./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer --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 6a18f617941e8cdfed5633e004145f254bf7fa9d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:34:11,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:34:11,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:34:11,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:34:11,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:34:11,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:34:11,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:34:11,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:34:11,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:34:11,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:34:11,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:34:11,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:34:11,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:34:11,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:34:11,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:34:11,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:34:11,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:34:11,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:34:11,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:34:11,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:34:11,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:34:11,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:34:11,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:34:11,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:34:11,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:34:11,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:34:11,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:34:11,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:34:11,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:34:11,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:34:11,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:34:11,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:34:11,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:34:11,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:34:11,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:34:11,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:34:11,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:34:11,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:34:11,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:34:11,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:34:11,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:34:11,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:34:11,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:34:11,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:34:11,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:34:11,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:34:11,599 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:34:11,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:34:11,600 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:34:11,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:34:11,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:34:11,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:34:11,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:34:11,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:34:11,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:34:11,604 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:34:11,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:34:11,605 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:34:11,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:34:11,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:34:11,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:34:11,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:34:11,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:34:11,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:34:11,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:34:11,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:34:11,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:34:11,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:34:11,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:34:11,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:34:11,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:34:11,610 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:/tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a18f617941e8cdfed5633e004145f254bf7fa9d [2020-11-29 19:34:11,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:34:12,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:34:12,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:34:12,039 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:34:12,041 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:34:12,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-11-29 19:34:12,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/data/53434013f/468ab1e7a21e401fa306f0da5f1d73ee/FLAG2bb939b98 [2020-11-29 19:34:13,012 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:34:13,013 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-11-29 19:34:13,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/data/53434013f/468ab1e7a21e401fa306f0da5f1d73ee/FLAG2bb939b98 [2020-11-29 19:34:13,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/data/53434013f/468ab1e7a21e401fa306f0da5f1d73ee [2020-11-29 19:34:13,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:34:13,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:34:13,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:34:13,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:34:13,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:34:13,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:34:13" (1/1) ... [2020-11-29 19:34:13,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a57b4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:13, skipping insertion in model container [2020-11-29 19:34:13,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:34:13" (1/1) ... [2020-11-29 19:34:13,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:34:13,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:34:13,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:34:14,000 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:34:14,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:34:14,233 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:34:14,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14 WrapperNode [2020-11-29 19:34:14,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:34:14,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:34:14,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:34:14,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:34:14,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:34:14,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:34:14,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:34:14,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:34:14,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... [2020-11-29 19:34:14,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:34:14,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:34:14,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:34:14,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:34:14,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/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 [2020-11-29 19:34:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:34:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:34:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:34:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:34:16,005 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:34:16,006 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-11-29 19:34:16,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:16 BoogieIcfgContainer [2020-11-29 19:34:16,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:34:16,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:34:16,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:34:16,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:34:16,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:34:13" (1/3) ... [2020-11-29 