./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec2_product13.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 018c197bde290ca741273d5f329501cc0843a1bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:05:12,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:12,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:12,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:12,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:12,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:12,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:12,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:12,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:12,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:12,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:12,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:12,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:12,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:12,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:12,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:12,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:12,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:12,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:12,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:12,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:12,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:12,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:12,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:12,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:12,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:12,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:12,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:12,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:12,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:12,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:12,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:12,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:12,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:12,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:12,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:12,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:12,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:12,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:12,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:12,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:12,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:12,599 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:12,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:12,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:12,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:12,606 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:12,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:12,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:12,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:12,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:12,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:12,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:12,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:12,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:12,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:12,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:12,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:12,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:12,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:12,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:12,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:12,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:12,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:12,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:12,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:12,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:12,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:12,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:12,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:12,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:12,614 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 018c197bde290ca741273d5f329501cc0843a1bb [2020-10-25 23:05:13,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:13,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:13,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:13,108 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:13,109 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:13,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2020-10-25 23:05:13,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226689b52/355c1a640e864b71b7d436a9f70173bd/FLAG41b3f291f [2020-10-25 23:05:13,866 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:13,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2020-10-25 23:05:13,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226689b52/355c1a640e864b71b7d436a9f70173bd/FLAG41b3f291f [2020-10-25 23:05:14,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226689b52/355c1a640e864b71b7d436a9f70173bd [2020-10-25 23:05:14,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:14,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:14,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:14,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:14,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:14,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b92674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14, skipping insertion in model container [2020-10-25 23:05:14,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:14,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:14,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:14,713 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:14,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:14,896 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:14,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14 WrapperNode [2020-10-25 23:05:14,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:14,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:14,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:14,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:14,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:14,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:15,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:15,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:15,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:15,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:15,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:15,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:15,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:15,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:15,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:15,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:15,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (1/1) ... [2020-10-25 23:05:15,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:15,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:15,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:15,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:15,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (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 [2020-10-25 23:05:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:16,257 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:16,258 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-25 23:05:16,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:16 BoogieIcfgContainer [2020-10-25 23:05:16,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:16,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:16,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:16,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:16,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:14" (1/3) ... [2020-10-25 23:05:16,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfc4d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:16, skipping insertion in model container [2020-10-25 23:05:16,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:14" (2/3) ... [2020-10-25 