./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/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 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:46:22,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:46:22,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:46:22,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:46:22,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:46:22,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:46:22,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:46:22,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:46:22,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:46:22,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:46:22,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:46:22,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:46:22,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:46:22,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:46:22,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:46:22,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:46:22,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:46:22,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:46:22,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:46:22,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:46:22,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:46:22,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:46:22,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:46:22,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:46:22,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:46:22,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:46:22,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:46:22,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:46:22,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:46:22,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:46:22,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:46:22,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:46:22,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:46:22,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:46:22,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:46:22,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:46:22,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:46:22,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:46:22,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:46:22,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:46:22,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:46:22,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:46:22,545 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:46:22,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:46:22,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:46:22,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:46:22,548 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:46:22,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:46:22,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:46:22,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:46:22,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:46:22,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:46:22,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:46:22,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:46:22,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:46:22,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:46:22,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:46:22,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:46:22,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:46:22,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:46:22,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:46:22,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:46:22,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:46:22,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:46:22,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:46:22,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:46:22,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:46:22,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:46:22,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:46:22,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:46:22,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:46:22,557 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_abd00a38-0aec-467b-a8bb-498bcd951df5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce [2020-12-01 15:46:22,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:46:22,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:46:22,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:46:22,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:46:22,881 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:46:22,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2020-12-01 15:46:22,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/data/3d57d9372/18f3f551461b46f99e58220a3b5c793b/FLAGed44ed6f7 [2020-12-01 15:46:23,646 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:46:23,649 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2020-12-01 15:46:23,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/data/3d57d9372/18f3f551461b46f99e58220a3b5c793b/FLAGed44ed6f7 [2020-12-01 15:46:23,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/data/3d57d9372/18f3f551461b46f99e58220a3b5c793b [2020-12-01 15:46:23,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:46:23,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:46:23,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:46:23,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:46:23,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:46:23,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:46:23" (1/1) ... [2020-12-01 15:46:23,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e92b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:23, skipping insertion in model container [2020-12-01 15:46:23,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:46:23" (1/1) ... [2020-12-01 15:46:23,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:46:23,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:46:24,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:46:24,350 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:46:24,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:46:24,495 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:46:24,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24 WrapperNode [2020-12-01 15:46:24,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:46:24,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:46:24,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:46:24,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:46:24,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:46:24,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:46:24,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:46:24,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:46:24,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... [2020-12-01 15:46:24,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:46:24,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:46:24,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:46:24,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:46:24,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/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 [2020-12-01 15:46:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:46:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:46:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:46:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:46:25,881 