./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0335c6392c59c467837b14da92286fa43b99dfc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:22:27,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:27,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:27,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:27,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:27,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:27,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:27,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:27,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:27,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:27,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:27,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:27,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:27,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:27,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:27,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:27,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:27,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:27,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:27,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:27,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:27,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:27,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:27,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:27,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:27,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:27,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:27,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:27,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:27,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:27,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:27,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:27,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:27,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:27,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:27,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:27,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:27,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:27,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:27,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:27,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:27,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:27,199 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:27,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:27,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:27,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:27,203 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:27,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:27,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:27,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:27,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:27,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:27,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:27,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:27,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:27,206 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:27,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:27,206 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:27,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:27,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:27,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:27,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:27,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:27,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:27,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:27,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:27,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:27,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:27,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:27,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:27,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-11-28 00:22:27,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:27,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:27,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:27,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:27,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:27,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-28 00:22:27,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976104483/adc82b124ebe4ca7b24d694e666402a6/FLAGcd06044cd [2019-11-28 00:22:28,139 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:28,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-28 00:22:28,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976104483/adc82b124ebe4ca7b24d694e666402a6/FLAGcd06044cd [2019-11-28 00:22:28,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976104483/adc82b124ebe4ca7b24d694e666402a6 [2019-11-28 00:22:28,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:28,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:28,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:28,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:28,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:28,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:28" (1/1) ... [2019-11-28 00:22:28,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76344466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:28, skipping insertion in model container [2019-11-28 00:22:28,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:28" (1/1) ... [2019-11-28 00:22:28,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:28,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:28,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:28,938 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:29,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:29,110 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:29,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29 WrapperNode [2019-11-28 00:22:29,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:29,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:29,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:29,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:29,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:29,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:29,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:29,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:29,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:29,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:29,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:29,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:29,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (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 [2019-11-28 00:22:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:30,040 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:30,040 INFO L297 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 00:22:30,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30 BoogieIcfgContainer [2019-11-28 00:22:30,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:30,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:30,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:30,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:30,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:28" (1/3) ... [2019-11-28 00:22:30,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6703070f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:30, skipping insertion in model container [2019-11-28 00:22:30,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (2/3) ... [2019-11-28 00:22:30,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6703070f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:30, skipping insertion in model container [2019-11-28 00:22:30,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30" (3/3) ... [2019-11-28 00:22:30,058 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-11-28 00:22:30,069 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:30,076 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:30,087 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:30,112 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:30,112 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:30,112 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:30,112 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:30,112 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:30,113 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:30,113 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:30,113 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-28 00:22:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:22:30,138 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,139 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:30,139 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,145 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-11-28 00:22:30,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071155568] [2019-11-28 00:22:30,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:30,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071155568] [2019-11-28 00:22:30,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:30,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:30,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267528193] [2019-11-28 00:22:30,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:30,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:30,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:30,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:30,433 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-28 00:22:30,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:30,465 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-11-28 00:22:30,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:30,467 