/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_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:27,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:27,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:27,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:27,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:27,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:27,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:27,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:27,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:27,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:27,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:27,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:27,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:27,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:27,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:27,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:27,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:27,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:27,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:27,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:27,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:27,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:27,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:27,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:27,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:27,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:27,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:27,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:27,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:27,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:27,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:27,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:27,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:27,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:27,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:27,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:27,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:27,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:27,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:27,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:27,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:27,781 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:27,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:27,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:27,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:27,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:27,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:27,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:27,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:27,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:27,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:27,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:27,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:27,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:27,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:27,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:27,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:27,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:27,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:27,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:27,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:27,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:27,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:28,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:28,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:28,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:28,247 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:28,251 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:28,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-12-22 06:56:28,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194f6f9c6/bd6ff4df48404ca58da4c4017e040d75/FLAG8207d209a [2020-12-22 06:56:28,983 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:28,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-12-22 06:56:29,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194f6f9c6/bd6ff4df48404ca58da4c4017e040d75/FLAG8207d209a [2020-12-22 06:56:29,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194f6f9c6/bd6ff4df48404ca58da4c4017e040d75 [2020-12-22 06:56:29,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:29,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:29,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:29,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:29,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:29,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:29,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5606674f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29, skipping insertion in model container [2020-12-22 06:56:29,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:29,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:29,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:29,528 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_spec4_product28.cil.c[1281,1294] [2020-12-22 06:56:29,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:29,698 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:29,729 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_spec4_product28.cil.c[1281,1294] [2020-12-22 06:56:29,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:29,917 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:29,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29 WrapperNode [2020-12-22 06:56:29,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:29,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:29,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:29,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:29,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:29,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:30,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:30,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:30,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:30,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:30,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:30,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:30,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:30,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:30,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:30,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:30,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (1/1) ... [2020-12-22 06:56:30,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:30,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:30,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:30,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:30,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (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 06:56:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:31,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:31,210 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2020-12-22 06:56:31,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:31 BoogieIcfgContainer [2020-12-22 06:56:31,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:31,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:31,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:31,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:31,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:29" (1/3) ... [2020-12-22 06:56:31,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5095d9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:31, skipping insertion in model container [2020-12-22 06:56:31,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:29" (2/3) ... [2020-12-22 06:56:31,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5095d9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:31, skipping insertion in model container [2020-12-22 06:56:31,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:31" (3/3) ... [2020-12-22 06:56:31,223 