/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_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:24,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:24,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:24,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:24,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:24,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:24,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:24,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:24,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:24,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:24,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:24,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:24,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:24,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:24,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:24,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:24,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:24,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:24,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:24,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:24,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:24,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:24,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:24,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:24,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:24,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:24,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:24,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:24,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:24,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:24,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:24,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:24,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:24,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:24,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:24,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:24,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:24,349 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:24,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:24,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:24,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:24,356 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:24,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:24,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:24,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:24,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:24,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:24,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:24,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:24,359 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:24,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:24,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:24,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:24,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:24,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:24,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:24,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:24,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:24,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:24,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:24,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:24,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:24,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:24,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:24,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:24,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:24,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:24,790 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:24,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2020-12-22 06:56:24,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91e1d5fc/472fa57714734650a9080da876db35e6/FLAGadfd6c920 [2020-12-22 06:56:25,648 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:25,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2020-12-22 06:56:25,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91e1d5fc/472fa57714734650a9080da876db35e6/FLAGadfd6c920 [2020-12-22 06:56:25,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91e1d5fc/472fa57714734650a9080da876db35e6 [2020-12-22 06:56:25,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:25,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:25,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:25,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:25,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:25,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:25" (1/1) ... [2020-12-22 06:56:25,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4efeaecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:25, skipping insertion in model container [2020-12-22 06:56:25,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:25" (1/1) ... [2020-12-22 06:56:25,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:26,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:26,266 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_product21.cil.c[4740,4753] [2020-12-22 06:56:26,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:26,447 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:26,502 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_product21.cil.c[4740,4753] [2020-12-22 06:56:26,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:26,582 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:26,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26 WrapperNode [2020-12-22 06:56:26,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:26,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:26,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:26,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:26,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:26,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:26,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:26,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:26,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:26,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:26,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:26,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:26,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (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 06:56:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:28,033 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:28,034 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2020-12-22 06:56:28,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28 BoogieIcfgContainer [2020-12-22 06:56:28,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:28,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:28,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:28,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:28,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:25" (1/3) ... [2020-12-22 