23:05:16,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfc4d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:16, skipping insertion in model container [2020-10-25 23:05:16,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:16" (3/3) ... [2020-10-25 23:05:16,276 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2020-10-25 23:05:16,290 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:16,296 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:16,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:16,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:16,358 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:16,358 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:16,359 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:16,359 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:16,359 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:16,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:16,359 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-10-25 23:05:16,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:16,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:16,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:16,392 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:16,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:16,401 INFO L82 PathProgramCache]: Analyzing trace with hash -640056572, now seen corresponding path program 1 times [2020-10-25 23:05:16,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:16,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019895344] [2020-10-25 23:05:16,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:16,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019895344] [2020-10-25 23:05:16,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:16,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:16,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995744805] [2020-10-25 23:05:16,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:16,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:16,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:16,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:16,815 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-10-25 23:05:16,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:16,868 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-10-25 23:05:16,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:16,870 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:16,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:16,893 INFO L225 Difference]: With dead ends: 142 [2020-10-25 23:05:16,893 INFO L226 Difference]: Without dead ends: 69 [2020-10-25 23:05:16,911 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 [2020-10-25 23:05:16,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-25 23:05:16,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-25 23:05:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-25 23:05:16,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2020-10-25 23:05:16,978 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2020-10-25 23:05:16,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:16,979 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2020-10-25 23:05:16,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-10-25 23:05:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:16,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:16,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:16,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:16,984 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:16,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:16,989 INFO L82 PathProgramCache]: Analyzing trace with hash -858892541, now seen corresponding path program 1 times [2020-10-25 23:05:16,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:16,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46478427] [2020-10-25 23:05:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:17,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46478427] [2020-10-25 23:05:17,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:17,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:17,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327520433] [2020-10-25 23:05:17,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:17,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:17,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:17,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:17,144 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 3 states. [2020-10-25 23:05:17,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:17,157 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-10-25 23:05:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:17,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:17,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:17,158 INFO L225 Difference]: With dead ends: 69 [2020-10-25 23:05:17,158 INFO L226 Difference]: Without dead ends: 33 [2020-10-25 23:05:17,160 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 [2020-10-25 23:05:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-25 23:05:17,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-25 23:05:17,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-25 23:05:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-25 23:05:17,165 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-10-25 23:05:17,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:17,166 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-25 23:05:17,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-25 23:05:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:17,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:17,167 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] [2020-10-25 23:05:17,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:17,168 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:17,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:17,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2020-10-25 23:05:17,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:17,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872527499] [2020-10-25 23:05:17,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:17,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872527499] [2020-10-25 23:05:17,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:17,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:17,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233884948] [2020-10-25 23:05:17,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:17,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:17,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:17,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:17,295 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-10-25 23:05:17,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:17,516 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2020-10-25 23:05:17,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:17,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-25 23:05:17,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:17,518 INFO L225 Difference]: With dead ends: 59 [2020-10-25 23:05:17,518 INFO L226 Difference]: Without dead ends: 33 [2020-10-25 23:05:17,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-25 23:05:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-25 23:05:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-25 23:05:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-10-25 23:05:17,525 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-10-25 23:05:17,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:17,526 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-10-25 23:05:17,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-10-25 23:05:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:17,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:17,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:17,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:17,528 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:17,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2020-10-25 23:05:17,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:17,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083281297] [2020-10-25 23:05:17,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:17,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083281297] [2020-10-25 