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:22:30,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:30,478 INFO L225 Difference]: With dead ends: 136 [2019-11-28 00:22:30,478 INFO L226 Difference]: Without dead ends: 67 [2019-11-28 00:22:30,481 INFO L630 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 [2019-11-28 00:22:30,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-28 00:22:30,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-11-28 00:22:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-28 00:22:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-11-28 00:22:30,525 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-11-28 00:22:30,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:30,526 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-11-28 00:22:30,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-11-28 00:22:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:22:30,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,528 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:30,528 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-11-28 00:22:30,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113147824] [2019-11-28 00:22:30,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:30,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113147824] [2019-11-28 00:22:30,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:30,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:30,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285502508] [2019-11-28 00:22:30,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:30,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:30,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:30,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:30,655 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-11-28 00:22:30,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:30,677 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-11-28 00:22:30,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:30,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:22:30,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:30,680 INFO L225 Difference]: With dead ends: 67 [2019-11-28 00:22:30,681 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 00:22:30,682 INFO L630 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 [2019-11-28 00:22:30,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 00:22:30,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 00:22:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:22:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-28 00:22:30,695 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-28 00:22:30,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:30,696 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-28 00:22:30,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-28 00:22:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:22:30,698 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,698 INFO L410 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] [2019-11-28 00:22:30,698 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,699 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-11-28 00:22:30,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753154793] [2019-11-28 00:22:30,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:30,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753154793] [2019-11-28 00:22:30,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:30,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:30,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431528879] [2019-11-28 00:22:30,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:30,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:30,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:30,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:30,843 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2019-11-28 00:22:30,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:30,947 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2019-11-28 00:22:30,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:22:30,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 00:22:30,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:30,952 INFO L225 Difference]: With dead ends: 83 [2019-11-28 00:22:30,953 INFO L226 Difference]: Without dead ends: 56 [2019-11-28 00:22:30,953 INFO L630 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 [2019-11-28 00:22:30,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-28 00:22:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2019-11-28 00:22:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-28 00:22:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-11-28 00:22:30,972 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-11-28 00:22:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:30,974 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-11-28 00:22:30,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-11-28 00:22:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 00:22:30,982 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,982 INFO L410 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] [2019-11-28 00:22:30,982 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,983 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-11-28 00:22:30,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371965610] [2019-11-28 00:22:30,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:31,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371965610] [2019-11-28 00:22:31,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:31,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:31,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960413592] [2019-11-28 00:22:31,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:31,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:31,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:31,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:31,139 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2019-11-28 00:22:31,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:31,256 INFO L93 Difference]: Finished difference Result 189 states and 287 transitions. [2019-11-28 00:22:31,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:22:31,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 00:22:31,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:31,259 INFO L225 Difference]: With dead ends: 189 [2019-11-28 00:22:31,259 INFO L226 Difference]: Without dead ends: 143 [2019-11-28 00:22:31,264 INFO L630 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 [2019-11-28 00:22:31,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-28 00:22:31,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 92. [2019-11-28 00:22:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-28 00:22:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2019-11-28 00:22:31,289 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 23 [2019-11-28 00:22:31,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:31,290 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2019-11-28 00:22:31,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2019-11-28 00:22:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:22:31,294 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:31,294 INFO L410 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] [2019-11-28 00:22:31,294 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:31,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:31,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2019-11-28 00:22:31,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:31,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229470749] [2019-11-28 00:22:31,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:31,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229470749] [2019-11-28 00:22:31,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:31,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:31,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567340727] [2019-11-28 00:22:31,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:31,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:31,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:31,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:31,417 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand 5 states. [2019-11-28 00:22:31,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:31,499 INFO L93 Difference]: Finished difference Result 232 states and 343 transitions. [2019-11-28 00:22:31,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:31,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 00:22:31,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:31,501 INFO L225 Difference]: With dead ends: 232 [2019-11-28 00:22:31,501 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:31,503 INFO L630 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 [2019-11-28 00:22:31,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:31,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:31,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:31,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:31,504 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-28 00:22:31,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:31,505 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:31,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:31,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:31,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:32,008 INFO L246 CegarLoopResult]: For program point L828(lines 827 876) no Hoare annotation was computed. [2019-11-28 00:22:32,008 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-11-28 00:22:32,009 INFO L242 CegarLoopResult]: At program point L151(lines 1 893) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:32,009 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-11-28 00:22:32,009 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-11-28 00:22:32,009 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-11-28 