/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:52:01,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:52:01,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:52:01,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:52:01,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:52:01,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:52:01,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:52:01,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:52:01,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:52:01,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:52:01,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:52:01,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:52:01,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:52:01,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:52:01,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:52:01,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:52:01,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:52:01,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:52:01,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:52:01,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:52:01,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:52:01,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:52:01,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:52:01,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:52:01,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:52:01,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:52:01,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:52:01,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:52:01,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:52:01,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:52:01,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:52:01,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:52:01,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:52:01,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:52:01,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:52:01,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:52:01,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:52:01,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:52:01,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:52:01,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:52:01,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:52:01,249 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:52:01,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:52:01,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:52:01,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:52:01,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:52:01,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:52:01,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:52:01,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:52:01,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:52:01,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:52:01,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:52:01,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:52:01,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:52:01,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:52:01,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:52:01,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:52:01,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:52:01,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:52:01,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:52:01,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:52:01,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:52:01,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:52:01,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:52:01,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:52:01,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:52:01,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:52:01,733 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:52:01,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-12-22 06:52:01,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b4206f8/54bae93807404381a469a74c89770b5d/FLAGbb4a48f30 [2020-12-22 06:52:02,488 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:52:02,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-12-22 06:52:02,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b4206f8/54bae93807404381a469a74c89770b5d/FLAGbb4a48f30 [2020-12-22 06:52:02,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b4206f8/54bae93807404381a469a74c89770b5d [2020-12-22 06:52:02,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:52:02,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:52:02,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:02,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:52:02,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:52:02,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:02" (1/1) ... [2020-12-22 06:52:02,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d5afdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:02, skipping insertion in model container [2020-12-22 06:52:02,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:02" (1/1) ... [2020-12-22 06:52:02,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:52:02,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:52:03,076 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[6722,6735] [2020-12-22 06:52:03,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:03,160 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:52:03,246 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[6722,6735] [2020-12-22 06:52:03,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:03,388 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:52:03,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03 WrapperNode [2020-12-22 06:52:03,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:03,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:03,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:52:03,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:52:03,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:03,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:52:03,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:52:03,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:52:03,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... [2020-12-22 06:52:03,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:52:03,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:52:03,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:52:03,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:52:03,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:52:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:52:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:52:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:52:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:52:04,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:52:04,593 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2020-12-22 06:52:04,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:04 BoogieIcfgContainer [2020-12-22 06:52:04,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:52:04,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:52:04,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:52:04,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:52:04,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:52:02" (1/3) ... [2020-12-22 06:52:04,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5d0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:04, skipping insertion in model container [2020-12-22 06:52:04,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:03" (2/3) ... [2020-12-22 06:52:04,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5d0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:04, skipping insertion in model container [2020-12-22 06:52:04,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:04" (3/3) ... [2020-12-22 06:52:04,604 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-12-22 06:52:04,611 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:52:04,616 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:52:04,634 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:52:04,662 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:52:04,663 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:52:04,663 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:52:04,663 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:52:04,663 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:52:04,663 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:52:04,663 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:52:04,664 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:52:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-12-22 06:52:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:52:04,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:04,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:04,689 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:04,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:04,696 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2020-12-22 