23:05:17,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:17,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:17,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172753106] [2020-10-25 23:05:17,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:17,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:17,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:17,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:17,666 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-10-25 23:05:17,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:17,808 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-10-25 23:05:17,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:17,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:17,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:17,810 INFO L225 Difference]: With dead ends: 135 [2020-10-25 23:05:17,811 INFO L226 Difference]: Without dead ends: 109 [2020-10-25 23:05:17,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:17,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-25 23:05:17,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2020-10-25 23:05:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-25 23:05:17,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2020-10-25 23:05:17,823 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2020-10-25 23:05:17,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:17,824 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2020-10-25 23:05:17,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2020-10-25 23:05:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:17,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:17,825 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, 1] [2020-10-25 23:05:17,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:17,826 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:17,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2020-10-25 23:05:17,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:17,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338684660] [2020-10-25 23:05:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:17,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338684660] [2020-10-25 23:05:17,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:17,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:17,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963485757] [2020-10-25 23:05:17,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:17,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:17,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:17,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:17,911 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2020-10-25 23:05:17,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:17,974 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2020-10-25 23:05:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:17,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:17,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:17,975 INFO L225 Difference]: With dead ends: 146 [2020-10-25 23:05:17,976 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:17,977 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 [2020-10-25 23:05:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:17,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:17,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:17,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:17,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-25 23:05:17,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:17,978 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:17,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:17,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:17,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:17,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:17,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:18,396 INFO L277 CegarLoopResult]: At program point L894(lines 875 897) the Hoare annotation is: true [2020-10-25 23:05:18,397 INFO L270 CegarLoopResult]: At program point L861(lines 857 863) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,397 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:18,397 INFO L274 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-10-25 23:05:18,397 INFO L270 CegarLoopResult]: At program point L135(lines 134 153) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,397 INFO L270 CegarLoopResult]: At program point L102(lines 55 103) the Hoare annotation is: false [2020-10-25 23:05:18,398 INFO L274 CegarLoopResult]: For program point L135-1(lines 135 141) no Hoare annotation was computed. [2020-10-25 23:05:18,398 INFO L270 CegarLoopResult]: At program point L135-2(lines 134 153) the Hoare annotation is: false [2020-10-25 23:05:18,399 INFO L270 CegarLoopResult]: At program point L135-3(lines 134 153) the Hoare annotation is: false [2020-10-25 23:05:18,399 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:18,399 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:18,399 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:18,399 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:18,399 INFO L274 CegarLoopResult]: For program point L86(lines 86 97) no Hoare annotation was computed. [2020-10-25 23:05:18,401 INFO L274 CegarLoopResult]: For program point L780(lines 780 797) no Hoare annotation was computed. [2020-10-25 23:05:18,401 INFO L270 CegarLoopResult]: At program point L780-1(lines 1 897) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,401 INFO L270 CegarLoopResult]: At program point L813-2(lines 813 827) the Hoare annotation is: false [2020-10-25 23:05:18,401 INFO L274 CegarLoopResult]: For program point L780-2(lines 780 797) no Hoare annotation was computed. [2020-10-25 23:05:18,402 INFO L270 CegarLoopResult]: At program point L780-3(lines 1 897) the Hoare annotation is: false [2020-10-25 23:05:18,402 INFO L274 CegarLoopResult]: For program point L780-4(lines 780 797) no Hoare annotation was computed. [2020-10-25 23:05:18,402 INFO L270 CegarLoopResult]: At program point L780-5(lines 1 897) the Hoare annotation is: false [2020-10-25 23:05:18,402 INFO L274 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-10-25 23:05:18,402 INFO L270 CegarLoopResult]: At program point L237(lines 232 240) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,402 INFO L270 CegarLoopResult]: At program point L237-1(lines 232 240) the Hoare annotation is: false [2020-10-25 23:05:18,403 INFO L274 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-10-25 23:05:18,403 INFO L270 CegarLoopResult]: At program point L237-2(lines 232 240) the Hoare annotation is: false [2020-10-25 23:05:18,403 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 179) no Hoare annotation was computed. [2020-10-25 23:05:18,403 INFO L274 CegarLoopResult]: For program point L171-2(lines 171 179) no Hoare annotation was computed. [2020-10-25 23:05:18,404 INFO L274 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-10-25 23:05:18,404 INFO L274 CegarLoopResult]: For program point L57(lines 56 101) no Hoare annotation was computed. [2020-10-25 23:05:18,404 INFO L274 CegarLoopResult]: For program point L817(lines 817 821) no Hoare annotation was computed. [2020-10-25 23:05:18,405 INFO L274 CegarLoopResult]: For program point L784(lines 784 794) no Hoare annotation was computed. [2020-10-25 23:05:18,406 INFO L274 CegarLoopResult]: For program point L817-1(lines 135 141) no Hoare annotation was computed. [2020-10-25 23:05:18,406 INFO L274 CegarLoopResult]: For program point L784-2(lines 784 794) no Hoare annotation was computed. [2020-10-25 23:05:18,407 INFO L274 CegarLoopResult]: For program point L784-4(lines 784 794) no Hoare annotation was computed. [2020-10-25 23:05:18,407 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:18,407 INFO L270 CegarLoopResult]: At program point L669(lines 1 897) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:18,407 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-25 23:05:18,407 INFO L274 CegarLoopResult]: For program point L785(lines 785 791) no Hoare annotation was computed. [2020-10-25 23:05:18,407 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 791) no Hoare annotation was computed. [2020-10-25 23:05:18,407 INFO L274 CegarLoopResult]: For program point L785-4(lines 