06:56:28,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea30f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:28, skipping insertion in model container [2020-12-22 06:56:28,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26" (2/3) ... [2020-12-22 06:56:28,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea30f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:28, skipping insertion in model container [2020-12-22 06:56:28,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28" (3/3) ... [2020-12-22 06:56:28,050 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2020-12-22 06:56:28,058 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:28,069 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:28,093 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:28,145 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:28,145 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:28,145 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:28,145 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:28,148 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:28,148 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:28,149 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:28,149 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-12-22 06:56:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:28,192 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:28,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:28,194 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:28,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:28,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2020-12-22 06:56:28,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:28,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021926552] [2020-12-22 06:56:28,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:28,634 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 06:56:28,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021926552] [2020-12-22 06:56:28,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:28,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:28,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975687135] [2020-12-22 06:56:28,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:28,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:28,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:28,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:28,661 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2020-12-22 06:56:28,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:28,696 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2020-12-22 06:56:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:28,698 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:28,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:28,711 INFO L225 Difference]: With dead ends: 204 [2020-12-22 06:56:28,711 INFO L226 Difference]: Without dead ends: 101 [2020-12-22 06:56:28,715 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 06:56:28,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-22 06:56:28,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-12-22 06:56:28,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-22 06:56:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-12-22 06:56:28,787 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-12-22 06:56:28,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:28,788 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-12-22 06:56:28,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-12-22 06:56:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:28,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:28,790 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 06:56:28,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:28,790 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:28,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:28,792 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2020-12-22 06:56:28,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:28,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169288197] [2020-12-22 06:56:28,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:28,887 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 06:56:28,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169288197] [2020-12-22 06:56:28,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:28,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:28,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649448869] [2020-12-22 06:56:28,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:28,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:28,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:28,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:28,898 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-12-22 06:56:28,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:28,928 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-12-22 06:56:28,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:28,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:28,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:28,931 INFO L225 Difference]: With dead ends: 101 [2020-12-22 06:56:28,932 INFO L226 Difference]: Without dead ends: 43 [2020-12-22 06:56:28,934 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 06:56:28,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-22 06:56:28,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-22 06:56:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-22 06:56:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-12-22 06:56:28,953 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-12-22 06:56:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:28,955 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-12-22 06:56:28,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-12-22 06:56:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:28,957 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:28,957 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 06:56:28,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:28,958 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:28,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:28,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2020-12-22 06:56:28,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:28,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303493994] [2020-12-22 06:56:28,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,064 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 06:56:29,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303493994] [2020-12-22 06:56:29,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:29,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288785013] [2020-12-22 06:56:29,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:29,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:29,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:29,068 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2020-12-22 