19:34:16,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5d68ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:34:16, skipping insertion in model container [2020-11-29 19:34:16,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:14" (2/3) ... [2020-11-29 19:34:16,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5d68ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:34:16, skipping insertion in model container [2020-11-29 19:34:16,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:16" (3/3) ... [2020-11-29 19:34:16,067 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-11-29 19:34:16,111 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:34:16,135 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 19:34:16,172 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 19:34:16,225 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:34:16,226 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:34:16,226 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:34:16,227 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:34:16,227 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:34:16,227 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:34:16,228 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:34:16,228 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:34:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-29 19:34:16,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:34:16,267 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:16,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:16,270 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:16,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:16,281 INFO L82 PathProgramCache]: Analyzing trace with hash 436617332, now seen corresponding path program 1 times [2020-11-29 19:34:16,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:16,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204323613] [2020-11-29 19:34:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:16,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204323613] [2020-11-29 19:34:16,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:16,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:16,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822095483] [2020-11-29 19:34:16,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:34:16,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:16,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:34:16,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:34:16,815 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-11-29 19:34:16,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:16,866 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-11-29 19:34:16,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:34:16,868 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 19:34:16,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:16,887 INFO L225 Difference]: With dead ends: 111 [2020-11-29 19:34:16,888 INFO L226 Difference]: Without dead ends: 53 [2020-11-29 19:34:16,908 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 [2020-11-29 19:34:16,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-29 19:34:16,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-29 19:34:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-29 19:34:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-11-29 19:34:16,986 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-11-29 19:34:16,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:16,987 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-11-29 19:34:16,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:34:16,987 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-29 19:34:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:34:16,989 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:16,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:16,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:34:16,990 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:16,991 INFO L82 PathProgramCache]: Analyzing trace with hash -610139565, now seen corresponding path program 1 times [2020-11-29 19:34:16,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:16,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224525409] [2020-11-29 19:34:16,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:17,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224525409] [2020-11-29 19:34:17,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:17,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:34:17,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340967034] [2020-11-29 19:34:17,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:17,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:17,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:17,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:17,209 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-11-29 19:34:17,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:17,232 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-11-29 19:34:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:17,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 19:34:17,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:17,236 INFO L225 Difference]: With dead ends: 53 [2020-11-29 19:34:17,236 INFO L226 Difference]: Without dead ends: 27 [2020-11-29 19:34:17,239 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 [2020-11-29 19:34:17,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-29 19:34:17,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-29 19:34:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-29 19:34:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-11-29 19:34:17,254 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-11-29 19:34:17,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:17,256 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-11-29 19:34:17,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:17,257 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-29 19:34:17,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:34:17,261 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:17,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:17,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:34:17,264 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:17,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:17,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-11-29 19:34:17,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:17,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375655133] [2020-11-29 19:34:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:17,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375655133] [2020-11-29 19:34:17,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:17,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 19:34:17,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818838423] [2020-11-29 19:34:17,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 19:34:17,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:17,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 19:34:17,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:34:17,659 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-11-29 19:34:18,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:18,469 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2020-11-29 19:34:18,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 19:34:18,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-29 19:34:18,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:18,480 INFO L225 Difference]: With dead ends: 142 [2020-11-29 19:34:18,481 INFO L226 Difference]: Without dead ends: 121 [2020-11-29 19:34:18,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-29 19:34:18,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-29 19:34:18,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2020-11-29 19:34:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-29 19:34:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-11-29 19:34:18,531 