/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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:16,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:16,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:16,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:16,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:16,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:16,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:16,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:16,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:16,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:16,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:16,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:16,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:16,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:16,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:16,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:16,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:16,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:16,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:16,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:16,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:16,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:16,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:16,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:16,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:16,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:16,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:16,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:16,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:16,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:16,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:16,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:16,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:16,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:16,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:16,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:16,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:16,895 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:16,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:16,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:16,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:16,901 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:16,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:16,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:16,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:16,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:16,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:16,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:16,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:16,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:16,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:16,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:16,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:16,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:16,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:16,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:16,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:16,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:16,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:16,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:16,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:16,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:16,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:17,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:17,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:17,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:17,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:17,414 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:17,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2020-12-22 06:54:17,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b771a27/d58619ba4b4c42018e88edd385fd7038/FLAGd8421519b [2020-12-22 06:54:18,280 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:18,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2020-12-22 06:54:18,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b771a27/d58619ba4b4c42018e88edd385fd7038/FLAGd8421519b [2020-12-22 06:54:18,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b771a27/d58619ba4b4c42018e88edd385fd7038 [2020-12-22 06:54:18,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:18,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:18,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:18,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:18,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:18,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:18" (1/1) ... [2020-12-22 06:54:18,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f589c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:18, skipping insertion in model container [2020-12-22 06:54:18,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:18" (1/1) ... [2020-12-22 06:54:18,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:18,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:18,867 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_product09.cil.c[1281,1294] [2020-12-22 06:54:19,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:19,038 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:19,055 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_product09.cil.c[1281,1294] [2020-12-22 06:54:19,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:19,209 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:19,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19 WrapperNode [2020-12-22 06:54:19,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:19,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:19,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:19,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:19,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:19,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:19,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:19,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:19,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:19,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:19,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:19,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:19,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (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 06:54:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:20,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:20,393 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2020-12-22 06:54:20,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:20 BoogieIcfgContainer [2020-12-22 06:54:20,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:20,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:20,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:20,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:20,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:18" (1/3) ... [2020-12-22 06:54:20,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea217d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:20, skipping insertion in model container [2020-12-22 06:54:20,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19" (2/3) ... [2020-12-22 06:54:20,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea217d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:20, skipping insertion in model container [2020-12-22 06:54:20,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:20" (3/3) ... [2020-12-22 06:54:20,406 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-12-22 06:54:20,414 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:20,420 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:20,442 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:20,474 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:20,474 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:20,474 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:20,474 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:20,475 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:20,475 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:20,475 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:20,475 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-12-22 06:54:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:20,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:20,504 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 06:54:20,504 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:20,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:20,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1461582393, now seen corresponding path program 1 times [2020-12-22 06:54:20,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:20,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534176293] [2020-12-22 06:54:20,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:20,839 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 06:54:20,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534176293] [2020-12-22 06:54:20,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:20,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:20,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686347674] [2020-12-22 