19,355 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-12-22 06:54:19,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-12-22 06:54:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:19,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:19,357 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 06:54:19,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:19,357 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:19,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:19,358 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2020-12-22 06:54:19,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:19,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789699035] [2020-12-22 06:54:19,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:19,509 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 06:54:19,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789699035] [2020-12-22 06:54:19,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:19,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:19,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977444019] [2020-12-22 06:54:19,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:19,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:19,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:19,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:19,515 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-12-22 06:54:19,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:19,538 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-12-22 06:54:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:19,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:19,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:19,542 INFO L225 Difference]: With dead ends: 71 [2020-12-22 06:54:19,542 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:54:19,544 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 06:54:19,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:54:19,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:54:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:54:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-12-22 06:54:19,556 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-12-22 06:54:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:19,556 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-12-22 06:54:19,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-22 06:54:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:19,560 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:19,560 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 06:54:19,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:19,561 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:19,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:19,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2020-12-22 06:54:19,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:19,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287391025] [2020-12-22 06:54:19,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:19,723 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 06:54:19,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287391025] [2020-12-22 06:54:19,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:19,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:19,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163582086] [2020-12-22 06:54:19,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:19,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:19,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:19,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:19,727 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-12-22 06:54:19,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:19,762 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-12-22 06:54:19,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:19,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:54:19,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:19,764 INFO L225 Difference]: With dead ends: 91 [2020-12-22 06:54:19,764 INFO L226 Difference]: Without dead ends: 63 [2020-12-22 06:54:19,765 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 06:54:19,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-12-22 06:54:19,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2020-12-22 06:54:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-22 06:54:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2020-12-22 06:54:19,775 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2020-12-22 06:54:19,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:19,776 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2020-12-22 06:54:19,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-12-22 06:54:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:54:19,780 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:19,780 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 06:54:19,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:19,781 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:19,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:19,781 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2020-12-22 06:54:19,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:19,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785410918] [2020-12-22 06:54:19,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:19,876 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 06:54:19,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785410918] [2020-12-22 06:54:19,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:19,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:19,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447082931] [2020-12-22 06:54:19,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:19,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:19,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:19,880 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2020-12-22 06:54:20,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:20,018 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2020-12-22 06:54:20,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:20,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:54:20,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:20,022 INFO L225 Difference]: With dead ends: 265 [2020-12-22 06:54:20,022 INFO L226 Difference]: Without dead ends: 213 [2020-12-22 06:54:20,023 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 06:54:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-12-22 06:54:20,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2020-12-22 06:54:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-12-22 06:54:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2020-12-22 06:54:20,048 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2020-12-22 06:54:20,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:20,048 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2020-12-22 06:54:20,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2020-12-22 06:54:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:20,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:20,050 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 06:54:20,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:20,050 