06:52:04,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:04,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271222174] [2020-12-22 06:52:04,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:05,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271222174] [2020-12-22 06:52:05,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:05,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:52:05,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944141042] [2020-12-22 06:52:05,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:52:05,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:05,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:52:05,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:52:05,122 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-12-22 06:52:05,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:05,149 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2020-12-22 06:52:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:52:05,151 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:52:05,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:05,161 INFO L225 Difference]: With dead ends: 108 [2020-12-22 06:52:05,162 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:52:05,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:52:05,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:52:05,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:52:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:52:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-12-22 06:52:05,209 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-12-22 06:52:05,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:05,210 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-12-22 06:52:05,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:52:05,210 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-12-22 06:52:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:52:05,211 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:05,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:05,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:52:05,212 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:05,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:05,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2020-12-22 06:52:05,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:05,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868379015] [2020-12-22 06:52:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:05,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868379015] [2020-12-22 06:52:05,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:05,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:52:05,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962615192] [2020-12-22 06:52:05,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:52:05,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:05,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:52:05,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:05,325 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-12-22 06:52:05,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:05,339 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-12-22 06:52:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:52:05,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:52:05,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:05,341 INFO L225 Difference]: With dead ends: 53 [2020-12-22 06:52:05,341 INFO L226 Difference]: Without dead ends: 27 [2020-12-22 06:52:05,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:05,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-22 06:52:05,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-22 06:52:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-22 06:52:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-12-22 06:52:05,348 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-12-22 06:52:05,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:05,348 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-12-22 06:52:05,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:52:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-22 06:52:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:52:05,350 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:05,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:05,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:52:05,350 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:05,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:05,351 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-12-22 06:52:05,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:05,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114515939] [2020-12-22 06:52:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:05,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114515939] [2020-12-22 06:52:05,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:05,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:05,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578461270] [2020-12-22 06:52:05,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:05,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:05,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:05,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:05,546 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-12-22 06:52:05,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:05,706 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-12-22 06:52:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:52:05,707 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-22 06:52:05,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:05,709 INFO L225 Difference]: With dead ends: 109 [2020-12-22 06:52:05,709 INFO L226 Difference]: Without dead ends: 88 [2020-12-22 06:52:05,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:52:05,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-12-22 06:52:05,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-12-22 06:52:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-22 06:52:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-12-22 06:52:05,720 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-12-22 06:52:05,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:05,721 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-12-22 06:52:05,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-12-22 06:52:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:52:05,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:05,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:05,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:52:05,722 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:05,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:05,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2020-12-22 06:52:05,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:05,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773385562] [2020-12-22 06:52:05,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:05,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773385562] [2020-12-22 06:52:05,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:05,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:05,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806302574] [2020-12-22 06:52:05,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:05,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:05,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:05,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:05,807 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-12-22 06:52:05,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:05,886 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-12-22 06:52:05,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:52:05,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:52:05,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:05,888 INFO L225 Difference]: With dead ends: 130 [2020-12-22 06:52:05,888 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:52:05,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:52:05,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:52:05,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:52:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:52:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:52:05,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-12-22 06:52:05,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:05,891 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:52:05,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:52:05,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:52:05,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:52:05,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:52:06,228 INFO L185 CegarLoopUtils]: At program point L283(lines 283 289) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:06,229 INFO L185 CegarLoopUtils]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2020-12-22 06:52:06,229 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-12-22 06:52:06,229 INFO L185 CegarLoopUtils]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2020-12-22 06:52:06,229 INFO L185 CegarLoopUtils]: At program point L432(lines 385 433) the Hoare annotation is: false [2020-12-22 06:52:06,229 INFO L189 