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:46:25,881 INFO L298 CfgBuilder]: Removed 162 assume(true) statements. [2020-12-01 15:46:25,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:25 BoogieIcfgContainer [2020-12-01 15:46:25,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:46:25,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:46:25,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:46:25,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:46:25,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:46:23" (1/3) ... [2020-12-01 15:46:25,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b761ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:46:25, skipping insertion in model container [2020-12-01 15:46:25,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:24" (2/3) ... [2020-12-01 15:46:25,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b761ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:46:25, skipping insertion in model container [2020-12-01 15:46:25,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:25" (3/3) ... [2020-12-01 15:46:25,897 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2020-12-01 15:46:25,911 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:46:25,915 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-01 15:46:25,927 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-01 15:46:25,963 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:46:25,963 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:46:25,963 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:46:25,964 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:46:25,964 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:46:25,964 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:46:25,964 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:46:25,964 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:46:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-12-01 15:46:25,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 15:46:25,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:25,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:46:25,998 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:26,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:26,004 INFO L82 PathProgramCache]: Analyzing trace with hash -965693148, now seen corresponding path program 1 times [2020-12-01 15:46:26,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:26,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465693207] [2020-12-01 15:46:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:26,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465693207] [2020-12-01 15:46:26,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:26,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:46:26,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361847799] [2020-12-01 15:46:26,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:46:26,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:26,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:46:26,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:46:26,284 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-12-01 15:46:26,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:26,323 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-12-01 15:46:26,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:46:26,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 15:46:26,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:26,335 INFO L225 Difference]: With dead ends: 207 [2020-12-01 15:46:26,335 INFO L226 Difference]: Without dead ends: 101 [2020-12-01 15:46:26,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:46:26,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-01 15:46:26,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-12-01 15:46:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-01 15:46:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-12-01 15:46:26,385 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-12-01 15:46:26,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:26,385 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-12-01 15:46:26,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:46:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-12-01 15:46:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 15:46:26,387 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:26,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:46:26,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:46:26,388 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:26,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:26,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2012450045, now seen corresponding path program 1 times [2020-12-01 15:46:26,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:26,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114133684] [2020-12-01 15:46:26,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:26,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114133684] [2020-12-01 15:46:26,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:26,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:46:26,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459020459] [2020-12-01 15:46:26,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:46:26,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:26,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:46:26,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:46:26,495 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-12-01 15:46:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:26,507 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-12-01 15:46:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:46:26,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-01 15:46:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:26,509 INFO L225 Difference]: With dead ends: 101 [2020-12-01 15:46:26,509 INFO L226 Difference]: Without dead ends: 43 [2020-12-01 15:46:26,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:46:26,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-01 15:46:26,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-01 15:46:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-01 15:46:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-12-01 15:46:26,517 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-12-01 15:46:26,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:26,518 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-12-01 15:46:26,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:46:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-12-01 15:46:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 15:46:26,519 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:26,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:46:26,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:46:26,520 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:26,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:26,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2020-12-01 15:46:26,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:26,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876542679] [2020-12-01 15:46:26,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:26,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876542679] [2020-12-01 15:46:26,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:26,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:46:26,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008501672] [2020-12-01 15:46:26,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:46:26,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:26,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:46:26,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:46:26,720 