785 791) no Hoare annotation was computed. [2020-10-25 23:05:18,408 INFO L270 CegarLoopResult]: At program point L769(lines 764 771) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,408 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-10-25 23:05:18,408 INFO L274 CegarLoopResult]: For program point L92-2(lines 135 141) no Hoare annotation was computed. [2020-10-25 23:05:18,412 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:18,412 INFO L274 CegarLoopResult]: For program point L885(lines 885 892) no Hoare annotation was computed. [2020-10-25 23:05:18,412 INFO L277 CegarLoopResult]: At program point L885-1(lines 885 892) the Hoare annotation is: true [2020-10-25 23:05:18,412 INFO L270 CegarLoopResult]: At program point L142(lines 142 148) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,412 INFO L270 CegarLoopResult]: At program point L142-1(lines 142 148) the Hoare annotation is: false [2020-10-25 23:05:18,413 INFO L274 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-10-25 23:05:18,413 INFO L270 CegarLoopResult]: At program point L142-2(lines 142 148) the Hoare annotation is: false [2020-10-25 23:05:18,415 INFO L270 CegarLoopResult]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,415 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:18,415 INFO L274 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-10-25 23:05:18,415 INFO L274 CegarLoopResult]: For program point L689-3(lines 689 693) no Hoare annotation was computed. [2020-10-25 23:05:18,416 INFO L274 CegarLoopResult]: For program point L689-6(lines 689 693) no Hoare annotation was computed. [2020-10-25 23:05:18,416 INFO L270 CegarLoopResult]: At program point L228(lines 221 231) the Hoare annotation is: false [2020-10-25 23:05:18,416 INFO L270 CegarLoopResult]: At program point L228-1(lines 221 231) the Hoare annotation is: false [2020-10-25 23:05:18,416 INFO L270 CegarLoopResult]: At program point L228-2(lines 221 231) the Hoare annotation is: false [2020-10-25 23:05:18,416 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:18,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:18,416 INFO L270 CegarLoopResult]: At program point L726(lines 721 729) the Hoare annotation is: false [2020-10-25 23:05:18,417 INFO L270 CegarLoopResult]: At program point L726-1(lines 721 729) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,417 INFO L270 CegarLoopResult]: At program point L726-2(lines 721 729) the Hoare annotation is: false [2020-10-25 23:05:18,417 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-25 23:05:18,417 INFO L270 CegarLoopResult]: At program point L726-3(lines 721 729) the Hoare annotation is: false [2020-10-25 23:05:18,417 INFO L274 CegarLoopResult]: For program point L115-1(line 115) no Hoare annotation was computed. [2020-10-25 23:05:18,417 INFO L270 CegarLoopResult]: At program point L726-4(lines 721 729) the Hoare annotation is: false [2020-10-25 23:05:18,417 INFO L270 CegarLoopResult]: At program point L726-5(lines 721 729) the Hoare annotation is: false [2020-10-25 23:05:18,418 INFO L274 CegarLoopResult]: For program point L115-2(line 115) no Hoare annotation was computed. [2020-10-25 23:05:18,418 INFO L270 CegarLoopResult]: At program point L677(lines 672 680) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:18,419 INFO L274 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-10-25 23:05:18,419 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:18,420 INFO L274 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-10-25 23:05:18,420 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 184) no Hoare annotation was computed. [2020-10-25 23:05:18,420 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 184) no Hoare annotation was computed. [2020-10-25 23:05:18,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:18 BoogieIcfgContainer [2020-10-25 23:05:18,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:18,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:18,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:18,467 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:18,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:16" (3/4) ... [2020-10-25 23:05:18,472 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:18,497 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:18,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:18,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:18,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:18,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:18,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:18,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:18,526 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:05:18,526 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-25 23:05:18,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-25 23:05:18,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:18,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:18,528 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:18,529 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:18,529 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:18,530 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:18,531 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:18,628 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:18,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:18,631 INFO L168 Benchmark]: Toolchain (without parser) took 4416.62 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 32.2 MB in the beginning and 32.8 MB in the end (delta: -601.6 kB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:18,632 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 39.8 MB. Free memory was 25.1 MB in the beginning and 25.0 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:18,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.85 ms. Allocated memory is still 48.2 MB. Free memory was 31.6 MB in the beginning and 22.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:18,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.91 ms. Allocated memory is still 48.2 MB. Free memory was 22.9 MB in the beginning and 19.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:18,634 INFO L168 Benchmark]: Boogie Preprocessor took 75.72 ms. Allocated memory is still 48.2 MB. Free memory was 19.9 MB in the beginning and 29.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:18,635 INFO L168 Benchmark]: RCFGBuilder took 1157.56 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 29.7 MB in the beginning and 30.1 MB in the end (delta: -447.7 kB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:18,635 INFO L168 Benchmark]: TraceAbstraction took 2201.14 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 29.7 MB in the beginning and 40.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:18,636 INFO L168 Benchmark]: Witness Printer took 161.89 ms. Allocated memory is still 71.3 MB. Free memory was 39.7 MB in the beginning and 32.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:18,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 39.8 MB. Free memory was 25.1 MB in the beginning and 25.0 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.85 ms. Allocated memory is still 48.2 MB. Free memory was 31.6 MB in the beginning and 22.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.91 ms. Allocated memory is still 48.2 MB. Free memory was 22.9 MB in the beginning and 19.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.72 ms. Allocated memory is still 48.2 MB. Free memory was 19.9 MB in the beginning and 29.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1157.56 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 29.7 MB in the beginning and 30.1 MB in the end (delta: -447.7 kB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2201.14 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 29.7 MB in the beginning and 40.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Witness Printer took 161.89 ms. Allocated memory is still 71.3 MB. Free memory was 39.7 MB in the beginning and 32.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 354 SDslu, 257 SDs, 0 SdLazy, 62 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1253 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 285 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 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...