/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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:53:07,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:53:07,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:53:07,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:53:07,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:53:07,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:53:07,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:53:07,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:53:07,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:53:07,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:53:07,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:53:07,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:53:07,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:53:07,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:53:07,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:53:07,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:53:07,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:53:07,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:53:07,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:53:07,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:53:07,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:53:08,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:53:08,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:53:08,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:53:08,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:53:08,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:53:08,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:53:08,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:53:08,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:53:08,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:53:08,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:53:08,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:53:08,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:53:08,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:53:08,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:53:08,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:53:08,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:53:08,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:53:08,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:53:08,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:53:08,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:53:08,094 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:53:08,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:53:08,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:53:08,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:53:08,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:53:08,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:53:08,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:53:08,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:53:08,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:53:08,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:53:08,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:53:08,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:53:08,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:53:08,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:53:08,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:53:08,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:53:08,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:53:08,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:53:08,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:53:08,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:53:08,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:53:08,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:53:08,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:53:08,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:53:08,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:53:08,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:53:08,546 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:53:08,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2020-12-22 06:53:08,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2650cf00b/5a1ff98355bb42b9b3e380d8e50a6a58/FLAGfd5ad6958 [2020-12-22 06:53:09,384 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:53:09,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2020-12-22 06:53:09,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2650cf00b/5a1ff98355bb42b9b3e380d8e50a6a58/FLAGfd5ad6958 [2020-12-22 06:53:09,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2650cf00b/5a1ff98355bb42b9b3e380d8e50a6a58 [2020-12-22 06:53:09,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:53:09,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:53:09,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:09,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:53:09,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:53:09,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:09" (1/1) ... [2020-12-22 06:53:09,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31695546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:09, skipping insertion in model container [2020-12-22 06:53:09,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:09" (1/1) ... [2020-12-22 06:53:09,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:53:09,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:53:10,158 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_product30.cil.c[14037,14050] [2020-12-22 06:53:10,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:10,222 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:53:10,288 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_product30.cil.c[14037,14050] [2020-12-22 06:53:10,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:10,350 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:53:10,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10 WrapperNode [2020-12-22 06:53:10,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:10,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:10,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:53:10,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:53:10,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:10,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:53:10,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:53:10,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:53:10,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (1/1) ... [2020-12-22 06:53:10,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:53:10,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:53:10,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:53:10,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:53:10,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (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 06:53:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:53:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:53:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:53:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:53:11,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:53:11,845 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2020-12-22 06:53:11,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:11 