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 6 states. [2020-12-01 15:46:27,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:27,013 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-12-01 15:46:27,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:46:27,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-01 15:46:27,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:27,020 INFO L225 Difference]: With dead ends: 80 [2020-12-01 15:46:27,020 INFO L226 Difference]: Without dead ends: 43 [2020-12-01 15:46:27,021 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 [2020-12-01 15:46:27,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-01 15:46:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-01 15:46:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-01 15:46:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-12-01 15:46:27,039 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-12-01 15:46:27,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:27,040 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-12-01 15:46:27,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:46:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-12-01 15:46:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 15:46:27,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:27,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:46:27,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:46:27,043 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:27,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:27,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2020-12-01 15:46:27,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:27,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006742204] [2020-12-01 15:46:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:27,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006742204] [2020-12-01 15:46:27,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:27,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:46:27,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877966131] [2020-12-01 15:46:27,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:46:27,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:27,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:46:27,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:46:27,209 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-12-01 15:46:27,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:27,418 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2020-12-01 15:46:27,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 15:46:27,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-01 15:46:27,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:27,422 INFO L225 Difference]: With dead ends: 204 [2020-12-01 15:46:27,422 INFO L226 Difference]: Without dead ends: 167 [2020-12-01 15:46:27,423 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 [2020-12-01 15:46:27,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-12-01 15:46:27,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2020-12-01 15:46:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-01 15:46:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2020-12-01 15:46:27,456 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2020-12-01 15:46:27,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:27,457 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2020-12-01 15:46:27,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:46:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-12-01 15:46:27,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 15:46:27,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:27,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:46:27,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:46:27,460 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:27,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:27,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2020-12-01 15:46:27,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:27,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351230407] [2020-12-01 15:46:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:27,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351230407] [2020-12-01 15:46:27,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:27,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:46:27,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452833806] [2020-12-01 15:46:27,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:46:27,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:27,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:46:27,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:46:27,551 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2020-12-01 15:46:27,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:27,639 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2020-12-01 15:46:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:46:27,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-01 15:46:27,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:27,641 INFO L225 Difference]: With dead ends: 174 [2020-12-01 15:46:27,641 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:46:27,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:46:27,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:46:27,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:46:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:46:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:46:27,650 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-01 15:46:27,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:27,650 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:46:27,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:46:27,651 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:46:27,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:46:27,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:46:27,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:46:28,051 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:46:28,051 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:46:28,051 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 15:46:28,051 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-12-01 15:46:28,052 INFO L258 CegarLoopResult]: At program point L664(lines 659 667) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-01 15:46:28,052 INFO L258 CegarLoopResult]: At program point L500(lines 496 502) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-01 15:46:28,052 INFO L262 CegarLoopResult]: For program point L699(lines 699 705) no Hoare annotation was computed. [2020-12-01 15:46:28,052 INFO L258 CegarLoopResult]: At program point L699-1(lines 699 705) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:28,052 INFO L265 CegarLoopResult]: At program point L536(lines 517 539) the Hoare annotation is: true [2020-12-01 15:46:28,053 INFO L262 CegarLoopResult]: For program point L801(lines 801 818) no Hoare annotation was computed. [2020-12-01 15:46:28,053 INFO L262 CegarLoopResult]: For program point L801-1(lines 801 818) no Hoare annotation was computed. [2020-12-01 15:46:28,054 INFO L262 CegarLoopResult]: For program point L801-2(lines 801 818) no Hoare annotation was computed. [2020-12-01 15:46:28,054 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:46:28,054 INFO L262 CegarLoopResult]: For program point L903(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,054 INFO L262 CegarLoopResult]: For program point L903-2(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,054 INFO L262 