06:56:29,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,077 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-12-22 06:56:29,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:29,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:29,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,079 INFO L225 Difference]: With dead ends: 80 [2020-12-22 06:56:29,079 INFO L226 Difference]: Without dead ends: 43 [2020-12-22 06:56:29,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 06:56:29,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-22 06:56:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-22 06:56:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-22 06:56:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-12-22 06:56:29,086 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-12-22 06:56:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,086 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-12-22 06:56:29,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-12-22 06:56:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:29,088 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,088 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 06:56:29,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:29,088 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2020-12-22 06:56:29,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613281230] [2020-12-22 06:56:29,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,228 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 06:56:29,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613281230] [2020-12-22 06:56:29,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:29,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450272986] [2020-12-22 06:56:29,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:29,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:29,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:29,234 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 6 states. [2020-12-22 06:56:29,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,567 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2020-12-22 06:56:29,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:56:29,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 06:56:29,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,571 INFO L225 Difference]: With dead ends: 286 [2020-12-22 06:56:29,571 INFO L226 Difference]: Without dead ends: 249 [2020-12-22 06:56:29,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:56:29,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-12-22 06:56:29,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 75. [2020-12-22 06:56:29,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:56:29,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 107 transitions. [2020-12-22 06:56:29,588 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 107 transitions. Word has length 24 [2020-12-22 06:56:29,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,589 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 107 transitions. [2020-12-22 06:56:29,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:29,589 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2020-12-22 06:56:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:29,590 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,590 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 06:56:29,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:29,591 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1032359194, now seen corresponding path program 1 times [2020-12-22 06:56:29,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008046745] [2020-12-22 06:56:29,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,659 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 06:56:29,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008046745] [2020-12-22 06:56:29,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:29,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880292643] [2020-12-22 06:56:29,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:29,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:29,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:29,662 INFO L87 Difference]: Start difference. First operand 75 states and 107 transitions. Second operand 5 states. [2020-12-22 06:56:29,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,753 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2020-12-22 06:56:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:29,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:56:29,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,754 INFO L225 Difference]: With dead ends: 174 [2020-12-22 06:56:29,754 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:29,755 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 06:56:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:29,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:29,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:56:29,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,757 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:29,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:29,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:29,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:29,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:29,995 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 302) no Hoare annotation was computed. [2020-12-22 06:56:29,995 INFO L185 CegarLoopUtils]: At program point L698(lines 1 921) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:29,995 INFO L189 CegarLoopUtils]: For program point L302(line 302) no Hoare annotation was computed. [2020-12-22 06:56:29,996 INFO L189 CegarLoopUtils]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-12-22 06:56:29,996 INFO L189 CegarLoopUtils]: For program point L302-2(line 302) no Hoare annotation was computed. [2020-12-22 06:56:29,996 INFO L185 CegarLoopUtils]: At program point L170(lines 165 173) 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 06:56:29,996 INFO L185 CegarLoopUtils]: At program point L170-1(lines 165 173) the Hoare annotation is: false [2020-12-22 06:56:29,996 INFO L185 CegarLoopUtils]: At program point L170-2(lines 165 173) the Hoare annotation is: false [2020-12-22 06:56:29,996 INFO L189 CegarLoopUtils]: For program point L864(lines 864 868) no Hoare annotation was computed. [2020-12-22 06:56:29,997 INFO L189 CegarLoopUtils]: For program point L273(lines 273 284) no Hoare annotation was computed. [2020-12-22 06:56:29,997 INFO L192 CegarLoopUtils]: At program point L802(lines 783 805) the Hoare annotation is: true [2020-12-22 06:56:29,997 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 302) no Hoare annotation was computed. [2020-12-22 06:56:29,997 INFO L185 CegarLoopUtils]: At program point L770(lines 766 772) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:29,997 INFO L185 CegarLoopUtils]: At program point L706(lines 701 709) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:29,998 INFO L189 CegarLoopUtils]: For program