BoogieIcfgContainer [2020-12-22 06:53:11,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:53:11,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:53:11,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:53:11,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:53:11,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:53:09" (1/3) ... [2020-12-22 06:53:11,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed69cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:11, skipping insertion in model container [2020-12-22 06:53:11,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:10" (2/3) ... [2020-12-22 06:53:11,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed69cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:11, skipping insertion in model container [2020-12-22 06:53:11,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:11" (3/3) ... [2020-12-22 06:53:11,868 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2020-12-22 06:53:11,877 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:53:11,883 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:53:11,911 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:53:11,947 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:53:11,947 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:53:11,947 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:53:11,948 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:53:11,948 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:53:11,948 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:53:11,948 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:53:11,948 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:53:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-12-22 06:53:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:53:11,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:11,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:11,978 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:11,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:11,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2020-12-22 06:53:11,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:11,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49930001] [2020-12-22 06:53:11,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:12,288 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 06:53:12,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49930001] [2020-12-22 06:53:12,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:12,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:12,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688925379] [2020-12-22 06:53:12,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:53:12,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:12,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:53:12,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:12,317 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2020-12-22 06:53:12,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:12,354 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2020-12-22 06:53:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:53:12,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:53:12,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:12,377 INFO L225 Difference]: With dead ends: 204 [2020-12-22 06:53:12,378 INFO L226 Difference]: Without dead ends: 101 [2020-12-22 06:53:12,382 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 06:53:12,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-22 06:53:12,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-12-22 06:53:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-22 06:53:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-12-22 06:53:12,457 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-12-22 06:53:12,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:12,458 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-12-22 06:53:12,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:53:12,458 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-12-22 06:53:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:53:12,461 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:12,462 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 06:53:12,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:53:12,463 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:12,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:12,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2020-12-22 06:53:12,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:12,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714156887] [2020-12-22 06:53:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:12,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714156887] [2020-12-22 06:53:12,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:12,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:12,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323190879] [2020-12-22 06:53:12,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:12,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:12,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:12,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:12,617 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-12-22 06:53:12,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:12,630 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-12-22 06:53:12,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:12,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:53:12,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:12,632 INFO L225 Difference]: With dead ends: 101 [2020-12-22 06:53:12,632 INFO L226 Difference]: Without dead ends: 43 [2020-12-22 06:53:12,633 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 06:53:12,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-22 06:53:12,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-22 06:53:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-22 06:53:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-12-22 06:53:12,640 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-12-22 06:53:12,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:12,640 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-12-22 06:53:12,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-12-22 06:53:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:53:12,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:12,642 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 06:53:12,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:53:12,642 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:12,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:12,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2020-12-22 06:53:12,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:12,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211843887] [2020-12-22 06:53:12,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:12,773 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 06:53:12,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211843887] [2020-12-22 06:53:12,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:12,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:12,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769160635] [2020-12-22 