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:20,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:20,052 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2020-12-22 06:54:20,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:20,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126016071] [2020-12-22 06:54:20,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:20,157 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 06:54:20,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126016071] [2020-12-22 06:54:20,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:20,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:20,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302050962] [2020-12-22 06:54:20,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:20,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:20,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:20,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:20,162 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2020-12-22 06:54:20,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:20,248 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2020-12-22 06:54:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:20,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:54:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:20,251 INFO L225 Difference]: With dead ends: 299 [2020-12-22 06:54:20,251 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:20,257 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 06:54:20,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:20,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:20,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-22 06:54:20,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:20,259 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:20,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:20,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:20,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:20,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:20,534 INFO L185 CegarLoopUtils]: At program point L762(lines 761 780) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,534 INFO L189 CegarLoopUtils]: For program point L762-1(lines 762 768) no Hoare annotation was computed. [2020-12-22 06:54:20,535 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2020-12-22 06:54:20,535 INFO L189 CegarLoopUtils]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-12-22 06:54:20,535 INFO L185 CegarLoopUtils]: At program point L762-2(lines 761 780) the Hoare annotation is: false [2020-12-22 06:54:20,535 INFO L185 CegarLoopUtils]: At program point L762-3(lines 761 780) the Hoare annotation is: false [2020-12-22 06:54:20,535 INFO L189 CegarLoopUtils]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-12-22 06:54:20,536 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:20,536 INFO L189 CegarLoopUtils]: For program point L664(lines 664 674) no Hoare annotation was computed. [2020-12-22 06:54:20,536 INFO L189 CegarLoopUtils]: For program point L664-2(lines 664 674) no Hoare annotation was computed. [2020-12-22 06:54:20,536 INFO L189 CegarLoopUtils]: For program point L664-4(lines 664 674) no Hoare annotation was computed. [2020-12-22 06:54:20,536 INFO L189 CegarLoopUtils]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-12-22 06:54:20,537 INFO L185 CegarLoopUtils]: At program point L714-1(lines 714 720) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,537 INFO L189 CegarLoopUtils]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-12-22 06:54:20,537 INFO L189 CegarLoopUtils]: For program point L665-2(lines 665 671) no Hoare annotation was computed. [2020-12-22 06:54:20,537 INFO L189 CegarLoopUtils]: For program point L665-4(lines 665 671) no Hoare annotation was computed. [2020-12-22 06:54:20,537 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:54:20,537 INFO L185 CegarLoopUtils]: At program point L847(lines 842 850) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,538 INFO L185 CegarLoopUtils]: At program point L847-1(lines 842 850) the Hoare annotation is: false [2020-12-22 06:54:20,538 INFO L185 CegarLoopUtils]: At program point L847-2(lines 842 850) the Hoare annotation is: false [2020-12-22 06:54:20,538 INFO L185 CegarLoopUtils]: At program point L649(lines 644 651) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:20,538 INFO L189 CegarLoopUtils]: For program point L798(lines 798 806) no Hoare annotation was computed. [2020-12-22 06:54:20,538 INFO L189 CegarLoopUtils]: For program point L798-1(lines 798 806) no Hoare annotation was computed. [2020-12-22 06:54:20,539 INFO L189 CegarLoopUtils]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-12-22 06:54:20,539 INFO L189 CegarLoopUtils]: For program point L798-2(lines 798 806) no Hoare annotation was computed. [2020-12-22 06:54:20,539 INFO L185 CegarLoopUtils]: At program point L732-1(lines 762 768) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,539 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:54:20,539 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:20,540 INFO L189 CegarLoopUtils]: For program point L602(line 602) no Hoare annotation was computed. [2020-12-22 06:54:20,540 INFO L189 CegarLoopUtils]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-12-22 06:54:20,540 INFO L189 CegarLoopUtils]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-12-22 06:54:20,540 INFO L189 CegarLoopUtils]: For program point L602-2(line 602) no Hoare annotation was computed. [2020-12-22 06:54:20,540 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:20,540 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:54:20,541 INFO L189 CegarLoopUtils]: For program point L58-1(lines 762 768) no Hoare annotation was computed. [2020-12-22 06:54:20,541 INFO L185 CegarLoopUtils]: At program point L769(lines 769 775) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,541 INFO L185 CegarLoopUtils]: At program point L769-1(lines 769 775) the Hoare annotation is: false [2020-12-22 06:54:20,541 INFO L185 CegarLoopUtils]: At program point L769-2(lines 769 775) the Hoare annotation is: false [2020-12-22 06:54:20,541 INFO L185 CegarLoopUtils]: At program point L637(lines 632 640) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:20,542 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2020-12-22 06:54:20,542 INFO L189 CegarLoopUtils]: For program point L704(lines 704 710) no Hoare annotation was computed. [2020-12-22 06:54:20,542 INFO L185 CegarLoopUtils]: At program point L704-1(lines 704 710) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,542 INFO L192 CegarLoopUtils]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-12-22 06:54:20,542 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:20,543 INFO L189 CegarLoopUtils]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-12-22 06:54:20,543 INFO L189 CegarLoopUtils]: For program point L524-3(lines 524 528) no Hoare annotation was computed. [2020-12-22 06:54:20,543 INFO L185 CegarLoopUtils]: At program point L838(lines 831 841) the Hoare annotation is: false [2020-12-22 06:54:20,543 INFO L189 CegarLoopUtils]: For program point L524-6(lines 524 528) no Hoare annotation was computed. [2020-12-22 06:54:20,543 INFO L185 