06:54:20,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:20,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:20,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:20,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:20,867 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-12-22 06:54:20,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:20,895 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2020-12-22 06:54:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:20,897 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:20,909 INFO L225 Difference]: With dead ends: 115 [2020-12-22 06:54:20,909 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:54:20,913 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 06:54:20,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:54:20,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:54:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:54:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-12-22 06:54:20,962 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-12-22 06:54:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:20,963 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-12-22 06:54:20,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-12-22 06:54:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:20,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:20,965 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 06:54:20,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:20,965 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:20,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:20,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1680418362, now seen corresponding path program 1 times [2020-12-22 06:54:20,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:20,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273143100] [2020-12-22 06:54:20,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:21,166 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 06:54:21,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273143100] [2020-12-22 06:54:21,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:21,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:21,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066727126] [2020-12-22 06:54:21,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:21,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:21,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:21,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:21,171 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2020-12-22 06:54:21,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:21,186 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-12-22 06:54:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:21,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:21,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:21,188 INFO L225 Difference]: With dead ends: 57 [2020-12-22 06:54:21,189 INFO L226 Difference]: Without dead ends: 29 [2020-12-22 06:54:21,190 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 06:54:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-22 06:54:21,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-22 06:54:21,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-22 06:54:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-12-22 06:54:21,196 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-12-22 06:54:21,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:21,197 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-12-22 06:54:21,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-22 06:54:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:21,198 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:21,199 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 06:54:21,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:21,199 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:21,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:21,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1355159705, now seen corresponding path program 1 times [2020-12-22 06:54:21,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:21,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666191771] [2020-12-22 06:54:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:21,418 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 06:54:21,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666191771] [2020-12-22 06:54:21,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:21,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:21,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890183295] [2020-12-22 06:54:21,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:21,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:21,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:21,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:21,425 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-12-22 06:54:21,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:21,569 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-12-22 06:54:21,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:21,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:54:21,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:21,572 INFO L225 Difference]: With dead ends: 112 [2020-12-22 06:54:21,572 INFO L226 Difference]: Without dead ends: 90 [2020-12-22 06:54:21,573 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 06:54:21,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-12-22 06:54:21,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2020-12-22 06:54:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-22 06:54:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-12-22 06:54:21,585 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2020-12-22 06:54:21,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:21,586 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-12-22 06:54:21,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-12-22 06:54:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:54:21,587 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:21,587 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 06:54:21,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:21,588 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:21,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:21,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1689469663, now seen corresponding path program 1 times [2020-12-22 06:54:21,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:21,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593827994] [2020-12-22 06:54:21,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:21,666 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 06:54:21,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593827994] [2020-12-22 06:54:21,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:21,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:21,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718645473] [2020-12-22 06:54:21,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:21,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:21,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:21,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:21,670 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2020-12-22 06:54:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:21,724 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2020-12-22 06:54:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:21,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:54:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:21,725 INFO L225 Difference]: With dead ends: 132 [2020-12-22 06:54:21,726 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:21,727 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 06:54:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:21,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:21,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:54:21,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:21,728 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:21,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:21,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:21,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:21,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:21,864 INFO L185 CegarLoopUtils]: At program point L861(lines 1 872) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:21,864 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:21,864 INFO L189 CegarLoopUtils]: For program point L432(lines 431 476) no Hoare annotation was computed. [2020-12-22 06:54:21,864 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:21,864 INFO L189 CegarLoopUtils]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-12-22 06:54:21,865 INFO L189 CegarLoopUtils]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-12-22 06:54:21,865 INFO L189 CegarLoopUtils]: For program point L467-2(lines 501 507) no Hoare annotation was computed. [2020-12-22 06:54:21,865 INFO L189 CegarLoopUtils]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-12-22 06:54:21,865 INFO L185 CegarLoopUtils]: At program point L451-1(lines 451 457) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:21,865 INFO L189 CegarLoopUtils]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-12-22 