06:53:12,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:12,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:12,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:12,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:12,776 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2020-12-22 06:53:12,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:12,803 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-12-22 06:53:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:12,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:53:12,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:12,805 INFO L225 Difference]: With dead ends: 80 [2020-12-22 06:53:12,805 INFO L226 Difference]: Without dead ends: 43 [2020-12-22 06:53:12,806 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 06:53:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-22 06:53:12,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-22 06:53:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-22 06:53:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-12-22 06:53:12,813 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-12-22 06:53:12,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:12,813 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-12-22 06:53:12,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-12-22 06:53:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:53:12,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:12,815 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 06:53:12,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:53:12,815 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:12,816 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2020-12-22 06:53:12,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:12,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254078371] [2020-12-22 06:53:12,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:12,942 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 06:53:12,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254078371] [2020-12-22 06:53:12,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:12,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:12,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241344244] [2020-12-22 06:53:12,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:12,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:12,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:12,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:12,945 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-12-22 06:53:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:13,053 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2020-12-22 06:53:13,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:53:13,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:53:13,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:13,056 INFO L225 Difference]: With dead ends: 204 [2020-12-22 06:53:13,056 INFO L226 Difference]: Without dead ends: 167 [2020-12-22 06:53:13,057 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 06:53:13,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-12-22 06:53:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2020-12-22 06:53:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-22 06:53:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2020-12-22 06:53:13,073 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2020-12-22 06:53:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:13,073 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2020-12-22 06:53:13,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-12-22 06:53:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:53:13,075 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:13,075 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 06:53:13,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:53:13,076 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:13,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:13,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1843821250, now seen corresponding path program 1 times [2020-12-22 06:53:13,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:13,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213935941] [2020-12-22 06:53:13,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:13,188 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 06:53:13,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213935941] [2020-12-22 06:53:13,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:13,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:13,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803058344] [2020-12-22 06:53:13,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:13,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:13,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:13,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:13,192 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2020-12-22 06:53:13,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:13,277 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2020-12-22 06:53:13,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:53:13,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:53:13,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:13,279 INFO L225 Difference]: With dead ends: 174 [2020-12-22 06:53:13,279 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:53:13,284 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 06:53:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:53:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:53:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:53:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:53:13,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:53:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:13,285 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:53:13,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:13,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:53:13,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:53:13,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:53:13,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:53:13,564 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2020-12-22 06:53:13,564 INFO L189 CegarLoopUtils]: For program point L895(lines 894 941) no Hoare annotation was computed. [2020-12-22 06:53:13,564 INFO L189 CegarLoopUtils]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-12-22 06:53:13,564 INFO L189 CegarLoopUtils]: For program point L698(lines 698 706) no Hoare annotation was computed. [2020-12-22 06:53:13,564 INFO L189 CegarLoopUtils]: For program point L698-1(lines 698 706) no Hoare annotation was computed. [2020-12-22 06:53:13,564 INFO L189 CegarLoopUtils]: For program point L698-2(lines 698 706) no Hoare annotation was computed. [2020-12-22 06:53:13,565 INFO L189 CegarLoopUtils]: For program point L698-3(lines 698 706) no Hoare annotation was computed. [2020-12-22 06:53:13,565 INFO L189 CegarLoopUtils]: For program point L698-4(lines 698 706) no Hoare annotation was computed. [2020-12-22 06:53:13,565 INFO L189 CegarLoopUtils]: For program point L698-5(lines 698 706) no Hoare annotation was computed. [2020-12-22 06:53:13,565 INFO L185 CegarLoopUtils]: At program point L534(lines 1 949) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:13,565 