CegarLoopUtils]: At program point L838-1(lines 831 841) the Hoare annotation is: false [2020-12-22 06:54:20,544 INFO L185 CegarLoopUtils]: At program point L838-2(lines 831 841) the Hoare annotation is: false [2020-12-22 06:54:20,544 INFO L189 CegarLoopUtils]: For program point L724(lines 724 739) no Hoare annotation was computed. [2020-12-22 06:54:20,544 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:20,544 INFO L189 CegarLoopUtils]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-12-22 06:54:20,544 INFO L185 CegarLoopUtils]: At program point L891-1(lines 891 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,545 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2020-12-22 06:54:20,545 INFO L189 CegarLoopUtils]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-12-22 06:54:20,545 INFO L185 CegarLoopUtils]: At program point L660-1(lines 1 909) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,545 INFO L189 CegarLoopUtils]: For program point L660-2(lines 660 677) no Hoare annotation was computed. [2020-12-22 06:54:20,545 INFO L185 CegarLoopUtils]: At program point L561(lines 556 564) the Hoare annotation is: false [2020-12-22 06:54:20,545 INFO L185 CegarLoopUtils]: At program point L660-3(lines 1 909) the Hoare annotation is: false [2020-12-22 06:54:20,546 INFO L185 CegarLoopUtils]: At program point L561-1(lines 556 564) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:20,546 INFO L189 CegarLoopUtils]: For program point L660-4(lines 660 677) no Hoare annotation was computed. [2020-12-22 06:54:20,546 INFO L185 CegarLoopUtils]: At program point L561-2(lines 556 564) the Hoare annotation is: false [2020-12-22 06:54:20,546 INFO L185 CegarLoopUtils]: At program point L660-5(lines 1 909) the Hoare annotation is: false [2020-12-22 06:54:20,546 INFO L185 CegarLoopUtils]: At program point L561-3(lines 556 564) the Hoare annotation is: false [2020-12-22 06:54:20,546 INFO L185 CegarLoopUtils]: At program point L561-4(lines 556 564) the Hoare annotation is: false [2020-12-22 06:54:20,547 INFO L185 CegarLoopUtils]: At program point L561-5(lines 556 564) the Hoare annotation is: false [2020-12-22 06:54:20,547 INFO L185 CegarLoopUtils]: At program point L744(lines 693 745) the Hoare annotation is: false [2020-12-22 06:54:20,547 INFO L189 CegarLoopUtils]: For program point L794(lines 794 811) no Hoare annotation was computed. [2020-12-22 06:54:20,547 INFO L189 CegarLoopUtils]: For program point L794-1(lines 794 811) no Hoare annotation was computed. [2020-12-22 06:54:20,547 INFO L189 CegarLoopUtils]: For program point L794-2(lines 794 811) no Hoare annotation was computed. [2020-12-22 06:54:20,548 INFO L189 CegarLoopUtils]: For program point L695(lines 694 743) no Hoare annotation was computed. [2020-12-22 06:54:20,548 INFO L185 CegarLoopUtils]: At program point L629(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:20,548 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-12-22 06:54:20,548 INFO L192 CegarLoopUtils]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-12-22 06:54:20,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:20 BoogieIcfgContainer [2020-12-22 06:54:20,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:20,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:20,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:20,571 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:20,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:18" (3/4) ... [2020-12-22 06:54:20,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:20,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:20,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:20,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:20,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:20,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:20,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:20,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:20,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:20,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product08.cil.c-witness.graphml [2020-12-22 06:54:20,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:20,713 INFO L168 Benchmark]: Toolchain (without parser) took 3970.63 ms. Allocated memory was 157.3 MB in the beginning and 195.0 MB in the end (delta: 37.7 MB). Free memory was 132.2 MB in the beginning and 162.8 MB in the end (delta: -30.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:20,714 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 157.3 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:20,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.11 ms. Allocated memory is still 157.3 MB. Free memory was 131.9 MB in the beginning and 111.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:20,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.30 ms. Allocated memory is still 157.3 MB. Free memory was 111.6 MB in the beginning and 108.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:20,715 INFO L168 Benchmark]: Boogie Preprocessor took 57.09 ms. Allocated memory is still 157.3 MB. Free memory was 108.6 MB in the beginning and 139.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:20,716 INFO L168 Benchmark]: RCFGBuilder took 1381.00 ms. Allocated memory is still 157.3 MB. Free memory was 139.9 MB in the beginning and 87.1 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:20,716 INFO L168 Benchmark]: TraceAbstraction took 1792.74 ms. Allocated memory was 157.3 MB in the beginning and 195.0 MB in the end (delta: 37.7 MB). Free memory was 86.6 MB in the beginning and 169.6 MB in the end (delta: -83.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:20,717 INFO L168 Benchmark]: Witness Printer took 140.50 ms. Allocated memory is still 195.0 MB. Free memory was 169.6 MB in the beginning and 162.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:20,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 157.3 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 518.11 ms. Allocated memory is still 157.3 MB. Free memory was 131.9 MB in the beginning and 111.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 70.30 ms. Allocated memory is still 157.3 MB. Free memory was 111.6 MB in the beginning and 108.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.09 ms. Allocated memory is still 157.3 MB. Free memory was 108.6 MB in the beginning and 139.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1381.00 ms. Allocated memory is still 157.3 MB. Free memory was 139.9 MB in the beginning and 87.1 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1792.74 ms. Allocated memory was 157.3 MB in the beginning and 195.0 MB in the end (delta: 37.7 MB). Free memory was 86.6 MB in the beginning and 169.6 MB in the end (delta: -83.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. * Witness Printer took 140.50 ms. Allocated memory is still 195.0 MB. Free memory was 169.6 MB in the beginning and 162.8 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: 602]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 602]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 602]: 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: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 306 SDslu, 327 SDs, 0 SdLazy, 65 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...