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-11-29 19:34:18,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:18,532 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-11-29 19:34:18,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 19:34:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-11-29 19:34:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 19:34:18,534 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:18,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:18,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:34:18,535 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:18,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:18,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2020-11-29 19:34:18,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:18,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133499894] [2020-11-29 19:34:18,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:18,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133499894] [2020-11-29 19:34:18,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:18,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:18,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994958128] [2020-11-29 19:34:18,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:18,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:18,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:18,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:18,716 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-11-29 19:34:18,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:18,740 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-11-29 19:34:18,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:18,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-29 19:34:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:18,746 INFO L225 Difference]: With dead ends: 95 [2020-11-29 19:34:18,746 INFO L226 Difference]: Without dead ends: 57 [2020-11-29 19:34:18,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-29 19:34:18,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-29 19:34:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-29 19:34:18,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-11-29 19:34:18,768 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-11-29 19:34:18,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:18,769 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-11-29 19:34:18,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-29 19:34:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 19:34:18,772 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:18,773 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:18,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:34:18,774 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:18,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:18,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1471456368, now seen corresponding path program 1 times [2020-11-29 19:34:18,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:18,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443508129] [2020-11-29 19:34:18,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:18,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443508129] [2020-11-29 19:34:18,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252465397] [2020-11-29 19:34:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:34:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:19,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:34:19,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:34:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:19,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:34:19,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-11-29 19:34:19,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866605289] [2020-11-29 19:34:19,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:34:19,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:19,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:34:19,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:34:19,428 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 4 states. [2020-11-29 19:34:19,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:19,569 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2020-11-29 19:34:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:34:19,572 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-11-29 19:34:19,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:19,572 INFO L225 Difference]: With dead ends: 73 [2020-11-29 19:34:19,572 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:34:19,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:34:19,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:34:19,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:34:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:34:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:34:19,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-29 19:34:19,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:19,575 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:34:19,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:34:19,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:34:19,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:34:19,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:34:19,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:34:20,630 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-29 19:34:20,918 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:34:20,918 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:34:20,918 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 19:34:20,918 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 19:34:20,918 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:34:20,919 INFO L277 CegarLoopResult]: At program point L848(lines 829 851) the Hoare annotation is: true [2020-11-29 19:34:20,919 INFO L274 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-11-29 19:34:20,919 INFO L274 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-11-29 19:34:20,919 INFO L270 CegarLoopResult]: At program point L237-1(lines 237 243) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-29 19:34:20,920 INFO L270 CegarLoopResult]: At program point L816(lines 812 818) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-11-29 19:34:20,920 INFO L270 CegarLoopResult]: At program point L106(lines 105 124) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-29 19:34:20,920 INFO L274 CegarLoopResult]: For program point L106-1(lines 106 112) no Hoare annotation was computed. [2020-11-29 19:34:20,920 INFO L270 CegarLoopResult]: At program point L106-2(lines 105 124) the Hoare annotation is: false [2020-11-29 19:34:20,920 INFO L270 CegarLoopResult]: At program point L106-3(lines 105 124) the Hoare annotation is: false [2020-11-29 19:34:20,920 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:34:20,920 INFO L270 CegarLoopResult]: At program point L768-2(lines 768 782) the Hoare annotation is: false [2020-11-29 19:34:20,921 INFO L274 CegarLoopResult]: For program point L257(lines 257 270) no Hoare annotation was computed. [2020-11-29 19:34:20,921 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-11-29 19:34:20,921 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:34:20,921 INFO L274 CegarLoopResult]: For program point L373(lines 373 386) no Hoare annotation was computed. [2020-11-29 19:34:20,921 INFO L270 CegarLoopResult]: At program point L373-1(lines 1 851) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-11-29 19:34:20,922 INFO L274 CegarLoopResult]: For program point L373-2(lines 373 386) no Hoare annotation was computed. [2020-11-29 19:34:20,922 INFO L270 CegarLoopResult]: At program point L373-3(lines 1 851) the Hoare annotation is: false [2020-11-29 19:34:20,922 INFO L274 CegarLoopResult]: For program point L373-4(lines 373 386) no Hoare annotation was computed. [2020-11-29 19:34:20,922 INFO L270 CegarLoopResult]: At program point L373-5(lines 1 851) the Hoare annotation is: false [2020-11-29 19:34:20,922 INFO L270 CegarLoopResult]: At program point L76(lines 1 851) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-11-29 19:34:20,922 