point L244(lines 243 288) no Hoare annotation was computed. [2020-12-22 06:56:29,998 INFO L189 CegarLoopUtils]: For program point L245(lines 245 249) no Hoare annotation was computed. [2020-12-22 06:56:29,998 INFO L189 CegarLoopUtils]: For program point L840(lines 840 844) no Hoare annotation was computed. [2020-12-22 06:56:29,998 INFO L189 CegarLoopUtils]: For program point L840-3(lines 840 844) no Hoare annotation was computed. [2020-12-22 06:56:29,998 INFO L189 CegarLoopUtils]: For program point L840-6(lines 840 844) no Hoare annotation was computed. [2020-12-22 06:56:29,998 INFO L189 CegarLoopUtils]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-12-22 06:56:29,998 INFO L189 CegarLoopUtils]: For program point L279-2(lines 59 65) no Hoare annotation was computed. [2020-12-22 06:56:29,999 INFO L185 CegarLoopUtils]: At program point L909(lines 904 912) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:29,999 INFO L185 CegarLoopUtils]: At program point L909-1(lines 904 912) the Hoare annotation is: false [2020-12-22 06:56:29,999 INFO L185 CegarLoopUtils]: At program point L909-2(lines 904 912) the Hoare annotation is: false [2020-12-22 06:56:29,999 INFO L189 CegarLoopUtils]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-12-22 06:56:29,999 INFO L189 CegarLoopUtils]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2020-12-22 06:56:29,999 INFO L189 CegarLoopUtils]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2020-12-22 06:56:30,000 INFO L185 CegarLoopUtils]: At program point L877(lines 872 880) the Hoare annotation is: false [2020-12-22 06:56:30,000 INFO L185 CegarLoopUtils]: At program point L877-1(lines 872 880) the Hoare annotation is: false [2020-12-22 06:56:30,000 INFO L185 CegarLoopUtils]: At program point L877-2(lines 872 880) the Hoare annotation is: false [2020-12-22 06:56:30,000 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,000 INFO L189 CegarLoopUtils]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,001 INFO L189 CegarLoopUtils]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,001 INFO L189 CegarLoopUtils]: For program point L219-3(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,001 INFO L189 CegarLoopUtils]: For program point L219-5(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,001 INFO L189 CegarLoopUtils]: For program point L219-6(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,001 INFO L189 CegarLoopUtils]: For program point L219-8(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,001 INFO L189 CegarLoopUtils]: For program point L219-9(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,001 INFO L189 CegarLoopUtils]: For program point L219-11(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,002 INFO L189 CegarLoopUtils]: For program point L219-12(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,002 INFO L189 CegarLoopUtils]: For program point L219-14(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,002 INFO L189 CegarLoopUtils]: For program point L219-15(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,002 INFO L189 CegarLoopUtils]: For program point L219-17(lines 219 223) no Hoare annotation was computed. [2020-12-22 06:56:30,002 INFO L189 CegarLoopUtils]: For program point L253(lines 253 259) no Hoare annotation was computed. [2020-12-22 06:56:30,002 INFO L185 CegarLoopUtils]: At program point L253-1(lines 253 259) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,003 INFO L189 CegarLoopUtils]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-12-22 06:56:30,003 INFO L189 CegarLoopUtils]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2020-12-22 06:56:30,003 INFO L189 CegarLoopUtils]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2020-12-22 06:56:30,003 INFO L189 CegarLoopUtils]: For program point L816(lines 816 829) no Hoare annotation was computed. [2020-12-22 06:56:30,003 INFO L185 CegarLoopUtils]: At program point L816-1(lines 1 921) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,003 INFO L189 CegarLoopUtils]: For program point L816-2(lines 816 829) no Hoare annotation was computed. [2020-12-22 06:56:30,004 INFO L185 CegarLoopUtils]: At program point L816-3(lines 1 921) the Hoare annotation is: false [2020-12-22 06:56:30,004 INFO L189 CegarLoopUtils]: For program point L816-4(lines 816 829) no Hoare annotation was computed. [2020-12-22 06:56:30,004 INFO L185 CegarLoopUtils]: At program point L816-5(lines 1 921) the Hoare annotation is: false [2020-12-22 06:56:30,004 INFO L185 CegarLoopUtils]: At program point L289(lines 242 290) the Hoare annotation is: false [2020-12-22 06:56:30,004 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,004 INFO L189 CegarLoopUtils]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-12-22 06:56:30,004 INFO L189 CegarLoopUtils]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2020-12-22 06:56:30,005 INFO L189 CegarLoopUtils]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2020-12-22 06:56:30,005 INFO L189 CegarLoopUtils]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2020-12-22 06:56:30,005 INFO L189 CegarLoopUtils]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2020-12-22 06:56:30,005 INFO L189 CegarLoopUtils]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2020-12-22 06:56:30,005 INFO L185 CegarLoopUtils]: At program point L59(lines 58 77) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,005 INFO L189 CegarLoopUtils]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-12-22 06:56:30,006 INFO L185 CegarLoopUtils]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-12-22 06:56:30,006 INFO L185 CegarLoopUtils]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-12-22 06:56:30,006 INFO L185 CegarLoopUtils]: At program point L918(lines 913 921) the Hoare annotation is: false [2020-12-22 06:56:30,006 INFO L185 CegarLoopUtils]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2020-12-22 06:56:30,006 INFO L189 CegarLoopUtils]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-12-22 06:56:30,006 INFO L185 CegarLoopUtils]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2020-12-22 06:56:30,007 INFO L185 CegarLoopUtils]: At program point L918-3(lines 913 921) the Hoare annotation is: false [2020-12-22 06:56:30,007 INFO L185 CegarLoopUtils]: At program point L918-4(lines 913 921) the Hoare annotation is: false [2020-12-22 06:56:30,007 INFO L185 CegarLoopUtils]: At program point L918-5(lines 913 921) the Hoare annotation is: false [2020-12-22 06:56:30,007 INFO L185 CegarLoopUtils]: At program point L225(lines 210 228) the Hoare annotation is: false [2020-12-22 06:56:30,007 INFO L185 CegarLoopUtils]: At program point L225-1(lines 210 228) the Hoare annotation is: false [2020-12-22 06:56:30,007 INFO L185 CegarLoopUtils]: At program point L225-2(lines 210 228) the Hoare annotation is: false [2020-12-22 06:56:30,007 INFO L185 CegarLoopUtils]: At program point L225-3(lines 210 228) the Hoare annotation is: false [2020-12-22 06:56:30,008 INFO L185 CegarLoopUtils]: At program point L225-4(lines 210 228) the Hoare annotation is: false [2020-12-22 06:56:30,008 INFO L185 CegarLoopUtils]: At program point