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:13,566 INFO L189 CegarLoopUtils]: For program point L932(lines 932 936) no Hoare annotation was computed. [2020-12-22 06:53:13,566 INFO L185 CegarLoopUtils]: At program point L932-2(lines 662 668) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:13,566 INFO L189 CegarLoopUtils]: For program point L866(lines 866 879) no Hoare annotation was computed. [2020-12-22 06:53:13,566 INFO L185 CegarLoopUtils]: At program point L866-1(lines 1 949) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:13,566 INFO L189 CegarLoopUtils]: For program point L866-2(lines 866 879) no Hoare annotation was computed. [2020-12-22 06:53:13,566 INFO L185 CegarLoopUtils]: At program point L866-3(lines 1 949) the Hoare annotation is: false [2020-12-22 06:53:13,567 INFO L189 CegarLoopUtils]: For program point L866-4(lines 866 879) no Hoare annotation was computed. [2020-12-22 06:53:13,567 INFO L185 CegarLoopUtils]: At program point L866-5(lines 1 949) the Hoare annotation is: false [2020-12-22 06:53:13,567 INFO L185 CegarLoopUtils]: At program point L669(lines 669 675) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:13,567 INFO L185 CegarLoopUtils]: At program point L636(lines 631 639) the Hoare annotation is: false [2020-12-22 06:53:13,567 INFO L185 CegarLoopUtils]: At program point L669-1(lines 669 675) the Hoare annotation is: false [2020-12-22 06:53:13,567 INFO L185 CegarLoopUtils]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2020-12-22 06:53:13,568 INFO L185 CegarLoopUtils]: At program point L669-2(lines 669 675) the Hoare annotation is: false [2020-12-22 06:53:13,568 INFO L189 CegarLoopUtils]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-12-22 06:53:13,568 INFO L185 CegarLoopUtils]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2020-12-22 06:53:13,568 INFO L185 CegarLoopUtils]: At program point L636-3(lines 631 639) the Hoare annotation is: false [2020-12-22 06:53:13,568 INFO L185 CegarLoopUtils]: At program point L636-4(lines 631 639) the Hoare annotation is: false [2020-12-22 06:53:13,568 INFO L185 CegarLoopUtils]: At program point L636-5(lines 631 639) the Hoare annotation is: false [2020-12-22 06:53:13,568 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:53:13,569 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2020-12-22 06:53:13,569 INFO L189 CegarLoopUtils]: For program point L870(lines 870 876) no Hoare annotation was computed. [2020-12-22 06:53:13,569 INFO L189 CegarLoopUtils]: For program point L870-2(lines 870 876) no Hoare annotation was computed. [2020-12-22 06:53:13,569 INFO L189 CegarLoopUtils]: For program point L870-4(lines 870 876) no Hoare annotation was computed. [2020-12-22 06:53:13,569 INFO L189 CegarLoopUtils]: For program point L904(lines 904 910) no Hoare annotation was computed. [2020-12-22 06:53:13,569 INFO L185 CegarLoopUtils]: At program point L904-1(lines 904 910) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:13,570 INFO L189 CegarLoopUtils]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,570 INFO L189 CegarLoopUtils]: For program point L839-2(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,570 INFO L189 CegarLoopUtils]: For program point L839-3(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,570 INFO L189 CegarLoopUtils]: For program point L839-5(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,570 INFO L189 CegarLoopUtils]: For program point L839-6(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,570 INFO L189 CegarLoopUtils]: For program point L839-8(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,570 INFO L185 CegarLoopUtils]: At program point L542(lines 537 545) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:13,571 INFO L189 CegarLoopUtils]: For program point L839-9(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,571 INFO L189 CegarLoopUtils]: For program point L839-11(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,571 INFO L189 CegarLoopUtils]: For program point L839-12(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,571 INFO L189 CegarLoopUtils]: For program point L839-14(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,571 INFO L189 CegarLoopUtils]: For program point L839-15(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,571 INFO L189 CegarLoopUtils]: For program point L839-17(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:53:13,571 INFO L185 CegarLoopUtils]: At program point L942(lines 893 943) the Hoare annotation is: false [2020-12-22 06:53:13,572 INFO L189 CegarLoopUtils]: For program point L645(line 645) no Hoare annotation was computed. [2020-12-22 06:53:13,572 INFO L189 CegarLoopUtils]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-12-22 06:53:13,572 INFO L189 CegarLoopUtils]: For program point L645-2(line 645) no Hoare annotation was computed. [2020-12-22 06:53:13,572 INFO L185 CegarLoopUtils]: At program point L845(lines 830 848) the Hoare annotation is: false [2020-12-22 06:53:13,572 INFO L185 CegarLoopUtils]: At program point L845-1(lines 830 848) the Hoare annotation is: false [2020-12-22 06:53:13,572 INFO L185 CegarLoopUtils]: At program point L845-2(lines 830 848) the Hoare annotation is: false [2020-12-22 06:53:13,572 INFO L185 CegarLoopUtils]: At program point L845-3(lines 830 848) the Hoare annotation is: false [2020-12-22 06:53:13,573 INFO L185 CegarLoopUtils]: At program point L845-4(lines 830 848) the Hoare annotation is: false [2020-12-22 06:53:13,573 INFO L185 CegarLoopUtils]: At program point L845-5(lines 830 848) the Hoare annotation is: false [2020-12-22 06:53:13,573 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:53:13,573 INFO L189 CegarLoopUtils]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-12-22 06:53:13,573 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:53:13,573 INFO L185 CegarLoopUtils]: At program point L781(lines 774 784) the Hoare annotation is: false [2020-12-22 06:53:13,573 INFO L185 CegarLoopUtils]: At program point L781-1(lines 774 784) the Hoare annotation is: false [2020-12-22 06:53:13,574 INFO L185 CegarLoopUtils]: At program point L781-2(lines 774 784) the Hoare annotation is: false [2020-12-22 06:53:13,574 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:53:13,574 INFO L189 CegarLoopUtils]: For program point L914(lines 914 920) no Hoare annotation was computed. [2020-12-22 06:53:13,574 INFO L185 CegarLoopUtils]: At program point L914-1(lines 914 920) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:13,574 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:53:13,574 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:53:13,575 INFO L189 CegarLoopUtils]: For program point L58-1(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:53:13,575 INFO L189 CegarLoopUtils]: For program point L720(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:13,575 INFO L189 CegarLoopUtils]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:13,575 INFO L189 CegarLoopUtils]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:13,575 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:53:13,575 INFO L189 CegarLoopUtils]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-12-22 06:53:13,575 INFO L189 CegarLoopUtils]: For program point L558-3(lines 558 562) no Hoare annotation was computed. [2020-12-22 06:53:13,576 INFO L189 CegarLoopUtils]: For program point L558-6(lines 558 