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-12-22 06:56:31,231 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:31,237 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:31,259 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:31,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:31,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:31,291 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:31,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:31,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:31,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:31,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:31,291 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2020-12-22 06:56:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:31,318 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:31,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:31,319 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:31,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:31,326 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2020-12-22 06:56:31,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:31,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499873598] [2020-12-22 06:56:31,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:31,652 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 06:56:31,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499873598] [2020-12-22 06:56:31,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:31,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:31,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458496713] [2020-12-22 06:56:31,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:31,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:31,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:31,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:31,681 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2020-12-22 06:56:31,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:31,712 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2020-12-22 06:56:31,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:31,714 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:31,727 INFO L225 Difference]: With dead ends: 148 [2020-12-22 06:56:31,727 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:56:31,731 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 06:56:31,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:56:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-22 06:56:31,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:56:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-12-22 06:56:31,780 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-12-22 06:56:31,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:31,780 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-12-22 06:56:31,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-12-22 06:56:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:31,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:31,782 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 06:56:31,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:31,783 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:31,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:31,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2020-12-22 06:56:31,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:31,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574681611] [2020-12-22 06:56:31,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:31,950 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 06:56:31,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574681611] [2020-12-22 06:56:31,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:31,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:31,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259813988] [2020-12-22 06:56:31,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:31,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:31,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:31,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:31,959 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-12-22 06:56:31,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:31,977 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-12-22 06:56:31,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:31,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:31,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:31,979 INFO L225 Difference]: With dead ends: 73 [2020-12-22 06:56:31,979 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:56:31,980 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 06:56:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:56:31,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:56:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:56:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-12-22 06:56:31,987 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-12-22 06:56:31,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:31,987 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-12-22 06:56:31,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-22 06:56:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:31,989 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:31,989 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 06:56:31,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:31,989 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:32,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:32,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-12-22 06:56:32,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:32,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894052916] [2020-12-22 06:56:32,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:32,210 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 06:56:32,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894052916] [2020-12-22 06:56:32,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:32,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:32,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496585882] [2020-12-22 06:56:32,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:32,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:32,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:32,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:32,214 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2020-12-22 06:56:32,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:32,289 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2020-12-22 06:56:32,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:32,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-22 06:56:32,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:32,291 INFO L225 Difference]: With dead ends: 87 [2020-12-22 06:56:32,291 INFO L226 Difference]: Without dead ends: 58 [2020-12-22 06:56:32,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-12-22 06:56:32,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2020-12-22 06:56:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-22 06:56:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-12-22 06:56:32,306 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-12-22 06:56:32,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:32,307 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-12-22 06:56:32,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-12-22 06:56:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:56:32,309 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:32,309 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 06:56:32,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:32,309 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:32,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:32,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-12-22 06:56:32,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:32,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207781015] [2020-12-22 06:56:32,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:32,391 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 06:56:32,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207781015] [2020-12-22 