CegarLoopResult]: For program point L903-3(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,055 INFO L262 CegarLoopResult]: For program point L903-5(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,055 INFO L262 CegarLoopResult]: For program point L903-6(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,055 INFO L262 CegarLoopResult]: For program point L903-8(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,055 INFO L262 CegarLoopResult]: For program point L903-9(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,056 INFO L262 CegarLoopResult]: For program point L903-11(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,056 INFO L262 CegarLoopResult]: For program point L903-12(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,056 INFO L262 CegarLoopResult]: For program point L903-14(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,056 INFO L262 CegarLoopResult]: For program point L903-15(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,056 INFO L262 CegarLoopResult]: For program point L903-17(lines 903 907) no Hoare annotation was computed. [2020-12-01 15:46:28,056 INFO L262 CegarLoopResult]: For program point L805(lines 805 813) no Hoare annotation was computed. [2020-12-01 15:46:28,056 INFO L262 CegarLoopResult]: For program point L805-1(lines 805 813) no Hoare annotation was computed. [2020-12-01 15:46:28,057 INFO L262 CegarLoopResult]: For program point L805-2(lines 805 813) no Hoare annotation was computed. [2020-12-01 15:46:28,057 INFO L262 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-12-01 15:46:28,057 INFO L262 CegarLoopResult]: For program point L775(lines 775 792) no Hoare annotation was computed. [2020-12-01 15:46:28,058 INFO L262 CegarLoopResult]: For program point L775-1(lines 775 792) no Hoare annotation was computed. [2020-12-01 15:46:28,058 INFO L262 CegarLoopResult]: For program point L709(lines 709 720) no Hoare annotation was computed. [2020-12-01 15:46:28,062 INFO L262 CegarLoopResult]: For program point L775-2(lines 775 792) no Hoare annotation was computed. [2020-12-01 15:46:28,063 INFO L262 CegarLoopResult]: For program point L775-3(lines 775 792) no Hoare annotation was computed. [2020-12-01 15:46:28,063 INFO L262 CegarLoopResult]: For program point L775-4(lines 775 792) no Hoare annotation was computed. [2020-12-01 15:46:28,063 INFO L262 CegarLoopResult]: For program point L775-5(lines 775 792) no Hoare annotation was computed. [2020-12-01 15:46:28,063 INFO L258 CegarLoopResult]: At program point L743(lines 742 761) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:28,064 INFO L262 CegarLoopResult]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2020-12-01 15:46:28,064 INFO L258 CegarLoopResult]: At program point L743-2(lines 742 761) the Hoare annotation is: false [2020-12-01 15:46:28,065 INFO L258 CegarLoopResult]: At program point L743-3(lines 742 761) the Hoare annotation is: false [2020-12-01 15:46:28,065 INFO L258 CegarLoopResult]: At program point L909(lines 894 912) the Hoare annotation is: false [2020-12-01 15:46:28,067 INFO L258 CegarLoopResult]: At program point L909-1(lines 894 912) the Hoare annotation is: false [2020-12-01 15:46:28,067 INFO L258 CegarLoopResult]: At program point L909-2(lines 894 912) the Hoare annotation is: false [2020-12-01 15:46:28,067 INFO L258 CegarLoopResult]: At program point L909-3(lines 894 912) the Hoare annotation is: false [2020-12-01 15:46:28,073 INFO L258 CegarLoopResult]: At program point L909-4(lines 894 912) the Hoare annotation is: false [2020-12-01 15:46:28,074 INFO L258 CegarLoopResult]: At program point L909-5(lines 894 912) the Hoare annotation is: false [2020-12-01 15:46:28,074 INFO L258 CegarLoopResult]: At program point L845(lines 838 848) the Hoare annotation is: false [2020-12-01 15:46:28,074 INFO L258 CegarLoopResult]: At program point L845-1(lines 838 848) the Hoare annotation is: false [2020-12-01 15:46:28,074 INFO L262 CegarLoopResult]: For program point L779(lines 779 787) no Hoare annotation was computed. [2020-12-01 15:46:28,074 INFO L258 CegarLoopResult]: At program point L845-2(lines 838 848) the Hoare annotation is: false [2020-12-01 15:46:28,074 INFO L262 CegarLoopResult]: For program point L779-1(lines 779 787) no Hoare annotation was computed. [2020-12-01 15:46:28,075 INFO L262 CegarLoopResult]: For program point L779-2(lines 779 787) no Hoare annotation was computed. [2020-12-01 15:46:28,075 INFO L262 CegarLoopResult]: For program point L680(lines 679 724) no Hoare annotation was computed. [2020-12-01 15:46:28,075 INFO L262 CegarLoopResult]: For program point L779-3(lines 779 787) no Hoare annotation was computed. [2020-12-01 15:46:28,075 INFO L262 CegarLoopResult]: For program point L779-4(lines 779 787) no Hoare annotation was computed. [2020-12-01 15:46:28,075 INFO L262 CegarLoopResult]: For program point L779-5(lines 779 787) no Hoare annotation was computed. [2020-12-01 15:46:28,075 INFO L258 CegarLoopResult]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2020-12-01 15:46:28,075 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:46:28,076 INFO L262 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-12-01 15:46:28,076 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-01 15:46:28,076 INFO L262 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-12-01 15:46:28,076 INFO L262 CegarLoopResult]: For program point L715-2(lines 743 749) no Hoare annotation was computed. [2020-12-01 15:46:28,076 INFO L262 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-12-01 15:46:28,076 INFO L262 CegarLoopResult]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2020-12-01 15:46:28,076 INFO L262 CegarLoopResult]: For program point L419(lines 419 432) no Hoare annotation was computed. [2020-12-01 15:46:28,077 INFO L258 CegarLoopResult]: At program point L419-1(lines 1 921) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:28,077 INFO L262 CegarLoopResult]: For program point L419-2(lines 419 432) no Hoare annotation was computed. [2020-12-01 15:46:28,078 INFO L262 CegarLoopResult]: For program point L551-6(lines 551 555) no Hoare annotation was computed. [2020-12-01 15:46:28,079 INFO L258 CegarLoopResult]: At program point L419-3(lines 1 921) the Hoare annotation is: false [2020-12-01 15:46:28,080 INFO L262 CegarLoopResult]: For program point L419-4(lines 419 432) no Hoare annotation was computed. [2020-12-01 15:46:28,080 INFO L258 CegarLoopResult]: At program point L419-5(lines 1 921) the Hoare annotation is: false [2020-12-01 15:46:28,080 INFO L258 CegarLoopResult]: At program point L750(lines 750 756) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:28,080 INFO L258 CegarLoopResult]: At program point L750-1(lines 750 756) the Hoare annotation is: false [2020-12-01 15:46:28,081 INFO L258 CegarLoopResult]: At program point L750-2(lines 750 756) the Hoare annotation is: false [2020-12-01 15:46:28,081 INFO L262 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2020-12-01 15:46:28,081 INFO L262 CegarLoopResult]: For program point L453-1(lines 743 749) no Hoare annotation was computed. [2020-12-01 15:46:28,081 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:46:28,081 INFO L262 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-12-01 15:46:28,082 INFO L262 CegarLoopResult]: For program point L918-1(line 918) no Hoare annotation was computed. [2020-12-01 15:46:28,082 INFO L262 CegarLoopResult]: For program point L918-2(line 918) no Hoare annotation was computed. [2020-12-01 15:46:28,082 INFO L258 CegarLoopResult]: At program point L588(lines 583 591) the Hoare annotation is: false [2020-12-01 15:46:28,083 INFO L258 CegarLoopResult]: At program point L588-1(lines 583 591) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:28,083 