562) no Hoare annotation was computed. [2020-12-22 06:53:13,576 INFO L185 CegarLoopUtils]: At program point L790(lines 785 793) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:13,576 INFO L185 CegarLoopUtils]: At program point L790-1(lines 785 793) the Hoare annotation is: false [2020-12-22 06:53:13,576 INFO L189 CegarLoopUtils]: For program point L724(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:13,576 INFO L185 CegarLoopUtils]: At program point L790-2(lines 785 793) the Hoare annotation is: false [2020-12-22 06:53:13,577 INFO L189 CegarLoopUtils]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:13,577 INFO L189 CegarLoopUtils]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:13,577 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:53:13,577 INFO L189 CegarLoopUtils]: For program point L924(lines 924 937) no Hoare annotation was computed. [2020-12-22 06:53:13,577 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2020-12-22 06:53:13,577 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:53:13,578 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:53:13,578 INFO L189 CegarLoopUtils]: For program point L694(lines 694 711) no Hoare annotation was computed. [2020-12-22 06:53:13,578 INFO L189 CegarLoopUtils]: For program point L694-1(lines 694 711) no Hoare annotation was computed. [2020-12-22 06:53:13,578 INFO L189 CegarLoopUtils]: For program point L694-2(lines 694 711) no Hoare annotation was computed. [2020-12-22 06:53:13,578 INFO L185 CegarLoopUtils]: At program point L595(lines 590 598) the Hoare annotation is: false [2020-12-22 06:53:13,578 INFO L189 CegarLoopUtils]: For program point L694-3(lines 694 711) no Hoare annotation was computed. [2020-12-22 06:53:13,578 INFO L185 CegarLoopUtils]: At program point L595-1(lines 590 598) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:13,579 INFO L189 CegarLoopUtils]: For program point L694-4(lines 694 711) no Hoare annotation was computed. [2020-12-22 06:53:13,579 INFO L185 CegarLoopUtils]: At program point L595-2(lines 590 598) the Hoare annotation is: false [2020-12-22 06:53:13,579 INFO L189 CegarLoopUtils]: For program point L694-5(lines 694 711) no Hoare annotation was computed. [2020-12-22 06:53:13,579 INFO L185 CegarLoopUtils]: At program point L595-3(lines 590 598) the Hoare annotation is: false [2020-12-22 06:53:13,579 INFO L185 CegarLoopUtils]: At program point L595-4(lines 590 598) the Hoare annotation is: false [2020-12-22 06:53:13,579 INFO L185 CegarLoopUtils]: At program point L595-5(lines 590 598) the Hoare annotation is: false [2020-12-22 06:53:13,580 INFO L185 CegarLoopUtils]: At program point L662(lines 661 680) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:13,580 INFO L189 CegarLoopUtils]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:53:13,580 INFO L185 CegarLoopUtils]: At program point L662-2(lines 661 680) the Hoare annotation is: false [2020-12-22 06:53:13,580 INFO L185 CegarLoopUtils]: At program point L662-3(lines 661 680) the Hoare annotation is: false [2020-12-22 06:53:13,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:53:13 BoogieIcfgContainer [2020-12-22 06:53:13,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:53:13,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:53:13,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:53:13,604 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:53:13,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:11" (3/4) ... [2020-12-22 06:53:13,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:53:13,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:53:13,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:53:13,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:53:13,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:53:13,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:53:13,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:13,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:13,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:53:13,911 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product30.cil.c-witness.graphml [2020-12-22 06:53:13,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:53:13,914 INFO L168 Benchmark]: Toolchain (without parser) took 4207.11 ms. Allocated memory was 170.9 MB in the beginning and 222.3 MB in the end (delta: 51.4 MB). Free memory was 145.5 MB in the beginning and 100.2 MB in the end (delta: 45.3 MB). Peak memory consumption was 98.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:13,915 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 170.9 MB. Free memory is still 141.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:53:13,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.77 ms. Allocated memory is still 170.9 MB. Free memory was 145.3 MB in the beginning and 123.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:13,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 170.9 MB. Free memory was 123.7 MB in the beginning and 120.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:13,919 INFO L168 Benchmark]: Boogie Preprocessor took 57.90 ms. Allocated memory is still 170.9 MB. Free memory was 120.2 MB in the beginning and 117.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:13,919 INFO L168 Benchmark]: RCFGBuilder took 1352.15 ms. Allocated memory is still 170.9 MB. Free memory was 117.5 MB in the beginning and 93.8 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:13,920 INFO L168 Benchmark]: TraceAbstraction took 1751.33 ms. Allocated memory was 170.9 MB in the beginning and 222.3 MB in the end (delta: 51.4 MB). Free memory was 93.3 MB in the beginning and 109.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 36.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:13,920 INFO L168 Benchmark]: Witness Printer took 307.43 ms. Allocated memory is still 222.3 MB. Free memory was 109.2 MB in the beginning and 100.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:13,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 170.9 MB. Free memory is still 141.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 643.77 ms. Allocated memory is still 170.9 MB. Free memory was 145.3 MB in the beginning and 123.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 170.9 MB. Free memory was 123.7 MB in the beginning and 120.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.90 ms. Allocated memory is still 170.9 MB. Free memory was 120.2 MB in the beginning and 117.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1352.15 ms. Allocated memory is still 170.9 MB. Free memory was 117.5 MB in the beginning and 93.8 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1751.33 ms. Allocated memory was 170.9 MB in the beginning and 222.3 MB in the end (delta: 51.4 MB). Free memory was 93.3 MB in the beginning and 109.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 36.6 MB. Max. memory is 8.0 GB. * Witness Printer took 307.43 ms. Allocated memory is still 222.3 MB. Free memory was 109.2 MB in the beginning and 100.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 645]: 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: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 404 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 84 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1274 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...