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-11-29 19:34:20,923 INFO L274 CegarLoopResult]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2020-11-29 19:34:20,923 INFO L274 CegarLoopResult]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2020-11-29 19:34:20,923 INFO L270 CegarLoopResult]: At program point L275(lines 226 276) the Hoare annotation is: false [2020-11-29 19:34:20,923 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:34:20,923 INFO L274 CegarLoopResult]: For program point L772(lines 772 776) no Hoare annotation was computed. [2020-11-29 19:34:20,923 INFO L274 CegarLoopResult]: For program point L772-1(lines 106 112) no Hoare annotation was computed. [2020-11-29 19:34:20,923 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 19:34:20,924 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-29 19:34:20,924 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-29 19:34:20,924 INFO L270 CegarLoopResult]: At program point L360(lines 355 363) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2020-11-29 19:34:20,924 INFO L274 CegarLoopResult]: For program point L839(lines 839 846) no Hoare annotation was computed. [2020-11-29 19:34:20,924 INFO L270 CegarLoopResult]: At program point L360-1(lines 355 363) the Hoare annotation is: false [2020-11-29 19:34:20,925 INFO L270 CegarLoopResult]: At program point L360-2(lines 355 363) the Hoare annotation is: false [2020-11-29 19:34:20,925 INFO L277 CegarLoopResult]: At program point L839-1(lines 839 846) the Hoare annotation is: true [2020-11-29 19:34:20,925 INFO L274 CegarLoopResult]: For program point L228(lines 227 274) no Hoare annotation was computed. [2020-11-29 19:34:20,925 INFO L274 CegarLoopResult]: For program point L377(lines 377 383) no Hoare annotation was computed. [2020-11-29 19:34:20,925 INFO L274 CegarLoopResult]: For program point L377-2(lines 377 383) no Hoare annotation was computed. [2020-11-29 19:34:20,925 INFO L274 CegarLoopResult]: For program point L377-4(lines 377 383) no Hoare annotation was computed. [2020-11-29 19:34:20,926 INFO L270 CegarLoopResult]: At program point L113(lines 113 119) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-29 19:34:20,926 INFO L270 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: false [2020-11-29 19:34:20,926 INFO L270 CegarLoopResult]: At program point L113-2(lines 113 119) the Hoare annotation is: false [2020-11-29 19:34:20,926 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-11-29 19:34:20,926 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:34:20,926 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:34:20,927 INFO L274 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-11-29 19:34:20,927 INFO L270 CegarLoopResult]: At program point L247-1(lines 247 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-29 19:34:20,927 INFO L270 CegarLoopResult]: At program point L165(lines 160 168) the Hoare annotation is: false [2020-11-29 19:34:20,927 INFO L270 CegarLoopResult]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2020-11-29 19:34:20,927 INFO L270 CegarLoopResult]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2020-11-29 19:34:20,927 INFO L274 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-11-29 19:34:20,928 INFO L270 CegarLoopResult]: At program point L265-2(lines 106 112) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-29 19:34:20,932 INFO L274 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-11-29 19:34:20,933 INFO L270 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-11-29 19:34:20,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:34:20 BoogieIcfgContainer [2020-11-29 19:34:20,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:34:20,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:34:20,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:34:20,984 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:34:20,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:16" (3/4) ... [2020-11-29 19:34:20,990 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:34:21,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 19:34:21,024 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 19:34:21,025 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 19:34:21,026 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:34:21,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:34:21,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:34:21,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:34:21,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 [2020-11-29 19:34:21,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 [2020-11-29 19:34:21,074 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:34:21,076 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:34:21,077 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:34:21,078 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:34:21,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:34:21,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:34:21,083 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:34:21,175 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1fbc0714-f8bf-4005-92b8-c0b989196ea8/bin/uautomizer/witness.graphml [2020-11-29 19:34:21,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:34:21,177 INFO L168 Benchmark]: Toolchain (without parser) took 7981.26 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 64.5 MB in the beginning and 75.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:34:21,178 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 94.4 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:34:21,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1037.66 ms. Allocated memory is still 94.4 MB. Free memory was 64.3 MB in the beginning and 61.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:34:21,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.25 ms. Allocated memory is still 94.4 MB. Free memory was 61.3 MB in the beginning and 58.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:34:21,181 INFO L168 Benchmark]: Boogie Preprocessor took 72.41 ms. Allocated memory is still 94.4 MB. Free memory was 58.4 MB in the beginning and 56.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:34:21,182 INFO L168 Benchmark]: RCFGBuilder took 1545.20 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.7 MB in the beginning and 56.1 MB in the end (delta: 566.4 kB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:34:21,182 INFO L168 Benchmark]: TraceAbstraction took 4946.85 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 88.7 MB in the beginning and 80.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:34:21,183 INFO L168 Benchmark]: Witness Printer took 191.67 ms. Allocated memory is still 140.5 MB. Free memory was 80.3 MB in the beginning and 75.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:34:21,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 94.4 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1037.66 ms. Allocated memory is still 94.4 MB. Free memory was 64.3 MB in the beginning and 61.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 151.25 ms. Allocated memory is still 94.4 MB. Free memory was 61.3 MB in the beginning and 58.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.41 ms. Allocated memory is still 94.4 MB. Free memory was 58.4 MB in the beginning and 56.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1545.20 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.7 MB in the beginning and 56.1 MB in the end (delta: 566.4 kB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4946.85 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 88.7 MB in the beginning and 80.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. * Witness Printer took 191.67 ms. Allocated memory is still 140.5 MB. Free memory was 80.3 MB in the beginning and 75.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 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: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 250 HoareAnnotationTreeSize, 25 FomulaSimplifications, 288 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 9184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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...