CegarLoopUtils]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-12-22 06:52:06,229 INFO L189 CegarLoopUtils]: For program point L416(lines 416 427) no Hoare annotation was computed. [2020-12-22 06:52:06,230 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:52:06,230 INFO L189 CegarLoopUtils]: For program point L450(lines 450 463) no Hoare annotation was computed. [2020-12-22 06:52:06,230 INFO L185 CegarLoopUtils]: At program point L450-1(lines 1 841) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:06,230 INFO L189 CegarLoopUtils]: For program point L450-2(lines 450 463) no Hoare annotation was computed. [2020-12-22 06:52:06,230 INFO L185 CegarLoopUtils]: At program point L450-3(lines 1 841) the Hoare annotation is: false [2020-12-22 06:52:06,230 INFO L189 CegarLoopUtils]: For program point L450-4(lines 450 463) no Hoare annotation was computed. [2020-12-22 06:52:06,230 INFO L185 CegarLoopUtils]: At program point L450-5(lines 1 841) the Hoare annotation is: false [2020-12-22 06:52:06,231 INFO L185 CegarLoopUtils]: At program point L252(lines 1 841) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:06,231 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:52:06,233 INFO L185 CegarLoopUtils]: At program point L335(lines 330 338) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:06,234 INFO L185 CegarLoopUtils]: At program point L335-1(lines 330 338) the Hoare annotation is: false [2020-12-22 06:52:06,234 INFO L185 CegarLoopUtils]: At program point L335-2(lines 330 338) the Hoare annotation is: false [2020-12-22 06:52:06,234 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:52:06,234 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:06,234 INFO L189 CegarLoopUtils]: For program point L387(lines 386 431) no Hoare annotation was computed. [2020-12-22 06:52:06,234 INFO L189 CegarLoopUtils]: For program point L156(lines 156 160) no Hoare annotation was computed. [2020-12-22 06:52:06,235 INFO L189 CegarLoopUtils]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2020-12-22 06:52:06,235 INFO L189 CegarLoopUtils]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2020-12-22 06:52:06,235 INFO L189 CegarLoopUtils]: For program point L454(lines 454 460) no Hoare annotation was computed. [2020-12-22 06:52:06,235 INFO L189 CegarLoopUtils]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-12-22 06:52:06,235 INFO L189 CegarLoopUtils]: For program point L454-2(lines 454 460) no Hoare annotation was computed. [2020-12-22 06:52:06,235 INFO L189 CegarLoopUtils]: For program point L454-4(lines 454 460) no Hoare annotation was computed. [2020-12-22 06:52:06,235 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:52:06,236 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:52:06,236 INFO L189 CegarLoopUtils]: For program point L58-1(lines 276 282) no Hoare annotation was computed. [2020-12-22 06:52:06,236 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:52:06,236 INFO L189 CegarLoopUtils]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-12-22 06:52:06,239 INFO L189 CegarLoopUtils]: For program point L422-2(lines 276 282) no Hoare annotation was computed. [2020-12-22 06:52:06,239 INFO L189 CegarLoopUtils]: For program point L472(line 472) no Hoare annotation was computed. [2020-12-22 06:52:06,239 INFO L189 CegarLoopUtils]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-12-22 06:52:06,239 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-12-22 06:52:06,239 INFO L189 CegarLoopUtils]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-12-22 06:52:06,240 INFO L189 CegarLoopUtils]: For program point L472-2(line 472) no Hoare annotation was computed. [2020-12-22 06:52:06,240 INFO L185 CegarLoopUtils]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:06,242 INFO L185 CegarLoopUtils]: At program point L193(lines 188 196) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:06,242 INFO L185 CegarLoopUtils]: At program point L193-1(lines 188 196) the Hoare annotation is: false [2020-12-22 06:52:06,242 INFO L185 CegarLoopUtils]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2020-12-22 06:52:06,243 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:52:06,243 INFO L185 CegarLoopUtils]: At program point L276(lines 275 294) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:06,243 INFO L189 CegarLoopUtils]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-12-22 06:52:06,243 INFO L185 CegarLoopUtils]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2020-12-22 06:52:06,243 INFO L185 CegarLoopUtils]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2020-12-22 06:52:06,244 INFO L185 CegarLoopUtils]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:06,244 INFO L189 CegarLoopUtils]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-12-22 06:52:06,244 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:52:06,244 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-12-22 06:52:06,244 INFO L189 CegarLoopUtils]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-12-22 06:52:06,244 INFO L185 CegarLoopUtils]: At program point L396-1(lines 396 402) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:06,245 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:52:06,245 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:52:06,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:52:06 BoogieIcfgContainer [2020-12-22 06:52:06,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:52:06,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:52:06,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:52:06,294 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:52:06,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:04" (3/4) ... [2020-12-22 06:52:06,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:52:06,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:52:06,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:52:06,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:52:06,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:52:06,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:52:06,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:06,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:06,365 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:52:06,419 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product01.cil.c-witness.graphml [2020-12-22 06:52:06,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:52:06,421 INFO L168 Benchmark]: Toolchain (without parser) took 3622.15 ms. Allocated memory is still 151.0 MB. Free memory was 106.6 MB in the beginning and 122.3 MB in the end (delta: -15.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:52:06,422 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 124.3 MB in the end (delta: 96.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:52:06,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.99 ms. Allocated memory is still 151.0 MB. Free memory was 106.2 MB in the beginning and 128.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:06,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.16 ms. Allocated memory is still 151.0 MB. Free memory was 128.4 MB in the beginning and 125.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:06,424 INFO L168 Benchmark]: Boogie Preprocessor took 71.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 123.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:06,424 INFO L168 Benchmark]: RCFGBuilder took 987.02 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 130.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:06,425 INFO L168 Benchmark]: TraceAbstraction took 1696.31 ms. Allocated memory is still 151.0 MB. Free memory was 130.5 MB in the beginning and 127.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:06,425 INFO L168 Benchmark]: Witness Printer took 125.21 ms. Allocated memory is still 151.0 MB. Free memory was 127.5 MB in the beginning and 122.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:06,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 124.3 MB in the end (delta: 96.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 589.99 ms. Allocated memory is still 151.0 MB. Free memory was 106.2 MB in the beginning and 128.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 144.16 ms. Allocated memory is still 151.0 MB. Free memory was 128.4 MB in the beginning and 125.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 71.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 123.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 987.02 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 130.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1696.31 ms. Allocated memory is still 151.0 MB. Free memory was 130.5 MB in the beginning and 127.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * Witness Printer took 125.21 ms. Allocated memory is still 151.0 MB. Free memory was 127.5 MB in the beginning and 122.3 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: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: 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: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 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=57occurred 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, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 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...