06:54:21,865 INFO L189 CegarLoopUtils]: For program point L765-3(lines 765 769) no Hoare annotation was computed. [2020-12-22 06:54:21,866 INFO L189 CegarLoopUtils]: For program point L765-6(lines 765 769) no Hoare annotation was computed. [2020-12-22 06:54:21,866 INFO L185 CegarLoopUtils]: At program point L501(lines 500 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:21,866 INFO L189 CegarLoopUtils]: For program point L501-1(lines 501 507) no Hoare annotation was computed. [2020-12-22 06:54:21,866 INFO L185 CegarLoopUtils]: At program point L501-2(lines 500 519) the Hoare annotation is: false [2020-12-22 06:54:21,866 INFO L185 CegarLoopUtils]: At program point L501-3(lines 500 519) the Hoare annotation is: false [2020-12-22 06:54:21,866 INFO L185 CegarLoopUtils]: At program point L717(lines 713 719) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:21,867 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:21,867 INFO L189 CegarLoopUtils]: For program point L636(lines 636 653) no Hoare annotation was computed. [2020-12-22 06:54:21,867 INFO L185 CegarLoopUtils]: At program point L636-1(lines 1 872) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:21,867 INFO L185 CegarLoopUtils]: At program point L669-2(lines 669 683) the Hoare annotation is: false [2020-12-22 06:54:21,867 INFO L189 CegarLoopUtils]: For program point L636-2(lines 636 653) no Hoare annotation was computed. [2020-12-22 06:54:21,867 INFO L185 CegarLoopUtils]: At program point L636-3(lines 1 872) the Hoare annotation is: false [2020-12-22 06:54:21,868 INFO L189 CegarLoopUtils]: For program point L636-4(lines 636 653) no Hoare annotation was computed. [2020-12-22 06:54:21,868 INFO L185 CegarLoopUtils]: At program point L636-5(lines 1 872) the Hoare annotation is: false [2020-12-22 06:54:21,868 INFO L185 CegarLoopUtils]: At program point L802(lines 797 805) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:21,868 INFO L185 CegarLoopUtils]: At program point L802-1(lines 797 805) the Hoare annotation is: false [2020-12-22 06:54:21,868 INFO L185 CegarLoopUtils]: At program point L802-2(lines 797 805) the Hoare annotation is: false [2020-12-22 06:54:21,868 INFO L189 CegarLoopUtils]: For program point L670(line 670) no Hoare annotation was computed. [2020-12-22 06:54:21,869 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:21,869 INFO L192 CegarLoopUtils]: At program point L753(lines 734 756) the Hoare annotation is: true [2020-12-22 06:54:21,869 INFO L185 CegarLoopUtils]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:21,869 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:21,869 INFO L189 CegarLoopUtils]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-12-22 06:54:21,870 INFO L185 CegarLoopUtils]: At program point L441-1(lines 441 447) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:21,870 INFO L189 CegarLoopUtils]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-12-22 06:54:21,870 INFO L189 CegarLoopUtils]: For program point L640(lines 640 650) no Hoare annotation was computed. [2020-12-22 06:54:21,870 INFO L189 CegarLoopUtils]: For program point L673-1(lines 501 507) no Hoare annotation was computed. [2020-12-22 06:54:21,870 INFO L189 CegarLoopUtils]: For program point L640-2(lines 640 650) no Hoare annotation was computed. [2020-12-22 06:54:21,870 INFO L185 CegarLoopUtils]: At program point L508(lines 508 514) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:21,870 INFO L189 CegarLoopUtils]: For program point L640-4(lines 640 650) no Hoare annotation was computed. [2020-12-22 06:54:21,871 INFO L185 CegarLoopUtils]: At program point L508-1(lines 508 514) the Hoare annotation is: false [2020-12-22 06:54:21,871 INFO L185 CegarLoopUtils]: At program point L508-2(lines 508 514) the Hoare annotation is: false [2020-12-22 06:54:21,871 INFO L189 CegarLoopUtils]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-12-22 06:54:21,871 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:54:21,871 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:54:21,871 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:54:21,871 INFO L189 CegarLoopUtils]: For program point L641(lines 641 647) no Hoare annotation was computed. [2020-12-22 06:54:21,872 INFO L189 CegarLoopUtils]: For program point L641-2(lines 641 647) no Hoare annotation was computed. [2020-12-22 06:54:21,872 INFO L189 CegarLoopUtils]: For program point L641-4(lines 641 647) no Hoare annotation was computed. [2020-12-22 06:54:21,872 INFO L185 CegarLoopUtils]: At program point L625(lines 620 627) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:21,872 INFO L185 CegarLoopUtils]: At program point L477(lines 430 478) the Hoare annotation is: false [2020-12-22 06:54:21,872 INFO L189 CegarLoopUtils]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-12-22 06:54:21,872 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:21,873 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:21,873 INFO L185 CegarLoopUtils]: At program point L578(lines 573 581) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:21,873 INFO L185 CegarLoopUtils]: At program point L578-1(lines 573 581) the Hoare annotation is: false [2020-12-22 06:54:21,873 INFO L185 CegarLoopUtils]: At program point L578-2(lines 573 581) the Hoare annotation is: false [2020-12-22 06:54:21,873 INFO L189 CegarLoopUtils]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-12-22 06:54:21,874 INFO L189 CegarLoopUtils]: For program point L744(lines 744 751) no Hoare annotation was computed. [2020-12-22 06:54:21,874 INFO L192 CegarLoopUtils]: At program point L744-1(lines 744 751) the Hoare annotation is: true [2020-12-22 06:54:21,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:21 BoogieIcfgContainer [2020-12-22 06:54:21,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:21,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:21,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:21,899 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:21,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:20" (3/4) ... [2020-12-22 06:54:21,903 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:21,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:21,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:21,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:21,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:21,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:21,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:21,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:21,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:22,039 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product09.cil.c-witness.graphml [2020-12-22 06:54:22,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:22,043 INFO L168 Benchmark]: Toolchain (without parser) took 3439.85 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 125.6 MB in the beginning and 103.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 54.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:22,044 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:22,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.41 ms. Allocated memory is still 152.0 MB. Free memory was 125.4 MB in the beginning and 105.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:22,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.83 ms. Allocated memory is still 152.0 MB. Free memory was 105.6 MB in the beginning and 102.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:22,046 INFO L168 Benchmark]: Boogie Preprocessor took 68.39 ms. Allocated memory is still 152.0 MB. Free memory was 102.9 MB in the beginning and 101.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:22,049 INFO L168 Benchmark]: RCFGBuilder took 1047.05 ms. Allocated memory is still 152.0 MB. Free memory was 101.0 MB in the beginning and 87.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:22,050 INFO L168 Benchmark]: TraceAbstraction took 1500.06 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 87.0 MB in the beginning and 108.6 MB in the end (delta: -21.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:22,050 INFO L168 Benchmark]: Witness Printer took 140.98 ms. Allocated memory is still 182.5 MB. Free memory was 108.6 MB in the beginning and 103.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:22,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 603.41 ms. Allocated memory is still 152.0 MB. Free memory was 125.4 MB in the beginning and 105.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 67.83 ms. Allocated memory is still 152.0 MB. Free memory was 105.6 MB in the beginning and 102.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 68.39 ms. Allocated memory is still 152.0 MB. Free memory was 102.9 MB in the beginning and 101.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1047.05 ms. Allocated memory is still 152.0 MB. Free memory was 101.0 MB in the beginning and 87.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1500.06 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 87.0 MB in the beginning and 108.6 MB in the end (delta: -21.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 8.0 GB. * Witness Printer took 140.98 ms. Allocated memory is still 182.5 MB. Free memory was 108.6 MB in the beginning and 103.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 60 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...