06:56:32,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:32,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:32,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658725515] [2020-12-22 06:56:32,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:32,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:32,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:32,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:32,394 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2020-12-22 06:56:32,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:32,495 INFO L93 Difference]: Finished difference Result 199 states and 302 transitions. [2020-12-22 06:56:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:32,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:56:32,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:32,498 INFO L225 Difference]: With dead ends: 199 [2020-12-22 06:56:32,498 INFO L226 Difference]: Without dead ends: 151 [2020-12-22 06:56:32,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-12-22 06:56:32,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 96. [2020-12-22 06:56:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-22 06:56:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2020-12-22 06:56:32,524 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 23 [2020-12-22 06:56:32,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:32,525 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2020-12-22 06:56:32,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2020-12-22 06:56:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:32,526 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:32,527 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 06:56:32,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:32,527 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:32,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:32,528 INFO L82 PathProgramCache]: Analyzing trace with hash 255216756, now seen corresponding path program 1 times [2020-12-22 06:56:32,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:32,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949161290] [2020-12-22 06:56:32,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:32,593 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 06:56:32,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949161290] [2020-12-22 06:56:32,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:32,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:32,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525703745] [2020-12-22 06:56:32,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:32,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:32,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:32,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:32,596 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand 5 states. [2020-12-22 06:56:32,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:32,660 INFO L93 Difference]: Finished difference Result 236 states and 349 transitions. [2020-12-22 06:56:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:32,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:56:32,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:32,662 INFO L225 Difference]: With dead ends: 236 [2020-12-22 06:56:32,662 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:32,663 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 06:56:32,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:32,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:32,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-22 06:56:32,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:32,665 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:32,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:32,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:32,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:32,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:33,111 INFO L189 CegarLoopUtils]: For program point L894(lines 894 900) no Hoare annotation was computed. [2020-12-22 06:56:33,112 INFO L185 CegarLoopUtils]: At program point L894-1(lines 894 900) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,112 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:33,112 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:33,112 INFO L185 CegarLoopUtils]: At program point L763(lines 758 766) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,112 INFO L185 CegarLoopUtils]: At program point L763-1(lines 758 766) the Hoare annotation is: false [2020-12-22 06:56:33,113 INFO L185 CegarLoopUtils]: At program point L763-2(lines 758 766) the Hoare annotation is: false [2020-12-22 06:56:33,113 INFO L189 CegarLoopUtils]: For program point L532(lines 532 549) no Hoare annotation was computed. [2020-12-22 06:56:33,113 INFO L189 CegarLoopUtils]: For program point L532-1(lines 532 549) no Hoare annotation was computed. [2020-12-22 06:56:33,113 INFO L189 CegarLoopUtils]: For program point L532-2(lines 532 549) no Hoare annotation was computed. [2020-12-22 06:56:33,113 INFO L185 CegarLoopUtils]: At program point L500(lines 499 518) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,113 INFO L189 CegarLoopUtils]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-12-22 06:56:33,114 INFO L185 CegarLoopUtils]: At program point L500-2(lines 499 518) the Hoare annotation is: false [2020-12-22 06:56:33,114 INFO L185 CegarLoopUtils]: At program point L500-3(lines 499 518) the Hoare annotation is: false [2020-12-22 06:56:33,114 INFO L189 CegarLoopUtils]: For program point L666(lines 666 672) no Hoare annotation was computed. [2020-12-22 06:56:33,114 INFO L185 CegarLoopUtils]: At program point L666-1(lines 666 672) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,114 INFO L189 CegarLoopUtils]: For program point L914(lines 914 929) no Hoare annotation was computed. [2020-12-22 06:56:33,114 INFO L189 CegarLoopUtils]: For program point L536(lines 536 544) no Hoare annotation was computed. [2020-12-22 06:56:33,115 INFO L189 CegarLoopUtils]: For program point L536-1(lines 536 544) no Hoare annotation was computed. [2020-12-22 06:56:33,115 INFO L185 CegarLoopUtils]: At program point L470(lines 1 941) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-22 06:56:33,115 INFO L189 CegarLoopUtils]: For program point L536-2(lines 536 544) no Hoare annotation was computed. [2020-12-22 06:56:33,115 INFO L189 CegarLoopUtils]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-12-22 06:56:33,115 INFO L189 CegarLoopUtils]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-12-22 06:56:33,115 INFO L189 CegarLoopUtils]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2020-12-22 06:56:33,116 INFO L189 CegarLoopUtils]: For program point L652-3(lines 652 656) no Hoare annotation was computed. [2020-12-22 06:56:33,116 INFO L189 CegarLoopUtils]: For program point L652-5(lines 652 656) no Hoare annotation was computed. [2020-12-22 06:56:33,116 INFO L189 CegarLoopUtils]: For program point L652-6(lines 652 656) no Hoare annotation was computed. [2020-12-22 06:56:33,116 INFO L189 CegarLoopUtils]: For program point L652-8(lines 652 656) no Hoare annotation was computed. [2020-12-22 06:56:33,116 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:33,116 INFO L185 CegarLoopUtils]: At program point L603(lines 598 606) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,117 INFO L185 CegarLoopUtils]: At program point L603-1(lines 598 606) the Hoare annotation is: false [2020-12-22 06:56:33,117 INFO L185 CegarLoopUtils]: At program point L603-2(lines 598 606) the Hoare annotation is: false [2020-12-22 06:56:33,117 INFO L185 CegarLoopUtils]: At program point L934(lines 883 935) the Hoare annotation is: false [2020-12-22 06:56:33,117 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:33,117 INFO L189 CegarLoopUtils]: For program point L885(lines 884 933) no Hoare annotation was computed. [2020-12-22 06:56:33,117 INFO L192 CegarLoopUtils]: At program point L869(lines 850 872) the Hoare annotation is: true [2020-12-22 06:56:33,118 INFO L185 CegarLoopUtils]: At program point L836(lines 832 838) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,118 INFO L189 CegarLoopUtils]: For program point L886(lines 