00:22:32,009 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:32,009 INFO L246 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2019-11-28 00:22:32,009 INFO L246 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-11-28 00:22:32,014 INFO L242 CegarLoopResult]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,014 INFO L246 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-11-28 00:22:32,014 INFO L242 CegarLoopResult]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,015 INFO L242 CegarLoopResult]: At program point L121(lines 116 124) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,015 INFO L242 CegarLoopResult]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-11-28 00:22:32,015 INFO L242 CegarLoopResult]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-11-28 00:22:32,015 INFO L246 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-11-28 00:22:32,016 INFO L242 CegarLoopResult]: At program point L865-1(lines 668 674) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,016 INFO L246 CegarLoopResult]: For program point L700(lines 700 717) no Hoare annotation was computed. [2019-11-28 00:22:32,016 INFO L246 CegarLoopResult]: For program point L700-1(lines 700 717) no Hoare annotation was computed. [2019-11-28 00:22:32,016 INFO L246 CegarLoopResult]: For program point L700-2(lines 700 717) no Hoare annotation was computed. [2019-11-28 00:22:32,016 INFO L242 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-11-28 00:22:32,017 INFO L242 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-11-28 00:22:32,018 INFO L242 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-11-28 00:22:32,018 INFO L242 CegarLoopResult]: At program point L668(lines 667 686) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,018 INFO L246 CegarLoopResult]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2019-11-28 00:22:32,018 INFO L242 CegarLoopResult]: At program point L668-2(lines 667 686) the Hoare annotation is: false [2019-11-28 00:22:32,019 INFO L242 CegarLoopResult]: At program point L668-3(lines 667 686) the Hoare annotation is: false [2019-11-28 00:22:32,019 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:32,020 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-11-28 00:22:32,020 INFO L242 CegarLoopResult]: At program point L753(lines 748 756) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,021 INFO L242 CegarLoopResult]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2019-11-28 00:22:32,021 INFO L242 CegarLoopResult]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2019-11-28 00:22:32,022 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-11-28 00:22:32,022 INFO L249 CegarLoopResult]: At program point L258(lines 239 261) the Hoare annotation is: true [2019-11-28 00:22:32,022 INFO L242 CegarLoopResult]: At program point L225(lines 221 227) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:32,023 INFO L246 CegarLoopResult]: For program point L704(lines 704 712) no Hoare annotation was computed. [2019-11-28 00:22:32,023 INFO L242 CegarLoopResult]: At program point L159(lines 154 162) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:32,023 INFO L246 CegarLoopResult]: For program point L704-1(lines 704 712) no Hoare annotation was computed. [2019-11-28 00:22:32,026 INFO L246 CegarLoopResult]: For program point L704-2(lines 704 712) no Hoare annotation was computed. [2019-11-28 00:22:32,027 INFO L242 CegarLoopResult]: At program point L176-2(lines 176 190) the Hoare annotation is: false [2019-11-28 00:22:32,028 INFO L246 CegarLoopResult]: For program point L837(lines 837 843) no Hoare annotation was computed. [2019-11-28 00:22:32,028 INFO L242 CegarLoopResult]: At program point L837-1(lines 837 843) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,029 INFO L246 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2019-11-28 00:22:32,029 INFO L242 CegarLoopResult]: At program point L639-1(lines 1 893) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,030 INFO L246 CegarLoopResult]: For program point L639-2(lines 639 652) no Hoare annotation was computed. [2019-11-28 00:22:32,030 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:32,030 INFO L242 CegarLoopResult]: At program point L639-3(lines 1 893) the Hoare annotation is: false [2019-11-28 00:22:32,030 INFO L246 CegarLoopResult]: For program point L639-4(lines 639 652) no Hoare annotation was computed. [2019-11-28 00:22:32,031 INFO L242 CegarLoopResult]: At program point L639-5(lines 1 893) the Hoare annotation is: false [2019-11-28 00:22:32,031 INFO L246 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-28 00:22:32,032 INFO L242 CegarLoopResult]: At program point L675(lines 675 681) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,032 INFO L242 CegarLoopResult]: At program point L675-1(lines 675 681) the Hoare annotation is: false [2019-11-28 00:22:32,033 INFO L242 CegarLoopResult]: At program point L675-2(lines 675 681) the Hoare annotation is: false [2019-11-28 00:22:32,033 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-28 00:22:32,034 INFO L246 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2019-11-28 00:22:32,034 INFO L246 CegarLoopResult]: For program point L857(lines 857 872) no Hoare annotation was computed. [2019-11-28 00:22:32,034 INFO L246 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2019-11-28 00:22:32,034 INFO L246 CegarLoopResult]: For program point L890-2(line 890) no Hoare annotation was computed. [2019-11-28 00:22:32,034 INFO L246 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-28 00:22:32,035 INFO L246 CegarLoopResult]: For program point L180-1(lines 668 674) no Hoare annotation was computed. [2019-11-28 00:22:32,035 INFO L246 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-28 00:22:32,035 INFO L246 CegarLoopResult]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2019-11-28 00:22:32,036 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:32,036 INFO L246 CegarLoopResult]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2019-11-28 00:22:32,036 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-11-28 00:22:32,037 INFO L242 CegarLoopResult]: At program point L744(lines 737 747) the Hoare annotation is: false [2019-11-28 00:22:32,037 INFO L242 CegarLoopResult]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2019-11-28 00:22:32,037 INFO L242 CegarLoopResult]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2019-11-28 00:22:32,037 INFO L246 CegarLoopResult]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-11-28 00:22:32,038 INFO L249 CegarLoopResult]: At program point L249-1(lines 249 256) the Hoare annotation is: true [2019-11-28 00:22:32,038 INFO L242 CegarLoopResult]: At program point L877(lines 826 878) the Hoare annotation is: false [2019-11-28 00:22:32,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:32 BoogieIcfgContainer [2019-11-28 00:22:32,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:32,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:32,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:32,088 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:32,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30" (3/4) ... [2019-11-28 00:22:32,093 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:32,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:32,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:32,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:32,113 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:32,113 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:32,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:32,115 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:32,146 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 00:22:32,147 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 00:22:32,147 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,147 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,148 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,148 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,151 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,230 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:32,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:32,233 INFO L168 Benchmark]: Toolchain (without parser) took 3801.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.3 MB in the beginning and 899.1 MB in the end (delta: 61.2 MB). Peak memory consumption was 205.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,234 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:32,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,235 INFO L168 Benchmark]: Boogie Preprocessor took 47.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:32,236 INFO L168 Benchmark]: RCFGBuilder took 811.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,237 INFO L168 Benchmark]: TraceAbstraction took 2041.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.9 MB in the end (delta: 154.4 MB). Peak memory consumption was 154.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,237 INFO L168 Benchmark]: Witness Printer took 144.05 ms. Allocated memory is still 1.2 GB. Free memory was 905.9 MB in the beginning and 899.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 678.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 811.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2041.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.9 MB in the end (delta: 154.4 MB). Peak memory consumption was 154.4 MB. Max. memory is 11.5 GB. * Witness Printer took 144.05 ms. Allocated memory is still 1.2 GB. Free memory was 905.9 MB in the beginning and 899.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 308 SDtfs, 451 SDslu, 258 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=92occurred 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, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1716 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 273 FormulaSimplificationTreeSizeReductionInter, 0.3s 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...