L225-5(lines 210 228) the Hoare annotation is: false [2020-12-22 06:56:30,008 INFO L189 CegarLoopUtils]: For program point L820(lines 820 826) no Hoare annotation was computed. [2020-12-22 06:56:30,008 INFO L189 CegarLoopUtils]: For program point L820-2(lines 820 826) no Hoare annotation was computed. [2020-12-22 06:56:30,008 INFO L189 CegarLoopUtils]: For program point L820-4(lines 820 826) no Hoare annotation was computed. [2020-12-22 06:56:30,008 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,008 INFO L185 CegarLoopUtils]: At program point L722-2(lines 722 736) the Hoare annotation is: false [2020-12-22 06:56:30,009 INFO L185 CegarLoopUtils]: At program point L161(lines 154 164) the Hoare annotation is: false [2020-12-22 06:56:30,009 INFO L185 CegarLoopUtils]: At program point L161-1(lines 154 164) the Hoare annotation is: false [2020-12-22 06:56:30,009 INFO L189 CegarLoopUtils]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-12-22 06:56:30,009 INFO L185 CegarLoopUtils]: At program point L161-2(lines 154 164) the Hoare annotation is: false [2020-12-22 06:56:30,009 INFO L189 CegarLoopUtils]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2020-12-22 06:56:30,009 INFO L189 CegarLoopUtils]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2020-12-22 06:56:30,010 INFO L189 CegarLoopUtils]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2020-12-22 06:56:30,010 INFO L189 CegarLoopUtils]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2020-12-22 06:56:30,010 INFO L189 CegarLoopUtils]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2020-12-22 06:56:30,010 INFO L189 CegarLoopUtils]: For program point L723(line 723) no Hoare annotation was computed. [2020-12-22 06:56:30,010 INFO L189 CegarLoopUtils]: For program point L263(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:56:30,010 INFO L185 CegarLoopUtils]: At program point L263-1(lines 263 269) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,010 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,011 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 302) no Hoare annotation was computed. [2020-12-22 06:56:30,011 INFO L189 CegarLoopUtils]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-12-22 06:56:30,011 INFO L189 CegarLoopUtils]: For program point L726-1(lines 59 65) no Hoare annotation was computed. [2020-12-22 06:56:30,011 INFO L185 CegarLoopUtils]: At program point L66(lines 66 72) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,011 INFO L185 CegarLoopUtils]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-12-22 06:56:30,011 INFO L185 CegarLoopUtils]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-12-22 06:56:30,011 INFO L189 CegarLoopUtils]: For program point L793(lines 793 800) no Hoare annotation was computed. [2020-12-22 06:56:30,012 INFO L192 CegarLoopUtils]: At program point L793-1(lines 793 800) the Hoare annotation is: true [2020-12-22 06:56:30,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:30 BoogieIcfgContainer [2020-12-22 06:56:30,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:30,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:30,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:30,033 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:30,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28" (3/4) ... [2020-12-22 06:56:30,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:30,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:30,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:30,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:30,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:30,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:30,062 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:30,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:30,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:56:30,201 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product21.cil.c-witness.graphml [2020-12-22 06:56:30,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:30,203 INFO L168 Benchmark]: Toolchain (without parser) took 4245.56 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 125.7 MB in the beginning and 116.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 45.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,204 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 123.1 MB in the end (delta: 96.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:30,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.14 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.20 ms. Allocated memory is still 151.0 MB. Free memory was 104.4 MB in the beginning and 133.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,206 INFO L168 Benchmark]: Boogie Preprocessor took 108.33 ms. Allocated memory is still 151.0 MB. Free memory was 133.2 MB in the beginning and 130.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,206 INFO L168 Benchmark]: RCFGBuilder took 1217.66 ms. Allocated memory is still 151.0 MB. Free memory was 130.4 MB in the beginning and 70.1 MB in the end (delta: 60.3 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,207 INFO L168 Benchmark]: TraceAbstraction took 1994.26 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 69.6 MB in the beginning and 125.1 MB in the end (delta: -55.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:30,207 INFO L168 Benchmark]: Witness Printer took 167.91 ms. Allocated memory is still 185.6 MB. Free memory was 125.1 MB in the beginning and 116.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 123.1 MB in the end (delta: 96.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 622.14 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 120.20 ms. Allocated memory is still 151.0 MB. Free memory was 104.4 MB in the beginning and 133.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 108.33 ms. Allocated memory is still 151.0 MB. Free memory was 133.2 MB in the beginning and 130.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1217.66 ms. Allocated memory is still 151.0 MB. Free memory was 130.4 MB in the beginning and 70.1 MB in the end (delta: 60.3 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1994.26 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 69.6 MB in the beginning and 125.1 MB in the end (delta: -55.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 167.91 ms. Allocated memory is still 185.6 MB. Free memory was 125.1 MB in the beginning and 116.2 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: 302]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 302]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 302]: 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 405 SDtfs, 532 SDslu, 563 SDs, 0 SdLazy, 118 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s 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, 174 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 78 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1809 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 12 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, 4860 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...