886 890) no Hoare annotation was computed. [2020-12-22 06:56:33,118 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:33,118 INFO L185 CegarLoopUtils]: At program point L507(lines 507 513) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,118 INFO L185 CegarLoopUtils]: At program point L507-1(lines 507 513) the Hoare annotation is: false [2020-12-22 06:56:33,119 INFO L185 CegarLoopUtils]: At program point L507-2(lines 507 513) the Hoare annotation is: false [2020-12-22 06:56:33,119 INFO L185 CegarLoopUtils]: At program point L788-2(lines 788 802) the Hoare annotation is: false [2020-12-22 06:56:33,119 INFO L189 CegarLoopUtils]: For program point L904(lines 904 910) no Hoare annotation was computed. [2020-12-22 06:56:33,119 INFO L185 CegarLoopUtils]: At program point L904-1(lines 904 910) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,119 INFO L185 CegarLoopUtils]: At program point L772(lines 767 775) the Hoare annotation is: false [2020-12-22 06:56:33,120 INFO L185 CegarLoopUtils]: At program point L772-1(lines 767 775) the Hoare annotation is: false [2020-12-22 06:56:33,120 INFO L189 CegarLoopUtils]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-12-22 06:56:33,120 INFO L185 CegarLoopUtils]: At program point L772-2(lines 767 775) the Hoare annotation is: false [2020-12-22 06:56:33,120 INFO L189 CegarLoopUtils]: For program point L789(line 789) no Hoare annotation was computed. [2020-12-22 06:56:33,120 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:56:33,120 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:56:33,121 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:56:33,121 INFO L189 CegarLoopUtils]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-12-22 06:56:33,121 INFO L185 CegarLoopUtils]: At program point L922-1(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,121 INFO L185 CegarLoopUtils]: At program point L658(lines 643 661) the Hoare annotation is: false [2020-12-22 06:56:33,121 INFO L185 CegarLoopUtils]: At program point L658-1(lines 643 661) the Hoare annotation is: false [2020-12-22 06:56:33,121 INFO L185 CegarLoopUtils]: At program point L658-2(lines 643 661) the Hoare annotation is: false [2020-12-22 06:56:33,122 INFO L189 CegarLoopUtils]: For program point L427(lines 427 440) no Hoare annotation was computed. [2020-12-22 06:56:33,122 INFO L185 CegarLoopUtils]: At program point L427-1(lines 1 941) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,122 INFO L189 CegarLoopUtils]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2020-12-22 06:56:33,122 INFO L185 CegarLoopUtils]: At program point L427-3(lines 1 941) the Hoare annotation is: false [2020-12-22 06:56:33,122 INFO L189 CegarLoopUtils]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2020-12-22 06:56:33,122 INFO L185 CegarLoopUtils]: At program point L427-5(lines 1 941) the Hoare annotation is: false [2020-12-22 06:56:33,123 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:33,123 INFO L185 CegarLoopUtils]: At program point L478(lines 473 481) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:56:33,123 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:33,123 INFO L189 CegarLoopUtils]: For program point L792(lines 792 796) no Hoare annotation was computed. [2020-12-22 06:56:33,123 INFO L189 CegarLoopUtils]: For program point L792-1(lines 500 506) no Hoare annotation was computed. [2020-12-22 06:56:33,123 INFO L189 CegarLoopUtils]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-12-22 06:56:33,124 INFO L189 CegarLoopUtils]: For program point L694-3(lines 694 698) no Hoare annotation was computed. [2020-12-22 06:56:33,124 INFO L189 CegarLoopUtils]: For program point L694-6(lines 694 698) no Hoare annotation was computed. [2020-12-22 06:56:33,124 INFO L189 CegarLoopUtils]: For program point L860(lines 860 867) no Hoare annotation was computed. [2020-12-22 06:56:33,124 INFO L192 CegarLoopUtils]: At program point L860-1(lines 860 867) the Hoare annotation is: true [2020-12-22 06:56:33,124 INFO L189 CegarLoopUtils]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-12-22 06:56:33,124 INFO L189 CegarLoopUtils]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2020-12-22 06:56:33,124 INFO L189 CegarLoopUtils]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2020-12-22 06:56:33,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:33 BoogieIcfgContainer [2020-12-22 06:56:33,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:33,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:33,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:33,147 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:33,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:31" (3/4) ... [2020-12-22 06:56:33,152 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:33,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:33,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:33,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:33,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:33,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:33,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:33,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:33,200 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:56:33,200 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,200 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-12-22 06:56:33,261 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product28.cil.c-witness.graphml [2020-12-22 06:56:33,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:33,264 INFO L168 Benchmark]: Toolchain (without parser) took 3992.46 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 124.8 MB in the beginning and 132.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:33,264 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.3 MB in the end (delta: 435.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:33,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.25 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 103.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:33,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.28 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 100.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:33,266 INFO L168 Benchmark]: Boogie Preprocessor took 84.49 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 98.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:33,266 INFO L168 Benchmark]: RCFGBuilder took 1121.47 ms. Allocated memory is still 151.0 MB. Free memory was 98.6 MB in the beginning and 81.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:33,267 INFO L168 Benchmark]: TraceAbstraction took 1931.30 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 81.0 MB in the beginning and 138.8 MB in the end (delta: -57.8 MB). Peak memory consumption was 53.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:33,267 INFO L168 Benchmark]: Witness Printer took 115.01 ms. Allocated memory is still 182.5 MB. Free memory was 138.8 MB in the beginning and 132.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:33,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.3 MB in the end (delta: 435.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 645.25 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 103.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 85.28 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 100.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 84.49 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 98.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1121.47 ms. Allocated memory is still 151.0 MB. Free memory was 98.6 MB in the beginning and 81.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1931.30 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 81.0 MB in the beginning and 138.8 MB in the end (delta: -57.8 MB). Peak memory consumption was 53.4 MB. Max. memory is 8.0 GB. * Witness Printer took 115.01 ms. Allocated memory is still 182.5 MB. Free memory was 138.8 MB in the beginning and 132.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 478 SDslu, 266 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1603 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 386 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...