INFO L258 CegarLoopResult]: At program point L588-2(lines 583 591) the Hoare annotation is: false [2020-12-01 15:46:28,083 INFO L258 CegarLoopResult]: At program point L588-3(lines 583 591) the Hoare annotation is: false [2020-12-01 15:46:28,083 INFO L258 CegarLoopResult]: At program point L588-4(lines 583 591) the Hoare annotation is: false [2020-12-01 15:46:28,084 INFO L262 CegarLoopResult]: For program point L423(lines 423 429) no Hoare annotation was computed. [2020-12-01 15:46:28,084 INFO L258 CegarLoopResult]: At program point L588-5(lines 583 591) the Hoare annotation is: false [2020-12-01 15:46:28,084 INFO L262 CegarLoopResult]: For program point L423-2(lines 423 429) no Hoare annotation was computed. [2020-12-01 15:46:28,084 INFO L262 CegarLoopResult]: For program point L423-4(lines 423 429) no Hoare annotation was computed. [2020-12-01 15:46:28,084 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:46:28,084 INFO L258 CegarLoopResult]: At program point L854(lines 849 857) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:28,084 INFO L258 CegarLoopResult]: At program point L854-1(lines 849 857) the Hoare annotation is: false [2020-12-01 15:46:28,085 INFO L258 CegarLoopResult]: At program point L854-2(lines 849 857) the Hoare annotation is: false [2020-12-01 15:46:28,085 INFO L262 CegarLoopResult]: For program point L689(lines 689 695) no Hoare annotation was computed. [2020-12-01 15:46:28,085 INFO L258 CegarLoopResult]: At program point L656(lines 1 921) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-01 15:46:28,085 INFO L258 CegarLoopResult]: At program point L689-1(lines 689 695) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:28,085 INFO L258 CegarLoopResult]: At program point L725(lines 678 726) the Hoare annotation is: false [2020-12-01 15:46:28,085 INFO L262 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-12-01 15:46:28,086 INFO L265 CegarLoopResult]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2020-12-01 15:46:28,086 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:46:28,086 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:46:28,086 INFO L258 CegarLoopResult]: At program point L629(lines 624 632) the Hoare annotation is: false [2020-12-01 15:46:28,086 INFO L258 CegarLoopResult]: At program point L629-1(lines 624 632) the Hoare annotation is: false [2020-12-01 15:46:28,086 INFO L262 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-12-01 15:46:28,087 INFO L258 CegarLoopResult]: At program point L629-2(lines 624 632) the Hoare annotation is: false [2020-12-01 15:46:28,087 INFO L258 CegarLoopResult]: At program point L629-3(lines 624 632) the Hoare annotation is: false [2020-12-01 15:46:28,087 INFO L258 CegarLoopResult]: At program point L629-4(lines 624 632) the Hoare annotation is: false [2020-12-01 15:46:28,087 INFO L258 CegarLoopResult]: At program point L629-5(lines 624 632) the Hoare annotation is: false [2020-12-01 15:46:28,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:46:28 BoogieIcfgContainer [2020-12-01 15:46:28,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:46:28,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:46:28,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:46:28,130 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:46:28,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:25" (3/4) ... [2020-12-01 15:46:28,141 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:46:28,168 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-01 15:46:28,171 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 15:46:28,172 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 15:46:28,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 15:46:28,174 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 15:46:28,176 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:46:28,177 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:46:28,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-01 15:46:28,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-01 15:46:28,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:46:28,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:46:28,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:46:28,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:46:28,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:46:28,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:46:28,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:46:28,321 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_abd00a38-0aec-467b-a8bb-498bcd951df5/bin/uautomizer/witness.graphml [2020-12-01 15:46:28,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:46:28,323 INFO L168 Benchmark]: Toolchain (without parser) took 4439.79 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 72.2 MB in the beginning and 48.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:28,324 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory was 56.9 MB in the beginning and 56.8 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:46:28,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.58 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 68.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:28,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.15 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 64.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:28,326 INFO L168 Benchmark]: Boogie Preprocessor took 101.00 ms. Allocated memory is still 100.7 MB. Free memory was 64.5 MB in the beginning and 62.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:28,326 INFO L168 Benchmark]: RCFGBuilder took 1134.86 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 62.0 MB in the beginning and 96.4 MB in the end (delta: -34.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:28,327 INFO L168 Benchmark]: TraceAbstraction took 2241.03 ms. Allocated memory is still 121.6 MB. Free memory was 96.4 MB in the beginning and 58.2 MB in the end (delta: 38.2 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:28,327 INFO L168 Benchmark]: Witness Printer took 191.40 ms. Allocated memory is still 121.6 MB. Free memory was 58.2 MB in the beginning and 48.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:28,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory was 56.9 MB in the beginning and 56.8 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.58 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 68.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 150.15 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 64.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.00 ms. Allocated memory is still 100.7 MB. Free memory was 64.5 MB in the beginning and 62.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1134.86 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 62.0 MB in the beginning and 96.4 MB in the end (delta: -34.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2241.03 ms. Allocated memory is still 121.6 MB. Free memory was 96.4 MB in the beginning and 58.2 MB in the end (delta: 38.2 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. * Witness Printer took 191.40 ms. Allocated memory is still 121.6 MB. Free memory was 58.2 MB in the beginning and 48.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 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: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 519 SDslu, 334 SDs, 0 SdLazy, 63 SolverSat, 12 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 186 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1454 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 84 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4976 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...